sqlalchemy.sql.elements.BinaryExpression

>>> from sqlalchemy.sql import column
>>> column('a') + column('b')
<sqlalchemy.sql.expression.BinaryExpression object at 0x101029dd0>
>>> print(column('a') + column('b'))
a + b

Method	__bool__	Undocumented
Method	__init__	Undocumented
Method	​_negate	Undocumented
Method	self​_group	Apply a 'grouping' to this _expression.ClauseElement.
Class Variable	__visit​_name__	Undocumented
Class Variable	​_traverse​_internals	Undocumented
Instance Variable	​_is​_implicitly​_boolean	Indicates that any database will know this is a boolean expression even if the database does not have an explicit boolean datatype.
Instance Variable	​_orig	Undocumented
Instance Variable	​_propagate​_attrs	like annotations, however these propagate outwards liberally as SQL constructs are built, and are set up at construction time.
Instance Variable	left	Undocumented
Instance Variable	modifiers	Undocumented
Instance Variable	negate	Undocumented
Instance Variable	operator	Undocumented
Instance Variable	right	Undocumented
Instance Variable	type	Undocumented
Property	​_from​_objects	Undocumented
Property	is​_comparison	Undocumented

Inherited from ColumnElement:

Method	cast	Produce a type cast, i.e. CAST(<expression> AS <type>).
Method	label	Produce a column label, i.e. <columnname> AS <name>.
Method	operate	Operate on an argument.
Method	reverse​_operate	Reverse operate on an argument.
Method	shares​_lineage	Return True if the given _expression.ColumnElement has a common ancestor to this _expression.ColumnElement.
Class Variable	foreign​_keys	Undocumented
Class Variable	key	The 'key' that in some circumstances refers to this object in a Python namespace.
Class Variable	primary​_key	Undocumented
Method	__getattr__	Undocumented
Method	​_anon​_label	Undocumented
Method	​_bind​_param	Undocumented
Method	​_compare​_name​_for​_result	Return True if the given column element compares to this one when targeting within a result row.
Method	​_dedupe​_anon​_label​_idx	label to apply to a column that is anon labeled, but repeated in the SELECT, so that we have to make an "extra anon" label that disambiguates it from the previous appearance.
Method	​_dedupe​_anon​_tq​_label​_idx	Undocumented
Method	​_expression​_label	a suggested label to use in the case that the column has no name, which should be used if possible as the explicit 'AS <label>' where this expression would normally have an anon label.
Method	​_make​_proxy	Create a new _expression.ColumnElement representing this _expression.ColumnElement as it appears in the select list of a descending selectable.
Method	​_proxy​_key	Undocumented
Method	​_tq​_key​_label	A label-based version of 'key' that in some circumstances refers to this object in a Python namespace.
Method	​_uncached​_proxy​_set	An 'uncached' version of proxy set.
Method	comparator	Undocumented
Class Variable	​_allow​_label​_resolve	A flag that can be flipped to prevent a column from being resolvable by string label name.
Class Variable	​_alt​_names	Undocumented
Class Variable	​_proxies	Undocumented
Class Variable	​_render​_label​_in​_columns​_clause	No summary
Class Variable	​_tq​_label	The named label that can be used to target this column in a result set in a "table qualified" context.
Property	​_anon​_key​_label	Provides a constant 'anonymous key label' for this ColumnElement.
Property	​_anon​_name​_label	Provides a constant 'anonymous label' for this ColumnElement.
Property	​_anon​_tq​_key​_label	Undocumented
Property	​_anon​_tq​_label	Undocumented
Property	​_key​_label	legacy; renamed to _tq_key_label
Property	​_label	legacy; renamed to _tq_label
Property	​_non​_anon​_label	the 'name' that naturally applies this element when rendered in SQL.
Property	​_select​_iterable	Undocumented
Property	anon​_key​_label	Undocumented
Property	anon​_label	Undocumented
Property	base​_columns	Undocumented
Property	expression	Return a column expression.
Property	proxy​_set	Undocumented

Inherited from ColumnArgumentOrKeyRole (via ColumnElement):

Class Variable

​_role​_name

Undocumented

Inherited from SQLRole (via ColumnElement, ColumnArgumentOrKeyRole, ColumnArgumentRole):

Class Variable	allows​_lambda	Undocumented
Class Variable	uses​_inspection	Undocumented

Inherited from StatementOptionRole (via ColumnElement):

Class Variable

​_role​_name

Undocumented

Inherited from SQLRole (via ColumnElement, StatementOptionRole, StructuralRole):

