mirror of https://github.com/sqlite/sqlite
63 lines
1.8 KiB
Plaintext
63 lines
1.8 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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# $Id: join5.test,v 1.1 2005/09/19 21:05:50 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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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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finish_test
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