Exemplo n.º 1
0
def changeStorageEngines(cat):
    new_engine = Workbench.input(
        'Type the new storage engine name for all tables in your model:')

    if not new_engine:
        return 1

    def getTableEngines():
        result = grt.root.wb.options.options[
            '@db.mysql.Table:tableEngine/Items']
        items = [item.strip(' \t') for item in result.split(',')]
        return items

    # validate the engine name and fix its case
    engines = getTableEngines()
    engine_found = False
    for engine_name in engines:
        if engine_name.find(':') != -1:
            engine_name = engine_name[engine_name.find(':') + 1:]
        if new_engine.lower() == engine_name.lower():
            engine_found = True
            new_engine = engine_name

    if not engine_found:
        Workbench.confirm('Change Storage Engines',
                          'Invalid storage engine name: ' + new_engine)
        return 2

    for schema in cat.schemata:
        for tbl in schema.tables:
            tbl.tableEngine = new_engine

    return 0
Exemplo n.º 2
0
def changeStorageEngines(cat):
     ret, new_engine = mforms.Utilities.request_input("Change the Storage Engine of All Tables", "Type the new storage engine name:", "")
     
     if not ret:
         return 1
 
     def getTableEngines():
        result = grt.root.wb.options.options['@db.mysql.Table:tableEngine/Items']
        items = [item.strip(' \t') for item in result.split(',')]
        return items

     # validate the engine name and fix its case
     engines = getTableEngines()
     engine_found = False
     for engine_name in engines:
        if engine_name.find(':') != -1:
            engine_name = engine_name[engine_name.find(':') + 1:]
        if new_engine.lower() == engine_name.lower():
            engine_found = True
            new_engine = engine_name

     if not engine_found:
        Workbench.confirm('Change Storage Engines', 'Invalid storage engine name: ' + new_engine)
        return 2

     for schema in cat.schemata:
         for tbl in schema.tables:
            tbl.tableEngine = new_engine
            
     return 0
def generate_laravel5_migration(cat):
    def create_tree(table_schema):
        tree = {}
        for tbl in sorted(table_schema.tables, key=lambda table: table.name):
            table_references = []

            for key in tbl.foreignKeys:
                if key.name != '' and tbl.name != key.referencedColumns[
                        0].owner.name and hasattr(key, 'referencedColumns'):
                    table_references.append(
                        key.referencedColumns[0].owner.name)

            tree[tbl.name] = table_references

        d = dict((k, set(tree[k])) for k in tree)
        r = []
        while d:
            # values not in keys (items without dep)
            t = set(i for v in d.values() for i in v) - set(d.keys())
            # and keys without value (items without dep)
            t.update(k for k, v in d.items() if not v)
            # can be done right away
            r.append(t)
            # and cleaned up
            d = dict(((k, v - t) for k, v in d.items() if v))
        return r

    def export_schema(table_schema, tree):
        if len(table_schema.tables) == 0:
            return

        foreign_keys = {}
        global migration_tables
        global migrations
        tables = sorted(table_schema.tables, key=lambda table: table.name)
        ti = 0

        for reference_tables in tree:
            for reference in reference_tables:
                for tbl in tables:

                    if tbl.name != reference:
                        continue

                    table_name = tbl.name
                    table_engine = tbl.tableEngine
                    components = table_name.split('_')

                    migration_tables.append(table_name)
                    migrations[ti] = []

                    migrations[ti].append(
                        migrationTemplate.format(tableNameCamelCase=("".join(
                            x.title() for x in components[0:])),
                                                 tableName=table_name))

                    migrations[ti].append(
                        "            $table->engine = '{tableEngine}';\n".
                        format(tableEngine=table_engine))

                    created_at = created_at_nullable \
                        = updated_at \
                        = updated_at_nullable \
                        = deleted_at \
                        = timestamps \
                        = timestamps_nullable = False

                    for col in tbl.columns:
                        if col.name == 'created_at':
                            created_at = True
                            if col.isNotNull != 1:
                                created_at_nullable = True
                        elif col.name == 'updated_at':
                            updated_at = True
                            if col.isNotNull != 1:
                                updated_at_nullable = True

                    if created_at is True and updated_at is True and created_at_nullable is True:
                        if updated_at_nullable is True:
                            timestamps_nullable = True
                        elif created_at is True and updated_at is True:
                            timestamps = True
                    elif created_at is True and updated_at is True:
                        timestamps = True

                    primary_key = [
                        col for col in tbl.indices if col.isPrimary == 1
                    ]
                    primary_key = primary_key[0] if len(
                        primary_key) > 0 else None

                    if hasattr(primary_key, 'columns'):
                        primary_col = primary_key.columns[0].referencedColumn
                    else:
                        primary_col = None

                    default_time_values = [
                        'CURRENT_TIMESTAMP',
                        'NULL ON UPDATE CURRENT_TIMESTAMP',
                        'CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP'
                    ]

                    for col in tbl.columns:
                        if (col.name == 'created_at'
                                or col.name == 'updated_at') and (
                                    timestamps is True
                                    or timestamps_nullable is True):
                            continue

                        if col.name == 'deleted_at':
                            deleted_at = True
                            continue

                        if col.simpleType:
                            col_type = col.simpleType.name
                        else:
                            col_type = col.userType.name

                        if col == primary_col:
                            if col_type == "BIGINT":
                                col_type = "BIG_INCREMENTS"
                            elif col_type == "MEDIUMINT":
                                col_type = "MEDIUM_INCREMENTS"
                            elif col_type == "CHAR" and col.length == 36:
                                col_type = "UUID"
                            else:
                                col_type = "INCREMENTS"

                        if (col_type == 'BIGINT' or col_type == 'INT'
                                or col_type == 'TINYINT'
                                or col_type == 'MEDIUMINT' or col_type
                                == 'SMALLINT') and 'UNSIGNED' in col.flags:
                            col_type = "u" + col_type

                        col_data = '\''

                        # Continue if type is not in dictionary
                        if col_type not in typesDict:
                            continue

                        if typesDict[col_type] == 'char':
                            if col.length > -1:
                                col_data = '\', %s' % (str(col.length))
                        elif typesDict[col_type] == 'decimal':
                            if col.precision > -1 and col.scale > -1:
                                col_data = '\', %s, %s' % (str(
                                    col.precision), str(col.scale))
                        elif typesDict[col_type] == 'double':
                            if col.precision > -1 and col.length > -1:
                                col_data = '\', %s, %s' % (str(
                                    col.length), str(col.precision))
                        elif typesDict[col_type] == 'enum':
                            col_data = '\', [%s]' % (
                                col.datatypeExplicitParams[1:-1])
                        elif typesDict[col_type] == 'string':
                            if col.length > -1 and col.length < 255:
                                col_data = '\', %s' % (str(col.length))
                            else:
                                col_data = '\''

                        if col.name == 'remember_token' and typesDict[
                                col_type] == 'string' and str(
                                    col.length) == 100:
                            migrations[ti].append(
                                '            $table->rememberToken();\n')
                        elif typesDict[col_type]:
                            migrations[ti].append(
                                '            $table->%s(\'%s%s)' %
                                (typesDict[col_type], col.name, col_data))

                            if typesDict[
                                    col_type] == 'integer' and 'UNSIGNED' in col.flags:
                                migrations[ti].append('->unsigned()')

                            if col.isNotNull != 1:
                                migrations[ti].append('->nullable()')

                            if col.defaultValue != '' and col.defaultValueIsNull != 0:
                                migrations[ti].append('->default(null)')
                            elif col.defaultValue != '':
                                default_value = col.defaultValue.replace(
                                    "'", "")

                                if default_value in default_time_values:
                                    migrations[ti].append(
                                        "->default(DB::raw('{}'))".format(
                                            default_value))
                                else:
                                    migrations[ti].append(
                                        "->default('{}')".format(
                                            default_value))

                            if col.comment != '':
                                migrations[ti].append(
                                    "->comment('{comment}')".format(
                                        comment=col.comment))

                            migrations[ti].append(';\n')

                        if col.name == 'id' and typesDict[col_type] == 'uuid':
                            migrations[ti].append(
                                '            $table->primary(\'id\');\n')

                    # Generate indexes
                    indexes = {"primary": [], "unique": [], "index": []}
                    for col in tbl.indices:
                        for index in col.columns:
                            index_type = index.owner.indexType.lower()
                            key = index.referencedColumn.name

                            if (col != primary_col and index_type != "primary"
                                ) and index_type != "index":
                                indexes[index_type].append(key)

                    for index_type in indexes:
                        if len(indexes[index_type]) != 0:
                            index_key_template = indexKeyTemplate.format(
                                indexType=index_type,
                                keys=", ".join([
                                    '"{}"'.format(value)
                                    for value in indexes[index_type]
                                ]),
                                tableName=table_name)
                            migrations[ti].append(index_key_template)

                    if deleted_at is True:
                        migrations[ti].append(
                            '            $table->softDeletes();\n')
                    if timestamps is True:
                        migrations[ti].append(
                            '            $table->timestamps();\n')
                    elif timestamps_nullable is True:
                        migrations[ti].append(
                            '            $table->nullableTimestamps();\n')

                    first_foreign_created = False

                    for key in tbl.foreignKeys:
                        if key.name != '' and hasattr(key.index, 'name'):
                            index_name = key.index.name
                            foreign_key = key.columns[0].name

                            if index_name == 'PRIMARY':
                                index_name = tbl.name + "_" + key.columns[
                                    0].name

                            if key.referencedColumns[
                                    0].owner.name in migration_tables:

                                if not first_foreign_created:
                                    migrations[ti].append('\n')
                                    first_foreign_created = True

                                migrations[ti].append(
                                    foreignKeyTemplate.format(
                                        foreignKey=foreign_key,
                                        foreignKeyName=index_name,
                                        tableKeyName=key.referencedColumns[0].
                                        name,
                                        foreignTableName=key.
                                        referencedColumns[0].owner.name,
                                        onDeleteAction=key.deleteRule.lower(),
                                        onUpdateAction=key.updateRule.lower()))

                            else:
                                if key.referencedColumns[
                                        0].owner.name not in foreign_keys:
                                    foreign_keys[key.referencedColumns[0].
                                                 owner.name] = []

                                foreign_keys[key.referencedColumns[
                                    0].owner.name].append({
                                        'table':
                                        key.columns[0].owner.name,
                                        'key':
                                        foreign_key,
                                        'name':
                                        index_name,
                                        'referenced_table':
                                        key.referencedColumns[0].owner.name,
                                        'referenced_name':
                                        key.referencedColumns[0].name,
                                        'update_rule':
                                        key.updateRule,
                                        'delete_rule':
                                        key.deleteRule
                                    })

                    migrations[ti].append("        });\n")

                    for key, val in foreign_keys.iteritems():
                        if key == tbl.name:
                            keyed_tables = []
                            schema_table = 0
                            for item in val:
                                if item['table'] not in keyed_tables:
                                    keyed_tables.append(item['table'])
                                    foreign_table_name = item['table']

