Ejemplo n.º 1
0
    def get_sql(self, with_alias=False, subquery=False, **kwargs):
        union_template = ' UNION{type} {union}'

        kwargs = {'quote_char': self.base_query.quote_char, 'dialect': self.base_query.dialect}
        base_querystring = self.base_query.get_sql(subquery=self.base_query.wrap_union_queries, **kwargs)

        querystring = base_querystring
        for union_type, union_query in self._unions:
            union_querystring = union_query.get_sql(subquery=self.base_query.wrap_union_queries, **kwargs)

            if len(self.base_query._selects) != len(union_query._selects):
                raise UnionException("Queries must have an equal number of select statements in a union."
                                     "\n\nMain Query:\n{query1}\n\nUnion Query:\n{query2}"
                                     .format(query1=base_querystring, query2=union_querystring))

            querystring += union_template.format(type=union_type.value,
                                                 union=union_querystring)

        if self._orderbys:
            querystring += self._orderby_sql(**kwargs)

        if self._limit:
            querystring += self._limit_sql()

        if self._offset:
            querystring += self._offset_sql()

        if subquery:
            querystring = '({query})'.format(query=querystring)

        if with_alias:
            return alias_sql(querystring, self.alias or self._table_name, kwargs.get('quote_char'))

        return querystring
Ejemplo n.º 2
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    def get_sql(self, quote_char=None, **kwargs):
        # FIXME escape
        table_sql = format_quotes(self._table_name, quote_char)

        if self._schema is not None:
            table_sql = '{schema}.{table}' \
                .format(schema=self._schema.get_sql(quote_char=quote_char, **kwargs),
                        table=table_sql)
        return alias_sql(table_sql, self.alias, quote_char)
Ejemplo n.º 3
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    def get_sql(self, with_alias=False, with_namespace=False, quote_char=None, **kwargs):
        # FIXME escape

        function_sql = self.get_function_sql(with_namespace=with_namespace, quote_char=quote_char)

        if not with_alias or self.alias is None:
            return function_sql

        return alias_sql(function_sql, self.alias, quote_char)
Ejemplo n.º 4
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    def get_sql(self, with_alias=False, with_namespace=False, quote_char=None, **kwargs):
        # FIXME escape

        function_sql = self.get_function_sql(with_namespace=with_namespace, quote_char=quote_char)

        if not with_alias or self.alias is None:
            return function_sql

        return alias_sql(function_sql, self.alias, quote_char)
Ejemplo n.º 5
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    def get_sql(self, with_alias=False, with_namespace=False, quote_char=None, **kwargs):
        # FIXME escape
        function_sql = self.get_function_sql(with_namespace=with_namespace, quote_char=quote_char)

        if self.schema is not None:
            function_sql = '{schema}.{function}' \
                .format(schema=self.schema.get_sql(quote_char=quote_char, **kwargs),
                        function=function_sql)

        if not with_alias or self.alias is None:
            return function_sql

        return alias_sql(function_sql, self.alias, quote_char)
Ejemplo n.º 6
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    def get_sql(self, with_alias=False, with_namespace=False, quote_char=None, **kwargs):
        # FIXME escape
        function_sql = self.get_function_sql(with_namespace=with_namespace, quote_char=quote_char)

        if self.schema is not None:
            function_sql = '{schema}.{function}' \
                .format(schema=self.schema.get_sql(quote_char=quote_char, **kwargs),
                        function=function_sql)

        if not with_alias or self.alias is None:
            return function_sql

        return alias_sql(function_sql, self.alias, quote_char)
Ejemplo n.º 7
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    def get_sql(self, quote_char=None, **kwargs):
        # FIXME escape

        if self._schema:
            table_sql = "{quote}{schema}{quote}.{quote}{name}{quote}".format(
                schema=self._schema,
                name=self._table_name,
                quote=quote_char or '')

        else:
            table_sql = "{quote}{name}{quote}".format(name=self._table_name,
                                                      quote=quote_char or '')

        return alias_sql(table_sql, self.alias, quote_char)
Ejemplo n.º 8
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    def get_sql(self, with_alias=False, **kwargs):
        is_mul = self.operator in self.mul_order
        is_left_add, is_right_add = [getattr(side, 'operator', None) in self.add_order
                                     for side in [self.left, self.right]]

