diff options
Diffstat (limited to 'lib/sqlalchemy/sql/functions.py')
| -rw-r--r-- | lib/sqlalchemy/sql/functions.py | 39 |
1 files changed, 36 insertions, 3 deletions
diff --git a/lib/sqlalchemy/sql/functions.py b/lib/sqlalchemy/sql/functions.py index 6b1172eba..7b723f371 100644 --- a/lib/sqlalchemy/sql/functions.py +++ b/lib/sqlalchemy/sql/functions.py @@ -744,6 +744,7 @@ class GenericFunction(util.with_metaclass(_GenericMeta, Function)): coerce_arguments = True _register = False + inherit_cache = True def __init__(self, *args, **kwargs): parsed_args = kwargs.pop("_parsed_args", None) @@ -808,6 +809,8 @@ class next_value(GenericFunction): class AnsiFunction(GenericFunction): + inherit_cache = True + def __init__(self, *args, **kwargs): GenericFunction.__init__(self, *args, **kwargs) @@ -815,6 +818,8 @@ class AnsiFunction(GenericFunction): class ReturnTypeFromArgs(GenericFunction): """Define a function whose return type is the same as its arguments.""" + inherit_cache = True + def __init__(self, *args, **kwargs): args = [ coercions.expect( @@ -832,30 +837,34 @@ class ReturnTypeFromArgs(GenericFunction): class coalesce(ReturnTypeFromArgs): _has_args = True + inherit_cache = True class max(ReturnTypeFromArgs): # noqa - pass + inherit_cache = True class min(ReturnTypeFromArgs): # noqa - pass + inherit_cache = True class sum(ReturnTypeFromArgs): # noqa - pass + inherit_cache = True class now(GenericFunction): # noqa type = sqltypes.DateTime + inherit_cache = True class concat(GenericFunction): type = sqltypes.String + inherit_cache = True class char_length(GenericFunction): type = sqltypes.Integer + inherit_cache = True def __init__(self, arg, **kwargs): GenericFunction.__init__(self, arg, **kwargs) @@ -863,6 +872,7 @@ class char_length(GenericFunction): class random(GenericFunction): _has_args = True + inherit_cache = True class count(GenericFunction): @@ -887,6 +897,7 @@ class count(GenericFunction): """ type = sqltypes.Integer + inherit_cache = True def __init__(self, expression=None, **kwargs): if expression is None: @@ -896,38 +907,47 @@ class count(GenericFunction): class current_date(AnsiFunction): type = sqltypes.Date + inherit_cache = True class current_time(AnsiFunction): type = sqltypes.Time + inherit_cache = True class current_timestamp(AnsiFunction): type = sqltypes.DateTime + inherit_cache = True class current_user(AnsiFunction): type = sqltypes.String + inherit_cache = True class localtime(AnsiFunction): type = sqltypes.DateTime + inherit_cache = True class localtimestamp(AnsiFunction): type = sqltypes.DateTime + inherit_cache = True class session_user(AnsiFunction): type = sqltypes.String + inherit_cache = True class sysdate(AnsiFunction): type = sqltypes.DateTime + inherit_cache = True class user(AnsiFunction): type = sqltypes.String + inherit_cache = True class array_agg(GenericFunction): @@ -951,6 +971,7 @@ class array_agg(GenericFunction): """ type = sqltypes.ARRAY + inherit_cache = True def __init__(self, *args, **kwargs): args = [ @@ -978,6 +999,7 @@ class OrderedSetAgg(GenericFunction): :meth:`.FunctionElement.within_group` method.""" array_for_multi_clause = False + inherit_cache = True def within_group_type(self, within_group): func_clauses = self.clause_expr.element @@ -1000,6 +1022,8 @@ class mode(OrderedSetAgg): """ + inherit_cache = True + class percentile_cont(OrderedSetAgg): """implement the ``percentile_cont`` ordered-set aggregate function. @@ -1016,6 +1040,7 @@ class percentile_cont(OrderedSetAgg): """ array_for_multi_clause = True + inherit_cache = True class percentile_disc(OrderedSetAgg): @@ -1033,6 +1058,7 @@ class percentile_disc(OrderedSetAgg): """ array_for_multi_clause = True + inherit_cache = True class rank(GenericFunction): @@ -1048,6 +1074,7 @@ class rank(GenericFunction): """ type = sqltypes.Integer() + inherit_cache = True class dense_rank(GenericFunction): @@ -1063,6 +1090,7 @@ class dense_rank(GenericFunction): """ type = sqltypes.Integer() + inherit_cache = True class percent_rank(GenericFunction): @@ -1078,6 +1106,7 @@ class percent_rank(GenericFunction): """ type = sqltypes.Numeric() + inherit_cache = True class cume_dist(GenericFunction): @@ -1093,6 +1122,7 @@ class cume_dist(GenericFunction): """ type = sqltypes.Numeric() + inherit_cache = True class cube(GenericFunction): @@ -1109,6 +1139,7 @@ class cube(GenericFunction): """ _has_args = True + inherit_cache = True class rollup(GenericFunction): @@ -1125,6 +1156,7 @@ class rollup(GenericFunction): """ _has_args = True + inherit_cache = True class grouping_sets(GenericFunction): @@ -1158,3 +1190,4 @@ class grouping_sets(GenericFunction): """ _has_args = True + inherit_cache = True |