sqlalchemy.sql.sqltypes.HasExpressionLookup

class documentation

class HasExpressionLookup(TypeEngineMixin): (source)

Known subclasses: sqlalchemy.sql.sqltypes.Date, sqlalchemy.sql.sqltypes.DateTime, sqlalchemy.sql.sqltypes.Integer, sqlalchemy.sql.sqltypes.Numeric, sqlalchemy.sql.sqltypes.Time, sqlalchemy.sql.sqltypes._AbstractInterval

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Mixin expression adaptations based on lookup tables. These rules are currently used by the numeric, integer and date types which have detailed cross-expression coercion rules.

Class	`Comparator`	Undocumented
Property	`_expression_adaptations`	Undocumented

Inherited from TypeEngineMixin:

Method	`adapt`	Undocumented
Method	`dialect_impl`	Undocumented
Class Variable	`__slots__`	Undocumented
Property	`_static_cache_key`	Undocumented

@property
_expression_adaptations = (source) ¶

overridden in sqlalchemy.sql.sqltypes.Date, sqlalchemy.sql.sqltypes.DateTime, sqlalchemy.sql.sqltypes.Integer, sqlalchemy.sql.sqltypes.Numeric, sqlalchemy.sql.sqltypes.Time, sqlalchemy.sql.sqltypes._AbstractInterval

Undocumented