sqlalchemy.dialects.postgresql.pg8000._PGEnum

Method

get​_dbapi​_type

Return the corresponding type object from the underlying DB-API, if any.

Inherited from ENUM:

Class Method	adapt​_emulated​_to​_native	Produce a PostgreSQL native _postgresql.ENUM from plain .Enum.
Method	__init__	Construct an _postgresql.ENUM.
Method	create	Emit CREATE TYPE for this _postgresql.ENUM.
Method	drop	Emit DROP TYPE for this _postgresql.ENUM.
Class	​Enum​Dropper	Undocumented
Class	​Enum​Generator	Undocumented
Method	​_check​_for​_name​_in​_memos	Look in the 'ddl runner' for 'memos', then note our name in that collection.
Method	​_on​_metadata​_create	Undocumented
Method	​_on​_metadata​_drop	Undocumented
Method	​_on​_table​_create	Undocumented
Method	​_on​_table​_drop	Undocumented
Class Variable	native​_enum	Undocumented
Instance Variable	create​_type	Undocumented

Inherited from NativeForEmulated (via ENUM):

Class Method

adapt​_native​_to​_emulated

Given an impl, adapt this type's class to the impl assuming "emulated".

Inherited from Enum (via ENUM):

Class	​Comparator	Undocumented
Method	__repr__	Undocumented
Method	​_db​_value​_for​_elem	Undocumented
Method	​_enum​_init	internal init for .Enum and subclasses.
Method	​_object​_value​_for​_elem	Undocumented
Method	​_parse​_into​_values	Undocumented
Method	​_set​_table	Undocumented
Method	​_setup​_for​_values	Undocumented
Method	​_should​_create​_constraint	Undocumented
Method	adapt	Produce an "adapted" form of this type, given an "impl" class to work with.
Method	adapt​_to​_emulated	Given an impl class, adapt this type to the impl assuming "emulated".
Method	as​_generic	Return an instance of the generic type corresponding to this type using heuristic rule. The method may be overridden if this heuristic rule is not sufficient.
Method	bind​_processor	Return a conversion function for processing bind values.
Method	copy	Undocumented
Method	literal​_processor	Return a conversion function for processing literal values that are to be rendered directly without using binds.
Method	result​_processor	Return a conversion function for processing result row values.
Class Variable	__visit​_name__	Undocumented
Instance Variable	​_object​_lookup	Undocumented
Instance Variable	​_omit​_aliases	Undocumented
Instance Variable	​_sort​_key​_function	Undocumented
Instance Variable	​_valid​_lookup	Undocumented
Instance Variable	create​_constraint	Undocumented
Instance Variable	enum​_class	Undocumented
Instance Variable	enums	Undocumented
Instance Variable	validate​_strings	Undocumented
Instance Variable	values​_callable	Undocumented
Property	​_enums​_argument	Undocumented
Property	native	Undocumented
Property	python​_type	Return the Python type object expected to be returned by instances of this type, if known.
Property	sort​_key​_function	A sorting function that can be passed as the key to sorted.

Inherited from String (via ENUM, Enum):

Constant	RETURNS​_BYTES	Undocumented
Constant	RETURNS​_CONDITIONAL	Undocumented
Constant	RETURNS​_UNICODE	Undocumented
Constant	RETURNS​_UNKNOWN	Undocumented
Class Method	​_warn​_deprecated​_unicode	Undocumented
Instance Variable	​_expect​_unicode	Undocumented
Instance Variable	​_expect​_unicode​_error	Undocumented
Instance Variable	​_warn​_on​_bytestring	Undocumented
Instance Variable	collation	Undocumented
Instance Variable	length	Undocumented

Inherited from TypeEngine (via ENUM, Enum, String):

Method	bind​_expression	Given a bind value (i.e. a .BindParameter instance), return a SQL expression in its place.
Method	coerce​_compared​_value	Suggest a type for a 'coerced' Python value in an expression.
Method	column​_expression	Given a SELECT column expression, return a wrapping SQL expression.
Method	compare​_against​_backend	Compare this type against the given backend type.
Method	compare​_values	Compare two values for equality.
Method	compile	Produce a string-compiled form of this .TypeEngine.
Method	dialect​_impl	Return a dialect-specific implementation for this .TypeEngine.
Method	evaluates​_none	Return a copy of this type which has the .should_evaluate_none flag set to True.
Method	with​_variant	Produce a new type object that will utilize the given type when applied to the dialect of the given name.
Class Variable	hashable	Flag, if False, means values from this type aren't hashable.
Class Variable	should​_evaluate​_none	If True, the Python constant None is considered to be handled explicitly by this type.
Static Method	​_to​_instance	Undocumented
Method	__str__	Undocumented
Method	​_cached​_bind​_processor	Return a dialect-specific bind processor for this type.
Method	​_cached​_custom​_processor	Undocumented
Method	​_cached​_literal​_processor	Return a dialect-specific literal processor for this type.
Method	​_cached​_result​_processor	Return a dialect-specific result processor for this type.
Method	​_compare​_type​_affinity	Undocumented
Method	​_default​_dialect	Undocumented
Method	​_dialect​_info	Return a dialect-specific registry which caches a dialect-specific implementation, bind processing function, and one or more result processing functions.
Method	​_gen​_dialect​_impl	Undocumented
Method	​_resolve​_for​_literal	adjust this type given a literal Python value that will be stored in a bound parameter.
Method	​_unwrapped​_dialect​_impl	Return the 'unwrapped' dialect impl for this type.
Method	copy​_value	Undocumented
Class Variable	​_is​_array	Undocumented
Class Variable	​_is​_table​_value	Undocumented
Class Variable	​_is​_tuple​_type	Undocumented
Class Variable	​_is​_type​_decorator	Undocumented
Class Variable	​_isnull	Undocumented
Class Variable	​_sqla​_type	Undocumented
Property	​_generic​_type​_affinity	Undocumented
Property	​_has​_bind​_expression	memoized boolean, check if bind_expression is implemented.
Property	​_has​_column​_expression	memoized boolean, check if column_expression is implemented.
Property	​_static​_cache​_key	Undocumented
Property	​_type​_affinity	Return a rudimental 'affinity' value expressing the general class of type.

Inherited from Traversible (via ENUM, Enum, String, TypeEngine):

Method	get​_children	Return immediate child .visitors.Traversible elements of this .visitors.Traversible.
Method	__class​_getitem__	Undocumented

Inherited from SchemaType (via ENUM, Enum):

Method	​_is​_impl​_for​_variant	Undocumented
Method	​_set​_parent	Associate with this SchemaEvent's parent object.
Method	​_variant​_mapping​_for​_set​_table	Undocumented
Class Variable	​_use​_schema​_map	Undocumented
Instance Variable	​_create​_events	Undocumented
Instance Variable	inherit​_schema	Undocumented
Instance Variable	metadata	Undocumented
Instance Variable	name	Undocumented
Instance Variable	schema	Undocumented
Property	bind	Undocumented

Inherited from SchemaEventTarget (via ENUM, Enum, SchemaType):

Method

​_set​_parent​_with​_dispatch

Undocumented