django.db.models.functions.ExtractMonth

class documentation

class ExtractMonth(Extract): (source)

Undocumented

Class Variable lookup_name Undocumented

Inherited from Extract:

Method	`__init__`	Undocumented
Method	`as_sql`	Responsible for returning a (sql, [params]) tuple to be included in the current query.
Method	`resolve_expression`	Provide the chance to do any preprocessing or validation before being added to the query.
Class Variable	`output_field`	Return the output type of this expressions.
Instance Variable	`tzinfo`	Undocumented

Inherited from TimezoneMixin (via Extract):

Method get_tzname Undocumented

Inherited from Transform (via Extract, TimezoneMixin):

Class Method	`get_lookups`	Undocumented
Class Method	`register_lookup`	Undocumented
Static Method	`merge_dicts`	Merge dicts in reverse to preference the order of the original list. e.g., merge_dicts([a, b]) will preference the keys in 'a' over those in 'b'.
Method	`get_lookup`	Undocumented
Method	`get_transform`	Undocumented
Class Method	`_clear_cached_lookups`	Undocumented
Class Method	`_get_lookup`	Undocumented
Class Method	`_unregister_lookup`	Remove given lookup from cls lookups. For use in tests only as it's not thread-safe.

Method	`__repr__`	Undocumented
Method	`copy`	Undocumented
Method	`get_source_expressions`	Undocumented
Method	`set_source_expressions`	Undocumented
Class Variable	`arg_joiner`	Undocumented
Class Variable	`function`	Undocumented
Class Variable	`template`	Undocumented
Instance Variable	`extra`	Undocumented
Instance Variable	`source_expressions`	Undocumented
Method	`_get_repr_options`	Return a dict of extra __init__() options to include in the repr.

Method as_sqlite Undocumented

Method	`__getstate__`	Undocumented
Method	`asc`	Undocumented
Method	`desc`	Undocumented
Method	`flatten`	Recursively yield this expression and all subexpressions, in depth-first order.
Method	`get_db_converters`	Undocumented
Method	`get_group_by_cols`	Undocumented
Method	`get_source_fields`	Return the underlying field types used by this aggregate.
Method	`prefix_references`	Undocumented
Method	`relabeled_clone`	Undocumented
Method	`replace_references`	Undocumented
Method	`reverse_ordering`	Undocumented
Method	`select_format`	Custom format for select clauses. For example, EXISTS expressions need to be wrapped in CASE WHEN on Oracle.
Class Variable	`filterable`	Undocumented
Class Variable	`is_summary`	Undocumented
Class Variable	`window_compatible`	Undocumented
Property	`conditional`	Undocumented
Property	`contains_aggregate`	Undocumented
Property	`contains_column_references`	Undocumented
Property	`contains_over_clause`	Undocumented
Property	`convert_value`	Expressions provide their own converters because users have the option of manually specifying the output_field which may be a different type from the one the database returns.
Property	`field`	Undocumented
Static Method	`_convert_value_noop`	Undocumented
Method	`_parse_expressions`	Undocumented
Method	`_resolve_output_field`	Attempt to infer the output type of the expression.
Class Variable	`_output_field_resolved_to_none`	Undocumented
Property	`_output_field_or_none`	Return the output field of this expression, or None if _resolve_output_field() didn't return an output type.

overrides django.db.models.functions.Extract.lookup_name

Undocumented