331 lines
8.9 KiB
Plaintext
331 lines
8.9 KiB
Plaintext
# 2005 September 19
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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# This file implements regression tests for SQLite library.
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#
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# This file implements tests for left outer joins containing ON
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# clauses that restrict the scope of the left term of the join.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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set testprefix join5
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do_test join5-1.1 {
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execsql {
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BEGIN;
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CREATE TABLE t1(a integer primary key, b integer, c integer);
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CREATE TABLE t2(x integer primary key, y);
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CREATE TABLE t3(p integer primary key, q);
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INSERT INTO t3 VALUES(11,'t3-11');
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INSERT INTO t3 VALUES(12,'t3-12');
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INSERT INTO t2 VALUES(11,'t2-11');
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INSERT INTO t2 VALUES(12,'t2-12');
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INSERT INTO t1 VALUES(1, 5, 0);
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INSERT INTO t1 VALUES(2, 11, 2);
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INSERT INTO t1 VALUES(3, 12, 1);
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COMMIT;
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}
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} {}
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do_test join5-1.2 {
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execsql {
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select * from t1 left join t2 on t1.b=t2.x and t1.c=1
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}
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} {1 5 0 {} {} 2 11 2 {} {} 3 12 1 12 t2-12}
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do_test join5-1.3 {
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execsql {
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select * from t1 left join t2 on t1.b=t2.x where t1.c=1
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}
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} {3 12 1 12 t2-12}
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do_test join5-1.4 {
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execsql {
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select * from t1 left join t2 on t1.b=t2.x and t1.c=1
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left join t3 on t1.b=t3.p and t1.c=2
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}
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} {1 5 0 {} {} {} {} 2 11 2 {} {} 11 t3-11 3 12 1 12 t2-12 {} {}}
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do_test join5-1.5 {
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execsql {
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select * from t1 left join t2 on t1.b=t2.x and t1.c=1
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left join t3 on t1.b=t3.p where t1.c=2
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}
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} {2 11 2 {} {} 11 t3-11}
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# Ticket #2403
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#
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do_test join5-2.1 {
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execsql {
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CREATE TABLE ab(a,b);
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INSERT INTO "ab" VALUES(1,2);
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INSERT INTO "ab" VALUES(3,NULL);
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CREATE TABLE xy(x,y);
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INSERT INTO "xy" VALUES(2,3);
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INSERT INTO "xy" VALUES(NULL,1);
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}
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execsql {SELECT * FROM xy LEFT JOIN ab ON 0}
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} {2 3 {} {} {} 1 {} {}}
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do_test join5-2.2 {
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execsql {SELECT * FROM xy LEFT JOIN ab ON 1}
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} {2 3 1 2 2 3 3 {} {} 1 1 2 {} 1 3 {}}
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do_test join5-2.3 {
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execsql {SELECT * FROM xy LEFT JOIN ab ON NULL}
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} {2 3 {} {} {} 1 {} {}}
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do_test join5-2.4 {
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execsql {SELECT * FROM xy LEFT JOIN ab ON 0 WHERE 0}
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} {}
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do_test join5-2.5 {
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execsql {SELECT * FROM xy LEFT JOIN ab ON 1 WHERE 0}
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} {}
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do_test join5-2.6 {
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execsql {SELECT * FROM xy LEFT JOIN ab ON NULL WHERE 0}
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} {}
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do_test join5-2.7 {
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execsql {SELECT * FROM xy LEFT JOIN ab ON 0 WHERE 1}
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} {2 3 {} {} {} 1 {} {}}
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do_test join5-2.8 {
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execsql {SELECT * FROM xy LEFT JOIN ab ON 1 WHERE 1}
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} {2 3 1 2 2 3 3 {} {} 1 1 2 {} 1 3 {}}
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do_test join5-2.9 {
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execsql {SELECT * FROM xy LEFT JOIN ab ON NULL WHERE 1}
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} {2 3 {} {} {} 1 {} {}}
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do_test join5-2.10 {
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execsql {SELECT * FROM xy LEFT JOIN ab ON 0 WHERE NULL}
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} {}
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do_test join5-2.11 {
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execsql {SELECT * FROM xy LEFT JOIN ab ON 1 WHERE NULL}
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} {}
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do_test join5-2.12 {
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execsql {SELECT * FROM xy LEFT JOIN ab ON NULL WHERE NULL}
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} {}
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# Ticket https://www.sqlite.org/src/tktview/6f2222d550f5b0ee7ed37601
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# Incorrect output on a LEFT JOIN.
