Class IsNull

django.db.models.lookups.IsNull

Declaration

@Field.register_lookup
class IsNull(BuiltinLookup)

Methods

▶ def as_sql(self, compiler, connection) override
source link
This method overrides django.db.models.lookups.BuiltinLookup.as_sql.

Inherited methods

Methods inherited from django.db.models.lookups.BuiltinLookup:
get_rhs_op, process_lhs
Methods inherited from django.db.models.lookups.Lookup:
__eq__, __hash__, __init__, apply_bilateral_transforms, as_oracle, batch_process_rhs, contains_aggregate, contains_over_clause, get_db_prep_lookup, get_group_by_cols, get_prep_lookup, get_source_expressions, identity, is_summary, process_rhs, relabeled_clone, rhs_is_direct_value, set_source_expressions

Subclasses

Reexports

Imported in django.db.models.fields.related_lookups.