Represent a DROP SCHEMA statement. The argument here is the string name of the schema.
Method | __init__ |
Create a new :class:`.DropSchema` construct. |
Class Variable | __visit |
Undocumented |
Class Variable | stringify |
Undocumented |
Instance Variable | cascade |
Undocumented |
Inherited from _DropBase
:
Instance Variable | if |
Undocumented |
Inherited from _CreateDropBase
(via _DropBase
):
Instance Variable | element |
Undocumented |
Instance Variable | target |
Undocumented |
Method | _create |
Allow disable of _create_rule using a callable. |
Instance Variable | _ddl |
Undocumented |
Inherited from ExecutableDDLElement
(via _DropBase
, _CreateDropBase
):
Method | __call__ |
Execute the DDL as a ddl_listener. |
Method | against |
Return a copy of this :class:`_schema.ExecutableDDLElement` which will include the given target. |
Method | execute |
Return a callable that will execute this :class:`_ddl.ExecutableDDLElement` conditionally within an event handler. |
Method | _execute |
Undocumented |
Method | _generate |
Undocumented |
Method | _invoke |
Undocumented |
Method | _should |
Undocumented |
Inherited from DDLRole
(via _DropBase
, _CreateDropBase
, ExecutableDDLElement
):
Class Variable | __slots__ |
Undocumented |
Inherited from Executable
(via _DropBase
, _CreateDropBase
, ExecutableDDLElement
, DDLRole
):
Method | execution |
Set non-SQL options for the statement which take effect during execution. |
Method | get |
Get the non-SQL options which will take effect during execution. |
Method | options |
Apply options to this statement. |
Class Variable | is |
Undocumented |
Class Variable | is |
Undocumented |
Class Variable | is |
Undocumented |
Class Variable | is |
Undocumented |
Class Variable | is |
Undocumented |
Class Variable | is |
Undocumented |
Class Variable | supports |
Undocumented |
Method | _add |
Add a context option to this statement. |
Method | _compile |
Undocumented |
Method | _execute |
Undocumented |
Method | _set |
Assign the compile options to a new value. |
Method | _update |
update the _compile_options with new keys. |
Class Variable | _executable |
Undocumented |
Class Variable | _is |
Undocumented |
Class Variable | _with |
Undocumented |
Class Variable | _with |
Undocumented |
Instance Variable | _compile |
Undocumented |
Instance Variable | _execution |
Undocumented |
Property | _all |
Undocumented |
Property | _effective |
Undocumented |
Inherited from StatementRole
(via _DropBase
, _CreateDropBase
, ExecutableDDLElement
, DDLRole
, Executable
):
Class Variable | _role |
Undocumented |
Property | _propagate |
Undocumented |
Inherited from SQLRole
(via _DropBase
, _CreateDropBase
, ExecutableDDLElement
, DDLRole
, Executable
, StatementRole
):
Class Variable | allows |
Undocumented |
Class Variable | uses |
Undocumented |
Inherited from BaseDDLElement
(via _DropBase
, _CreateDropBase
, ExecutableDDLElement
, DDLRole
, Executable
, StatementRole
, SQLRole
):
Method | _compiler |
Return a compiler appropriate for this ClauseElement, given a Dialect. |
Class Variable | _hierarchy |
disable cache warnings for all _DDLCompiles subclasses. |
Inherited from ClauseElement
(via _DropBase
, _CreateDropBase
, ExecutableDDLElement
, DDLRole
, Executable
, StatementRole
, SQLRole
, BaseDDLElement
):
Method | __bool__ |
Undocumented |
Method | __getstate__ |
Undocumented |
Method | __invert__ |
Undocumented |
Method | __repr__ |
Undocumented |
Method | compare |
Compare this :class:`_expression.ClauseElement` to the given :class:`_expression.ClauseElement`. |
Method | get |
Return immediate child :class:`.visitors.HasTraverseInternals` elements of this :class:`.visitors.HasTraverseInternals`. |
Method | params |
Return a copy with :func:`_expression.bindparam` elements replaced. |
Method | self |
Apply a 'grouping' to this :class:`_expression.ClauseElement`. |
Method | unique |
Return a copy with :func:`_expression.bindparam` elements replaced. |
Class Variable | is |
Undocumented |
Class Variable | is |
Undocumented |
Class Variable | negation |
Undocumented |
Property | description |
Undocumented |
Property | entity |
Undocumented |
Method | _clone |
Create a shallow copy of this ClauseElement. |
Method | _cloned |
Return the set consisting all cloned ancestors of this ClauseElement. |
Method | _negate |
Undocumented |
Method | _negate |
a hook to allow the right side of a binary expression to respond to a negation of the binary expression. |
Method | _replace |
Undocumented |
Method | _set |