        quote_char = kwargs.get('quote_char', None)
        arithmatic_sql = '{left}{operator}{right}'.format(
            operator=self.operator.value,
            left=("({})" if is_mul and is_left_add else "{}").format(self.left.get_sql(**kwargs)),
            right=("({})" if is_mul and is_right_add else "{}").format(self.right.get_sql(**kwargs)),
        )

        if not with_alias or self.alias is None:
            return arithmatic_sql

        return alias_sql(arithmatic_sql, self.alias, quote_char)
Ejemplo n.º 9
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    def get_sql(self, with_alias=False, **kwargs):
        is_mul = self.operator in self.mul_order
        is_left_add, is_right_add = [getattr(side, 'operator', None) in self.add_order
                                     for side in [self.left, self.right]]

        quote_char = kwargs.get('quote_char', None)
        arithmatic_sql = '{left}{operator}{right}'.format(
            operator=self.operator.value,
            left=("({})" if is_mul and is_left_add else "{}").format(self.left.get_sql(**kwargs)),
            right=("({})" if is_mul and is_right_add else "{}").format(self.right.get_sql(**kwargs)),
        )

        if not with_alias or self.alias is None:
            return arithmatic_sql

        return alias_sql(arithmatic_sql, self.alias, quote_char)
Ejemplo n.º 10
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    def get_sql(self, with_alias=False, **kwargs):
        if not self._cases:
            raise CaseException(
                "At least one 'when' case is required for a CASE statement.")

        cases = " ".join('WHEN {when} THEN {then}'.format(
            when=criterion.get_sql(**kwargs), then=term.get_sql(**kwargs))
                         for criterion, term in self._cases)
        else_ = (' ELSE {}'.format(self._else.get_sql(
            **kwargs)) if self._else else '')

        case_sql = 'CASE {cases}{else_} END'.format(cases=cases, else_=else_)

        if not with_alias or self.alias is None:
            return case_sql

        return alias_sql(case_sql, self.alias, kwargs.get('quote_char'))
Ejemplo n.º 11
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    def get_sql(self, with_alias=False, **kwargs):
        if not self._cases:
            raise CaseException("At least one 'when' case is required for a CASE statement.")

        cases = " ".join('WHEN {when} THEN {then}'.format(
            when=criterion.get_sql(**kwargs),
            then=term.get_sql(**kwargs)
        ) for criterion, term in self._cases)
        else_ = (' ELSE {}'.format(self._else.get_sql(**kwargs))
                 if self._else
                 else '')

        case_sql = 'CASE {cases}{else_} END'.format(cases=cases, else_=else_)

        if not with_alias or self.alias is None:
            return case_sql

        return alias_sql(case_sql, self.alias, kwargs.get('quote_char'))
Ejemplo n.º 12
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    def get_sql(self, with_alias=False, subquery=False, **kwargs):
        union_template = ' UNION{type} {union}'

        kwargs = {
            'dialect': self.base_query.dialect,
            # This initializes the quote char based on the base query, which could be a dialect specific query class
            # This might be overridden if quote_char is set explicitly in kwargs
            'quote_char': self.base_query.quote_char,
            **kwargs,
        }
        base_querystring = self.base_query.get_sql(
            subquery=self.base_query.wrap_union_queries, **kwargs)

        querystring = base_querystring
        for union_type, union_query in self._unions:
            union_querystring = union_query.get_sql(
                subquery=self.base_query.wrap_union_queries, **kwargs)

            if len(self.base_query._selects) != len(union_query._selects):
                raise UnionException(
                    "Queries must have an equal number of select statements in a union."
                    "\n\nMain Query:\n{query1}\n\nUnion Query:\n{query2}".
                    format(query1=base_querystring, query2=union_querystring))

            querystring += union_template.format(type=union_type.value,
                                                 union=union_querystring)

        if self._orderbys:
            querystring += self._orderby_sql(**kwargs)

        if self._limit:
            querystring += self._limit_sql()

        if self._offset:
            querystring += self._offset_sql()

        if subquery:
            querystring = '({query})'.format(query=querystring, **kwargs)

        if with_alias:
            return alias_sql(querystring, self.alias or self._table_name,
                             kwargs.get('quote_char'))