Class Variable	allows​_lambda	Undocumented
Class Variable	uses​_inspection	Undocumented

Inherited from WhereHavingRole (via ColumnElement):

Class Variable

​_role​_name

Undocumented

Inherited from AllowsLambdaRole (via ColumnElement, WhereHavingRole, OnClauseRole):

Class Variable

allows​_lambda

Undocumented

Inherited from SQLRole (via ColumnElement, WhereHavingRole, OnClauseRole, StructuralRole):

Class Variable	allows​_lambda	Undocumented
Class Variable	uses​_inspection	Undocumented

Inherited from BinaryElementRole (via ColumnElement):

Class Variable

​_role​_name

Undocumented

Inherited from SQLRole (via ColumnElement, BinaryElementRole, ExpressionElementRole):

Class Variable	allows​_lambda	Undocumented
Class Variable	uses​_inspection	Undocumented

Inherited from OrderByRole (via ColumnElement):

Class Variable

​_role​_name

Undocumented

Inherited from AllowsLambdaRole (via ColumnElement, OrderByRole):

Class Variable

allows​_lambda

Undocumented

Inherited from SQLRole (via ColumnElement, OrderByRole, ByOfRole, ColumnListRole):

Class Variable	allows​_lambda	Undocumented
Class Variable	uses​_inspection	Undocumented

Inherited from ColumnsClauseRole (via ColumnElement):

Class Variable

​_role​_name

Undocumented

Inherited from AllowsLambdaRole (via ColumnElement, ColumnsClauseRole):

Class Variable

allows​_lambda

Undocumented

Inherited from UsesInspection (via ColumnElement, ColumnsClauseRole):

Class Variable	​_post​_inspect	Undocumented
Class Variable	uses​_inspection	Undocumented

Inherited from SQLRole (via ColumnElement, ColumnsClauseRole, ColumnListRole):

Class Variable	allows​_lambda	Undocumented
Class Variable	uses​_inspection	Undocumented

Inherited from LimitOffsetRole (via ColumnElement):

Class Variable

​_role​_name

Undocumented

Inherited from SQLRole (via ColumnElement, LimitOffsetRole):

Class Variable	allows​_lambda	Undocumented
Class Variable	uses​_inspection	Undocumented

Inherited from DMLColumnRole (via ColumnElement):

Class Variable

​_role​_name

Undocumented

Inherited from SQLRole (via ColumnElement, DMLColumnRole):

Class Variable	allows​_lambda	Undocumented
Class Variable	uses​_inspection	Undocumented

Inherited from DDLConstraintColumnRole (via ColumnElement):

Class Variable

​_role​_name

Undocumented

Inherited from SQLRole (via ColumnElement, DDLConstraintColumnRole):

Class Variable	allows​_lambda	Undocumented
Class Variable	uses​_inspection	Undocumented

Inherited from DDLExpressionRole (via ColumnElement):

Class Variable

​_role​_name

Undocumented

Inherited from SQLRole (via ColumnElement, DDLExpressionRole, StructuralRole):

Class Variable	allows​_lambda	Undocumented
Class Variable	uses​_inspection	Undocumented

Inherited from ColumnOperators (via ColumnElement):