Undocumented |
Method | _ungroup |
Return this :class:`_expression.ClauseElement` without any groupings. |
Method | _with |
in the context of binary expression, convert the type of this object to the one given. |
Class Variable | _cache |
Undocumented |
Class Variable | _gen |
Undocumented |
Class Variable | _is |
Undocumented |
Class Variable | _is |
Undocumented |
Class Variable | _is |
Undocumented |
Class Variable | _is |
Undocumented |
Class Variable | _is |
Undocumented |
Class Variable | _is |
Undocumented |
Class Variable | _is |
Undocumented |
Class Variable | _is |
Undocumented |
Class Variable | _is |
Undocumented |
Class Variable | _is |
Undocumented |
Class Variable | _is |
Undocumented |
Class Variable | _is |
Undocumented |
Class Variable | _is |
Undocumented |
Class Variable | _is |
Undocumented |
Class Variable | _is |
Undocumented |
Class Variable | _is |
Undocumented |
Class Variable | _is |
Undocumented |
Class Variable | _is |
Undocumented |
Property | _constructor |
return the 'constructor' for this ClauseElement. |
Property | _from |
Undocumented |
Property | _order |
Undocumented |
Inherited from SupportsWrappingAnnotations
(via _DropBase
, _CreateDropBase
, ExecutableDDLElement
, DDLRole
, Executable
, StatementRole
, SQLRole
, BaseDDLElement
, ClauseElement
):
Method | _annotate |
return a copy of this ClauseElement with annotations updated by the given dictionary. |
Method | _deannotate |
return a copy of this :class:`_expression.ClauseElement` with annotations removed. |
Method | _with |
return a copy of this ClauseElement with annotations replaced by the given dictionary. |
Inherited from SupportsAnnotations
(via _DropBase
, _CreateDropBase
, ExecutableDDLElement
, DDLRole
, Executable
, StatementRole
, SQLRole
, BaseDDLElement
, ClauseElement
, SupportsWrappingAnnotations
):
Class Variable | proxy |
Undocumented |
Method | _gen |
Undocumented |
Property | _annotations |
Undocumented |
Inherited from MemoizedHasCacheKey
(via _DropBase
, _CreateDropBase
, ExecutableDDLElement
, DDLRole
, Executable
, StatementRole
, SQLRole
, BaseDDLElement
, ClauseElement
, SupportsWrappingAnnotations
, SupportsAnnotations
):
Method | _generate |
return a cache key. |
Inherited from HasCacheKey
(via _DropBase
, _CreateDropBase
, ExecutableDDLElement
, DDLRole
, Executable
, StatementRole
, SQLRole
, BaseDDLElement
, ClauseElement
, SupportsWrappingAnnotations
, SupportsAnnotations
, MemoizedHasCacheKey
):
Class Variable | inherit |
Indicate if this :class:`.HasCacheKey` instance should make use of the cache key generation scheme used by its immediate superclass. |
Class Method | _generate |
generate cache key dispatcher for a new class. |
Class Method | _generate |
Undocumented |
Method | _gen |
return an optional cache key. |
Class Variable | _generated |
Undocumented |
Class Variable | _is |
Undocumented |
Inherited from HasCopyInternals
(via _DropBase
, _CreateDropBase
, ExecutableDDLElement
, DDLRole
, Executable
, StatementRole
, SQLRole
, BaseDDLElement
, ClauseElement
, SupportsWrappingAnnotations
, SupportsAnnotations
, MemoizedHasCacheKey
, HasCacheKey
):
Method | _copy |
Reassign internal elements to be clones of themselves. |
Inherited from HasTraverseInternals
(via _DropBase
, _CreateDropBase
, ExecutableDDLElement
, DDLRole
, Executable
, StatementRole
, SQLRole
, BaseDDLElement
, ClauseElement
, SupportsWrappingAnnotations
, SupportsAnnotations
, MemoizedHasCacheKey
, HasCacheKey
, HasCopyInternals
, ExternallyTraversible
):
Class Variable | _traverse |
Undocumented |
Inherited from CompilerElement
(via _DropBase
, _CreateDropBase
, ExecutableDDLElement
, DDLRole
, Executable
, StatementRole
, SQLRole
, BaseDDLElement
, ClauseElement
, SupportsWrappingAnnotations
, SupportsAnnotations
, MemoizedHasCacheKey
, HasCacheKey
, HasCopyInternals
, ExternallyTraversible
, HasTraverseInternals
):
Method | __str__ |
Undocumented |
Method | compile |
Compile this SQL expression. |
Inherited from Visitable
(via _DropBase
, _CreateDropBase
, ExecutableDDLElement
, DDLRole
, Executable
, StatementRole
, SQLRole
, BaseDDLElement
, ClauseElement
, SupportsWrappingAnnotations
, SupportsAnnotations
, MemoizedHasCacheKey
, HasCacheKey
, HasCopyInternals
, ExternallyTraversible
, HasTraverseInternals
, CompilerElement
):
Method | __class |
Undocumented |
Method | __init |
Undocumented |
Class Method | _generate |
Undocumented |
Method | _compiler |
Undocumented |
Class Variable | _original |
Undocumented |