                                    if schema_table == 0:
                                        migrations[ti].append('\n')
                                        migrations[ti].append(
                                            schemaCreateTemplate.format(
                                                tableName=item['table']))
                                        schema_table = 1
                                    elif foreign_table_name != item['table']:
                                        migrations[ti].append("        });\n")
                                        migrations[ti].append('\n')
                                        migrations[ti].append(
                                            schemaCreateTemplate.format(
                                                tableName=item['table']))
                                    migrations[ti].append(
                                        foreignKeyTemplate.format(
                                            foreignKey=item['key'],
                                            foreignKeyName=item['name'],
                                            tableKeyName=item[
                                                'referenced_name'],
                                            foreignTableName=item[
                                                'referenced_table'],
                                            onDeleteAction=item['delete_rule'].
                                            lower(),
                                            onUpdateAction=item['update_rule'].
                                            lower()))

                            if schema_table == 1:
                                migrations[ti].append("        });\n")
                                migrations[ti].append('\n')

                    migrations[ti].append('    }\n')

                    ##########
                    # Reverse
                    ##########

                    migrations[ti].append(migrationDownTemplate)
                    migrations[ti].append(
                        migrationEndingTemplate.format(tableName=table_name))
                    ti += 1

        return migrations

    out = cStringIO.StringIO()

    try:
        for schema in [(s, s.name == 'main') for s in cat.schemata]:
            table_tree = create_tree(schema[0])
            migrations = export_schema(schema[0], table_tree)

    except GenerateLaravel5MigrationError as e:
        Workbench.confirm(e.typ, e.message)
        return 1

    now = datetime.datetime.now()
    for name in sorted(migrations):
        save_format = '{year}_{month}_{day}_{number}_create_{tableName}_table.php'.format(
            year=now.strftime('%Y'),
            month=now.strftime('%m'),
            day=now.strftime('%d'),
            number="".zfill(6),
            tableName=migration_tables[name])
        out.write('Table name: {0}  Migration File: {1}\n\n'.format(
            migration_tables[name], save_format))
        out.write(''.join(migrations[name]))
        out.write('\n\n\n'.format(name))

    sql_text = out.getvalue()
    out.close()

    wizard = GenerateLaravel5MigrationWizard(sql_text)
    wizard.run()

    return 0
Exemplo n.º 4
0
    def validate_for_sqlite_export(cat):
        """Check uniqueness of schema, table and index names. Return 0 on
        success otherwise return 1 (the export process should abort)
        """

        have_errors = False
        idt = {}
        for i, schema in enumerate(cat.schemata):
            if schema.name in idt:
                have_errors = True
                if Workbench.confirm(
                        'Name conflict',
                        'Schemas %d and %d have the same name "%s".'
                        ' Please rename one of them.\n'
                        'Search for more such errors?' %
                    (idt[schema.name], i, schema.name)) == 0:
                    return False
            else:
                idt[schema.name] = i

        # Do not continue looking for errors on schema name error
        if have_errors:
            return False

        for schema in cat.schemata:
            idt = {}
            for i, tbl in enumerate(schema.tables):
                if tbl.name == '':
                    have_errors = True
                    if Workbench.confirm(
                            'Name conflict',
                            'Table %d in schema "%s". has no name.'
                            ' Please rename.\n'
                            'Search for more such errors?' %
                        (i, schema.name)) == 0:
                        return False
                if tbl.name in idt:
                    have_errors = True
                    if Workbench.confirm(
                            'Name conflict', 'Tables %d and %d in schema "%s"'
                            ' have the same name "%s".'
                            ' Please rename one of them.\n'
                            'Search for more such errors?' %
                        (idt[tbl.name], i, schema.name, tbl.name)) == 0:
                        return False
                else:
                    idt[tbl.name] = i

        if have_errors:
            return False

        for schema in cat.schemata:
            for tbl in schema.tables:
                idt = {}
                for i, column in enumerate(tbl.columns):
                    if column.name == '':
                        have_errors = True
                        if Workbench.confirm(
                                'Name conflict',
                                'Column %d in table "%s"."%s". has no name.'
                                ' Please rename.\n'
                                'Search for more such errors?' %
                            (i, schema.name, tbl.name)) == 0:
                            return False
                    if column.name in idt:
                        have_errors = True
                        if Workbench.confirm(
                                'Name conflict',
                                'Columns %d and %d in table "%s"."%s"'
                                ' have the same name "%s".'
                                ' Please rename one of them.\n'
                                'Search for more such errors?' %
                            (idt[column.name], i, schema.name, tbl.name,
                             column.name)) == 0:
                            return False
                    else:
                        idt[column.name] = i

                # Now check indices (except primary/unique)
                idt = {}
                for i, index in enumerate(tbl.indices):
                    if index.indexType == 'INDEX':
                        if index.name == '':
                            have_errors = True
                            if Workbench.confirm(
                                    'Name conflict',
                                    'Index %d in table "%s"."%s". has no name.'
                                    ' Please rename.\n'
                                    'Search for more such errors?' %
                                (i, schema.name, tbl.name)) == 0:
                                return False
                        if index.name in idt:
                            have_errors = True
                            if Workbench.confirm(
                                    'Name conflict',
                                    'Indices %d and %d in table "%s"."%s"'
                                    ' have the same name "%s".'
                                    ' Please rename one of them.\n'
                                    'Search for more such errors?' %
                                (idt[index.name], i, schema.name, tbl.name,
                                 column.name)) == 0:
                                return False
                        else:
                            idt[index.name] = i

        if have_errors:
            return False

        return True
Exemplo n.º 5
0
def exportSQLite(cat):
    """Function to go through all schemata in catalog and rename all FKs
    of table-objects
    """
    def validate_for_sqlite_export(cat):
        """Check uniqueness of schema, table and index names. Return 0 on
        success otherwise return 1 (the export process should abort)
        """

        have_errors = False
        idt = {}
        for i, schema in enumerate(cat.schemata):
            if schema.name in idt:
                have_errors = True
                if Workbench.confirm(
                        'Name conflict',
                        'Schemas %d and %d have the same name "%s".'
                        ' Please rename one of them.\n'
                        'Search for more such errors?' %
                    (idt[schema.name], i, schema.name)) == 0:
                    return False
            else:
                idt[schema.name] = i

        # Do not continue looking for errors on schema name error
        if have_errors:
            return False

        for schema in cat.schemata:
            idt = {}
            for i, tbl in enumerate(schema.tables):
                if tbl.name == '':
                    have_errors = True
                    if Workbench.confirm(
                            'Name conflict',
                            'Table %d in schema "%s". has no name.'
                            ' Please rename.\n'
                            'Search for more such errors?' %
                        (i, schema.name)) == 0:
                        return False
                if tbl.name in idt:
                    have_errors = True
                    if Workbench.confirm(
                            'Name conflict', 'Tables %d and %d in schema "%s"'
                            ' have the same name "%s".'
                            ' Please rename one of them.\n'
                            'Search for more such errors?' %
                        (idt[tbl.name], i, schema.name, tbl.name)) == 0:
                        return False
                else:
                    idt[tbl.name] = i

        if have_errors:
            return False

        for schema in cat.schemata:
            for tbl in schema.tables:
                idt = {}
                for i, column in enumerate(tbl.columns):
                    if column.name == '':
                        have_errors = True
                        if Workbench.confirm(
                                'Name conflict',
                                'Column %d in table "%s"."%s". has no name.'
                                ' Please rename.\n'
                                'Search for more such errors?' %
                            (i, schema.name, tbl.name)) == 0:
                            return False
                    if column.name in idt:
                        have_errors = True
                        if Workbench.confirm(
                                'Name conflict',
                                'Columns %d and %d in table "%s"."%s"'
                                ' have the same name "%s".'
                                ' Please rename one of them.\n'
                                'Search for more such errors?' %
                            (idt[column.name], i, schema.name, tbl.name,
                             column.name)) == 0:
                            return False
                    else:
                        idt[column.name] = i

                # Now check indices (except primary/unique)
                idt = {}
                for i, index in enumerate(tbl.indices):
                    if index.indexType == 'INDEX':
                        if index.name == '':
                            have_errors = True
                            if Workbench.confirm(
                                    'Name conflict',
                                    'Index %d in table "%s"."%s". has no name.'
                                    ' Please rename.\n'
                                    'Search for more such errors?' %
                                (i, schema.name, tbl.name)) == 0:
                                return False
                        if index.name in idt:
                            have_errors = True
                            if Workbench.confirm(
                                    'Name conflict',
                                    'Indices %d and %d in table "%s"."%s"'
                                    ' have the same name "%s".'
                                    ' Please rename one of them.\n'
                                    'Search for more such errors?' %
                                (idt[index.name], i, schema.name, tbl.name,
                                 column.name)) == 0:
                                return False
                        else:
                            idt[index.name] = i

        if have_errors:
            return False

        return True

    def is_deferred(fkey):
        # Hack: if comment starts with "Defer..." we make it a deferred FK could
        # use member 'deferability' (WB has it), but there is no GUI for it
        return fkey.comment.lstrip().lower()[0:5] == 'defer'

    def export_table(out, db_name, schema, tbl):
        if len(tbl.columns) == 0:
            return

        out.write('CREATE TABLE %s%s(\n%s' %
                  (db_name, dq(tbl.name), schema_comment_format(tbl.comment)))

        primary_key = [i for i in tbl.indices if i.isPrimary == 1]
        primary_key = primary_key[0] if len(primary_key) > 0 else None

        pk_column = None
        if primary_key and len(primary_key.columns) == 1:
            pk_column = primary_key.columns[0].referencedColumn

        col_comment = ''
        for i, column in enumerate(tbl.columns):
            check, sqlite_type, flags = '', None, None
            if column.simpleType:
                sqlite_type = column.simpleType.name
                flags = column.simpleType.flags
            else:
                sqlite_type = column.userType.name
                flags = column.flags
            length = column.length
            # For INTEGER PRIMARY KEY column to become an alias for the rowid
            # the type needs to be "INTEGER" not "INT"
            # we fix it for other columns as well
            if 'INT' in sqlite_type or sqlite_type == 'LONG':
                sqlite_type = 'INTEGER'
                length = -1
                # Check flags for "unsigned"
                if 'UNSIGNED' in column.flags:
                    check = dq(column.name) + '>=0'
            # We even implement ENUM (because we can)
            if sqlite_type == 'ENUM':
                sqlite_type = 'TEXT'
                if column.datatypeExplicitParams:
                    check = (dq(column.name) + ' IN' +
                             column.datatypeExplicitParams)
            if i > 0:
                out.write(',' + comment_format(col_comment) + '\n')
            out.write('  ' + dq(column.name))
            # Type is optional in SQLite
            if sqlite_type != '':
                out.write(' ' + sqlite_type)
            # For [VAR]CHAR and such types specify length even though this is
            # not used in SQLite
            if length > 0:
                out.write('(%d)' % length)

