sqlalchemy.sql.selectable.TableSample

Class Variable	__visit_name__	Undocumented
Instance Variable	sampling	Undocumented
Instance Variable	seed	Undocumented
Class Method	_factory	Undocumented
Method	_get_method	Undocumented
Method	_init	Undocumented
Class Variable	_traverse_internals	Undocumented

Inherited from FromClauseAlias:

Class Variable

element

Undocumented

Inherited from AliasedReturnsRows (via FromClauseAlias):

Method	is_derived_from	Return ``True`` if this :class:`_expression.FromClause` is 'derived' from the given ``FromClause``.
Instance Variable	name	Undocumented
Property	description	A brief description of this :class:`_expression.FromClause`.
Property	implicit_returning	Undocumented
Property	original	Legacy for dialects that are referring to Alias.original.
Class Method	_construct	Undocumented
Method	_copy_internals	Reassign internal elements to be clones of themselves.
Method	_populate_column_collection	Called on subclasses to establish the .c collection.
Method	_refresh_for_new_column	Given a column added to the .c collection of an underlying selectable, produce the local version of that column, assuming this selectable ultimately should proxy this column.
Class Variable	_is_from_container	Undocumented
Class Variable	_supports_derived_columns	Undocumented
Instance Variable	_orig_name	Undocumented
Property	_from_objects	Undocumented

Inherited from NoInit (via FromClauseAlias, AliasedReturnsRows):

Method

__init__

Undocumented

Inherited from NamedFromClause (via FromClauseAlias, AliasedReturnsRows, NoInit):

Method	table_valued	Return a :class:`_sql.TableValuedColumn` object for this :class:`_expression.FromClause`.
Class Variable	named_with_column	Undocumented

Inherited from FromClause (via FromClauseAlias, AliasedReturnsRows, NoInit, NamedFromClause):

Method	alias	Return an alias of this :class:`_expression.FromClause`.
Method	join	Return a :class:`_expression.Join` from this :class:`_expression.FromClause` to another :class:`FromClause`.
Method	outerjoin	Return a :class:`_expression.Join` from this :class:`_expression.FromClause` to another :class:`FromClause`, with the "isouter" flag set to True.
Method	select	Return a SELECT of this :class:`_expression.FromClause`.
Method	self_group	Apply a 'grouping' to this :class:`_expression.ClauseElement`.
Method	tablesample	Return a TABLESAMPLE alias of this :class:`_expression.FromClause`.
Class Variable	is_selectable	Undocumented
Class Variable	schema	Define the 'schema' attribute for this :class:`_expression.FromClause`.
Instance Variable	foreign_keys	Return the collection of :class:`_schema.ForeignKey` marker objects which this FromClause references.
Instance Variable	primary_key	Return the iterable collection of :class:`_schema.Column` objects which comprise the primary key of this :class:`_selectable.FromClause`.
Property	c	A synonym for :attr:`.FromClause.columns`
Property	columns	A named-based collection of :class:`_expression.ColumnElement` objects maintained by this :class:`_expression.FromClause`.
Property	entity_namespace	Return a namespace used for name-based access in SQL expressions.
Property	exported_columns	A :class:`_expression.ColumnCollection` that represents the "exported" columns of this :class:`_expression.Selectable`.
Method	_anonymous_fromclause	Undocumented
Method	_generate_fromclause_column_proxies	Populate columns into an :class:`.AliasedReturnsRows` object.
Method	_init_collections	Undocumented
Method	_is_lexical_equivalent	Return ``True`` if this :class:`_expression.FromClause` and the other represent the same lexical identity.
Method	_reset_column_collection	Reset the attributes linked to the ``FromClause.c`` attribute.
Class Variable	_is_clone_of	Undocumented
Class Variable	_is_from_clause	Undocumented
Class Variable	_is_join	Undocumented
Class Variable	_use_schema_map	Undocumented
Instance Variable	_columns	Undocumented
Property	_cols_populated	Undocumented
Property	_hide_froms	Undocumented
Property	_select_iterable	Undocumented

Inherited from AnonymizedFromClauseRole (via FromClauseAlias, AliasedReturnsRows, NoInit, NamedFromClause, FromClause):

Class Variable

__slots__

Undocumented

Inherited from FromClauseRole (via FromClauseAlias, AliasedReturnsRows, NoInit, NamedFromClause, FromClause, AnonymizedFromClauseRole, StrictFromClauseRole):

Class Variable	_is_subquery	Undocumented
Class Variable	_role_name	Undocumented

Inherited from AllowsLambdaRole (via FromClauseAlias, AliasedReturnsRows, NoInit, NamedFromClause, FromClause, AnonymizedFromClauseRole, StrictFromClauseRole, FromClauseRole, ColumnsClauseRole, JoinTargetRole):

Class Variable

allows_lambda

Undocumented

Inherited from UsesInspection (via FromClauseAlias, AliasedReturnsRows, NoInit, NamedFromClause, FromClause, AnonymizedFromClauseRole, StrictFromClauseRole, FromClauseRole, ColumnsClauseRole, JoinTargetRole, AllowsLambdaRole):

