exec-ddl
CREATE TABLE abc (a INT PRIMARY KEY, b INT, c INT, INDEX b(b), UNIQUE INDEX c(c))
----

exec-ddl
CREATE TABLE xyz (x INT PRIMARY KEY, y INT, z INT, INDEX y(y), UNIQUE INDEX z(z))
----

rulestats
SELECT * FROM abc JOIN xyz ON a=x
----
Normalization rules applied 3 times.
Top normalization rules:
  EliminateProject   applied 1 times.
  PruneJoinLeftCols  applied 1 times.
  PruneJoinRightCols applied 1 times.
Exploration rules applied 7 times, added 5 expressions.
Top exploration rules:
  GenerateMergeJoins  applied 2 times, added 2 expressions.
  GenerateLookupJoins applied 2 times, added 2 expressions.
  GenerateIndexScans  applied 2 times, added 0 expressions.
  ReorderJoins        applied 1 times, added 1 expressions.