            # Must specify single-column PKs as column-constraints for AI/rowid
            # behaviour
            if column == pk_column:
                out.write(' PRIMARY KEY')
                if primary_key.columns[0].descend == 1:
                    out.write(' DESC')
                # Only PK columns can be AI in SQLite
                if column.autoIncrement == 1:
                    out.write(' AUTOINCREMENT')
            # Check for NotNull
            if column.isNotNull == 1:
                out.write(' NOT NULL')

            if check != '':
                out.write(' CHECK(' + check + ')')

            if column.defaultValue != '':
                out.write(' DEFAULT ' + column.defaultValue)

            col_comment = column.comment

        # For multicolumn PKs
        if primary_key and not pk_column:
            out.write(',%s\n  PRIMARY KEY(%s)' %
                      (comment_format(col_comment),
                       print_index_columns(primary_key)))
            col_comment = ''

        # Put non-primary, UNIQUE Keys in CREATE TABLE as well (because we can)
        for index in tbl.indices:
            if index != primary_key and index.indexType == 'UNIQUE':
                out.write(',%s\n' % comment_format(col_comment))
                col_comment = ''
                if index.name != '':
                    out.write('  CONSTRAINT %s\n  ' % dq(index.name))
                out.write('  UNIQUE(%s)' % print_index_columns(index))

        for fkey in tbl.foreignKeys:
            have_fkeys = 1
            out.write(',%s\n' % comment_format(col_comment))
            col_comment = ''
            if fkey.name != '':
                out.write('  CONSTRAINT %s\n  ' % dq(fkey.name))
            out.write('  FOREIGN KEY(%s)\n' % print_fk_columns(fkey.columns))
            out.write('    REFERENCES %s(%s)' %
                      (dq(fkey.referencedTable.name),
                       print_fk_columns(fkey.referencedColumns)))
            if fkey.deleteRule in ['RESTRICT', 'CASCADE', 'SET NULL']:
                out.write('\n    ON DELETE ' + fkey.deleteRule)
            if fkey.updateRule in ['RESTRICT', 'CASCADE', 'SET NULL']:
                out.write('\n    ON UPDATE ' + fkey.updateRule)
            if is_deferred(fkey):
                out.write(' DEFERRABLE INITIALLY DEFERRED')

        out.write(comment_format(col_comment) + '\n);\n')

        # CREATE INDEX statements for all non-primary, non-unique, non-foreign
        # indexes
        for i, index in enumerate(tbl.indices):
            if index.indexType == 'INDEX':
                index_name = tbl.name + '.' + index.name
                if index.name == '':
                    index_name = tbl.name + '.index' + i
                out.write('CREATE INDEX %s%s ON %s (%s);\n' %
                          (db_name, dq(index_name), dq(
                              tbl.name), print_index_columns(index)))

        # Write the INSERTS (currently always)
        for insert in tbl.inserts().splitlines():
            columns_values = ''
            insert_start = 'insert into `%s`.`%s` (' % (schema.name, tbl.name)
            if insert[0:len(insert_start)].lower() == insert_start.lower():
                columns_values = insert[len(insert_start):]
            else:
                raise ExportSQLiteError('Error',
                                        'Unrecognized command in insert')
            last_column = 0
            for i, column in enumerate(tbl.columns):
                column_name = '`' + column.name + '`'
                if columns_values[0:len(column_name)] == column_name:
                    columns_values = columns_values[len(column_name):]
                    if columns_values[0:1] == ')':
                        columns_values = columns_values[1:]
                        last_column = i
                        break
                    else:
                        if columns_values[0:2] == ', ':
                            columns_values = columns_values[2:]
                        else:
                            raise ExportSQLiteError(
                                'Error',
                                'Unrecognized character in column list')
                else:
                    raise ExportSQLiteError('Error',
                                            'Unrecognized column in inserts')

            out.write('INSERT OR REPLACE INTO %s(' % dq(tbl.name))
            for i in range(last_column + 1):
                if i > 0:
                    out.write(',')
                out.write(dq(tbl.columns[i].name))

            if columns_values[0:9].lower() != ' values (':
                raise ExportSQLiteError('Error', 'Unrecognized SQL in insert')
            columns_values = columns_values[9:]

            out.write(') VALUES(')
            out.write(columns_values.replace("\\'", "''"))
            out.write('\n')

    def order_tables(out, db_name, schema, unordered, respect_deferredness):
        have_ordered = False
        while not have_ordered:
            if len(unordered) == 0:
                have_ordered = True
            for tbl in unordered.values():
                has_forward_reference = False
                for fkey in tbl.foreignKeys:
                    if (fkey.referencedTable.name in unordered
                            and fkey.referencedTable.name != tbl.name and
                            not (respect_deferredness and is_deferred(fkey))):
                        has_forward_reference = True
                        break
                if not has_forward_reference:
                    export_table(out, db_name, schema, tbl)
                    del unordered[tbl.name]
                    have_ordered = True

    def export_schema(out, schema, is_main_schema):
        if len(schema.tables) == 0:
            return

        out.write('\n-- Schema: %s\n' % schema.name)
        out.write(schema_comment_format(schema.comment))

        db_name = ''
        if not is_main_schema:
            db_name = dq(schema.name) + '.'
            out.write('ATTACH "%s" AS %s;\n' %
                      (safe_file_name(schema.name + '.sdb'), dq(schema.name)))
        out.write('BEGIN;\n')

        # Find a valid table order for inserts from FK constraints
        unordered = {t.name: t for t in schema.tables}

        # Try treating deferred keys like non-deferred keys first for ordering
        order_tables(out, db_name, schema, unordered, False)
        # Now try harder (leave out deferred keys from determining an order)
        order_tables(out, db_name, schema, unordered, True)

        # Loop through all remaining tables, if any. Have circular FK refs.
        # How to handle?
        for tbl in unordered.values():
            export_table(out, db_name, schema, tbl)

        out.write('COMMIT;\n')

    def print_index_columns(index):
        s = ''
        for i, column in enumerate(index.columns):
            if i > 0:
                s += ','
            s += dq(column.referencedColumn.name)
            if column.descend == 1:
                s += ' DESC'
        return s

    def print_fk_columns(columns):
        s = ''
        for i, column in enumerate(columns):
            if i > 0:
                s += ','
            s += dq(column.name)
        return s

    def dq(ident):
        """Double quote identifer, replacing " by "" """
        return '"' + re.sub(r'"', '""', ident) + '"'

    def safe_file_name(ident):
        """Create safe filename from identifer"""
        def repl(c):
            return ["%%%02x" % c for c in bytearray(c, 'ascii')]

        return re.sub(r'[/\:*?"<>|%]', repl, ident)

    def info_format(header, body):
        """Format a info field as SQL comment"""
        body = body.strip()
        if body == '':
            return ''
        elif '\n' in body:
            # Multiline comment
            return '-- %s:\n--   %s\n' % (header, re.sub(
                r'\n', '\n--   ', body))
        else:
            # Single line
            return '-- %-14s %s\n' % (header + ':', body)

    def schema_comment_format(body):
        """Format a schema or table comment as SQL comment
        table comments to be stored in SQLite schema
        """
        body = body.strip()
        if body == '':
            return ''
        else:
            # Multiline comment
            return '--   %s\n' % re.sub(r'\n', '\n--   ', body)

    def comment_format(body):
        body = body.strip()
        if body == '':
            return ''
        elif '\n' in body:
            # Multiline comment
            return '\n--   %s' % re.sub(r'\n', '\n--   ', body)
        else:
            # Single line
            return '-- %s' % body

    if not validate_for_sqlite_export(cat):
        return 1

    out = StringIO.StringIO()
    out.write(
        info_format(
            'Creator', 'MySQL Workbench %d.%d.%d/ExportSQLite Plugin %s\n' %
            (grt.root.wb.info.version.majorNumber,
             grt.root.wb.info.version.minorNumber,
             grt.root.wb.info.version.releaseNumber, ModuleInfo.version)))
    out.write(info_format('Author', grt.root.wb.doc.info.author))
    out.write(info_format('Caption', grt.root.wb.doc.info.caption))
    out.write(info_format('Project', grt.root.wb.doc.info.project))
    out.write(info_format('Changed', grt.root.wb.doc.info.dateChanged))
    out.write(info_format('Created', grt.root.wb.doc.info.dateCreated))
    out.write(info_format('Description', grt.root.wb.doc.info.description))

    out.write('PRAGMA foreign_keys = OFF;\n')

    # Loop over all catalogs in schema, find main schema main schema is first
    # nonempty schema or nonempty schema named "main"
    try:
        for schema in [(s, s.name == 'main') for s in cat.schemata]:
            export_schema(out, schema[0], schema[1])
    except ExportSQLiteError as e:
        Workbench.confirm(e.typ, e.message)
        return 1

    sql_text = out.getvalue()
    out.close()

    wizard = ExportSQLiteWizard(sql_text)
    wizard.run()

    return 0
Exemplo n.º 6
0
def generateLaravel5Migration(cat):
    def create_tree(out, schema, is_main_schema):
        table_tree = {}
        for tbl in sorted(schema.tables, key=lambda table: table.name):
            table_references = []

            for fkey in tbl.foreignKeys:
                if fkey.name != '':
                    table_references.append(
                        fkey.referencedColumns[0].owner.name)

            table_tree[tbl.name] = table_references

        d = dict((k, set(table_tree[k])) for k in table_tree)
        r = []

        while d:
            # values not in keys (items without dep)
            t = set(i for v in d.values() for i in v) - set(d.keys())
            # and keys without value (items without dep)
            t.update(k for k, v in d.items() if not v)
            # can be done right away
            r.append(t)
            # and cleaned up
            d = dict(((k, v - t) for k, v in d.items() if v))

        return r

    def export_schema(out, schema, is_main_schema, table_tree):
        if len(schema.tables) == 0:
            return

        foreign_keys = {}
        global migration_tables
        global migrations
        tables = sorted(schema.tables, key=lambda table: table.name)
        ti = 0

        for reference_tables in table_tree:
            for reference in reference_tables:
                for tbl in tables:

                    if tbl.name != reference:
                        continue

                    table_name = tbl.name
                    components = table_name.split('_')

                    migration_tables.append(table_name)
                    migrations[ti] = []

                    migrations[ti].append(
                        migrationBegginingTemplate.format(
                            tableNameCamelCase=("".join(
                                x.title() for x in components[0:])),
                            tableName=table_name))

                    created_at = created_at_nullable \
                        = updated_at \
                        = updated_at_nullable \
                        = deleted_at \
                        = timestamps \
                        = timestamps_nullable = False

                    for col in tbl.columns:
                        if col.name == 'created_at':
                            created_at = True
                            if col.isNotNull != 1:
                                created_at_nullable = True
                        elif col.name == 'updated_at':
                            updated_at = True
                            if col.isNotNull != 1:
                                updated_at_nullable = True

                    if created_at is True and updated_at is True and created_at_nullable is True and updated_at_nullable is True:
                        timestamps_nullable = True
                    elif created_at is True and updated_at is True:
                        timestamps = True

                    pk_column = None
                    for col in tbl.columns:
                        if (col.name == 'created_at'
                                or col.name == 'updated_at') and (
                                    timestamps is True
                                    or timestamps_nullable is True):
                            continue

