Merge pull request #11788 from ydb-platform/mergelibs-241120-1113

Library import 241120-1113

1 files changed, 52 insertions, 0 deletions

diff --git a/yql/essentials/tests/postgresql/cases/select.sql b/yql/essentials/tests/postgresql/cases/select.sql
new file mode 100644
index 0000000000..80e9c57baf
--- /dev/null
+++ b/yql/essentials/tests/postgresql/cases/select.sql
@@ -0,0 +1,52 @@
+--
+-- SELECT
+--
+-- btree index
+-- awk '{if($1<10){print;}else{next;}}' onek.data | sort +0n -1
+--
+SELECT * FROM onek
+   WHERE onek.unique1 < 10
+   ORDER BY onek.unique1;
+--
+-- Test some cases involving whole-row Var referencing a subquery
+--
+select foo from (select 1 offset 0) as foo;
+select foo from (select null offset 0) as foo;
+select foo from (select 'xyzzy',1,null offset 0) as foo;
+-- VALUES is also legal as a standalone query or a set-operation member
+VALUES (1,2), (3,4+4), (7,77.7);
+VALUES (1,2), (3,4+4), (7,77.7)
+UNION ALL
+SELECT 2+2, 57
+UNION ALL
+TABLE int8_tbl;
+-- corner case: VALUES with no columns
+CREATE TEMP TABLE nocols();
+--
+-- Test ORDER BY options
+--
+CREATE TEMP TABLE foo (f1 int);
+INSERT INTO foo VALUES (42),(3),(10),(7),(null),(null),(1);
+SELECT * FROM foo ORDER BY f1 NULLS FIRST;
+-- check if indexscans do the right things
+CREATE INDEX fooi ON foo (f1);
+SELECT * FROM foo ORDER BY f1 NULLS FIRST;
+CREATE INDEX fooi ON foo (f1 DESC);
+SELECT * FROM foo ORDER BY f1 NULLS FIRST;
+CREATE INDEX fooi ON foo (f1 DESC NULLS LAST);
+SELECT * FROM foo ORDER BY f1 NULLS FIRST;
+select * from onek2 where unique2 = 11 and stringu1 = 'ATAAAA';
+select unique2 from onek2 where unique2 = 11 and stringu1 = 'ATAAAA';
+select * from onek2 where unique2 = 11 and stringu1 < 'B';
+select unique2 from onek2 where unique2 = 11 and stringu1 < 'B';
+select unique2 from onek2 where unique2 = 11 and stringu1 < 'B' for update;
+select unique2 from onek2 where unique2 = 11 and stringu1 < 'C';
+select unique2 from onek2 where unique2 = 11 and stringu1 < 'B';
+select unique1, unique2 from onek2
+  where (unique2 = 11 or unique1 = 0) and stringu1 < 'B';
+select unique1, unique2 from onek2
+  where (unique2 = 11 and stringu1 < 'B') or unique1 = 0;
+-- X = X isn't a no-op, it's effectively X IS NOT NULL assuming = is strict
+-- (see bug #5084)
+select * from (values (2),(null),(1)) v(k) where k = k order by k;
+select * from (values (2),(null),(1)) v(k) where k = k;