Index: openacs-4/packages/acs-kernel/sql/postgresql/upgrade/upgrade-5.10.0d10-5.10.0d11.sql
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-kernel/sql/postgresql/upgrade/upgrade-5.10.0d10-5.10.0d11.sql,v
diff -u -r1.2 -r1.3
--- openacs-4/packages/acs-kernel/sql/postgresql/upgrade/upgrade-5.10.0d10-5.10.0d11.sql	29 Jan 2019 10:19:32 -0000	1.2
+++ openacs-4/packages/acs-kernel/sql/postgresql/upgrade/upgrade-5.10.0d10-5.10.0d11.sql	29 Jan 2019 11:30:22 -0000	1.3
@@ -6,16 +6,18 @@
 --
 -- procedure util__table_column_exists/1
 --
+select define_function_args('util__table_column_exists','p_table,p_column');
+
 CREATE OR REPLACE FUNCTION util__table_column_exists(
-   c_name text,
-   t_name text
+   p_table  text,
+   p_column text
 ) RETURNS boolean AS $$
 DECLARE
 BEGIN
       return exists (
        select 1 from information_schema.columns c
-         where c.table_name  = lower(t_name)
-           and c.column_name = lower(c_name));
+         where c.table_name  = lower(p_table)
+           and c.column_name = lower(p_column));
 END;
 $$ LANGUAGE plpgsql;
 
