Python expression._select_iterables方法代碼示例

本文整理匯總了Python中sqlalchemy.sql.expression._select_iterables方法的典型用法代碼示例。如果您正苦於以下問題：Python expression._select_iterables方法的具體用法？Python expression._select_iterables怎麽用？Python expression._select_iterables使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類sqlalchemy.sql.expression的用法示例。

在下文中一共展示了expression._select_iterables方法的10個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。

示例1: returning_clause

# 需要導入模塊: from sqlalchemy.sql import expression [as 別名]
# 或者: from sqlalchemy.sql.expression import _select_iterables [as 別名]
def returning_clause(self, stmt, returning_cols):
        self.returning_cols = list(
            expression._select_iterables(returning_cols))

        # within_columns_clause=False so that labels (foo AS bar) don't render
        columns = [self.process(c, within_columns_clause=False)
                   for c in self.returning_cols]

        if not hasattr(self, 'returning_parameters'):
            self.returning_parameters = []

        binds = []
        for i, col in enumerate(self.returning_cols):
            dbtype = col.type.dialect_impl(
                self.dialect).get_dbapi_type(self.dialect.dbapi)
            self.returning_parameters.append((i + 1, dbtype))

            bindparam = sql.bindparam(
                "ret_%d" % i, value=ReturningParam(dbtype))
            self.binds[bindparam.key] = bindparam
            binds.append(
                self.bindparam_string(self._truncate_bindparam(bindparam)))

        return 'RETURNING ' + ', '.join(columns) + " INTO " + ", ".join(binds)

開發者ID:jpush，項目名稱:jbox，代碼行數:26，代碼來源:zxjdbc.py

示例2: returning_clause

# 需要導入模塊: from sqlalchemy.sql import expression [as 別名]
# 或者: from sqlalchemy.sql.expression import _select_iterables [as 別名]
def returning_clause(self, stmt, returning_cols):
        columns = []
        binds = []
        for i, column in enumerate(
                expression._select_iterables(returning_cols)):
            if column.type._has_column_expression:
                col_expr = column.type.column_expression(column)
            else:
                col_expr = column
            outparam = sql.outparam("ret_%d" % i, type_=column.type)
            self.binds[outparam.key] = outparam
            binds.append(
                self.bindparam_string(self._truncate_bindparam(outparam)))
            columns.append(
                self.process(col_expr, within_columns_clause=False))

            self._add_to_result_map(
                outparam.key, outparam.key,
                (column, getattr(column, 'name', None),
                 getattr(column, 'key', None)),
                column.type
            )

        return 'RETURNING ' + ', '.join(columns) + " INTO " + ", ".join(binds)

開發者ID:jpush，項目名稱:jbox，代碼行數:26，代碼來源:base.py

示例3: returning_clause

# 需要導入模塊: from sqlalchemy.sql import expression [as 別名]
# 或者: from sqlalchemy.sql.expression import _select_iterables [as 別名]
def returning_clause(self, stmt, returning_cols):
        self.returning_cols = list(
            expression._select_iterables(returning_cols))

        # within_columns_clause=False so that labels (foo AS bar) don't render
        columns = [self.process(c, within_columns_clause=False,
                                result_map=self.result_map)
                   for c in self.returning_cols]

        if not hasattr(self, 'returning_parameters'):
            self.returning_parameters = []

        binds = []
        for i, col in enumerate(self.returning_cols):
            dbtype = col.type.dialect_impl(
                self.dialect).get_dbapi_type(self.dialect.dbapi)
            self.returning_parameters.append((i + 1, dbtype))

            bindparam = sql.bindparam(
                "ret_%d" % i, value=ReturningParam(dbtype))
            self.binds[bindparam.key] = bindparam
            binds.append(
                self.bindparam_string(self._truncate_bindparam(bindparam)))

        return 'RETURNING ' + ', '.join(columns) + " INTO " + ", ".join(binds)

開發者ID:gltn，項目名稱:stdm，代碼行數:27，代碼來源:zxjdbc.py

示例4: returning_clause

# 需要導入模塊: from sqlalchemy.sql import expression [as 別名]
# 或者: from sqlalchemy.sql.expression import _select_iterables [as 別名]
def returning_clause(self, stmt, returning_cols):
        columns = []
        binds = []
        for i, column in enumerate(
                expression._select_iterables(returning_cols)):
            if column.type._has_column_expression:
                col_expr = column.type.column_expression(column)
            else:
                col_expr = column
            outparam = sql.outparam("ret_%d" % i, type_=column.type)
            self.binds[outparam.key] = outparam
            binds.append(
                self.bindparam_string(self._truncate_bindparam(outparam)))
            columns.append(
                self.process(col_expr, within_columns_clause=False))
            self.result_map[outparam.key] = (
                outparam.key,
                (column, getattr(column, 'name', None),
                 getattr(column, 'key', None)),
                column.type
            )

        return 'RETURNING ' + ', '.join(columns) + " INTO " + ", ".join(binds)

