sqlalchemy.sql.schema.SchemaItem

class documentation

class SchemaItem(SchemaEventTarget, visitors.Visitable): (source)

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.HasSchemaAttr, sqlalchemy.sql.schema.Identity, sqlalchemy.sql.schema.Index

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Base class for items that define a database schema.

Method	`__repr__`	Undocumented
Class Variable	`__visit_name__`	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 :class:`.SchemaItem`.
Method	`_init_items`	Initialize the list of child items for this SchemaItem.
Method	`_schema_item_copy`	Undocumented
Class Variable	`_use_schema_map`	Undocumented

Inherited from SchemaEventTarget:

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

Inherited from EventTarget (via SchemaEventTarget):

Class Variable __slots__ Undocumented

Inherited from Visitable (via SchemaEventTarget, EventTarget):

Method	`__class_getitem__`	Undocumented
Method	`__init_subclass__`	Undocumented
Class Method	`_generate_compiler_dispatch`	Undocumented
Method	`_compiler_dispatch`	Undocumented
Class Variable	`_original_compiler_dispatch`	Undocumented

def __repr__(self) -> str: (source) ¶

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

__visit_name__: str = (source) ¶

overrides sqlalchemy.sql.visitors.Visitable.__visit_name__

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.Sequence, sqlalchemy.sql.schema.Table

Undocumented

create_drop_stringify_dialect: str = (source) ¶

overridden in sqlalchemy.dialects.postgresql.ExcludeConstraint

Undocumented

@util.memoized_property
info: _InfoType = (source) ¶

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

def _init_items(self, *args: SchemaItem, **kw: Any): (source) ¶

Initialize the list of child items for this SchemaItem.

def _schema_item_copy(self, schema_item: _SI) -> _SI: (source) ¶

Undocumented

_use_schema_map: bool = (source) ¶

Undocumented