diff options
Diffstat (limited to 'activerecord/lib/active_record')
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index 08c81e7478..c9a0287bca 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -771,6 +771,10 @@ module ActiveRecord sql = <<-end_sql SELECT exists( SELECT * FROM pg_proc + WHERE proname = 'lower' + AND proargtypes = ARRAY[#{quote column.sql_type}::regtype]::oidvector + ) OR exists( + SELECT * FROM pg_proc INNER JOIN pg_cast ON ARRAY[casttarget]::oidvector = proargtypes WHERE proname = 'lower' |