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# 2022 May 17
#
# The author disclaims copyright to this source code. In place of
# a legal notice, here is a blessing:
#
# May you do good and not evil.
# May you find forgiveness for yourself and forgive others.
# May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix joinI
do_execsql_test 1.0 {
CREATE TABLE t1(a INT);
CREATE TABLE t2(b INT);
CREATE TABLE t3(c INT);
}
foreach {tn sql} {
1 "SELECT * FROM t1 RIGHT JOIN t2 ON t2.b=t3.c CROSS JOIN t3"
2 "SELECT * FROM t1 RIGHT JOIN t2 ON t2.b=(SELECT t3.c) CROSS JOIN t3"
3 "SELECT * FROM t1 RIGHT JOIN t2 ON CASE WHEN t2.b THEN t3.c ELSE 1 END CROSS JOIN t3"
} {
do_catchsql_test 1.1.$tn $sql {1 {ON clause references tables to its right}}
}
#-------------------------------------------------------------------------
reset_db
do_execsql_test 2.0 {
CREATE TABLE t0(c0 INT, c1 INT);
CREATE TABLE t1 (c0 INT);
CREATE VIEW v1(c0) AS SELECT t0.c0 FROM t0 NATURAL RIGHT JOIN t1;
CREATE VIEW v2(c0) AS SELECT 0 FROM v1;
INSERT INTO t0(c0, c1) VALUES (-1, 0);
INSERT INTO t1(c0) VALUES (NULL);
SELECT * FROM v1 INNER JOIN (v2 CROSS JOIN t0) ON (t0.c0 < t0.c1);
} {{} 0 -1 0}
#-------------------------------------------------------------------------
reset_db
do_execsql_test 3.0 {
CREATE TABLE t0(c0, c1);
CREATE TABLE t1(v);
CREATE TABLE t2(w);
CREATE TABLE t3(x);
CREATE TABLE t4(y);
CREATE TABLE t5(z);
}
do_execsql_test 3.1 {
SELECT 1234 FROM t4
RIGHT JOIN t5
CROSS JOIN (t2 CROSS JOIN t0) AS a1 ON (a1.c0 < a1.c1);
}
do_execsql_test 3.2 {
SELECT 1234 FROM t4
RIGHT JOIN t5
CROSS JOIN (t2 CROSS JOIN t1 CROSS JOIN t0) AS a1 ON (a1.c0 < a1.c1);
}
do_execsql_test 3.3 {
SELECT 5678 FROM t0 RIGHT JOIN t1 ON (
SELECT 1 FROM t2 RIGHT JOIN t3 ON t2.w
) CROSS JOIN t4;
}
do_catchsql_test 3.4 {
SELECT 5678 FROM t0 RIGHT JOIN t1 ON (
SELECT 1 FROM t2 RIGHT JOIN t3 ON t4.y
) CROSS JOIN t4;
} {1 {ON clause references tables to its right}}
do_execsql_test 3.5 {
SELECT 5678 FROM t0 RIGHT JOIN t1 ON (
SELECT 1 FROM t2 RIGHT JOIN t3 ON 0=t1.v
) CROSS JOIN t4;
}
do_catchsql_test 3.6 {
SELECT 5678 FROM t0 RIGHT JOIN t1 ON (
SELECT 1 FROM t2 RIGHT JOIN t3 ON max(0,t5.z) CROSS JOIN t5
) CROSS JOIN t4;
} {1 {ON clause references tables to its right}}
#-------------------------------------------------------------------------
reset_db
do_execsql_test 4.0 {
CREATE TABLE t1(a);
CREATE TABLE t2(b);
CREATE TABLE t3(c, d);
}
do_catchsql_test 4.1 {
SELECT c+d AS cd FROM t1 LEFT JOIN t2 ON (cd=5) CROSS JOIN t3;
} {1 {ON clause references tables to its right}}
#-------------------------------------------------------------------------
reset_db
do_execsql_test 5.0 {
CREATE TABLE parent1(parent1key, child1key, Child2key, child3key);
CREATE TABLE child1 ( child1key NVARCHAR, value NVARCHAR );
CREATE TABLE child2 ( child2key NVARCHAR, value NVARCHAR );
}
do_execsql_test 5.1 {
SELECT parent1.parent1key, child1.value, child2.value
FROM parent1
LEFT OUTER JOIN child1 ON child1.child1key = parent1.child1key
INNER JOIN child2 ON child2.child2key = parent1.child2key;
}
finish_test
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