sqlalchemy.sql.schema.DefaultGenerator

class documentation

class DefaultGenerator(Executable, SchemaItem): (source)

Known subclasses: sqlalchemy.sql.schema.ColumnDefault, sqlalchemy.sql.schema.Sequence

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Base class for column *default* values.

Method __init__ Undocumented
Class Variable __visit_name__ Undocumented
Class Variable is_callable Undocumented
Class Variable is_clause_element Undocumented
Class Variable is_scalar Undocumented
Class Variable is_sequence Undocumented
Class Variable is_server_default Undocumented
Instance Variable column Undocumented
Instance Variable for_update Undocumented
Method _copy Undocumented
Method _execute_on_connection Undocumented
Method _execute_on_scalar Undocumented
Method _set_parent Associate with this SchemaEvent's parent object.
Class Variable _is_default_generator Undocumented

Inherited from Executable:

Method execution_options Set non-SQL options for the statement which take effect during execution.
Method get_execution_options Get the non-SQL options which will take effect during execution.
Method options Apply options to this statement.
Class Variable is_delete Undocumented
Class Variable is_dml Undocumented
Class Variable is_insert Undocumented
Class Variable is_select Undocumented
Class Variable is_text Undocumented
Class Variable is_update Undocumented
Class Variable supports_execution Undocumented
Method _add_context_option Add a context option to this statement.
Method _compile_w_cache Undocumented
Method _set_compile_options Assign the compile options to a new value.
Method _update_compile_options update the _compile_options with new keys.
Class Variable _executable_traverse_internals Undocumented
Class Variable _with_context_options Undocumented
Class Variable _with_options Undocumented
Instance Variable _compile_options Undocumented
Instance Variable _execution_options Undocumented
Property _all_selected_columns Undocumented
Property _effective_plugin_target Undocumented

Inherited from StatementRole (via Executable):

Class Variable __slots__ Undocumented
Class Variable _role_name Undocumented
Property _propagate_attrs Undocumented

Inherited from SQLRole (via Executable, StatementRole):

Class Variable allows_lambda Undocumented
Class Variable uses_inspection Undocumented

Inherited from SchemaItem (via Executable, StatementRole, SQLRole):

Method __repr__ 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 (via Executable, StatementRole, SQLRole, SchemaItem):

Class Variable dispatch Undocumented
Method _set_parent_with_dispatch Undocumented

Inherited from Visitable (via Executable, StatementRole, SQLRole, SchemaItem, 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 __init__(self, for_update: bool = False): (source)
overridden in sqlalchemy.sql.schema.CallableColumnDefault, sqlalchemy.sql.schema.ColumnElementColumnDefault, sqlalchemy.sql.schema.ScalarElementColumnDefault, sqlalchemy.sql.schema.Sequence

Undocumented

__visit_name__: str = (source)
overrides sqlalchemy.sql.base.Executable.__visit_name__
overridden in sqlalchemy.sql.schema.Sequence

Undocumented

is_callable: bool = (source)
overridden in sqlalchemy.sql.schema.CallableColumnDefault

Undocumented

is_clause_element: bool = (source)
overridden in sqlalchemy.sql.schema.ColumnElementColumnDefault

Undocumented

is_scalar: bool = (source)
overridden in sqlalchemy.sql.schema.ScalarElementColumnDefault

Undocumented

is_sequence: bool = (source)
overridden in sqlalchemy.sql.schema.Sequence

Undocumented

is_server_default: bool = (source)

Undocumented

column = (source)
overridden in sqlalchemy.sql.schema.Sequence

Undocumented

for_update = (source)
overridden in sqlalchemy.sql.schema.CallableColumnDefault, sqlalchemy.sql.schema.ColumnElementColumnDefault, sqlalchemy.sql.schema.ScalarElementColumnDefault

Undocumented

def _copy(self) -> DefaultGenerator: (source)
overridden in sqlalchemy.sql.schema.CallableColumnDefault, sqlalchemy.sql.schema.ColumnElementColumnDefault, sqlalchemy.sql.schema.ScalarElementColumnDefault, sqlalchemy.sql.schema.Sequence

Undocumented

def _execute_on_connection(self, connection: Connection, distilled_params: _CoreMultiExecuteParams, execution_options: CoreExecuteOptionsParameter) -> Any: (source)
overrides sqlalchemy.sql.base.Executable._execute_on_connection

Undocumented

def _execute_on_scalar(self, connection: Connection, distilled_params: _CoreMultiExecuteParams, execution_options: CoreExecuteOptionsParameter) -> Any: (source)
overrides sqlalchemy.sql.base.Executable._execute_on_scalar

Undocumented

def _set_parent(self, parent: SchemaEventTarget, **kw: Any): (source)
overrides sqlalchemy.sql.base.SchemaEventTarget._set_parent
overridden in sqlalchemy.sql.schema.Sequence

Associate with this SchemaEvent's parent object.

_is_default_generator: bool = (source)
overrides sqlalchemy.sql.base.Executable._is_default_generator

Undocumented