Class Variable	uses_inspection	Undocumented
Class Variable	_post_inspect	Undocumented

Inherited from Selectable (via FromClauseAlias, AliasedReturnsRows, NoInit, NamedFromClause, FromClause, AnonymizedFromClauseRole, StrictFromClauseRole, FromClauseRole, ColumnsClauseRole, JoinTargetRole, AllowsLambdaRole, UsesInspection, ColumnListRole, StructuralRole):

Method	corresponding_column	Given a :class:`_expression.ColumnElement`, return the exported :class:`_expression.ColumnElement` object from the :attr:`_expression.Selectable.exported_columns` collection of this :class:`_expression...
Method	lateral	Return a LATERAL alias of this :class:`_expression.Selectable`.
Method	replace_selectable	Replace all occurrences of :class:`_expression.FromClause` 'old' with the given :class:`_expression.Alias` object, returning a copy of this :class:`_expression.FromClause`.

Inherited from ReturnsRows (via FromClauseAlias, AliasedReturnsRows, NoInit, NamedFromClause, FromClause, AnonymizedFromClauseRole, StrictFromClauseRole, FromClauseRole, ColumnsClauseRole, JoinTargetRole, AllowsLambdaRole, UsesInspection, ColumnListRole, StructuralRole, Selectable):

Property	selectable	Undocumented
Class Variable	_is_lateral	Undocumented
Class Variable	_is_returns_rows	Undocumented
Class Variable	_is_select_base	Undocumented
Class Variable	_is_select_statement	Undocumented
Property	_all_selected_columns	A sequence of column expression objects that represents the "selected" columns of this :class:`_expression.ReturnsRows`.

Inherited from DQLDMLClauseElement (via FromClauseAlias, AliasedReturnsRows, NoInit, NamedFromClause, FromClause, AnonymizedFromClauseRole, StrictFromClauseRole, FromClauseRole, ColumnsClauseRole, JoinTargetRole, AllowsLambdaRole, UsesInspection, ColumnListRole, StructuralRole, Selectable, ReturnsRows, ReturnsRowsRole, SQLRole):

Method	compile	Compile this SQL expression.
Method	_compiler	Return a compiler appropriate for this ClauseElement, given a Dialect.

Inherited from ClauseElement (via FromClauseAlias, AliasedReturnsRows, NoInit, NamedFromClause, FromClause, AnonymizedFromClauseRole, StrictFromClauseRole, FromClauseRole, ColumnsClauseRole, JoinTargetRole, AllowsLambdaRole, UsesInspection, ColumnListRole, StructuralRole, Selectable, ReturnsRows, ReturnsRowsRole, SQLRole, DQLDMLClauseElement):

Method	__bool__	Undocumented
Method	__getstate__	Undocumented
Method	__invert__	Undocumented
Method	__repr__	Undocumented
Method	compare	Compare this :class:`_expression.ClauseElement` to the given :class:`_expression.ClauseElement`.
Method	get_children	Return immediate child :class:`.visitors.HasTraverseInternals` elements of this :class:`.visitors.HasTraverseInternals`.
Method	params	Return a copy with :func:`_expression.bindparam` elements replaced.
Method	unique_params	Return a copy with :func:`_expression.bindparam` elements replaced.
Class Variable	is_clause_element	Undocumented
Class Variable	is_dml	Undocumented
Class Variable	negation_clause	Undocumented
Method	_clone	Create a shallow copy of this ClauseElement.
Method	_cloned_set	Return the set consisting all cloned ancestors of this ClauseElement.
Method	_compile_w_cache	Undocumented
Method	_execute_on_connection	Undocumented
Method	_execute_on_scalar	an additional hook for subclasses to provide a different implementation for connection.scalar() vs. connection.execute().
Method	_negate	Undocumented
Method	_negate_in_binary	a hook to allow the right side of a binary expression to respond to a negation of the binary expression.
Method	_replace_params	Undocumented
Method	_set_propagate_attrs	Undocumented
Method	_ungroup	Return this :class:`_expression.ClauseElement` without any groupings.
Method	_with_binary_element_type	in the context of binary expression, convert the type of this object to the one given.
Class Variable	_cache_key_traversal	Undocumented
Class Variable	_gen_static_annotations_cache_key	Undocumented
Class Variable	_is_bind_parameter	Undocumented
Class Variable	_is_clause_list	Undocumented
Class Variable	_is_column_element	Undocumented
Class Variable	_is_immutable	Undocumented
Class Variable	_is_keyed_column_element	Undocumented
Class Variable	_is_lambda_element	Undocumented
Class Variable	_is_select_container	Undocumented
Class Variable	_is_singleton_constant	Undocumented
Class Variable	_is_star	Undocumented
Class Variable	_is_table	Undocumented
Class Variable	_is_text_clause	Undocumented
Class Variable	_is_textual	Undocumented
Instance Variable	_propagate_attrs	like annotations, however these propagate outwards liberally as SQL constructs are built, and are set up at construction time.
Property	_constructor	return the 'constructor' for this ClauseElement.
Property	_order_by_label_element	Undocumented

