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# schema.py
# Copyright (C) 2005-2017 the SQLAlchemy authors and contributors
# <see AUTHORS file>
#
# This module is part of SQLAlchemy and is released under
# the MIT License: http://www.opensource.org/licenses/mit-license.php
"""Compatibility namespace for sqlalchemy.sql.schema and related.
"""
from .sql.base import (
SchemaVisitor
)
from .sql.schema import (
BLANK_SCHEMA,
CheckConstraint,
Column,
ColumnDefault,
Constraint,
DefaultClause,
DefaultGenerator,
FetchedValue,
ForeignKey,
ForeignKeyConstraint,
Index,
MetaData,
PassiveDefault,
PrimaryKeyConstraint,
SchemaItem,
Sequence,
Table,
ThreadLocalMetaData,
UniqueConstraint,
_get_table_key,
ColumnCollectionConstraint,
ColumnCollectionMixin
)
from .sql.naming import conv
from .sql.ddl import (
DDL,
CreateTable,
DropTable,
CreateSequence,
DropSequence,
CreateIndex,
DropIndex,
CreateSchema,
DropSchema,
_DropView,
CreateColumn,
AddConstraint,
DropConstraint,
DDLBase,
DDLElement,
_CreateDropBase,
_DDLCompiles,
sort_tables,
sort_tables_and_constraints
)
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