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#
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do_execsql_test join5-3.1 {
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DROP TABLE IF EXISTS t1;
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DROP TABLE IF EXISTS t2;
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DROP TABLE IF EXISTS t3;
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CREATE TABLE x1(a);
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INSERT INTO x1 VALUES(1);
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CREATE TABLE x2(b NOT NULL);
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CREATE TABLE x3(c, d);
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INSERT INTO x3 VALUES('a', NULL);
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INSERT INTO x3 VALUES('b', NULL);
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INSERT INTO x3 VALUES('c', NULL);
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SELECT * FROM x1 LEFT JOIN x2 LEFT JOIN x3 ON x3.d = x2.b;
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} {1 {} {} {}}
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do_execsql_test join5-3.2 {
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DROP TABLE IF EXISTS t1;
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DROP TABLE IF EXISTS t2;
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DROP TABLE IF EXISTS t3;
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DROP TABLE IF EXISTS t4;
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DROP TABLE IF EXISTS t5;
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CREATE TABLE t1(x text NOT NULL, y text);
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CREATE TABLE t2(u text NOT NULL, x text NOT NULL);
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CREATE TABLE t3(w text NOT NULL, v text);
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CREATE TABLE t4(w text NOT NULL, z text NOT NULL);
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CREATE TABLE t5(z text NOT NULL, m text);
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INSERT INTO t1 VALUES('f6d7661f-4efe-4c90-87b5-858e61cd178b',NULL);
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INSERT INTO t1 VALUES('f6ea82c3-2cad-45ce-ae8f-3ddca4fb2f48',NULL);
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INSERT INTO t1 VALUES('f6f47499-ecb4-474b-9a02-35be73c235e5',NULL);
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INSERT INTO t1 VALUES('56f47499-ecb4-474b-9a02-35be73c235e5',NULL);
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INSERT INTO t3 VALUES('007f2033-cb20-494c-b135-a1e4eb66130c',
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'f6d7661f-4efe-4c90-87b5-858e61cd178b');
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SELECT *
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FROM t3
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INNER JOIN t1 ON t1.x= t3.v AND t1.y IS NULL
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LEFT JOIN t4 ON t4.w = t3.w
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LEFT JOIN t5 ON t5.z = t4.z
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LEFT JOIN t2 ON t2.u = t5.m
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LEFT JOIN t1 xyz ON xyz.y = t2.x;
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} {007f2033-cb20-494c-b135-a1e4eb66130c f6d7661f-4efe-4c90-87b5-858e61cd178b f6d7661f-4efe-4c90-87b5-858e61cd178b {} {} {} {} {} {} {} {} {}}
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do_execsql_test join5-3.3 {
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DROP TABLE IF EXISTS x1;
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DROP TABLE IF EXISTS x2;
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DROP TABLE IF EXISTS x3;
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CREATE TABLE x1(a);
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INSERT INTO x1 VALUES(1);
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CREATE TABLE x2(b NOT NULL);
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CREATE TABLE x3(c, d);
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INSERT INTO x3 VALUES('a', NULL);
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INSERT INTO x3 VALUES('b', NULL);
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INSERT INTO x3 VALUES('c', NULL);
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SELECT * FROM x1 LEFT JOIN x2 JOIN x3 WHERE x3.d = x2.b;
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} {}
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# Ticket https://www.sqlite.org/src/tktview/c2a19d81652f40568c770c43 on
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# 2015-08-20. LEFT JOIN and the push-down optimization.
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#
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do_execsql_test join5-4.1 {
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SELECT *
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FROM (
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SELECT 'apple' fruit
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UNION ALL SELECT 'banana'
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) a
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JOIN (
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SELECT 'apple' fruit
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UNION ALL SELECT 'banana'
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) b ON a.fruit=b.fruit
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LEFT JOIN (
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SELECT 1 isyellow
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) c ON b.fruit='banana';
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} {apple apple {} banana banana 1}
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do_execsql_test join5-4.2 {
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SELECT *
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FROM (SELECT 'apple' fruit UNION ALL SELECT 'banana')
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LEFT JOIN (SELECT 1) ON fruit='banana';
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} {apple {} banana 1}
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#-------------------------------------------------------------------------
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do_execsql_test 5.0 {
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CREATE TABLE y1(x, y, z);
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INSERT INTO y1 VALUES(0, 0, 1);
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CREATE TABLE y2(a);
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}
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do_execsql_test 5.1 {
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SELECT count(z) FROM y1 LEFT JOIN y2 ON x GROUP BY y;
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} 1
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do_execsql_test 5.2 {
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SELECT count(z) FROM ( SELECT * FROM y1 ) LEFT JOIN y2 ON x GROUP BY y;
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} 1
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do_execsql_test 5.3 {
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CREATE VIEW v1 AS SELECT x, y, z FROM y1;
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SELECT count(z) FROM v1 LEFT JOIN y2 ON x GROUP BY y;
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} 1
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do_execsql_test 5.4 {
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SELECT count(z) FROM ( SELECT * FROM y1 ) LEFT JOIN y2 ON x
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} 1
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do_execsql_test 5.5 {
