sqlalchemy.sql.traversals.HasCopyInternals

class documentation

class HasCopyInternals(HasTraverseInternals): (source)

Known subclasses: sqlalchemy.sql.base.ExecutableOption, sqlalchemy.sql.elements.ClauseElement, sqlalchemy.sql.selectable._MemoizedSelectEntities

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Undocumented

Class Variable	`__slots__`	Undocumented
Method	`_clone`	Undocumented
Method	`_copy_internals`	Reassign internal elements to be clones of themselves.

Inherited from HasTraverseInternals:

Method	`get_children`	Return immediate child :class:`.visitors.HasTraverseInternals` elements of this :class:`.visitors.HasTraverseInternals`.
Class Variable	`_is_immutable`	Undocumented
Class Variable	`_traverse_internals`	Undocumented

__slots__: tuple = (source) ¶

overrides sqlalchemy.sql.visitors.HasTraverseInternals.__slots__

overridden in sqlalchemy.sql.base.ExecutableOption

Undocumented

def _clone(self, **kw): (source) ¶

overridden in sqlalchemy.sql.base.ExecutableOption, sqlalchemy.sql.elements.ClauseElement, sqlalchemy.sql.selectable._MemoizedSelectEntities

Undocumented

def _copy_internals(self, *, omit_attrs: Iterable[str] = (), **kw: Any): (source) ¶

overridden in sqlalchemy.dialects.postgresql.aggregate_order_by, sqlalchemy.sql.elements.Label, sqlalchemy.sql.elements.TableValuedColumn, sqlalchemy.sql.lambdas.LambdaElement, sqlalchemy.sql.selectable.AliasedReturnsRows, sqlalchemy.sql.selectable.Join, sqlalchemy.sql.selectable.Select, sqlalchemy.sql.selectable.Select, sqlalchemy.sql.selectable.Select, sqlalchemy.sql.crud._multiparam_column

Reassign internal elements to be clones of themselves. Called during a copy-and-traverse operation on newly shallow-copied elements to create a deep copy. The given clone function should be used, which may be applying additional transformations to the element (i.e. replacement traversal, cloned traversal, annotations).