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Diffstat (limited to 'src/test/regress/sql/join.sql')
| -rw-r--r-- | src/test/regress/sql/join.sql | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/test/regress/sql/join.sql b/src/test/regress/sql/join.sql index cc5128add4d..88d2204e447 100644 --- a/src/test/regress/sql/join.sql +++ b/src/test/regress/sql/join.sql @@ -1277,6 +1277,23 @@ where t1.unique2 < 42 and t1.stringu1 > t2.stringu2; -- variant that isn't quite a star-schema case +explain (verbose, costs off) +select ss1.d1 from + tenk1 as t1 + inner join tenk1 as t2 + on t1.tenthous = t2.ten + inner join + int8_tbl as i8 + left join int4_tbl as i4 + inner join (select 64::information_schema.cardinal_number as d1 + from tenk1 t3, + lateral (select abs(t3.unique1) + random()) ss0(x) + where t3.fivethous < 0) as ss1 + on i4.f1 = ss1.d1 + on i8.q1 = i4.f1 + on t1.tenthous = ss1.d1 +where t1.unique1 < i4.f1; + select ss1.d1 from tenk1 as t1 inner join tenk1 as t2 @@ -1332,6 +1349,18 @@ select * from (select 1 as x) ss1 left join (select 2 as y) ss2 on (true), lateral (select ss2.y as z limit 1) ss3; +-- This example demonstrates the folly of our old "have_dangerous_phv" logic +begin; +set local from_collapse_limit to 2; +explain (verbose, costs off) +select * from int8_tbl t1 + left join + (select coalesce(t2.q1 + x, 0) from int8_tbl t2, + lateral (select t3.q1 as x from int8_tbl t3, + lateral (select t2.q1, t3.q1 offset 0) s)) + on true; +rollback; + -- Test proper handling of appendrel PHVs during useless-RTE removal explain (costs off) select * from |