本文整理汇总了Python中sqlalchemy.dialects.postgresql.DropEnumType方法的典型用法代码示例。如果您正苦于以下问题：Python postgresql.DropEnumType方法的具体用法？Python postgresql.DropEnumType怎么用？Python postgresql.DropEnumType使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类sqlalchemy.dialects.postgresql的用法示例。
在下文中一共展示了postgresql.DropEnumType方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_generic_enum
# 需要导入模块: from sqlalchemy.dialects import postgresql [as 别名]
# 或者: from sqlalchemy.dialects.postgresql import DropEnumType [as 别名]
def test_generic_enum(self):
e1 = Enum("x", "y", "z", name="somename")
e2 = Enum("x", "y", "z", name="somename", schema="someschema")
self.assert_compile(
postgresql.CreateEnumType(e1),
"CREATE TYPE somename AS ENUM ('x', 'y', 'z')",
)
self.assert_compile(
postgresql.CreateEnumType(e2),
"CREATE TYPE someschema.somename AS ENUM " "('x', 'y', 'z')",
)
self.assert_compile(postgresql.DropEnumType(e1), "DROP TYPE somename")
self.assert_compile(
postgresql.DropEnumType(e2), "DROP TYPE someschema.somename"
)
t1 = Table("sometable", MetaData(), Column("somecolumn", e1))
self.assert_compile(
schema.CreateTable(t1),
"CREATE TABLE sometable (somecolumn " "somename)",
)
t1 = Table(
"sometable",
MetaData(),
Column(
"somecolumn",
Enum("x", "y", "z", native_enum=False, create_constraint=True),
),
)
self.assert_compile(
schema.CreateTable(t1),
"CREATE TABLE sometable (somecolumn "
"VARCHAR(1), CHECK (somecolumn IN ('x', "
"'y', 'z')))",
) 示例2: _prep_testing_database
# 需要导入模块: from sqlalchemy.dialects import postgresql [as 别名]
# 或者: from sqlalchemy.dialects.postgresql import DropEnumType [as 别名]
def _prep_testing_database(options, file_config):
from sqlalchemy.testing import config, util
from sqlalchemy.testing.exclusions import against
from sqlalchemy import schema, inspect
if options.dropfirst:
for cfg in config.Config.all_configs():
e = cfg.db
inspector = inspect(e)
try:
view_names = inspector.get_view_names()
except NotImplementedError:
pass
else:
for vname in view_names:
e.execute(schema._DropView(
schema.Table(vname, schema.MetaData())
))
if config.requirements.schemas.enabled_for_config(cfg):
try:
view_names = inspector.get_view_names(
schema="test_schema")
except NotImplementedError:
pass
else:
for vname in view_names:
e.execute(schema._DropView(
schema.Table(vname, schema.MetaData(),
schema="test_schema")
))
util.drop_all_tables(e, inspector)
if config.requirements.schemas.enabled_for_config(cfg):
util.drop_all_tables(e, inspector, schema=cfg.test_schema)
if against(cfg, "postgresql"):
from sqlalchemy.dialects import postgresql
for enum in inspector.get_enums("*"):
e.execute(postgresql.DropEnumType(
postgresql.ENUM(
name=enum['name'],
schema=enum['schema']))) 示例3: _prep_testing_database
# 需要导入模块: from sqlalchemy.dialects import postgresql [as 别名]
# 或者: from sqlalchemy.dialects.postgresql import DropEnumType [as 别名]
def _prep_testing_database(options, file_config):
from alembic.testing import config
from alembic.testing.exclusions import against
from sqlalchemy import schema
from alembic import util
if util.sqla_08:
from sqlalchemy import inspect
else:
from sqlalchemy.engine.reflection import Inspector
inspect = Inspector.from_engine
if options.dropfirst:
for cfg in config.Config.all_configs():
e = cfg.db
inspector = inspect(e)
try:
view_names = inspector.get_view_names()
except NotImplementedError:
pass
else:
for vname in view_names:
e.execute(schema._DropView(
schema.Table(vname, schema.MetaData())
))
if config.requirements.schemas.enabled_for_config(cfg):
try:
view_names = inspector.get_view_names(
schema="test_schema")
except NotImplementedError:
pass
else:
for vname in view_names:
e.execute(schema._DropView(
schema.Table(vname, schema.MetaData(),
schema="test_schema")
))
for tname in reversed(inspector.get_table_names(
order_by="foreign_key")):
e.execute(schema.DropTable(
schema.Table(tname, schema.MetaData())
))
if config.requirements.schemas.enabled_for_config(cfg):
for tname in reversed(inspector.get_table_names(
order_by="foreign_key", schema="test_schema")):
e.execute(schema.DropTable(
schema.Table(tname, schema.MetaData(),
schema="test_schema")
))
if against(cfg, "postgresql") and util.sqla_100:
from sqlalchemy.dialects import postgresql
for enum in inspector.get_enums("*"):
e.execute(postgresql.DropEnumType(
postgresql.ENUM(
name=enum['name'],
schema=enum['schema']))) 示例4: _prep_testing_database
# 需要导入模块: from sqlalchemy.dialects import postgresql [as 别名]
# 或者: from sqlalchemy.dialects.postgresql import DropEnumType [as 别名]
def _prep_testing_database(options, file_config):
from alembic.testing import config
from alembic.testing.exclusions import against
from sqlalchemy import schema
from alembic import util
from sqlalchemy import inspect
if options.dropfirst:
for cfg in config.Config.all_configs():
e = cfg.db
inspector = inspect(e)
try:
view_names = inspector.get_view_names()
except NotImplementedError:
pass
else:
for vname in view_names:
e.execute(schema._DropView(
schema.Table(vname, schema.MetaData())
))
if config.requirements.schemas.enabled_for_config(cfg):
try:
view_names = inspector.get_view_names(
schema="test_schema")
except NotImplementedError:
pass
else:
for vname in view_names:
e.execute(schema._DropView(
schema.Table(vname, schema.MetaData(),
schema="test_schema")
))
for tname in reversed(inspector.get_table_names(
order_by="foreign_key")):
e.execute(schema.DropTable(
schema.Table(tname, schema.MetaData())
))
if config.requirements.schemas.enabled_for_config(cfg):
for tname in reversed(inspector.get_table_names(
order_by="foreign_key", schema="test_schema")):
e.execute(schema.DropTable(
schema.Table(tname, schema.MetaData(),
schema="test_schema")
))
if against(cfg, "postgresql") and util.sqla_100:
from sqlalchemy.dialects import postgresql
for enum in inspector.get_enums("*"):
e.execute(postgresql.DropEnumType(
postgresql.ENUM(
name=enum['name'],
schema=enum['schema'])))