                        if col.name == 'deleted_at':
                            deleted_at = True
                            continue

                        if col.simpleType:
                            col_type = col.simpleType.name
                            col_flags = col.simpleType.flags
                        else:
                            col_type = col.userType.name
                            col_flags = col.flags

                        primary_key = [
                            i for i in tbl.indices if i.isPrimary == 1
                        ]
                        primary_key = primary_key[0] if len(
                            primary_key) > 0 else None

                        if primary_key and len(primary_key.columns) == 1:
                            pk_column = primary_key.columns[0].referencedColumn

                        if col == pk_column:
                            if col_type == 'BIGINT':
                                col_type = 'BIGINCREMENTS'
                            else:
                                col_type = 'INCREMENTS'

                        col_data = '\''
                        if typesDict[col_type] == 'char':
                            if col.length > -1:
                                col_data = '\', %s' % (str(col.length))
                        elif typesDict[col_type] == 'decimal':
                            if col.precision > -1 and col.scale > -1:
                                col_data = '\', %s, %s' % (str(
                                    col.precision), str(col.scale))
                        elif typesDict[col_type] == 'double':
                            if col.precision > -1 and col.length > -1:
                                col_data = '\', %s, %s' % (str(
                                    col.length), str(col.precision))
                        elif typesDict[col_type] == 'enum':
                            col_data = '\', [%s]' % (
                                col.datatypeExplicitParams[1:-1])
                        elif typesDict[col_type] == 'string':
                            if col.length > -1:
                                col_data = '\', %s' % (str(col.length))

                        if col.name == 'remember_token' and typesDict[
                                col_type] == 'string' and str(
                                    col.length) == 100:
                            migrations[ti].append(
                                '            $table->rememberToken();\n')
                        elif typesDict[col_type]:
                            migrations[ti].append(
                                '            $table->%s(\'%s%s)' %
                                (typesDict[col_type], col.name, col_data))
                            if typesDict[
                                    col_type] == 'integer' and 'UNSIGNED' in col.flags:
                                migrations[ti].append('->unsigned()')
                            if col.isNotNull != 1:
                                migrations[ti].append('->nullable()')
                            if col.defaultValue != '' and col.defaultValueIsNull != 0:
                                migrations[ti].append('->default(NULL)')
                            elif col.defaultValue != '':
                                migrations[ti].append('->default(%s)' %
                                                      col.defaultValue)
                            if col.comment != '':
                                migrations[ti].append('->comment(\'%s\')' %
                                                      col.comment)
                            migrations[ti].append(';\n')

                    if tbl.indices:
                        migrations[ti].append("            # Indexes\n")

                        for column in tbl.indices:
                            for index in column.columns:
                                index_type = index.owner.indexType.lower()
                                key = index.referencedColumn.name

                                # Do not add index for increments
                                if not column.isPrimary:

                                    index_key_template = "            $table->{indexType}('{key}');\n".format(
                                        indexType=index_type, key=key)
                                    migrations[ti].append(index_key_template)

                    if deleted_at is True:
                        migrations[ti].append(
                            '            $table->softDeletes();\n')
                    if timestamps is True:
                        migrations[ti].append(
                            '            $table->timestamps();\n')
                    elif timestamps_nullable is True:
                        migrations[ti].append(
                            '            $table->nullableTimestamps();\n')

                    first_foreign_created = False

                    for fkey in tbl.foreignKeys:
                        if fkey.name != '':
                            #mforms.Utilities.set_clipboard_text(fkey.name)
                            #index_name = fkey.index.name
                            index_name = fkey.index
                            foreign_key = fkey.columns[0].name

                            if index_name == 'PRIMARY':
                                index_name = tbl.name + "_" + fkey.columns[
                                    0].name

                            if fkey.referencedColumns[
                                    0].owner.name in migration_tables:
                                if not first_foreign_created:
                                    migrations[ti].append('\n')
                                    first_foreign_created = True

                                migrations[ti].append(
                                    foreignKeyTemplate.format(
                                        foreignKey=foreign_key,
                                        tableKeyName=fkey.referencedColumns[0].
                                        name,
                                        foreignTableName=fkey.
                                        referencedColumns[0].owner.name,
                                        onDeleteAction=fkey.deleteRule.lower(),
                                        onUpdateAction=fkey.updateRule.lower())
                                )

                            else:
                                if fkey.referencedColumns[
                                        0].owner.name not in foreign_keys:
                                    foreign_keys[fkey.referencedColumns[0].
                                                 owner.name] = []

                                foreign_keys[fkey.referencedColumns[
                                    0].owner.name].append({
                                        'table':
                                        fkey.columns[0].owner.name,
                                        'key':
                                        foreign_key,
                                        'referenced_table':
                                        fkey.referencedColumns[0].owner.name,
                                        'referenced_name':
                                        fkey.referencedColumns[0].name,
                                        'update_rule':
                                        fkey.updateRule,
                                        'delete_rule':
                                        fkey.deleteRule
                                    })

                    migrations[ti].append("        });\n")

                    for fkey, fval in foreign_keys.iteritems():
                        if fkey == tbl.name:
                            keyed_tables = []
                            schema_table = 0
                            for item in fval:
                                if item['table'] not in keyed_tables:
                                    keyed_tables.append(item['table'])
                                    if schema_table == 0:
                                        foreign_table_name = item['table']
                                        migrations[ti].append('\n')
                                        migrations[ti].append(
                                            schemaCreateTemplate.format(
                                                tableName=item['table']))
                                        schema_table = 1
                                    elif foreign_table_name != item['table']:
                                        foreign_table_name = item['table']
                                        migrations[ti].append("        });\n")
                                        migrations[ti].append('\n')
                                        migrations[ti].append(
                                            schemaCreateTemplate.format(
                                                tableName=item['table']))
                                    migrations[ti].append(
                                        foreignKeyTemplate.format(
                                            foreignKey=item['key'],
                                            tableKeyName=item[
                                                'referenced_name'],
                                            foreignTableName=item[
                                                'referenced_table'],
                                            onDeleteAction=item['delete_rule'].
                                            lower(),
                                            onUpdateAction=item['update_rule'].
                                            lower()))

                            if schema_table == 1:
                                migrations[ti].append("        });\n")
                                migrations[ti].append('\n')

                    migrations[ti].append('    }\n')

                    ##########
                    # Reverse
                    ##########

                    migrations[ti].append(migrationDownTemplate)
                    migrations[ti].append(
                        migrationEndingTemplate.format(tableName=table_name))
                    ti += 1

        return migrations

    out = cStringIO.StringIO()

    try:
        for schema in [(s, s.name == 'main') for s in cat.schemata]:
            table_tree = create_tree(out, schema[0], schema[1])
            migrations = export_schema(out, schema[0], schema[1], table_tree)

    except GenerateLaravel5MigrationError as e:
        Workbench.confirm(e.typ, e.message)
        return 1

    for name in sorted(migrations):
        out.write('Table name: {0}\n\n\n'.format(migration_tables[name]))
        out.write(''.join(migrations[name]))
        out.write('\n\n\n'.format(name))

    sql_text = out.getvalue()
    out.close()

    wizard = GenerateLaravel5MigrationWizard(sql_text)
    wizard.run()

    return 0
    def validate_for_sqlite_export(cat):
        """Check uniqueness of schema, table and index names. Return 0 on
        success otherwise return 1 (the export process should abort)
        """

        have_errors = False
        idt = {}
        for i, schema in enumerate(cat.schemata):
            if schema.name in idt:
                have_errors = True
                if Workbench.confirm('Name conflict',
                        'Schemas %d and %d have the same name "%s".'
                        ' Please rename one of them.\n'
                        'Search for more such errors?' % (
                            idt[schema.name], i, schema.name)) == 0:
                    return False
            else:
                idt[schema.name] = i

        # Do not continue looking for errors on schema name error
        if have_errors:
            return False

        for schema in cat.schemata:
            idt = {}
            for i, tbl in enumerate(schema.tables):
                if tbl.name == '':
                    have_errors = True
                    if Workbench.confirm('Name conflict',
                            'Table %d in schema "%s". has no name.'
                            ' Please rename.\n'
                            'Search for more such errors?' % (
                                i, schema.name)) == 0:
                        return False
                if tbl.name in idt:
                    have_errors = True
                    if Workbench.confirm('Name conflict',
                            'Tables %d and %d in schema "%s"'
                            ' have the same name "%s".'
                            ' Please rename one of them.\n'
                            'Search for more such errors?' % (
                                idt[tbl.name], i, schema.name, tbl.name)) == 0:
                        return False
                else:
                    idt[tbl.name] = i

        if have_errors:
            return False

        for schema in cat.schemata:
            for tbl in schema.tables:
                idt = {}
                for i, column in enumerate(tbl.columns):
                    if column.name == '':
                        have_errors = True
                        if Workbench.confirm('Name conflict',
                                'Column %d in table "%s"."%s". has no name.'
                                ' Please rename.\n'
                                'Search for more such errors?' % (
                                    i, schema.name, tbl.name)) == 0:
                            return False
                    if column.name in idt:
                        have_errors = True
                        if Workbench.confirm('Name conflict',
                                'Columns %d and %d in table "%s"."%s"'
                                ' have the same name "%s".'
                                ' Please rename one of them.\n'
                                'Search for more such errors?' % (
                                    idt[column.name],
                                    i,
                                    schema.name,
                                    tbl.name,
                                    column.name)) == 0:
                            return False
                    else:
                        idt[column.name] = i

                # Now check indices (except primary/unique)
                idt = {}
                for i, index in enumerate(tbl.indices):
                    if index.indexType == 'INDEX':
                        if index.name == '':
                            have_errors = True
                            if Workbench.confirm('Name conflict',
                                    'Index %d in table "%s"."%s". has no name.'
                                    ' Please rename.\n'
                                    'Search for more such errors?' % (
                                        i, schema.name, tbl.name)) == 0:
                                return False
                        if index.name in idt:
                            have_errors = True
                            if Workbench.confirm('Name conflict',
                                    'Indices %d and %d in table "%s"."%s"'
                                    ' have the same name "%s".'
                                    ' Please rename one of them.\n'
                                    'Search for more such errors?' % (
                                        idt[index.name],
                                        i,
                                        schema.name,
                                        tbl.name,
                                        column.name)) == 0:
                                return False
                        else:
                            idt[index.name] = i

        if have_errors:
            return False

        return True
def exportSQLite(cat):
    """Function to go through all schemata in catalog and rename all FKs
    of table-objects
    """

    def validate_for_sqlite_export(cat):
        """Check uniqueness of schema, table and index names. Return 0 on
        success otherwise return 1 (the export process should abort)
        """

        have_errors = False
        idt = {}
        for i, schema in enumerate(cat.schemata):
            if schema.name in idt:
                have_errors = True
                if Workbench.confirm('Name conflict',
                        'Schemas %d and %d have the same name "%s".'
                        ' Please rename one of them.\n'
                        'Search for more such errors?' % (
                            idt[schema.name], i, schema.name)) == 0:
                    return False
            else:
                idt[schema.name] = i

