Python alembic.op 模块，reverse() 实例源码
我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用alembic.op.reverse()。
def reverse(self):
return DropConstraintOp.from_constraint(self.to_constraint())
def reverse(self):
if self._orig_constraint is None:
raise ValueError(
"operation is not reversible; "
"original constraint is not present")
return AddConstraintOp.from_constraint(self._orig_constraint)
def reverse(self):
return DropIndexOp.from_index(self.to_index())
def reverse(self):
if self._orig_index is None:
raise ValueError(
"operation is not reversible; "
"original index is not present")
return CreateIndexOp.from_index(self._orig_index)
def reverse(self):
return DropTableOp.from_table(self.to_table())
def reverse(self):
kw = self.kw.copy()
kw['existing_type'] = self.existing_type
kw['existing_nullable'] = self.existing_nullable
kw['existing_server_default'] = self.existing_server_default
if self.modify_type is not None:
kw['modify_type'] = self.modify_type
if self.modify_nullable is not None:
kw['modify_nullable'] = self.modify_nullable
if self.modify_server_default is not False:
kw['modify_server_default'] = self.modify_server_default
# TODO: make this a little simpler
all_keys = set(m.group(1) for m in [
re.match(r'^(?:existing_|modify_)(.+)$', k)
for k in kw
] if m)
for k in all_keys:
if 'modify_%s' % k in kw:
swap = kw['existing_%s' % k]
kw['existing_%s' % k] = kw['modify_%s' % k]
kw['modify_%s' % k] = swap
return self.__class__(
self.table_name, self.column_name, schema=self.schema,
**kw
)
def reverse(self):
return DropColumnOp.from_column_and_tablename(
self.schema, self.table_name, self.column)
def reverse(self):
if self._orig_column is None:
raise ValueError(
"operation is not reversible; "
"original column is not present")
return AddColumnOp.from_column_and_tablename(
self.schema, self._orig_column)
def reverse(self):
return ModifyTableOps(
self.table_name,
ops=list(reversed(
[op.reverse() for op in self.ops]
)),
schema=self.schema
)
def reverse_into(self, downgrade_ops):
downgrade_ops.ops[:] = list(reversed(
[op.reverse() for op in self.ops]
))
return downgrade_ops
def reverse(self):
return UpgradeOps(
ops=list(reversed(
[op.reverse() for op in self.ops]
))
)
def reverse(self):
return DropConstraintOp.from_constraint(self.to_constraint())
def reverse(self):
if self._orig_constraint is None:
raise ValueError(
"operation is not reversible; "
"original constraint is not present")
return AddConstraintOp.from_constraint(self._orig_constraint)
def reverse(self):
return DropIndexOp.from_index(self.to_index())
def reverse(self):
if self._orig_index is None:
raise ValueError(
"operation is not reversible; "
"original index is not present")
return CreateIndexOp.from_index(self._orig_index)
def reverse(self):
return DropTableOp.from_table(self.to_table())
def reverse(self):
kw = self.kw.copy()
kw['existing_type'] = self.existing_type
kw['existing_nullable'] = self.existing_nullable
kw['existing_server_default'] = self.existing_server_default
if self.modify_type is not None:
kw['modify_type'] = self.modify_type
if self.modify_nullable is not None:
kw['modify_nullable'] = self.modify_nullable
if self.modify_server_default is not False:
kw['modify_server_default'] = self.modify_server_default
# TODO: make this a little simpler
all_keys = set(m.group(1) for m in [
re.match(r'^(?:existing_|modify_)(.+)$',
**kw
)
def reverse(self):
return DropColumnOp.from_column_and_tablename(
self.schema, self.column)
def reverse(self):
if self._orig_column is None:
raise ValueError(
"operation is not reversible; "
"original column is not present")
return AddColumnOp.from_column_and_tablename(
self.schema, self._orig_column)
def reverse(self):
return ModifyTableOps(
self.table_name,
schema=self.schema
)
def reverse_into(self, downgrade_ops):
downgrade_ops.ops[:] = list(reversed(
[op.reverse() for op in self.ops]
))
return downgrade_ops
def reverse(self):
return UpgradeOps(
ops=list(reversed(
[op.reverse() for op in self.ops]
))
)
def reverse(self):
return DropConstraintOp.from_constraint(self.to_constraint())
def reverse(self):
if self._orig_constraint is None:
raise ValueError(
"operation is not reversible; "
"original constraint is not present")
return AddConstraintOp.from_constraint(self._orig_constraint)
def reverse(self):
return DropIndexOp.from_index(self.to_index())
def reverse(self):
if self._orig_index is None:
raise ValueError(
"operation is not reversible; "
"original index is not present")
return CreateIndexOp.from_index(self._orig_index)
def reverse(self):
return DropTableOp.from_table(self.to_table())
def reverse(self):
kw = self.kw.copy()
kw['existing_type'] = self.existing_type
kw['existing_nullable'] = self.existing_nullable
kw['existing_server_default'] = self.existing_server_default
if self.modify_type is not None:
kw['modify_type'] = self.modify_type
if self.modify_nullable is not None:
kw['modify_nullable'] = self.modify_nullable
if self.modify_server_default is not False:
kw['modify_server_default'] = self.modify_server_default
# TODO: make this a little simpler
all_keys = set(m.group(1) for m in [
re.match(r'^(?:existing_|modify_)(.+)$',
**kw
)
def reverse(self):
return DropColumnOp.from_column_and_tablename(
self.schema, self.column)
def reverse(self):
if self._orig_column is None:
raise ValueError(
"operation is not reversible; "
"original column is not present")
return AddColumnOp.from_column_and_tablename(
self.schema, self._orig_column)
def reverse(self):
return ModifyTableOps(
self.table_name,
schema=self.schema
)
def reverse_into(self, downgrade_ops):
downgrade_ops.ops[:] = list(reversed(
[op.reverse() for op in self.ops]
))
return downgrade_ops
def reverse(self):
return UpgradeOps(
ops=list(reversed(
[op.reverse() for op in self.ops]
))
)
def reverse(self):
return DropConstraintOp.from_constraint(self.to_constraint())
def reverse(self):
if self._orig_constraint is None:
raise ValueError(
"operation is not reversible; "
"original constraint is not present")
return AddConstraintOp.from_constraint(self._orig_constraint)
def reverse(self):
return DropIndexOp.from_index(self.to_index())
def reverse(self):
if self._orig_index is None:
raise ValueError(
"operation is not reversible; "
"original index is not present")
return CreateIndexOp.from_index(self._orig_index)
def reverse(self):
return DropTableOp.from_table(self.to_table())
def reverse(self):
kw = self.kw.copy()
kw['existing_type'] = self.existing_type
kw['existing_nullable'] = self.existing_nullable
kw['existing_server_default'] = self.existing_server_default
if self.modify_type is not None:
kw['modify_type'] = self.modify_type
if self.modify_nullable is not None:
kw['modify_nullable'] = self.modify_nullable
if self.modify_server_default is not False:
kw['modify_server_default'] = self.modify_server_default
# TODO: make this a little simpler
all_keys = set(m.group(1) for m in [
re.match(r'^(?:existing_|modify_)(.+)$',
**kw
)
def reverse(self):
return DropColumnOp.from_column_and_tablename(
self.schema, self.column)
def reverse(self):
if self._orig_column is None:
raise ValueError(
"operation is not reversible; "
"original column is not present")
return AddColumnOp.from_column_and_tablename(
self.schema, self._orig_column)
def reverse(self):
return ModifyTableOps(
self.table_name,
schema=self.schema
)
def reverse_into(self, downgrade_ops):
downgrade_ops.ops[:] = list(reversed(
[op.reverse() for op in self.ops]
))
return downgrade_ops
def reverse(self):
return UpgradeOps(
ops=list(reversed(
[op.reverse() for op in self.ops]
))
)
def reverse(self):
return DropConstraintOp.from_constraint(self.to_constraint())
def reverse(self):
if self._orig_constraint is None:
raise ValueError(
"operation is not reversible; "
"original constraint is not present")
return AddConstraintOp.from_constraint(self._orig_constraint)
def reverse(self):
return DropIndexOp.from_index(self.to_index())
def reverse(self):
if self._orig_index is None:
raise ValueError(
"operation is not reversible; "
"original index is not present")
return CreateIndexOp.from_index(self._orig_index)
def reverse(self):
return DropTableOp.from_table(self.to_table())
def reverse(self):
kw = self.kw.copy()
kw['existing_type'] = self.existing_type
kw['existing_nullable'] = self.existing_nullable
kw['existing_server_default'] = self.existing_server_default
if self.modify_type is not None:
kw['modify_type'] = self.modify_type
if self.modify_nullable is not None:
kw['modify_nullable'] = self.modify_nullable
if self.modify_server_default is not False:
kw['modify_server_default'] = self.modify_server_default
# TODO: make this a little simpler
all_keys = set(m.group(1) for m in [
re.match(r'^(?:existing_|modify_)(.+)$',
**kw
)
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