Method	__add__	Implement the + operator.
Method	__contains__	Undocumented
Method	__div__	Implement the / operator.
Method	__eq__	Implement the == operator.
Method	__ge__	Implement the >= operator.
Method	__getitem__	Implement the [] operator.
Method	__gt__	Implement the > operator.
Method	__le__	Implement the <= operator.
Method	__lshift__	implement the << operator.
Method	__lt__	Implement the < operator.
Method	__mod__	Implement the % operator.
Method	__mul__	Implement the * operator.
Method	__ne__	Implement the != operator.
Method	__neg__	Implement the - operator.
Method	__radd__	Implement the + operator in reverse.
Method	__rdiv__	Implement the / operator in reverse.
Method	__rmod__	Implement the % operator in reverse.
Method	__rmul__	Implement the * operator in reverse.
Method	__rshift__	implement the >> operator.
Method	__rsub__	Implement the - operator in reverse.
Method	__rtruediv__	Implement the // operator in reverse.
Method	__sub__	Implement the - operator.
Method	__truediv__	Implement the // operator.
Method	all​_	Produce an _expression.all_ clause against the parent object.
Method	any​_	Produce an _expression.any_ clause against the parent object.
Method	asc	Produce a _expression.asc clause against the parent object.
Method	between	Produce a _expression.between clause against the parent object, given the lower and upper range.
Method	collate	Produce a _expression.collate clause against the parent object, given the collation string.
Method	concat	Implement the 'concat' operator.
Method	contains	Implement the 'contains' operator.
Method	desc	Produce a _expression.desc clause against the parent object.
Method	distinct	Produce a _expression.distinct clause against the parent object.
Method	endswith	Implement the 'endswith' operator.
Method	ilike	Implement the ilike operator, e.g. case insensitive LIKE.
Method	in​_	Implement the in operator.
Method	is​_	Implement the IS operator.
Method	is​_distinct​_from	Implement the IS DISTINCT FROM operator.
Method	is​_not	Implement the IS NOT operator.
Method	is​_not​_distinct​_from	Implement the IS NOT DISTINCT FROM operator.
Method	like	Implement the like operator.
Method	match	Implements a database-specific 'match' operator.
Method	not​_ilike	implement the NOT ILIKE operator.
Method	not​_in	implement the NOT IN operator.
Method	not​_like	implement the NOT LIKE operator.
Method	nulls​_first	Produce a _expression.nulls_first clause against the parent object.
Method	nulls​_last	Produce a _expression.nulls_last clause against the parent object.
Method	regexp​_match	Implements a database-specific 'regexp match' operator.
Method	regexp​_replace	Implements a database-specific 'regexp replace' operator.
Method	startswith	Implement the startswith operator.
Class Variable	__slots__	Undocumented
Class Variable	timetuple	Hack, allows datetime objects to be compared on the LHS.

Inherited from Operators (via ColumnElement, ColumnOperators):

Method	__and__	Implement the & operator.
Method	__invert__	Implement the ~ operator.
Method	__or__	Implement the | operator.
Method	bool​_op	Return a custom boolean operator.
Method	op	Produce a generic operator function.

Inherited from ClauseElement (via ColumnElement):

Method	compare	Compare this _expression.ClauseElement to the given _expression.ClauseElement.
Method	compile	Compile this SQL expression.
Method	params	Return a copy with _expression.bindparam elements replaced.
Method	unique​_params	Return a copy with _expression.bindparam elements replaced.
Method	__getstate__	Undocumented
Method	__invert__	Undocumented
Method	__repr__	Undocumented
Method	__str__	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	​_compiler	Return a compiler appropriate for this ClauseElement, given a Dialect.
Method	​_execute​_on​_connection	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 _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	​_is​_bind​_parameter	Undocumented
Class Variable	​_is​_clause​_list	Undocumented
Class Variable	​_is​_clone​_of	Undocumented
Class Variable	​_is​_from​_clause	Undocumented
Class Variable	​_is​_from​_container	Undocumented
Class Variable	​_is​_immutable	Undocumented
Class Variable	​_is​_lambda​_element	Undocumented
Class Variable	​_is​_returns​_rows	Undocumented
Class Variable	​_is​_select​_container	Undocumented
Class Variable	​_is​_select​_statement	Undocumented
Class Variable	​_is​_singleton​_constant	Undocumented
Class Variable	​_is​_text​_clause	Undocumented
Class Variable	​_is​_textual	Undocumented
Class Variable	​_order​_by​_label​_element	Undocumented
Class Variable	bind	Undocumented
Class Variable	description	Undocumented
Class Variable	is​_clause​_element	Undocumented
Class Variable	is​_selectable	Undocumented
Class Variable	stringify​_dialect	Undocumented
Class Variable	supports​_execution	Undocumented
Property	​_constructor	return the 'constructor' for this ClauseElement.
Property	entity​_namespace	Undocumented

Inherited from SQLRole (via ColumnElement, ClauseElement):

Class Variable	allows​_lambda	Undocumented
Class Variable	uses​_inspection	Undocumented

Inherited from SupportsWrappingAnnotations (via ColumnElement, ClauseElement):

Method	​_annotate	return a copy of this ClauseElement with annotations updated by the given dictionary.
Method	​_deannotate	return a copy of this _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 ColumnElement, ClauseElement, SupportsWrappingAnnotations):

Property

​_annotations​_cache​_key

Undocumented

Inherited from MemoizedHasCacheKey (via ColumnElement, ClauseElement):

Method

​_generate​_cache​_key

return a cache key.

Inherited from HasCacheKey (via ColumnElement, ClauseElement, MemoizedHasCacheKey):

Class Variable	inherit​_cache	Indicate if this .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	__slots__	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 HasCopyInternals (via ColumnElement, ClauseElement):

Method

​_copy​_internals

Reassign internal elements to be clones of themselves.

Inherited from Traversible (via ColumnElement, ClauseElement):

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