diff -c psqlodbc.orig\info.c psqlodbc\info.c
*** psqlodbc.orig\info.c	Wed Nov 30 13:44:22 2005
--- psqlodbc\info.c	Sun Dec 18 01:37:01 2005
***************
*** 1763,1769 ****
  		my_strcat1(columns_query, " and a.attname %s '%.*s'", likeeq, szColumnName, cbColumnName);
  	}
  
! 	if (!atoi(ci->show_system_tables))
  	{
  		if (conn->schema_support)
  			strcat(columns_query, "  and nspname !~ '^" POSTGRES_SYS_PREFIX "'");
--- 1763,1770 ----
  		my_strcat1(columns_query, " and a.attname %s '%.*s'", likeeq, szColumnName, cbColumnName);
  	}
  
! 	if ((!atoi(ci->show_system_tables)) &&
! 	    (((cbTableName != SQL_NTS) && (cbTableName < 4)) || (strncmp(szTableName,"pg_",3))))
  	{
  		if (conn->schema_support)
  			strcat(columns_query, "  and nspname !~ '^" POSTGRES_SYS_PREFIX "'");