        return querystring
Ejemplo n.º 13
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    def get_sql(self, with_alias=False, with_namespace=False, quote_char=None, **kwargs):
        # Need to add namespace if the table has an alias
        if self.table and (with_namespace or self.table.alias):
            field_sql = "{quote}{namespace}{quote}.{quote}{name}{quote}".format(
                namespace=self.table.alias or self.table._table_name,
                name=self.name,
                quote=quote_char or '',
            )
        else:
            field_sql = "{quote}{name}{quote}".format(
                name=self.name,
                quote=quote_char or '',
            )

        field_alias = getattr(self, 'alias', None)
        if not with_alias or field_alias is None:
            return field_sql

        return alias_sql(field_sql, field_alias, quote_char)
Ejemplo n.º 14
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    def get_sql(self, quote_char=None, **kwargs):
        # FIXME escape

        if self._schema:
            table_sql = "{quote}{schema}{quote}.{quote}{name}{quote}".format(
                  schema=self._schema,
                  name=self._table_name,
                  quote=quote_char or ''
            )

        else:
            table_sql = "{quote}{name}{quote}".format(
                  name=self._table_name,
                  quote=quote_char or ''
            )

        if self.alias is None:
            return table_sql
        return alias_sql(table_sql, self.alias, quote_char)
Ejemplo n.º 15
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    def get_sql(self, with_alias=False, with_namespace=False, quote_char=None, **kwargs):
        # Need to add namespace if the table has an alias
        if self.table and (with_namespace or self.table.alias):
            field_sql = "{quote}{namespace}{quote}.{quote}{name}{quote}".format(
                namespace=self.table.alias or self.table._table_name,
                name=self.name,
                quote=quote_char or '',
            )
        else:
            field_sql = "{quote}{name}{quote}".format(
                name=self.name,
                quote=quote_char or '',
            )

        field_alias = getattr(self, 'alias', None)
        if not with_alias or field_alias is None:
            return field_sql

        return alias_sql(field_sql, field_alias, quote_char)
Ejemplo n.º 16
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    def get_sql(self, with_alias=False, subquery=False, **kwargs):
        union_template = ' UNION{type} {union}'

        kwargs = {
            'quote_char': self.base_query.quote_char,
            'dialect': self.base_query.dialect
        }
        base_querystring = self.base_query.get_sql(
            subquery=self.base_query.wrap_union_queries, **kwargs)

        querystring = base_querystring
        for union_type, union_query in self._unions:
            union_querystring = union_query.get_sql(
                subquery=self.base_query.wrap_union_queries, **kwargs)

            if len(self.base_query._selects) != len(union_query._selects):
                raise UnionException(
                    "Queries must have an equal number of select statements in a union."
                    "\n\nMain Query:\n{query1}\n\nUnion Query:\n{query2}".
                    format(query1=base_querystring, query2=union_querystring))

            querystring += union_template.format(type=union_type.value,
                                                 union=union_querystring)

        if self._orderbys:
            querystring += self._orderby_sql(**kwargs)

        if self._limit:
            querystring += self._limit_sql()

        if self._offset:
            querystring += self._offset_sql()

        if subquery:
            querystring = '({query})'.format(query=querystring)

        if with_alias:
            return alias_sql(querystring, self.alias or self._table_name,
                             kwargs.get('quote_char'))

        return querystring
Ejemplo n.º 17
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    def get_sql(self,
                with_alias=False,
                with_namespace=False,
                quote_char=None,
                secondary_quote_char="'",
                **kwargs):
        field_sql = format_quotes(self.name, quote_char)

        # Need to add namespace if the table has an alias
        if self.table and (with_namespace or self.table.alias):
            field_sql = "{namespace}.{name}" \
                .format(
                  namespace=format_quotes(self.table.alias or self.table._table_name, quote_char),
                  name=field_sql,
            )

        field_alias = getattr(self, 'alias', None)
        if not with_alias or field_alias is None:
            return field_sql

        return alias_sql(field_sql, field_alias, quote_char)
Ejemplo n.º 18
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    def get_sql(self, with_alias=False, subquery=False, **kwargs):
        if not (self._selects or self._insert_table or self._delete_from or self._update_table):
            return ''
        if self._insert_table and not (self._selects or self._values):
            return ''
        if self._update_table and not self._updates:
            return ''

