\echo --start_ignore
set gp_enable_column_oriented_table=on;
\echo --end_ignore
SELECT COUNT(*) FROM dml_co_pt_r;
INSERT INTO dml_co_pt_r SELECT dml_co_pt_r.* FROM dml_co_pt_r,dml_co_pt_s WHERE dml_co_pt_r.b = dml_co_pt_s.a and false;
SELECT COUNT(*) FROM dml_co_pt_r;
