1 files changed, 14 insertions, 36 deletions
diff --git a/lib/gitlab/database/grant.rb b/lib/gitlab/database/grant.rb
index 26adf4e221b..1f47f320a29 100644
--- a/lib/gitlab/database/grant.rb
+++ b/lib/gitlab/database/grant.rb
@@ -6,47 +6,25 @@ module Gitlab
     class Grant < ActiveRecord::Base
       include FromUnion
 
-      self.table_name =
-        if Database.postgresql?
-          'information_schema.role_table_grants'
-        else
-          'information_schema.schema_privileges'
-        end
+      self.table_name = 'information_schema.role_table_grants'
 
       # Returns true if the current user can create and execute triggers on the
       # given table.
       def self.create_and_execute_trigger?(table)
-        if Database.postgresql?
-          # We _must not_ use quote_table_name as this will produce double
-          # quotes on PostgreSQL and for "has_table_privilege" we need single
-          # quotes.
-          quoted_table = connection.quote(table)
-
-          begin
-            from(nil)
-              .pluck(Arel.sql("has_table_privilege(#{quoted_table}, 'TRIGGER')"))
-              .first
-          rescue ActiveRecord::StatementInvalid
-            # This error is raised when using a non-existing table name. In this
-            # case we just want to return false as a user technically can't
-            # create triggers for such a table.
-            false
-          end
-        else
-          queries = [
-            Grant.select(1)
-              .from('information_schema.user_privileges')
-              .where("PRIVILEGE_TYPE = 'SUPER'")
-              .where("GRANTEE = CONCAT('\\'', REPLACE(CURRENT_USER(), '@', '\\'@\\''), '\\'')"),
-
-            Grant.select(1)
-              .from('information_schema.schema_privileges')
-              .where("PRIVILEGE_TYPE = 'TRIGGER'")
-              .where('TABLE_SCHEMA = ?', Gitlab::Database.database_name)
-              .where("GRANTEE = CONCAT('\\'', REPLACE(CURRENT_USER(), '@', '\\'@\\''), '\\'')")
-          ]
+        # We _must not_ use quote_table_name as this will produce double
+        # quotes on PostgreSQL and for "has_table_privilege" we need single
+        # quotes.
+        quoted_table = connection.quote(table)
 
-          Grant.from_union(queries, alias_as: 'privs').any?
+        begin
+          from(nil)
+            .pluck(Arel.sql("has_table_privilege(#{quoted_table}, 'TRIGGER')"))
+            .first
+        rescue ActiveRecord::StatementInvalid
+          # This error is raised when using a non-existing table name. In this
+          # case we just want to return false as a user technically can't
+          # create triggers for such a table.
+          false
         end
       end
     end