        has_joins = bool(self._joins)
        has_multiple_from_clauses = 1 < len(self._from)
        has_subquery_from_clause = 0 < len(self._from) and isinstance(self._from[0], QueryBuilder)

        kwargs['with_namespace'] = any((has_joins, has_multiple_from_clauses, has_subquery_from_clause))

        if self._update_table:
            querystring = self._update_sql(**kwargs)
            querystring += self._set_sql(**kwargs)

            if self._wheres:
                querystring += self._where_sql(**kwargs)

            return querystring
        elif self._delete_from:
            querystring = self._delete_sql(**kwargs)
        elif not self._select_into and self._insert_table:
            querystring = self._insert_sql(**kwargs)

            if self._columns:
                querystring += self._columns_sql(**kwargs)

            if self._values:
                querystring += self._values_sql(**kwargs)
                return querystring
            else:
                querystring += ' ' + self._select_sql(**kwargs)
        else:
            querystring = self._select_sql(**kwargs)

            if self._insert_table:
                querystring += self._into_sql(**kwargs)

        if self._from:
            querystring += self._from_sql(**kwargs)

        if self._joins:
            querystring += " " + " ".join(join.get_sql(**kwargs)
                                          for join in self._joins)

        if self._prewheres:
            querystring += self._prewhere_sql(**kwargs)

        if self._wheres:
            querystring += self._where_sql(**kwargs)

        if self._groupbys:
            querystring += self._group_sql(**kwargs)
            if self._mysql_rollup:
                querystring += self._rollup_sql()

        if self._havings:
            querystring += self._having_sql(**kwargs)

        if self._orderbys:
            querystring += self._orderby_sql(**kwargs)

        if self._limit:
            querystring += self._limit_sql()

        if self._offset:
            querystring += self._offset_sql()

        if subquery:
            querystring = '({query})'.format(query=querystring)

        if with_alias:
            return alias_sql(querystring, self.alias or self._table_name, kwargs.get('quote_char'))

        return querystring
Ejemplo n.º 19
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 def get_sql(self, quote_char=None, **kwargs):
     kwargs['subcriterion'] = True
     sql = "NOT {term}".format(term=self.term.get_sql(quote_char=quote_char,
                                                      **kwargs))
     return alias_sql(sql, self.alias, quote_char=quote_char)
Ejemplo n.º 20
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 def get_sql(self, quote_char=None, secondary_quote_char="'", **kwargs):
     sql = self.get_value_sql(quote_char=quote_char,
                              secondary_quote_char=secondary_quote_char,
                              **kwargs)
     return alias_sql(sql, self.alias, quote_char)
Ejemplo n.º 21
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 def get_sql(self, **kwargs):
     return alias_sql(
         sql=super(Bracket, self).get_sql(**kwargs),
         alias=self.alias,
         quote_char=kwargs.get('quote_char', None),
     )
Ejemplo n.º 22
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 def get_sql(self, quote_char=None, **kwargs):
     sql = self._get_value_sql(quote_char=quote_char, **kwargs)
     return alias_sql(sql, self.alias, quote_char)
Ejemplo n.º 23
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 def get_sql(self, **kwargs):
     return alias_sql(
         sql=super(Bracket, self).get_sql(**kwargs),
         alias=self.alias,
         quote_char=kwargs.get('quote_char', None),
     )
Ejemplo n.º 24
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    def get_sql(self,
                with_alias=False,
                subquery=False,
                with_unions=False,
                **kwargs):
        if not (self._selects or self._insert_table):
            return ''
        if self._insert_table and not (self._selects or self._values):
            return ''

        kwargs['with_namespace'] = bool(self._joins) or 1 < len(self._from)

        if not self._select_into and self._insert_table:
            querystring = self._insert_sql(**kwargs)

            if self._columns:
                querystring += self._columns_sql(**kwargs)

            if self._values:
                return querystring + self._values_sql(**kwargs)
            else:
                querystring += ' ' + self._select_sql(**kwargs)

        else:
            querystring = self._select_sql(**kwargs)

            if self._insert_table:
                querystring += self._into_sql(**kwargs)

        if self._from:
            querystring += self._from_sql(**kwargs)

        if self._joins:
            querystring += " " + " ".join(
                join.get_sql(**kwargs) for join in self._joins)