Inherited from SupportsWrappingAnnotations (via FromClauseAlias, AliasedReturnsRows, NoInit, NamedFromClause, FromClause, AnonymizedFromClauseRole, StrictFromClauseRole, FromClauseRole, ColumnsClauseRole, JoinTargetRole, AllowsLambdaRole, UsesInspection, ColumnListRole, StructuralRole, Selectable, ReturnsRows, ReturnsRowsRole, SQLRole, DQLDMLClauseElement, ClauseElement):

Method	_annotate	return a copy of this ClauseElement with annotations updated by the given dictionary.
Method	_deannotate	return a copy of this :class:`_expression.ClauseElement` with annotations removed.
Method	_with_annotations	return a copy of this ClauseElement with annotations replaced by the given dictionary.

Inherited from SupportsAnnotations (via FromClauseAlias, AliasedReturnsRows, NoInit, NamedFromClause, FromClause, AnonymizedFromClauseRole, StrictFromClauseRole, FromClauseRole, ColumnsClauseRole, JoinTargetRole, AllowsLambdaRole, UsesInspection, ColumnListRole, StructuralRole, Selectable, ReturnsRows, ReturnsRowsRole, SQLRole, DQLDMLClauseElement, ClauseElement, SupportsWrappingAnnotations):

Class Variable	proxy_set	Undocumented
Method	_gen_annotations_cache_key	Undocumented
Property	_annotations_cache_key	Undocumented

Inherited from MemoizedHasCacheKey (via FromClauseAlias, AliasedReturnsRows, NoInit, NamedFromClause, FromClause, AnonymizedFromClauseRole, StrictFromClauseRole, FromClauseRole, ColumnsClauseRole, JoinTargetRole, AllowsLambdaRole, UsesInspection, ColumnListRole, StructuralRole, Selectable, ReturnsRows, ReturnsRowsRole, SQLRole, DQLDMLClauseElement, ClauseElement, SupportsWrappingAnnotations, SupportsAnnotations):

Method

_generate_cache_key

return a cache key.

Inherited from HasCacheKey (via FromClauseAlias, AliasedReturnsRows, NoInit, NamedFromClause, FromClause, AnonymizedFromClauseRole, StrictFromClauseRole, FromClauseRole, ColumnsClauseRole, JoinTargetRole, AllowsLambdaRole, UsesInspection, ColumnListRole, StructuralRole, Selectable, ReturnsRows, ReturnsRowsRole, SQLRole, DQLDMLClauseElement, ClauseElement, SupportsWrappingAnnotations, SupportsAnnotations, MemoizedHasCacheKey):

Class Variable	inherit_cache	Indicate if this :class:`.HasCacheKey` instance should make use of the cache key generation scheme used by its immediate superclass.
Class Method	_generate_cache_attrs	generate cache key dispatcher for a new class.
Class Method	_generate_cache_key_for_object	Undocumented
Method	_gen_cache_key	return an optional cache key.
Class Variable	_generated_cache_key_traversal	Undocumented
Class Variable	_hierarchy_supports_caching	private attribute which may be set to False to prevent the inherit_cache warning from being emitted for a hierarchy of subclasses.
Class Variable	_is_has_cache_key	Undocumented

Inherited from CompilerElement (via FromClauseAlias, AliasedReturnsRows, NoInit, NamedFromClause, FromClause, AnonymizedFromClauseRole, StrictFromClauseRole, FromClauseRole, ColumnsClauseRole, JoinTargetRole, AllowsLambdaRole, UsesInspection, ColumnListRole, StructuralRole, Selectable, ReturnsRows, ReturnsRowsRole, SQLRole, DQLDMLClauseElement, ClauseElement, SupportsWrappingAnnotations, SupportsAnnotations, MemoizedHasCacheKey, HasCacheKey, HasCopyInternals, ExternallyTraversible, HasTraverseInternals):

Method	__str__	Undocumented
Class Variable	stringify_dialect	Undocumented
Class Variable	supports_execution	Undocumented

Inherited from Visitable (via FromClauseAlias, AliasedReturnsRows, NoInit, NamedFromClause, FromClause, AnonymizedFromClauseRole, StrictFromClauseRole, FromClauseRole, ColumnsClauseRole, JoinTargetRole, AllowsLambdaRole, UsesInspection, ColumnListRole, StructuralRole, Selectable, ReturnsRows, ReturnsRowsRole, SQLRole, DQLDMLClauseElement, ClauseElement, SupportsWrappingAnnotations, SupportsAnnotations, MemoizedHasCacheKey, HasCacheKey, HasCopyInternals, ExternallyTraversible, HasTraverseInternals, CompilerElement):

Method	__class_getitem__	Undocumented
Method	__init_subclass__	Undocumented
Class Method	_generate_compiler_dispatch	Undocumented
Method	_compiler_dispatch	Undocumented
Class Variable	_original_compiler_dispatch	Undocumented