        # Do not continue looking for errors on schema name error
        if have_errors:
            return False

        for schema in cat.schemata:
            idt = {}
            for i, tbl in enumerate(schema.tables):
                if tbl.name == '':
                    have_errors = True
                    if Workbench.confirm('Name conflict',
                            'Table %d in schema "%s". has no name.'
                            ' Please rename.\n'
                            'Search for more such errors?' % (
                                i, schema.name)) == 0:
                        return False
                if tbl.name in idt:
                    have_errors = True
                    if Workbench.confirm('Name conflict',
                            'Tables %d and %d in schema "%s"'
                            ' have the same name "%s".'
                            ' Please rename one of them.\n'
                            'Search for more such errors?' % (
                                idt[tbl.name], i, schema.name, tbl.name)) == 0:
                        return False
                else:
                    idt[tbl.name] = i

        if have_errors:
            return False

        for schema in cat.schemata:
            for tbl in schema.tables:
                idt = {}
                for i, column in enumerate(tbl.columns):
                    if column.name == '':
                        have_errors = True
                        if Workbench.confirm('Name conflict',
                                'Column %d in table "%s"."%s". has no name.'
                                ' Please rename.\n'
                                'Search for more such errors?' % (
                                    i, schema.name, tbl.name)) == 0:
                            return False
                    if column.name in idt:
                        have_errors = True
                        if Workbench.confirm('Name conflict',
                                'Columns %d and %d in table "%s"."%s"'
                                ' have the same name "%s".'
                                ' Please rename one of them.\n'
                                'Search for more such errors?' % (
                                    idt[column.name],
                                    i,
                                    schema.name,
                                    tbl.name,
                                    column.name)) == 0:
                            return False
                    else:
                        idt[column.name] = i

                # Now check indices (except primary/unique)
                idt = {}
                for i, index in enumerate(tbl.indices):
                    if index.indexType == 'INDEX':
                        if index.name == '':
                            have_errors = True
                            if Workbench.confirm('Name conflict',
                                    'Index %d in table "%s"."%s". has no name.'
                                    ' Please rename.\n'
                                    'Search for more such errors?' % (
                                        i, schema.name, tbl.name)) == 0:
                                return False
                        if index.name in idt:
                            have_errors = True
                            if Workbench.confirm('Name conflict',
                                    'Indices %d and %d in table "%s"."%s"'
                                    ' have the same name "%s".'
                                    ' Please rename one of them.\n'
                                    'Search for more such errors?' % (
                                        idt[index.name],
                                        i,
                                        schema.name,
                                        tbl.name,
                                        column.name)) == 0:
                                return False
                        else:
                            idt[index.name] = i

        if have_errors:
            return False

        return True

    def is_deferred(fkey):
        # Hack: if comment starts with "Defer..." we make it a deferred FK could
        # use member 'deferability' (WB has it), but there is no GUI for it
        return fkey.comment.lstrip().lower()[0:5] == 'defer'

    def export_table(out, db_name, schema, tbl):
        if len(tbl.columns) == 0:
            return

        out.write('CREATE TABLE %s%s(\n%s' % (
                  db_name, dq(tbl.name), schema_comment_format(tbl.comment)))

        primary_key = [i for i in tbl.indices if i.isPrimary == 1]
        primary_key = primary_key[0] if len(primary_key) > 0 else None

        pk_column = None
        if primary_key and len(primary_key.columns) == 1:
            pk_column = primary_key.columns[0].referencedColumn

        col_comment = ''
        for i, column in enumerate(tbl.columns):
            check, sqlite_type, flags = '', None, None
            if column.simpleType:
                sqlite_type = column.simpleType.name
                flags = column.simpleType.flags
            else:
                sqlite_type = column.userType.name
                flags = column.flags
            length = column.length
            # For INTEGER PRIMARY KEY column to become an alias for the rowid
            # the type needs to be "INTEGER" not "INT"
            # we fix it for other columns as well
            if 'INT' in sqlite_type or sqlite_type == 'LONG':
                sqlite_type = 'INTEGER'
                length = -1
                # Check flags for "unsigned"
                if 'UNSIGNED' in column.flags:
                    check = dq(column.name) + '>=0'
            # We even implement ENUM (because we can)
            if sqlite_type == 'ENUM':
                sqlite_type = 'TEXT'
                if column.datatypeExplicitParams:
                    check = (dq(column.name) + ' IN' +
                             column.datatypeExplicitParams)
            if i > 0:
                out.write(',' + comment_format(col_comment) + '\n')
            out.write('  ' + dq(column.name))
            # Type is optional in SQLite
            if sqlite_type != '':
                out.write(' ' + sqlite_type)
            # For [VAR]CHAR and such types specify length even though this is
            # not used in SQLite
            if length > 0:
                out.write('(%d)' % length)

            # Must specify single-column PKs as column-constraints for AI/rowid
            # behaviour
            if column == pk_column:
                out.write(' PRIMARY KEY')
                if primary_key.columns[0].descend == 1:
                    out.write(' DESC')
                # Only PK columns can be AI in SQLite
                if column.autoIncrement == 1:
                    out.write(' AUTOINCREMENT')
            # Check for NotNull
            if column.isNotNull == 1:
                out.write(' NOT NULL')

            if check != '':
                out.write(' CHECK(' + check + ')')

            if column.defaultValue != '':
                out.write(' DEFAULT ' + column.defaultValue)

            col_comment = column.comment

        # For multicolumn PKs
        if primary_key and not pk_column:
            out.write(',%s\n  PRIMARY KEY(%s)' % (
                      comment_format(col_comment),
                      print_index_columns(primary_key)))
            col_comment = ''

        # Put non-primary, UNIQUE Keys in CREATE TABLE as well (because we can)
        for index in tbl.indices:
            if index != primary_key and index.indexType == 'UNIQUE':
                out.write(',%s\n' % comment_format(col_comment))
                col_comment = ''
                if index.name != '':
                    out.write('  CONSTRAINT %s\n  ' % dq(index.name))
                out.write('  UNIQUE(%s)' % print_index_columns(index))

        for fkey in tbl.foreignKeys:
            have_fkeys = 1
            out.write(',%s\n' % comment_format(col_comment))
            col_comment = ''
            if fkey.name != '':
                out.write('  CONSTRAINT %s\n  ' % dq(fkey.name))
            out.write('  FOREIGN KEY(%s)\n' % print_fk_columns(fkey.columns))
            out.write('    REFERENCES %s(%s)' % (
                      dq(fkey.referencedTable.name),
                      print_fk_columns(fkey.referencedColumns)))
            if fkey.deleteRule in ['RESTRICT', 'CASCADE', 'SET NULL']:
                out.write('\n    ON DELETE ' + fkey.deleteRule)
            if fkey.updateRule in ['RESTRICT', 'CASCADE', 'SET NULL']:
                out.write('\n    ON UPDATE ' + fkey.updateRule)
            if is_deferred(fkey):
                out.write(' DEFERRABLE INITIALLY DEFERRED')

        out.write(comment_format(col_comment) + '\n);\n')

        # CREATE INDEX statements for all non-primary, non-unique, non-foreign
        # indexes
        for i, index in enumerate(tbl.indices):
            if index.indexType == 'INDEX':
                index_name = tbl.name + '.' + index.name
                if index.name == '':
                    index_name = tbl.name + '.index' + i
                out.write('CREATE INDEX %s%s ON %s (%s);\n' % (
                          db_name,
                          dq(index_name),
                          dq(tbl.name),
                          print_index_columns(index)))

        # Write the INSERTS (currently always)
        for insert in tbl.inserts().splitlines():
            columns_values = ''
            insert_start = 'insert into `%s`.`%s` (' % (schema.name, tbl.name)
            if insert[0:len(insert_start)].lower() == insert_start.lower():
                columns_values = insert[len(insert_start):]
            else:
                raise ExportSQLiteError(
                        'Error', 'Unrecognized command in insert')
            last_column = 0
            for i, column in enumerate(tbl.columns):
                column_name = '`' + column.name + '`'
                if columns_values[0:len(column_name)] == column_name:
                    columns_values = columns_values[len(column_name):]
                    if columns_values[0:1] == ')':
                        columns_values = columns_values[1:]
                        last_column = i
                        break
                    else:
                        if columns_values[0:2] == ', ':
                            columns_values = columns_values[2:]
                        else:
                            raise ExportSQLiteError(
                                    'Error',
                                    'Unrecognized character in column list')
                else:
                    raise ExportSQLiteError(
                            'Error', 'Unrecognized column in inserts')

            out.write('INSERT INTO %s(' % dq(tbl.name))
            for i in range(last_column + 1):
                if i > 0:
                    out.write(',')
                out.write(dq(tbl.columns[i].name))

            if columns_values[0:9].lower() != ' values (':
                raise ExportSQLiteError(
                        'Error', 'Unrecognized SQL in insert')
            columns_values = columns_values[9:]

            out.write(') VALUES(')
            out.write(columns_values.replace("\\'", "''"))
            out.write('\n')

    def order_tables(out, db_name, schema, unordered, respect_deferredness):
        have_ordered = False
        while not have_ordered:
            if len(unordered) == 0:
                have_ordered = True
            for tbl in unordered.values():
                has_forward_reference = False
                for fkey in tbl.foreignKeys:
                    if (fkey.referencedTable.name in unordered and
                            fkey.referencedTable.name != tbl.name and not (
                                respect_deferredness and is_deferred(fkey))):
                        has_forward_reference = True
                        break
                if not has_forward_reference:
                    export_table(out, db_name, schema, tbl)
                    del unordered[tbl.name]
                    have_ordered = True

    def export_schema(out, schema, is_main_schema):
        if len(schema.tables) == 0:
            return

        out.write('\n-- Schema: %s\n' % schema.name)
        out.write(schema_comment_format(schema.comment))

        db_name = ''
        if not is_main_schema:
            db_name = dq(schema.name) + '.'
            out.write('ATTACH "%s" AS %s;\n' % (
                    safe_file_name(schema.name + '.sdb'),
                    dq(schema.name)))
        out.write('BEGIN;\n')

        # Find a valid table order for inserts from FK constraints
        unordered = {t.name: t for t in schema.tables}

        # Try treating deferred keys like non-deferred keys first for ordering
        order_tables(out, db_name, schema, unordered, False)
        # Now try harder (leave out deferred keys from determining an order)
        order_tables(out, db_name, schema, unordered, True)

