sqlalchemy.sql.schema.SchemaItem

class documentation

class SchemaItem(SchemaEventTarget, visitors.Visitable):

Known subclasses: sqlalchemy.sql.schema.Column, sqlalchemy.sql.schema.Computed, sqlalchemy.sql.schema.Constraint, sqlalchemy.sql.schema.DefaultGenerator, sqlalchemy.sql.schema.ForeignKey, sqlalchemy.sql.schema.Identity, sqlalchemy.sql.schema.Index, sqlalchemy.sql.schema.MetaData, sqlalchemy.sql.schema.Table

View In Hierarchy

Base class for items that define a database schema.

Method	`__repr__`	Undocumented
Method	`_init_items`	Initialize the list of child items for this SchemaItem.
Method	`_schema_item_copy`	Undocumented
Class Variable	`__visit_name__`	Undocumented
Class Variable	`_use_schema_map`	Undocumented
Class Variable	`create_drop_stringify_dialect`	Undocumented
Property	`info`	Info dictionary associated with the object, allowing user-defined data to be associated with this `.SchemaItem`.

Inherited from SchemaEventTarget:

Method	`_set_parent`	Associate with this SchemaEvent's parent object.
Method	`_set_parent_with_dispatch`	Undocumented

Inherited from Traversible:

Method	`get_children`	Return immediate child `.visitors.Traversible` elements of this `.visitors.Traversible`.
Method	`__class_getitem__`	Undocumented

def __repr__(self):

overridden in sqlalchemy.sql.schema.Column, sqlalchemy.sql.schema.ColumnDefault, sqlalchemy.sql.schema.ForeignKey, sqlalchemy.sql.schema.Index, sqlalchemy.sql.schema.MetaData, sqlalchemy.sql.schema.Table

Undocumented

def _init_items(self, *args, **kw):

Initialize the list of child items for this SchemaItem.

def _schema_item_copy(self, schema_item):

Undocumented

__visit_name__: str =

overridden in sqlalchemy.sql.schema.Column, sqlalchemy.sql.schema.Computed, sqlalchemy.sql.schema.Constraint, sqlalchemy.sql.schema.DefaultGenerator, sqlalchemy.sql.schema.ForeignKey, sqlalchemy.sql.schema.Identity, sqlalchemy.sql.schema.Index, sqlalchemy.sql.schema.MetaData, sqlalchemy.sql.schema.Table

Undocumented

_use_schema_map: bool =

Undocumented

create_drop_stringify_dialect: str =

overridden in sqlalchemy.dialects.postgresql.ExcludeConstraint

Undocumented

@util.memoized_property
info =

overridden in sqlalchemy.sql.schema.Column, sqlalchemy.sql.schema.Constraint, sqlalchemy.sql.schema.ForeignKey, sqlalchemy.sql.schema.Index, sqlalchemy.sql.schema.MetaData, sqlalchemy.sql.schema.Table

Info dictionary associated with the object, allowing user-defined data to be associated with this .SchemaItem.

The dictionary is automatically generated when first accessed. It can also be specified in the constructor of some objects, such as _schema.Table and _schema.Column.