開發者ID:gltn，項目名稱:stdm，代碼行數:25，代碼來源:base.py

示例5: returning_clause

# 需要導入模塊: from sqlalchemy.sql import expression [as 別名]
# 或者: from sqlalchemy.sql.expression import _select_iterables [as 別名]
def returning_clause(self, stmt, returning_cols):
        self.returning_cols = list(expression._select_iterables(returning_cols))

        # within_columns_clause=False so that labels (foo AS bar) don't render
        columns = [self.process(c, within_columns_clause=False, result_map=self.result_map)
                   for c in self.returning_cols]

        if not hasattr(self, 'returning_parameters'):
            self.returning_parameters = []

        binds = []
        for i, col in enumerate(self.returning_cols):
            dbtype = col.type.dialect_impl(self.dialect).get_dbapi_type(self.dialect.dbapi)
            self.returning_parameters.append((i + 1, dbtype))

            bindparam = sql.bindparam("ret_%d" % i, value=ReturningParam(dbtype))
            self.binds[bindparam.key] = bindparam
            binds.append(self.bindparam_string(self._truncate_bindparam(bindparam)))

        return 'RETURNING ' + ', '.join(columns) + " INTO " + ", ".join(binds)

開發者ID:binhex，項目名稱:moviegrabber，代碼行數:22，代碼來源:zxjdbc.py

示例6: returning_clause

# 需要導入模塊: from sqlalchemy.sql import expression [as 別名]
# 或者: from sqlalchemy.sql.expression import _select_iterables [as 別名]
def returning_clause(self, stmt, returning_cols):
        columns = []
        binds = []
        for i, column in enumerate(expression._select_iterables(returning_cols)):
            if column.type._has_column_expression:
                col_expr = column.type.column_expression(column)
            else:
                col_expr = column
            outparam = sql.outparam("ret_%d" % i, type_=column.type)
            self.binds[outparam.key] = outparam
            binds.append(self.bindparam_string(self._truncate_bindparam(outparam)))
            columns.append(self.process(col_expr, within_columns_clause=False))
            self.result_map[outparam.key] = (
                outparam.key,
                (column, getattr(column, 'name', None),
                                        getattr(column, 'key', None)),
                column.type
            )

        return 'RETURNING ' + ', '.join(columns) + " INTO " + ", ".join(binds)

開發者ID:binhex，項目名稱:moviegrabber，代碼行數:22，代碼來源:base.py

示例7: returning_clause

# 需要導入模塊: from sqlalchemy.sql import expression [as 別名]
# 或者: from sqlalchemy.sql.expression import _select_iterables [as 別名]
def returning_clause(self, stmt, returning_cols):
        columns = [
            self._label_select_column(None, c, True, False, {})
            for c in expression._select_iterables(returning_cols)
        ]

        return 'RETURNING ' + ', '.join(columns)

開發者ID:jpush，項目名稱:jbox，代碼行數:9，代碼來源:base.py

示例8: returning_clause

# 需要導入模塊: from sqlalchemy.sql import expression [as 別名]
# 或者: from sqlalchemy.sql.expression import _select_iterables [as 別名]
def returning_clause(self, stmt, returning_cols):
        columns = []
        binds = []

        for i, column in enumerate(
                expression._select_iterables(returning_cols)):
            if column.type._has_column_expression:
                col_expr = column.type.column_expression(column)
            else:
                col_expr = column

            outparam = sql.outparam("ret_%d" % i, type_=column.type)
            self.binds[outparam.key] = outparam
            binds.append(
                self.bindparam_string(self._truncate_bindparam(outparam)))
            columns.append(
                self.process(col_expr, within_columns_clause=False))

            self._add_to_result_map(
                getattr(col_expr, 'name', col_expr.anon_label),
                getattr(col_expr, 'name', col_expr.anon_label),
                (column, getattr(column, 'name', None),
                 getattr(column, 'key', None)),
                column.type
            )

        return 'RETURNING ' + ', '.join(columns) + " INTO " + ", ".join(binds)

開發者ID:yfauser，項目名稱:planespotter，代碼行數:29，代碼來源:base.py

示例9: returning_clause

# 需要導入模塊: from sqlalchemy.sql import expression [as 別名]
# 或者: from sqlalchemy.sql.expression import _select_iterables [as 別名]
def returning_clause(self, stmt, returning_cols):
        columns = [
            self._label_select_column(None, c, True, False, {})
            for c in expression._select_iterables(returning_cols)
        ]

        return "RETURNING " + ", ".join(columns)

開發者ID:sqlalchemy，項目名稱:sqlalchemy，代碼行數:9，代碼來源:base.py

示例10: returning_clause

# 需要導入模塊: from sqlalchemy.sql import expression [as 別名]
# 或者: from sqlalchemy.sql.expression import _select_iterables [as 別名]
def returning_clause(self, stmt, returning_cols):
        columns = [
                self._label_select_column(None, c, True, False, {})
                for c in expression._select_iterables(returning_cols)
            ]

        return 'RETURNING ' + ', '.join(columns)

開發者ID:binhex，項目名稱:moviegrabber，代碼行數:9，代碼來源:base.py

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