Merge branch 'rightlib' into mergelibs-241120-1113

1 files changed, 22 insertions, 0 deletions

diff --git a/yql/essentials/tests/sql/suites/join/star_join_multi.sql b/yql/essentials/tests/sql/suites/join/star_join_multi.sql
new file mode 100644
index 0000000000..b6553ce006
--- /dev/null
+++ b/yql/essentials/tests/sql/suites/join/star_join_multi.sql
@@ -0,0 +1,22 @@
+/* syntax version 1 */
+use plato;
+pragma yt.JoinEnableStarJoin="true";
+
+
+-- first Star JOIN chain 
+$rightSemi = select * from Input2 as b right semi join Input1 as a on a.v1 = b.v2 and a.k1 = b.k2;
+$leftOnly = select * from $rightSemi as rs left only join Input3 as c on rs.k1 = c.k3 and rs.v1 = c.v3;
+$right = select * from Input4 as d right join $leftOnly as lo on d.v4 = lo.v1 and lo.k1 = d.k4;
+$chain1 = select * from $right as r join any Input5 as e on r.k1 = e.k5 and e.v5 = r.v1;
+
+-- second Star JOIN chain (mirror reflection of first one)
+$leftSemi = select * from Input1 as a1 left semi join Input2 as b1 on b1.k2 = a1.k1 and a1.v1 = b1.v2;
+$rightOnly = select * from Input3 as c1 right only join $leftSemi as ls on ls.k1 = c1.k3 and ls.v1 = c1.v3;
+$left = select * from $rightOnly as ro left join Input4 as d1 on ro.v1 = d1.v4 and d1.k4 = ro.k1;
+$chain2 = select * from any Input5 as e1 join $left as l on e1.k5 = l.k1 and l.v1 = e1.v5;
+
+
+select left.k1 as k1, right.v1 as v1 from 
+$chain1 as left join $chain2 as right on left.k1 = right.k1 and left.v1 = right.v1
+order by k1,v1;
+