        # Loop through all remaining tables, if any. Have circular FK refs.
        # How to handle?
        for tbl in unordered.values():
            export_table(out, db_name, schema, tbl)

        out.write('COMMIT;\n')

    def print_index_columns(index):
        s = ''
        for i, column in enumerate(index.columns):
            if i > 0:
                s += ','
            s += dq(column.referencedColumn.name)
            if column.descend == 1:
                s += ' DESC'
        return s

    def print_fk_columns(columns):
        s = ''
        for i, column in enumerate(columns):
            if i > 0:
                s += ','
            s += dq(column.name)
        return s

    def dq(ident):
        """Double quote identifer, replacing " by "" """
        return '"' + re.sub(r'"', '""', ident) + '"'

    def safe_file_name(ident):
        """Create safe filename from identifer"""

        def repl(c):
            return ["%%%02x" % c for c in bytearray(c, 'ascii')]

        return re.sub(r'[/\:*?"<>|%]', repl, ident)

    def info_format(header, body):
        """Format a info field as SQL comment"""
        body = body.strip()
        if body == '':
            return ''
        elif '\n' in body:
            # Multiline comment
            return '-- %s:\n--   %s\n' % (
                        header, re.sub(r'\n', '\n--   ', body))
        else:
            # Single line
            return '-- %-14s %s\n' % (header + ':', body)

    def schema_comment_format(body):
        """Format a schema or table comment as SQL comment
        table comments to be stored in SQLite schema
        """
        body = body.strip()
        if body == '':
            return ''
        else:
            # Multiline comment
            return '--   %s\n' % re.sub(r'\n', '\n--   ', body)

    def comment_format(body):
        body = body.strip()
        if body == '':
            return ''
        elif '\n' in body:
            # Multiline comment
            return '\n--   %s' % re.sub(r'\n', '\n--   ', body)
        else:
            # Single line
            return '-- %s' % body

    if not validate_for_sqlite_export(cat):
        return 1

    out = StringIO.StringIO()
    out.write(info_format(
                'Creator',
                'MySQL Workbench %d.%d.%d/ExportSQLite Plugin %s\n' % (
                    grt.root.wb.info.version.majorNumber,
                    grt.root.wb.info.version.minorNumber,
                    grt.root.wb.info.version.releaseNumber,
                    ModuleInfo.version)))
    out.write(info_format('Author', grt.root.wb.doc.info.author))
    out.write(info_format('Caption', grt.root.wb.doc.info.caption))
    out.write(info_format('Project', grt.root.wb.doc.info.project))
    out.write(info_format('Changed', grt.root.wb.doc.info.dateChanged))
    out.write(info_format('Created', grt.root.wb.doc.info.dateCreated))
    out.write(info_format('Description', grt.root.wb.doc.info.description))

    out.write('PRAGMA foreign_keys = OFF;\n')

    # Loop over all catalogs in schema, find main schema main schema is first
    # nonempty schema or nonempty schema named "main"
    try:
        for schema in [(s, s.name == 'main') for s in cat.schemata]:
            export_schema(out, schema[0], schema[1])
    except ExportSQLiteError as e:
        Workbench.confirm(e.typ, e.message)
        return 1

    sql_text = out.getvalue()
    out.close()

    wizard = ExportSQLiteWizard(sql_text)
    wizard.run()

    return 0
def generateLaravel5Migration(cat):
    def export_schema(out, schema, is_main_schema):
        if len(schema.tables) == 0:
            return

        foreign_keys = {}
        migration_tables = []
        global migrations

        for tbl in schema.tables:
            migration_tables.append(tbl.name)
            migrations[tbl.name] = []
            migrations[tbl.name].append('<?php\n')
            migrations[tbl.name].append('\n')
            migrations[tbl.name].append('use Illuminate\Database\Schema\Blueprint;\n')
            migrations[tbl.name].append('use Illuminate\Database\Migrations\Migration;\n')
            migrations[tbl.name].append('\n')
            components = tbl.name.split('_')
            migrations[tbl.name].append('class Create%sTable extends Migration\n' % ("".join(x.title() for x in components[0:])))
            migrations[tbl.name].append('{\n')
            migrations[tbl.name].append('    /**\n')
            migrations[tbl.name].append('     * Run the migrations.\n')
            migrations[tbl.name].append('     *\n')
            migrations[tbl.name].append('     * @return void\n')
            migrations[tbl.name].append('     */\n')
            migrations[tbl.name].append('    public function up()\n')
            migrations[tbl.name].append('    {\n')
            migrations[tbl.name].append('        Schema::create(\'%s\', function (Blueprint $table) {\n' % (tbl.name))

            created_at = created_at_nullable = updated_at = updated_at_nullable = deleted_at = timestamps = timestamps_nullable = False

            for col in tbl.columns:
                if col.name == 'created_at':
                    created_at = True
                    if col.isNotNull != 1:
                        created_at_nullable = True
                elif col.name == 'updated_at':
                    updated_at = True
                    if col.isNotNull != 1:
                        updated_at_nullable = True

            if created_at is True and updated_at is True and created_at_nullable is True and updated_at_nullable is True:
                timestamps_nullable = True
            elif created_at is True and updated_at is True:
                timestamps = True

            for col in tbl.columns:
                if (col.name == 'created_at' or col.name == 'updated_at') and (timestamps is True or timestamps_nullable is True):
                    continue
                if col.name == 'deleted_at':
                    deleted_at = True
                    continue

                if col.simpleType:
                    col_type = col.simpleType.name
                    col_flags = col.simpleType.flags
                else:
                    col_type = col.userType.name
                    col_flags = col.flags

                primary_key = [i for i in tbl.indices if i.isPrimary == 1]
                primary_key = primary_key[0] if len(primary_key) > 0 else None

                pk_column = None
                if primary_key and len(primary_key.columns) == 1:
                    pk_column = primary_key.columns[0].referencedColumn

                if col == pk_column:
                    if col_type == 'BIGINT':
                        col_type = 'BIGINCREMENTS'
                    else:
                        col_type = 'INCREMENTS'

                col_data = '\''
                if typesDict[col_type] == 'char':
                    if col.length > -1:
                        col_data = '\', %s' % (str(col.length))
                elif typesDict[col_type] == 'decimal':
                    if col.precision > -1 and col.scale > -1:
                        col_data = '\', %s, %s' % (str(col.precision), str(col.scale))
                elif typesDict[col_type] == 'double':
                    if col.precision > -1 and col.length > -1:
                        col_data = '\', %s, %s' % (str(col.length), str(col.precision))
                elif typesDict[col_type] == 'enum':
                    col_data = '\', [%s]' % (col.datatypeExplicitParams[1:-1])
                elif typesDict[col_type] == 'string':
                    if col.length > -1:
                        col_data = '\', %s' % (str(col.length))

                if col.name == 'remember_token' and typesDict[col_type] == 'string' and str(col.length) == 100:
                    migrations[tbl.name].append('            $table->rememberToken();\n')
                elif(typesDict[col_type]) :
                    migrations[tbl.name].append('            $table->%s(\'%s%s)' % (typesDict[col_type], col.name, col_data))
                    if typesDict[col_type] == 'integer' and 'UNSIGNED' in col.flags:
                        migrations[tbl.name].append('->unsigned()')
                    if col.isNotNull != 1:
                        migrations[tbl.name].append('->nullable()')
                    if col.defaultValue != '' and col.defaultValueIsNull != 0:
                        migrations[tbl.name].append('->default(NULL)')
                    elif col.defaultValue != '':
                        migrations[tbl.name].append('->default(%s)' % (col.defaultValue))
                    if col.comment != '':
                        migrations[tbl.name].append('->comment(\'%s\')' % (col.comment))
                    migrations[tbl.name].append(";")
                    migrations[tbl.name].append('\n')

            if deleted_at is True:
                migrations[tbl.name].append('            $table->softDeletes();\n')
            if timestamps is True:
                migrations[tbl.name].append('            $table->timestamps();\n')
            elif timestamps_nullable is True:
                migrations[tbl.name].append('            $table->nullableTimestamps();\n')

            first_foreign_created = 0
            for fkey in tbl.foreignKeys:
                if fkey.name != '':
                    if fkey.referencedColumns[0].owner.name in migration_tables:
                        if first_foreign_created == 0:
                            migrations[tbl.name].append('\n')
                            first_foreign_created = 1
                        migrations[tbl.name].append('            $table->foreign(\'%s\')->references(\'%s\')->on(\'%s\')->onDelete(\'%s\')->onUpdate(\'%s\');' % (fkey.columns[0].name, fkey.referencedColumns[0].name, fkey.referencedColumns[0].owner.name, fkey.deleteRule.lower(), fkey.updateRule.lower()))
                        migrations[tbl.name].append('\n')
                    else:
                        if fkey.referencedColumns[0].owner.name not in foreign_keys:
                            foreign_keys[fkey.referencedColumns[0].owner.name] = []
                        foreign_keys[fkey.referencedColumns[0].owner.name].append({'table':fkey.columns[0].owner.name, 'name':fkey.columns[0].name, 'referenced_table':fkey.referencedColumns[0].owner.name, 'referenced_name':fkey.referencedColumns[0].name, 'update_rule':fkey.updateRule, 'delete_rule':fkey.deleteRule})
            migrations[tbl.name].append("        });\n")
            for fkey, fval in foreign_keys.iteritems():
                if fkey == tbl.name:
                    keyed_tables = []
                    schema_table = 0
                    for item in fval:
                        if item['table'] not in keyed_tables:
                            keyed_tables.append(item['table'])
                            if schema_table == 0:
                                migrations[tbl.name].append('\n')
                                migrations[tbl.name].append('        Schema::table(\'%s\', function (Blueprint $table) {\n' % (item['table']))
                                schema_table = 1
                            migrations[tbl.name].append('            $table->foreign(\'%s\')->references(\'%s\')->on(\'%s\')->onDelete(\'%s\')->onUpdate(\'%s\');\n' % (item['name'], item['referenced_name'], item['referenced_table'], item['delete_rule'].lower(), item['update_rule'].lower()))
                    if schema_table == 1:
                        migrations[tbl.name].append("        });\n")
                        migrations[tbl.name].append('\n')

            migrations[tbl.name].append('    }\n')
            migrations[tbl.name].append('\n')
            migrations[tbl.name].append('    /**\n')
            migrations[tbl.name].append('     * Reverse the migrations.\n')
            migrations[tbl.name].append('     *\n')
            migrations[tbl.name].append('     * @return void\n')
            migrations[tbl.name].append('     */\n')
            migrations[tbl.name].append('    public function down()\n')
            migrations[tbl.name].append('    {\n')

            first_foreign_created = 0
            for fkey in tbl.foreignKeys:
                if fkey.name != '':
                    if fkey.referencedColumns[0].owner.name in migration_tables:
                        if first_foreign_created == 0:
                            migrations[tbl.name].append('        Schema::table(\'%s\', function (Blueprint $table) {\n' % (tbl.name))
                            first_foreign_created = 1
                        migrations[tbl.name].append('            $table->dropForeign([\'%s\']);\n' % (fkey.columns[0].name))
            if first_foreign_created == 1:
                migrations[tbl.name].append("        });\n")
                migrations[tbl.name].append('\n')

            for fkey, fval in foreign_keys.iteritems():
                if fkey == tbl.name:
                    keyed_tables = []
                    schema_table = 0
                    for item in fval:
                        if item['table'] not in keyed_tables:
                            keyed_tables.append(item['table'])
                            if schema_table == 0:
                                migrations[tbl.name].append('        Schema::table(\'%s\', function (Blueprint $table) {\n' % (item['table']))
                                schema_table = 1
                            migrations[tbl.name].append('            $table->dropForeign([\'%s\']);\n' % (item['name']))
                    if schema_table == 1:
                        migrations[tbl.name].append("        });\n")
                        migrations[tbl.name].append('\n')

