diff options
Diffstat (limited to 'activerecord/lib/arel/visitors/postgresql.rb')
-rw-r--r-- | activerecord/lib/arel/visitors/postgresql.rb | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/activerecord/lib/arel/visitors/postgresql.rb b/activerecord/lib/arel/visitors/postgresql.rb index c5110fa89c..920776b4dc 100644 --- a/activerecord/lib/arel/visitors/postgresql.rb +++ b/activerecord/lib/arel/visitors/postgresql.rb @@ -77,6 +77,18 @@ module Arel # :nodoc: all grouping_parentheses o, collector end + def visit_Arel_Nodes_IsNotDistinctFrom(o, collector) + collector = visit o.left, collector + collector << " IS NOT DISTINCT FROM " + visit o.right, collector + end + + def visit_Arel_Nodes_IsDistinctFrom(o, collector) + collector = visit o.left, collector + collector << " IS DISTINCT FROM " + visit o.right, collector + end + # Used by Lateral visitor to enclose select queries in parentheses def grouping_parentheses(o, collector) if o.expr.is_a? Nodes::SelectStatement |