diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/arel/engines/sql/core_extensions/nil_class.rb | 4 | ||||
-rw-r--r-- | lib/arel/engines/sql/core_extensions/object.rb | 4 | ||||
-rw-r--r-- | lib/arel/engines/sql/predicates.rb | 4 | ||||
-rw-r--r-- | lib/arel/engines/sql/primitives.rb | 4 |
4 files changed, 15 insertions, 1 deletions
diff --git a/lib/arel/engines/sql/core_extensions/nil_class.rb b/lib/arel/engines/sql/core_extensions/nil_class.rb index c3dbc8cd76..3f70677ba6 100644 --- a/lib/arel/engines/sql/core_extensions/nil_class.rb +++ b/lib/arel/engines/sql/core_extensions/nil_class.rb @@ -5,6 +5,10 @@ module Arel 'IS' end + def not_predicate_sql + 'IS NOT' + end + NilClass.send(:include, self) end end diff --git a/lib/arel/engines/sql/core_extensions/object.rb b/lib/arel/engines/sql/core_extensions/object.rb index 9f15dff771..b71ef29fd5 100644 --- a/lib/arel/engines/sql/core_extensions/object.rb +++ b/lib/arel/engines/sql/core_extensions/object.rb @@ -9,6 +9,10 @@ module Arel '=' end + def not_predicate_sql + '!=' + end + Object.send(:include, self) end end diff --git a/lib/arel/engines/sql/predicates.rb b/lib/arel/engines/sql/predicates.rb index 3756231a46..e40240eec5 100644 --- a/lib/arel/engines/sql/predicates.rb +++ b/lib/arel/engines/sql/predicates.rb @@ -27,7 +27,9 @@ module Arel end class Not < Binary - def predicate_sql; '!=' end + def predicate_sql + operand2.not_predicate_sql + end end class GreaterThanOrEqualTo < Binary diff --git a/lib/arel/engines/sql/primitives.rb b/lib/arel/engines/sql/primitives.rb index 666579331a..78e1ed7f0b 100644 --- a/lib/arel/engines/sql/primitives.rb +++ b/lib/arel/engines/sql/primitives.rb @@ -34,6 +34,10 @@ module Arel value.equality_predicate_sql end + def not_predicate_sql + value.not_predicate_sql + end + def to_sql(formatter = Sql::WhereCondition.new(relation)) formatter.value value end |