            migrations[tbl.name].append('        Schema::drop(\'%s\');\n' % (tbl.name))
            migrations[tbl.name].append('    }\n')
            migrations[tbl.name].append('}')

        return migrations

    out = cStringIO.StringIO()

    try:
        for schema in [(s, s.name == 'main') for s in cat.schemata]:
            migrations = export_schema(out, schema[0], schema[1])
    except GenerateLaravel5MigrationError as e:
        Workbench.confirm(e.typ, e.message)
        return 1

    for mkey in sorted(migrations):
        out.write(''.join(migrations[mkey]))
        out.write('\n\n\n')

    sql_text = out.getvalue()
    out.close()

    wizard = GenerateLaravel5MigrationWizard(sql_text)
    wizard.run()

    return 0
Exemplo n.º 10
0
def generateLaravel5Migration(cat):
    def export_schema(out, schema, is_main_schema):
        if len(schema.tables) == 0:
            return

        foreign_keys = {}
        migration_tables = []
        global migrations

        for tbl in schema.tables:
            migration_tables.append(tbl.name)
            migrations[tbl.name] = []
            migrations[tbl.name].append('<?php\n')
            migrations[tbl.name].append('\n')
            migrations[tbl.name].append(
                'use Illuminate\Database\Schema\Blueprint;\n')
            migrations[tbl.name].append(
                'use Illuminate\Database\Migrations\Migration;\n')
            migrations[tbl.name].append('\n')
            components = tbl.name.split('_')
            migrations[tbl.name].append(
                'class Create%sTable extends Migration\n' %
                ("".join(x.title() for x in components[0:])))
            migrations[tbl.name].append('{\n')
            migrations[tbl.name].append('    /**\n')
            migrations[tbl.name].append('     * Run the migrations.\n')
            migrations[tbl.name].append('     *\n')
            migrations[tbl.name].append('     * @return void\n')
            migrations[tbl.name].append('     */\n')
            migrations[tbl.name].append('    public function up()\n')
            migrations[tbl.name].append('    {\n')
            migrations[tbl.name].append(
                '        Schema::create(\'%s\', function (Blueprint $table) {\n'
                % (tbl.name))

            for col in tbl.columns:
                if col.simpleType:
                    col_type = col.simpleType.name
                    col_flags = col.simpleType.flags
                else:
                    col_type = col.userType.name
                    col_flags = col.flags

                primary_key = [i for i in tbl.indices if i.isPrimary == 1]
                primary_key = primary_key[0] if len(primary_key) > 0 else None

                pk_column = None
                if primary_key and len(primary_key.columns) == 1:
                    pk_column = primary_key.columns[0].referencedColumn

                if col == pk_column:
                    if col_type == 'BIGINT':
                        col_type = 'BIGINCREMENTS'
                    else:
                        col_type = 'INCREMENTS'

                col_data = '\''
                if typesDict[col_type] == 'char':
                    if col.length > -1:
                        col_data = '\', %s' % (str(col.length))
                elif typesDict[col_type] == 'decimal':
                    if col.precision > -1 and col.scale > -1:
                        col_data = '\', %s, %s' % (str(
                            col.precision), str(col.scale))
                elif typesDict[col_type] == 'double':
                    if col.precision > -1 and col.length > -1:
                        col_data = '\', %s, %s' % (str(
                            col.length), str(col.precision))
                elif typesDict[col_type] == 'enum':
                    col_data = '\', [%s]' % (col.datatypeExplicitParams[1:-1])
                elif typesDict[col_type] == 'string':
                    if col.length > -1:
                        col_data = '\', %s' % (str(col.length))

                if (typesDict[col_type]):
                    migrations[tbl.name].append(
                        '            $table->%s(\'%s%s)' %
                        (typesDict[col_type], col.name, col_data))
                    if typesDict[
                            col_type] == 'integer' and 'UNSIGNED' in col.flags:
                        migrations[tbl.name].append('->unsigned()')
                    if col.isNotNull != 1:
                        migrations[tbl.name].append('->nullable()')
                    if col.defaultValue != '' and col.defaultValueIsNull != 0:
                        migrations[tbl.name].append('->default(NULL)')
                    elif col.defaultValue != '':
                        migrations[tbl.name].append('->default(%s)' %
                                                    (col.defaultValue))
                    if col.comment != '':
                        migrations[tbl.name].append('->comment(\'%s\')' %
                                                    (col.comment))
                    migrations[tbl.name].append(";")
                    migrations[tbl.name].append('\n')

            first_foreign_created = 0
            for fkey in tbl.foreignKeys:
                if fkey.name != '':
                    if fkey.referencedColumns[
                            0].owner.name in migration_tables:
                        if first_foreign_created == 0:
                            migrations[tbl.name].append('\n')
                            first_foreign_created = 1
                        migrations[tbl.name].append(
                            '            $table->foreign(\'%s\')->references(\'%s\')->on(\'%s\')->onDelete(\'%s\')->onUpdate(\'%s\');'
                            %
                            (fkey.columns[0].name,
                             fkey.referencedColumns[0].name,
                             fkey.referencedColumns[0].owner.name,
                             fkey.deleteRule.lower(), fkey.updateRule.lower()))
                        migrations[tbl.name].append('\n')
                    else:
                        if fkey.referencedColumns[
                                0].owner.name not in foreign_keys:
                            foreign_keys[
                                fkey.referencedColumns[0].owner.name] = []
                        foreign_keys[
                            fkey.referencedColumns[0].owner.name].append({
                                'table':
                                fkey.columns[0].owner.name,
                                'name':
                                fkey.columns[0].name,
                                'referenced_table':
                                fkey.referencedColumns[0].owner.name,
                                'referenced_name':
                                fkey.referencedColumns[0].name,
                                'update_rule':
                                fkey.updateRule,
                                'delete_rule':
                                fkey.deleteRule
                            })
            migrations[tbl.name].append("        });\n")
            for fkey, fval in foreign_keys.iteritems():
                if fkey == tbl.name:
                    keyed_tables = []
                    schema_table = 0
                    for item in fval:
                        if item['table'] not in keyed_tables:
                            keyed_tables.append(item['table'])
                            if schema_table == 0:
                                migrations[tbl.name].append('\n')
                                migrations[tbl.name].append(
                                    '        Schema::table(\'%s\', function (Blueprint $table) {\n'
                                    % (item['table']))
                                schema_table = 1
                            migrations[tbl.name].append(
                                '            $table->foreign(\'%s\')->references(\'%s\')->on(\'%s\')->onDelete(\'%s\')->onUpdate(\'%s\');\n'
                                % (item['name'], item['referenced_name'],
                                   item['referenced_table'],
                                   item['delete_rule'].lower(),
                                   item['update_rule'].lower()))
                    if schema_table == 1:
                        migrations[tbl.name].append("        });\n")
                        migrations[tbl.name].append('\n')

            migrations[tbl.name].append('    }\n')
            migrations[tbl.name].append('\n')
            migrations[tbl.name].append('    /**\n')
            migrations[tbl.name].append('     * Reverse the migrations.\n')
            migrations[tbl.name].append('     *\n')
            migrations[tbl.name].append('     * @return void\n')
            migrations[tbl.name].append('     */\n')
            migrations[tbl.name].append('    public function down()\n')
            migrations[tbl.name].append('    {\n')

            first_foreign_created = 0
            for fkey in tbl.foreignKeys:
                if fkey.name != '':
                    if fkey.referencedColumns[
                            0].owner.name in migration_tables:
                        if first_foreign_created == 0:
                            migrations[tbl.name].append(
                                '        Schema::table(\'%s\', function (Blueprint $table) {\n'
                                % (tbl.name))
                            first_foreign_created = 1
                        migrations[tbl.name].append(
                            '            $table->dropForeign([\'%s\']);\n' %
                            (fkey.columns[0].name))
            if first_foreign_created == 1:
                migrations[tbl.name].append("        });\n")
                migrations[tbl.name].append('\n')

            for fkey, fval in foreign_keys.iteritems():
                if fkey == tbl.name:
                    keyed_tables = []
                    schema_table = 0
                    for item in fval:
                        if item['table'] not in keyed_tables:
                            keyed_tables.append(item['table'])
                            if schema_table == 0:
                                migrations[tbl.name].append(
                                    '        Schema::table(\'%s\', function (Blueprint $table) {\n'
                                    % (item['table']))
                                schema_table = 1
                            migrations[tbl.name].append(
                                '            $table->dropForeign([\'%s\');\n' %
                                (item['name']))
                    if schema_table == 1:
                        migrations[tbl.name].append("        });\n")
                        migrations[tbl.name].append('\n')

            migrations[tbl.name].append('        Schema::drop(\'%s\');\n' %
                                        (tbl.name))
            migrations[tbl.name].append('    }\n')
            migrations[tbl.name].append('}')

        return migrations

    out = cStringIO.StringIO()

    try:
        for schema in [(s, s.name == 'main') for s in cat.schemata]:
            migrations = export_schema(out, schema[0], schema[1])
    except GenerateLaravel5MigrationError as e:
        Workbench.confirm(e.typ, e.message)
        return 1

    for mkey in sorted(migrations):
        out.write(''.join(migrations[mkey]))
        out.write('\n\n\n')

    sql_text = out.getvalue()
    out.close()

    wizard = GenerateLaravel5MigrationWizard(sql_text)
    wizard.run()

    return 0
Exemplo n.º 11
0
def generate_knex_migration(cat):
    def create_tree(table_schema):
        tree = {}
        for tbl in sorted(table_schema.tables, key=lambda table: table.name):
            table_references = []

            for key in tbl.foreignKeys:
                if key.name != '' and hasattr(
                        key, 'referencedColumns'
                ) and len(
                        key.referencedColumns
                ) > 0 and tbl.name != key.referencedColumns[0].owner.name:
                    table_references.append(
                        key.referencedColumns[0].owner.name)

            tree[tbl.name] = table_references

        d = dict((k, set(tree[k])) for k in tree)
        r = []
        while d:
            # values not in keys (items without dep)
            t = set(i for v in d.values() for i in v) - set(d.keys())
            # and keys without value (items without dep)
            t.update(k for k, v in d.items() if not v)
            # can be done right away
            r.append(t)
            # and cleaned up
            d = dict(((k, v - t) for k, v in d.items() if v))
        return r

    def addslashes(s):
        l = [
            "\\",
            "'",
            "\0",
        ]
        for i in l:
            if i in s:
                s = s.replace(i, '\\' + i)
        return s

    def export_schema(table_schema, tree):
        if len(table_schema.tables) == 0:
            return

        foreign_keys = {}
        global migration_tables
        global migrations
        tables = sorted(table_schema.tables, key=lambda table: table.name)
        ti = 0

        for reference_tables in tree:
            for reference in reference_tables:
                for tbl in tables:

                    if tbl.name != reference:
                        continue

                    table_name = tbl.name
                    table_engine = tbl.tableEngine
                    components = table_name.split('_')

                    migration_tables.append(table_name)
                    migrations[ti] = []

                    migrations[ti].append(
                        migrationTemplate.format(tableNameCamelCase=("".join(
                            x.title() for x in components[0:])),
                                                 tableName=table_name))

