Ejemplo n.º 1
0
    def parse(database, statement):
        parser = Parser(statement)
        parser.expect("CREATE")
        parser.expectOptional("OR", "REPLACE")
        parser.expect("VIEW")

        viewName = parser.parseIdentifier()

        columnsExist = parser.expectOptional("(")
        columnNames = list()

        if (columnsExist):
            while not parser.expectOptional(")"):
                columnNames.append(ParserUtils.getObjectName(parser.parseIdentifier()))
                parser.expectOptional(",")

        parser.expect("AS")

        query = parser.getRest()

        view = PgView(ParserUtils.getObjectName(viewName))
        view.columnNames = columnNames
        view.query = query

        schemaName = ParserUtils.getSchemaName(viewName, database)
        schema = database.getSchema(schemaName)

        if schema is None:
            raise Exception("CannotFindSchema" % (schemaName, statement))

        schema.addView(view)
Ejemplo n.º 2
0
	def parse(database, statement):
		parser = Parser(statement)
		parser.expect("CREATE", "SCHEMA")

		if parser.expectOptional("AUTHORIZATION"):
			schema = PgSchema(ParserUtils.getObjectName(parser.parseIdentifier()))
			database.addSchema(schema)
			schema.authorization = schema.name

		else:
			schemaName = ParserUtils.getObjectName(parser.parseIdentifier())
			schema = PgSchema(schemaName)
			database.schemas[schemaName] = schema

			if parser.expectOptional("AUTHORIZATION"):
				schema.authorization = ParserUtils.getObjectName(parser.parseIdentifier())

		definition = parser.getRest()

		if definition:
			schema.definition = definition
Ejemplo n.º 3
0
    def parse(database, statement):
        parser = Parser(statement)
        parser.expect("CREATE")

        unique = parser.expectOptional("UNIQUE")

        parser.expect("INDEX")
        parser.expectOptional("CONCURRENTLY")

        indexName = ParserUtils.getObjectName(parser.parseIdentifier())

        parser.expect("ON")

        tableName = parser.parseIdentifier()
        definition = parser.getRest()
        schemaName =ParserUtils.getSchemaName(tableName, database)
        schema = database.getSchema(schemaName)

        if (schema is None):
            print 'ERROR: CreateIndexParser[Line 21]'
            # throw new RuntimeException(MessageFormat.format(
            #         Resources.getString("CannotFindSchema"), schemaName,
            #         statement));

        objectName = ParserUtils.getObjectName(tableName)
        table = schema.getTable(objectName)

        if (table is None):
            print 'ERROR: CreateIndexParser[Line 32]'
            # throw new RuntimeException(MessageFormat.format(
            #         Resources.getString("CannotFindTable"), tableName,
            #         statement));

        index = PgIndex(indexName)
        table.addIndex(index)
        schema.addIndex(index)
        index.definition = definition.strip()
        index.tableName = table.name
        index.unique = unique
    def parse(database, statement):
        parser = Parser(statement)
        parser.expect("CREATE")
        parser.expectOptional("OR", "REPLACE")
        parser.expect("FUNCTION")

        functionName = parser.parseIdentifier();
        schemaName = ParserUtils.getSchemaName(functionName, database)
        schema = database.getSchema(schemaName)

        if schema is None:
            raise Exception("Cannot find schema '%s' for statement '%s'. Missing CREATE SCHEMA statement?" % (schemaName, statement))

        function = PgFunction()
        function.name = ParserUtils.getObjectName(functionName)

        parser.expect("(")

        while not parser.expectOptional(")"):
            mode = ''

            if parser.expectOptional("IN"):
                mode = "IN"
            elif parser.expectOptional("OUT"):
                mode = "OUT"
            elif parser.expectOptional("INOUT"):
                mode = "INOUT"
            elif parser.expectOptional("VARIADIC"):
                mode = "VARIADIC"
            else:
                mode = None

            position = parser.position
            argumentName = None
            dataType = parser.parseDataType()

            position2 = parser.position

            if (not parser.expectOptional(")") and not parser.expectOptional(",")
                    and not parser.expectOptional("=")
                    and not parser.expectOptional("DEFAULT")):
                parser.position = position
                argumentName = ParserUtils.getObjectName(parser.parseIdentifier())
                dataType = parser.parseDataType()
            else:
                parser.position = position2

            defaultExpression = ''

            if (parser.expectOptional("=")
                    or parser.expectOptional("DEFAULT")):
                defaultExpression = parser.getExpression()
            else:
                defaultExpression = None

            argument = Argument()
            argument.dataType = dataType
            argument.defaultExpression = defaultExpression
            argument.mode = mode
            argument.name = argumentName
            function.addArgument(argument)

            if (parser.expectOptional(")")):
                break
            else:
                parser.expect(",")

        function.body = parser.getRest()

        schema.addFunction(function)
Ejemplo n.º 5
0
    def parse(database, statement, ignoreSlonyTriggers):
        parser = Parser(statement)
        parser.expect("CREATE", "TRIGGER")

        triggerName = parser.parseIdentifier()
        objectName = ParserUtils.getObjectName(triggerName)

        trigger = PgTrigger()
        trigger.name = objectName

        if parser.expectOptional("BEFORE"):
            trigger.event = PgTrigger.EVENT_BEFORE
        elif parser.expectOptional("AFTER"):
            trigger.event = PgTrigger.EVENT_AFTER
        elif parser.expectOptional("INSTEAD OF"):
            trigger.event = PgTrigger.EVENT_INSTEAD_OF

        first = True

        while True:
            if not first and not parser.expectOptional("OR"):
                break
            elif parser.expectOptional("INSERT"):
                trigger.onInsert = True
            elif parser.expectOptional("UPDATE"):
                trigger.onUpdate = True

                if parser.expectOptional("OF"):
                    while True:
                        trigger.updateColumns.append(parser.parseIdentifier())
                        if not parser.expectOptional(","):
                            break

            elif parser.expectOptional("DELETE"):
                trigger.onDelete = True
            elif parser.expectOptional("TRUNCATE"):
                trigger.onTruncate = True
            elif (first):
                break
            else:
                parser.throwUnsupportedCommand()

            first = False

        parser.expect("ON")

        trigger.tableName = ParserUtils.getObjectName(parser.parseIdentifier())

        if parser.expectOptional("FOR"):
            parser.expectOptional("EACH")

            if parser.expectOptional("ROW"):
                trigger.forEachRow = True
            elif parser.expectOptional("STATEMENT"):
                trigger.forEachRow = False
            else:
                parser.throwUnsupportedCommand()

        if parser.expectOptional("WHEN"):
            parser.expect("(")
            trigger.when = parser.getExpression()
            parser.expect(")")

        parser.expect("EXECUTE", "PROCEDURE")
        trigger.function = parser.getRest()

        ignoreSlonyTrigger = ignoreSlonyTriggers and ("_slony_logtrigger" == trigger.name or "_slony_denyaccess" == trigger.name)

        if (not ignoreSlonyTrigger):
            schema = database.getSchema(ParserUtils.getSchemaName(trigger.tableName, database))
            container = schema.tables.get(trigger.tableName)
            if not container:
                container = schema.views.get(trigger.tableName)

            if container:
                container.triggers[trigger.name] = trigger
            else:
                raise Exception()