text: -- @author prabhd 
  -- @created 2012-12-05 12:00:00 
  -- @modified 2012-12-05 12:00:00 
  -- @tags dml HAWQ 
  -- @db_name dmldb
  -- @execute_all_plans True
  -- @description test24: Negative test - Insert NULL value to a table without default partition
  \echo --start_ignore
  set gp_enable_column_oriented_table=on;
  \echo --end_ignore
  SELECT COUNT(*) FROM dml_heap_pt_r;
  INSERT INTO dml_heap_pt_r SELECT dml_heap_pt_r.b, NULL, dml_heap_pt_r.c FROM dml_heap_pt_r, dml_heap_pt_s WHERE dml_heap_pt_r.b = dml_heap_pt_s.b;
  SELECT COUNT(*) FROM dml_heap_pt_r;
  