                    # migrations[ti].append("    table.engine ('{tableEngine}')\n".format(
                    #   tableEngine=table_engine
                    # ))

                    created_at = created_at_nullable \
                      = updated_at \
                      = updated_at_nullable \
                      = deleted_at \
                      = timestamps \
                      = timestamps_nullable = False

                    for col in tbl.columns:
                        if col.name == 'created_at':
                            created_at = True
                            if col.isNotNull != 1:
                                created_at_nullable = True
                        elif col.name == 'updated_at':
                            updated_at = True
                            if col.isNotNull != 1:
                                updated_at_nullable = True

                    if created_at is True and updated_at is True and created_at_nullable is True:
                        if updated_at_nullable is True:
                            timestamps_nullable = True
                        elif created_at is True and updated_at is True:
                            timestamps = True
                    elif created_at is True and updated_at is True:
                        timestamps = True

                    primary_key = [
                        col for col in tbl.indices if col.isPrimary == 1
                    ]
                    primary_key = primary_key[0] if len(
                        primary_key) > 0 else None

                    if hasattr(primary_key, 'columns'):
                        primary_col = primary_key.columns[0].referencedColumn
                    else:
                        primary_col = None

                    default_time_values = [
                        'CURRENT_TIMESTAMP',
                        'NULL ON UPDATE CURRENT_TIMESTAMP',
                        'CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP'
                    ]

                    for col in tbl.columns:
                        # Name is important attribute so it has to be set
                        # in order to make this work
                        # https://github.com/beckenrode/mysql-workbench-export-laravel-5-migrations/issues/18#issuecomment-272152778
                        try:

                            if (col.name == 'created_at'
                                    or col.name == 'updated_at') and (
                                        timestamps is True
                                        or timestamps_nullable is True):
                                continue

                            if col.name == 'deleted_at':
                                deleted_at = True
                                continue

                            if col.simpleType:
                                col_type = col.simpleType.name
                            else:
                                col_type = col.userType.name

                            if col == primary_col:
                                if col_type == "BIGINT":
                                    col_type = "BIG_INCREMENTS"
                                elif col_type == "MEDIUMINT":
                                    col_type = "MEDIUM_INCREMENTS"
                                elif col_type == "CHAR" and col.length == 36:
                                    col_type = "UUID"
                                else:
                                    col_type = "INCREMENTS"

                            if (col_type == 'BIGINT' or col_type == 'INT'
                                    or col_type == 'TINYINT'
                                    or col_type == 'MEDIUMINT' or col_type
                                    == 'SMALLINT') and 'UNSIGNED' in col.flags:
                                col_type = "u" + col_type

                            col_data = '\''

                            # Continue if type is not in dictionary
                            if col_type not in typesDict:
                                continue

                            if typesDict[col_type] == 'char':
                                if col.length > -1:
                                    col_data = '\', %s' % (str(col.length))
                            elif typesDict[col_type] == 'decimal':
                                if col.precision > -1 and col.scale > -1:
                                    col_data = '\', %s, %s' % (str(
                                        col.precision), str(col.scale))
                            elif col_type == 'DOUBLE':
                                if col.precision > -1 and col.length > -1:
                                    col_data = '\', %s, %s' % (str(
                                        col.length), str(col.precision))
                            elif typesDict[col_type] == 'enum':
                                col_data = '\', [%s]' % (
                                    col.datatypeExplicitParams[1:-1])
                            elif typesDict[col_type] == 'string':
                                if col.length > -1 and col.length < 255:
                                    col_data = '\', %s' % (str(col.length))
                                else:
                                    col_data = '\''

                            if col.name == 'remember_token' and typesDict[
                                    col_type] == 'string' and str(
                                        col.length) == '100':
                                migrations[ti].append(
                                    '    table.rememberToken()\n')
                            elif typesDict[col_type]:
                                migrations[ti].append(
                                    '    table.%s(\'%s%s)' %
                                    (typesDict[col_type], col.name, col_data))

                                # Chain unsigned to the table for all column type with unsigned
                                if col_type == 'uTINYINT' or col_type == 'uSMALLINT' or col_type == 'uMEDIUMINT' or col_type == 'uINT' or col_type == 'uBIGINT' or col_type == 'uINT1' or col_type == 'uINT2' or col_type == 'uINT3' or col_type == 'uINT4' or col_type == 'uINT8' or col_type == 'uINTEGER':
                                    migrations[ti].append('.unsigned()')

                                # Chain collate for column types string and text
                                # if typesDict[col_type] == 'string' or typesDict[col_type] == 'text' or typesDict[col_type] == 'enum':
                                #   migrations[ti].append('.collate(\'utf8_unicode_ci\')')

                                if col.isNotNull != 1:
                                    migrations[ti].append('.nullable()')

                                if col.isNotNull != 0:
                                    migrations[ti].append('.notNullable()')

                                if col.defaultValue != '' and col.defaultValueIsNull != 0:
                                    migrations[ti].append('.defaultTo(null)')
                                elif col.defaultValue != '':
                                    default_value = col.defaultValue.replace(
                                        "'", "")

                                    if default_value in default_time_values:
                                        migrations[ti].append(
                                            ".defaultTo(knex.fn.now())")
                                    else:
                                        migrations[ti].append(
                                            ".defaultTo('{}')".format(
                                                default_value))

                                if col == primary_col:
                                    migrations[ti].append('.primary()')

                                if col.comment != '':
                                    migrations[ti].append(
                                        ".comment('{comment}')".format(
                                            comment=addslashes(col.comment)))

                                migrations[ti].append('\n')

                        except AttributeError:
                            pass

                    # Generate indexes
                    indexes = {"primary": {}, "unique": {}, "index": {}}
                    for index in tbl.indices:
                        index_type = index.indexType.lower()
                        if (index_type == "primary"):
                            continue

                        index_name = index.name
                        indexes[index_type][index_name] = []

                        index_columns = []
                        for column in index.columns:
                            indexes[index_type][index_name].append(
                                column.referencedColumn.name)

                    indexes_created = False
                    for index_type in indexes:
                        for index_name in indexes[index_type]:
                            if len(indexes[index_type][index_name]) != 0:
                                indexes_created = True
                                index_key_template = indexKeyTemplate.format(
                                    indexType=index_type,
                                    indexColumns=", ".join([
                                        "'{}'".format(column_name)
                                        for column_name in indexes[index_type]
                                        [index_name]
                                    ]),
                                    indexName=index_name)
                                migrations[ti].append(index_key_template)

                    if indexes_created:
                        migrations[ti].append('\n')

                    if timestamps is True:
                        migrations[ti].append('    table.timestamps()\n')
                    elif timestamps_nullable is True:
                        migrations[ti].append('    table.timestamps()\n')

                    first_foreign_created = False

                    for key in tbl.foreignKeys:
                        if key.name != '' and hasattr(key.index, 'name'):
                            index_name = key.index.name
                            foreign_key = key.columns[0].name

                            if index_name == 'PRIMARY':
                                index_name = tbl.name + "_" + key.columns[
                                    0].name

                            if key.referencedColumns[
                                    0].owner.name in migration_tables:

                                if not first_foreign_created:
                                    migrations[ti].append('\n')
                                    first_foreign_created = True

                                delete_rule = key.deleteRule
                                if delete_rule == "":
                                    delete_rule = "RESTRICT"

                                update_rule = key.updateRule
                                if update_rule == "":
                                    update_rule = "RESTRICT"

                                migrations[ti].append(
                                    foreignKeyTemplate.format(
                                        foreignKey=foreign_key,
                                        foreignKeyName=index_name,
                                        tableKeyName=key.referencedColumns[0].
                                        name,
                                        foreignTableName=key.
                                        referencedColumns[0].owner.name,
                                        onDeleteAction=delete_rule,
                                        onUpdateAction=update_rule))

                            else:
                                if key.referencedColumns[
                                        0].owner.name not in foreign_keys:
                                    foreign_keys[key.referencedColumns[0].
                                                 owner.name] = []

                                foreign_keys[key.referencedColumns[
                                    0].owner.name].append({
                                        'table':
                                        key.columns[0].owner.name,
                                        'key':
                                        foreign_key,
                                        'name':
                                        index_name,
                                        'referenced_table':
                                        key.referencedColumns[0].owner.name,
                                        'referenced_name':
                                        key.referencedColumns[0].name,
                                        'update_rule':
                                        key.updateRule,
                                        'delete_rule':
                                        key.deleteRule
                                    })

                    for key, val in foreign_keys.iteritems():
                        if key == tbl.name:
                            keyed_tables = []
                            schema_table = 0
                            for item in val:
                                if item['table'] not in keyed_tables:
                                    keyed_tables.append(item['table'])
                                    foreign_table_name = item['table']

                                    if schema_table == 0:
                                        migrations[ti].append('\n')
                                        migrations[ti].append(
                                            schemaCreateTemplate.format(
                                                tableName=item['table']))
                                        schema_table = 1
                                    elif foreign_table_name != item['table']:
                                        migrations[ti].append("  })\n")
                                        migrations[ti].append('\n')
                                        migrations[ti].append(
                                            schemaCreateTemplate.format(
                                                tableName=item['table']))
                                    migrations[ti].append(
                                        foreignKeyTemplate.format(
                                            foreignKey=item['key'],
                                            foreignKeyName=item['name'],
                                            tableKeyName=item[
                                                'referenced_name'],
                                            foreignTableName=item[
                                                'referenced_table'],
                                            onDeleteAction=item['delete_rule'],
                                            onUpdateAction=item['update_rule'])
                                    )

                    migrations[ti].append('  })\n')
                    migrations[ti].append('}\n')

                    ##########
                    # Reverse
                    ##########

                    migrations[ti].append(migrationDownTemplate)
                    migrations[ti].append(
                        migrationEndingTemplate.format(
                            tableName=table_name,
                            tableNameCamelCase=("".join(
                                x.title() for x in components[0:]))))
                    ti += 1

        return migrations

    out = cStringIO.StringIO()

    try:
        for schema in [(s, s.name == 'main') for s in cat.schemata]:
            table_tree = create_tree(schema[0])
            migrations = export_schema(schema[0], table_tree)

    except GenerateKnexMigrationError as e:
        Workbench.confirm(e.typ, e.message)
        return 1

    unixTimestamp = time.strftime('%Y%m%d%H%M%S')
    for name in sorted(migrations):
        save_format = '{timestamp}_add_{tableName}_table.js'.format(
            timestamp=unixTimestamp, tableName=migration_tables[name])
        out.write('Table name: {0}  Migration File: {1}\n\n'.format(
            migration_tables[name], save_format))
        out.write(''.join(migrations[name]))
        out.write('\n\n\n'.format(name))

    sql_text = out.getvalue()
    out.close()

    wizard = GenerateKnexMigrationWizard(sql_text)
    wizard.run()

    return 0