Class KeyTransform

django.db.models.fields.json.KeyTransform

Declaration

class KeyTransform(Transform)

Methods

▶ def __init__(self, key_name, *args, **kwargs) override
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This method overrides django.db.models.expressions.Func.__init__.
Overrides
This method is overriden in:
- django.contrib.postgres.fields.jsonb.KeyTransform
- django.contrib.postgres.fields.jsonb.KeyTextTransform
▷ def as_mysql(self, compiler, connection)
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▷ def as_oracle(self, compiler, connection)
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▷ def as_postgresql(self, compiler, connection)
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▶ def as_sqlite(self, compiler, connection) override
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This method overrides django.db.models.expressions.SQLiteNumericMixin.as_sqlite.
▷ def preprocess_lhs(self, compiler, connection, lhs_only=False)
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Inherited methods

Methods inherited from django.db.models.lookups.Transform:
get_bilateral_transforms, lhs
Methods inherited from django.db.models.query_utils.RegisterLookupMixin:
get_lookup, get_lookups, get_transform, merge_dicts, register_lookup
Methods inherited from django.db.models.expressions.Func:
__repr__, as_sql, copy, get_source_expressions, resolve_expression, set_source_expressions
Methods inherited from django.db.models.expressions.BaseExpression:
__eq__, __getstate__, __hash__, asc, conditional, contains_aggregate, contains_column_references, contains_over_clause, convert_value, desc, field, flatten, get_db_converters, get_group_by_cols, get_source_fields, identity, output_field, relabeled_clone, reverse_ordering, select_format
Methods inherited from django.db.models.expressions.Combinable:
__add__, __and__, __mod__, __mul__, __neg__, __or__, __pow__, __radd__, __rand__, __rmod__, __rmul__, __ror__, __rpow__, __rsub__, __rtruediv__, __sub__, __truediv__, bitand, bitleftshift, bitor, bitrightshift, bitxor

Subclasses

Reexports

Imported in django.contrib.postgres.fields.jsonb as BuiltinKeyTransform.