| -- tests MPP-2614 |
| -- two segments no mirrors |
| drop table if exists test; |
| create table test (id1 int4, id2 int4, day date, grp text, v int4); |
| create index test_idx on test (id1,id2,day,grp); |
| insert into test values (1,1,'1/1/2006','there',1); |
| insert into test values (1,1,'1/2/2006','there',2); |
| insert into test values (1,1,'1/3/2006','there',3); |
| insert into test values (1,1,'1/1/2006','hi',2); |
| insert into test values (1,1,'1/2/2006','hi',3); |
| insert into test values (1,1,'1/3/2006','hi',4); |
| |
| -- this will get the wrong answer (right number of rows, wrong aggregates) |
| set enable_seqscan=off; |
| select grp,sum(v) from test where id1 = 1 and id2 = 1 and day between '1/1/2006' and '1/31/2006' group by grp order by sum(v) desc; |
| |
| -- this will get the wrong answer (right number of rows, wrong aggregates) |
| set enable_seqscan=off; |
| set gp_hashagg_streambottom=off; |
| select grp,sum(v) from test where id1 = 1 and id2 = 1 and day between '1/1/2006' and '1/31/2006' group by grp order by sum(v) desc; |
| |
| create index test_idx_bm on test using bitmap (id1,id2,day,grp); |
| set enable_indexscan=off; -- turn off b-tree index |
| select grp,sum(v) from test where id1 = 1 and id2 = 1 and day between '1/1/2006' and '1/31/2006' group by grp order by sum(v) desc; |
| |
| -- correct answer |
| set enable_seqscan=on; |
| select grp,sum(v) from test where id1 = 1 and id2 = 1 and day between '1/1/2006' and '1/31/2006' group by grp order by sum(v) desc; |