        if self._wheres:
            querystring += self._where_sql(**kwargs)

        if self._groupbys:
            querystring += self._group_sql(**kwargs)
            if self._mysql_rollup:
                querystring += self._rollup_sql()

        if self._havings:
            querystring += self._having_sql(**kwargs)

        if self._orderbys:
            querystring += self._orderby_sql(**kwargs)

        if self._offset:
            querystring += self._offset_sql()

        if self._limit:
            querystring += self._limit_sql()

        if subquery:
            querystring = '({query})'.format(query=querystring)

        if with_alias:
            return alias_sql(querystring, self.alias or self.table_name,
                             kwargs.get('quote_char'))

        if with_unions:
            querystring = self._union_sql(querystring, **kwargs)

        return querystring
Ejemplo n.º 25
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 def get_sql(self, quote_char=None, **kwargs):
     sql = 'NULL'
     if self.alias is None:
         return sql
     return alias_sql(sql, self.alias, quote_char)
Ejemplo n.º 26
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 def get_sql(self, quote_char=None, **kwargs):
     sql = self.get_value_sql(quote_char=quote_char, **kwargs)
     return alias_sql(sql, self.alias, quote_char)
Ejemplo n.º 27
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 def get_sql(self, quote_char=None, **kwargs):
     kwargs['subcriterion'] = True
     sql = "NOT {term}".format(
         term=self.term.get_sql(quote_char=quote_char, **kwargs))
     return alias_sql(sql, self.alias, quote_char=quote_char)
Ejemplo n.º 28
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 def get_sql(self, quote_char=None, **kwargs):
     sql = self._get_value_sql(quote_char=quote_char, **kwargs)
     if self.alias is None:
         return sql
     return alias_sql(sql, self.alias, quote_char)
Ejemplo n.º 29
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    def get_sql(self, with_alias=False, subquery=False, **kwargs):
        if not (self._selects or self._insert_table or self._delete_from
                or self._update_table):
            return ''
        if self._insert_table and not (self._selects or self._values):
            return ''
        if self._update_table and not self._updates:
            return ''

        has_joins = bool(self._joins)
        has_multiple_from_clauses = 1 < len(self._from)
        has_subquery_from_clause = 0 < len(self._from) and isinstance(
            self._from[0], QueryBuilder)

        kwargs['with_namespace'] = any(
            (has_joins, has_multiple_from_clauses, has_subquery_from_clause))

        if self._update_table:
            querystring = self._update_sql(**kwargs)
            querystring += self._set_sql(**kwargs)

            if self._wheres:
                querystring += self._where_sql(**kwargs)

            return querystring
        elif self._delete_from:
            querystring = self._delete_sql(**kwargs)
        elif not self._select_into and self._insert_table:
            querystring = self._insert_sql(**kwargs)

            if self._columns:
                querystring += self._columns_sql(**kwargs)

            if self._values:
                querystring += self._values_sql(**kwargs)
                return querystring
            else:
                querystring += ' ' + self._select_sql(**kwargs)
        else:
            querystring = self._select_sql(**kwargs)

            if self._insert_table:
                querystring += self._into_sql(**kwargs)

        if self._from:
            querystring += self._from_sql(**kwargs)

        if self._joins:
            querystring += " " + " ".join(
                join.get_sql(**kwargs) for join in self._joins)

        if self._prewheres:
            querystring += self._prewhere_sql(**kwargs)

        if self._wheres:
            querystring += self._where_sql(**kwargs)

        if self._groupbys:
            querystring += self._group_sql(**kwargs)
            if self._mysql_rollup:
                querystring += self._rollup_sql()

        if self._havings:
            querystring += self._having_sql(**kwargs)

        if self._orderbys:
            querystring += self._orderby_sql(**kwargs)

        if self._limit:
            querystring += self._limit_sql()

        if self._offset:
            querystring += self._offset_sql()

        if subquery:
            querystring = '({query})'.format(query=querystring)

        if with_alias:
            return alias_sql(querystring, self.alias or self._table_name,
                             kwargs.get('quote_char'))

        return querystring
Ejemplo n.º 30
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 def get_sql(self, quote_char=None, **kwargs):
     sql = 'NULL'
     if self.alias is None:
         return sql
     return alias_sql(sql, self.alias, quote_char)