# name: test/sql/join/semianti/right_semi.test
# description: Test positional joins
# group: [semianti]

statement ok
CREATE TABLE left_table (a INTEGER, b INTEGER, c INTEGER);

statement ok
INSERT INTO left_table VALUES (41, 1, 1), (42, 1, 1), (42, 1, 1), (43, 1, 1), (45, 2, 2), (46, 7, 7);

statement ok
CREATE TABLE right_table (a INTEGER, b INTEGER);

# insert 2x values into right table. This means it will be forced to be the probe side
statement ok
INSERT INTO right_table select 41, range as b from range(375);


query II
EXPLAIN ANALYZE SELECT * FROM left_table SEMI JOIN right_table ON left_table.a = right_table.a;
----
analyzed_plan	<REGEX>:.*RIGHT_SEMI.*

# still flips with filter
query II
explain analyze SELECT * FROM left_table SEMI JOIN right_table ON left_table.a = right_table.a WHERE a > 5;
----
analyzed_plan	<REGEX>:.*RIGHT_SEMI.*

# still flips with equality condition on tuples 
query II
explain analyze SELECT * FROM left_table SEMI JOIN right_table ON ([left_table.a, left_table.b] = [right_table.a, right_table.b]);
----
analyzed_plan	<REGEX>:.*RIGHT_SEMI.*

# right table can be a subquery, but using equality we still flip
query II
explain analyze SELECT * FROM left_table SEMI JOIN (SELECT a as foo from right_table where b > 1) buzz ON left_table.a = buzz.foo
----
analyzed_plan	<REGEX>:.*RIGHT_SEMI.*


statement ok
INSERT INTO left_table VALUES (43, 1, 5), (43, 1, 5), (43, 1, 5), (43, 1, 5);

query I
CREATE TABLE other (a INTEGER, b INTEGER);

statement ok
INSERT INTO other VALUES (42, 1), (43, 1);

# Still flip on intermediate table that is joined
query II
EXPLAIN ANALYZE SELECT * FROM left_table
SEMI JOIN (select right_table.a FROM right_table JOIN other ON (other.a = right_table.a)) joined_right_table
ON left_table.a = joined_right_table.a;
----
analyzed_plan	<REGEX>:.*RIGHT_SEMI.*

statement ok
DELETE FROM left_table where c=5;

# USING COLUMNS also works, 
query II
EXPLAIN ANALYZE SELECT * FROM left_table SEMI JOIN right_table USING (a);
----
analyzed_plan	<REGEX>:.*RIGHT_SEMI.*

# natural anti join works
query II
explain analyze SELECT * FROM left_table NATURAL SEMI JOIN right_table;
----
analyzed_plan	<REGEX>:.*RIGHT_SEMI.*

query II
EXPLAIN ANALYZE SELECT * FROM left_table
NATURAL SEMI JOIN (select right_table.a FROM right_table JOIN other ON (other.a = right_table.a)) joined_right_table;
----
analyzed_plan	<REGEX>:.*RIGHT_SEMI.*

# right_table.a and left_table.a have the value 42
# only left_table.a has the value 43
# test flip on inequalities as well
query II
EXPLAIN ANALYZE SELECT * FROM left_table SEMI JOIN right_table ON (left_table.a <> right_table.a) ORDER BY a, c;
----
analyzed_plan	<!REGEX>:.*RIGHT_SEMI.*


# range joins do *not* flip
query II
EXPLAIN ANALYZE SELECT * FROM left_table SEMI JOIN right_table ON (left_table.a > right_table.a);
----
analyzed_plan	<!REGEX>:.*RIGHT_SEMI.*


# complex condition resulting in an any join DOES *NOT* flip
query II
explain analyze SELECT * FROM left_table SEMI JOIN right_table ON (left_table.a + right_table.a = 85 OR left_table.a + right_table.b = 84) order by left_table.a, left_table.c;
----
analyzed_plan	<!REGEX>:.*RIGHT_SEMI.*


statement ok
INSERT INTO right_table VALUES (1, 42), (1, 42);

# Insert more values so that the scan side in the cross product is the right hand side
statement ok
INSERT INTO left_table VALUES (42, 1, 5), (42, 1, 5), (42, 1, 5), (2000, 20000, 200000);

# complex condition resulting in an any join does *NOT* flip
query II
explain analyze SELECT * FROM left_table SEMI JOIN right_table ON (left_table.a + right_table.a = 85 OR left_table.a + right_table.b = 84) order by left_table.a, left_table.c;
----
analyzed_plan	<!REGEX>:.*RIGHT_SEMI.*

# correlated subqueries can flip
query II
explain analyze SELECT a as outer_a, (SELECT MAX(right_table.b) FROM right_table where right_table.a != outer_a) right_table_b FROM left_table SEMI JOIN right_table ON (left_table.a = right_table.a) Order by outer_a, right_table_b;
----
analyzed_plan	<REGEX>:.*RIGHT_SEMI.*

statement ok
INSERT INTO right_table VALUES (1, 20);

# correlated subqueries
query II
explain analyze SELECT a as outer_a, (SELECT MAX(b) FROM right_table where right_table.a != outer_a) right_table_b FROM left_table SEMI JOIN right_table ON (left_table.a = right_table.a) Order by outer_a, right_table_b;
----
analyzed_plan	<REGEX>:.*RIGHT_SEMI.*

statement ok
SET scalar_subquery_error_on_multiple_rows=false

query II
explain analyze SELECT a as outer_a, (SELECT right_table.b FROM right_table where right_table.a != outer_a) right_table_b FROM left_table SEMI JOIN right_table ON (left_table.a = right_table.a) Order by outer_a, right_table_b;
----
analyzed_plan	<REGEX>:.*RIGHT_SEMI.*

statement ok
INSERT INTO right_table VALUES (1, 20);

# correlated subqueries
query II
explain analyze SELECT a as outer_a, (SELECT b FROM right_table where right_table.a != outer_a) right_table_b FROM left_table SEMI JOIN right_table ON (left_table.a = right_table.a) Order by outer_a, right_table_b;
----
analyzed_plan	<REGEX>:.*RIGHT_SEMI.*