# name: test/optimizer/statistics/statistics_join_multicolumn.test
# description: Statistics propagation through joins on multiple columns
# group: [statistics]

statement ok
CREATE TABLE integers AS SELECT * FROM (VALUES (1), (2), (10)) tbl(i);

statement ok
CREATE TABLE integers2 AS SELECT * FROM (VALUES (2, 5), (3, 6), (4, 7)) tbl(i, j);

statement ok
PRAGMA explain_output = OPTIMIZED_ONLY;

# inner join
# integers.i has [1, 10] as min max
# integers2.i is [2, 4], integers2.j [5, 7]
# we compare integers.i = integers2.i AND integers.i = integers2.j
# these sets are disjoint, so we get an empty result
query II
EXPLAIN SELECT i1.i FROM integers i1 JOIN integers2 i2 ON (i1.i=i2.i AND i1.i=i2.j);
----
logical_opt	<REGEX>:.*EMPTY_RESULT.*

query II
EXPLAIN SELECT i1.i FROM integers i1 JOIN integers2 i2 ON (i1.i=i2.i AND i1.i>i2.j);
----
logical_opt	<REGEX>:.*EMPTY_RESULT.*

# when we do i1.i < i2.j, the sets are no longer disjoint, because the set [2, 4] is smaller than the set [5, 7]
query II
EXPLAIN SELECT i1.i FROM integers i1 JOIN integers2 i2 ON (i1.i=i2.i AND i1.i<i2.j);
----
logical_opt	<!REGEX>:.*EMPTY_RESULT.*

query I
SELECT i1.i FROM integers i1 JOIN integers2 i2 ON (i1.i=i2.i AND i1.i=i2.j);
----

query I
SELECT i1.i FROM integers i1 JOIN integers2 i2 ON (i1.i=i2.i AND i1.i<i2.j);
----
2