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SELECT * FROM ( SELECT * FROM y1 ) LEFT JOIN y2 ON x
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} {0 0 1 {}}
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#-------------------------------------------------------------------------
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#
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reset_db
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do_execsql_test 6.1 {
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CREATE TABLE t1(x);
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INSERT INTO t1 VALUES(1);
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CREATE TABLE t2(y INTEGER PRIMARY KEY,a,b);
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INSERT INTO t2 VALUES(1,2,3);
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CREATE INDEX t2a ON t2(a);
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CREATE INDEX t2b ON t2(b);
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}
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do_execsql_test 6.2 {
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SELECT * FROM t1 LEFT JOIN t2 ON a=2 OR b=3 WHERE y IS NULL;
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} {}
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do_execsql_test 6.3.1 {
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CREATE TABLE t3(x);
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INSERT INTO t3 VALUES(1);
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CREATE TABLE t4(y, z);
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SELECT ifnull(z, '!!!') FROM t3 LEFT JOIN t4 ON (x=y);
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} {!!!}
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do_execsql_test 6.3.2 {
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CREATE INDEX t4i ON t4(y, ifnull(z, '!!!'));
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SELECT ifnull(z, '!!!') FROM t3 LEFT JOIN t4 ON (x=y);
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} {!!!}
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# 2019-02-08 https://sqlite.org/src/info/4e8e4857d32d401f
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reset_db
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do_execsql_test 6.100 {
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CREATE TABLE t1(aa, bb);
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CREATE INDEX t1x1 on t1(abs(aa), abs(bb));
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INSERT INTO t1 VALUES(-2,-3),(+2,-3),(-2,+3),(+2,+3);
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SELECT * FROM (t1)
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WHERE ((abs(aa)=1 AND 1=2) OR abs(aa)=2)
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AND abs(bb)=3
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ORDER BY +1, +2;
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} {-2 -3 -2 3 2 -3 2 3}
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#-------------------------------------------------------------------------
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#
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reset_db
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do_execsql_test 7.0 {
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CREATE TABLE t1(x);
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INSERT INTO t1 VALUES(1);
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}
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do_execsql_test 7.1 {
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CREATE TABLE t2(x, y, z);
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CREATE INDEX t2xy ON t2(x, y);
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WITH s(i) AS (
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SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<50000
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)
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INSERT INTO t2 SELECT i/10, i, NULL FROM s;
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ANALYZE;
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}
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do_eqp_test 7.2 {
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SELECT * FROM t1 LEFT JOIN t2 ON (
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t2.x = t1.x AND (t2.y=? OR (t2.y=? AND t2.z IS NOT NULL))
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);
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} {
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QUERY PLAN
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|--SCAN TABLE t1
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`--MULTI-INDEX OR
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|--INDEX 1
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| `--SEARCH TABLE t2 USING INDEX t2xy (x=? AND y=?)
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`--INDEX 2
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`--SEARCH TABLE t2 USING INDEX t2xy (x=? AND y=?)
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}
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do_execsql_test 7.3 {
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CREATE TABLE t3(x);
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CREATE TABLE t4(x, y, z);
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CREATE INDEX t4xy ON t4(x, y);
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CREATE INDEX t4xz ON t4(x, z);
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WITH s(i) AS ( SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<50000)
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INSERT INTO t4 SELECT i/10, i, i FROM s;
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ANALYZE;
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}
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do_eqp_test 7.4 {
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SELECT * FROM t3 LEFT JOIN t4 ON (t4.x = t3.x) WHERE (t4.y = ? OR t4.z = ?);
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} {
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QUERY PLAN
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|--SCAN TABLE t3
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`--SEARCH TABLE t4 USING INDEX t4xz (x=?)
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}
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reset_db
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do_execsql_test 8.0 {
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CREATE TABLE t0 (c0, c1, PRIMARY KEY (c0, c1));
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CREATE TABLE t1 (c0);
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INSERT INTO t1 VALUES (2);
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INSERT INTO t0 VALUES(0, 10);
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INSERT INTO t0 VALUES(1, 10);
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INSERT INTO t0 VALUES(2, 10);
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INSERT INTO t0 VALUES(3, 10);
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}
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do_execsql_test 8.1 {
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SELECT * FROM t0, t1
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WHERE (t0.c1 >= 1 OR t0.c1 < 1) AND t0.c0 IN (1, t1.c0) ORDER BY 1;
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} {
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1 10 2
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2 10 2
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}
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finish_test
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