mirror of https://github.com/sqlite/sqlite
288 lines
6.6 KiB
Plaintext
288 lines
6.6 KiB
Plaintext
# 2002 May 24
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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 joins, including outer joins.
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#
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# $Id: join.test,v 1.5 2002/07/31 19:50:28 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 join-1.1 {
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execsql {
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CREATE TABLE t1(a,b,c);
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INSERT INTO t1 VALUES(1,2,3);
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INSERT INTO t1 VALUES(2,3,4);
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INSERT INTO t1 VALUES(3,4,5);
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SELECT * FROM t1;
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}
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} {1 2 3 2 3 4 3 4 5}
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do_test join-1.2 {
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execsql {
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CREATE TABLE t2(b,c,d);
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INSERT INTO t2 VALUES(1,2,3);
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INSERT INTO t2 VALUES(2,3,4);
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INSERT INTO t2 VALUES(3,4,5);
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SELECT * FROM t2;
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}
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} {1 2 3 2 3 4 3 4 5}
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do_test join-1.3 {
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execsql2 {
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SELECT * FROM t1 NATURAL JOIN t2;
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}
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} {t1.a 1 t1.b 2 t1.c 3 t2.d 4 t1.a 2 t1.b 3 t1.c 4 t2.d 5}
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do_test join-1.3.1 {
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execsql2 {
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SELECT * FROM t2 NATURAL JOIN t1;
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}
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} {t2.b 2 t2.c 3 t2.d 4 t1.a 1 t2.b 3 t2.c 4 t2.d 5 t1.a 2}
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do_test join-1.4 {
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execsql2 {
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SELECT * FROM t1 INNER JOIN t2 USING(b,c);
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}
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} {t1.a 1 t1.b 2 t1.c 3 t2.d 4 t1.a 2 t1.b 3 t1.c 4 t2.d 5}
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do_test join-1.5 {
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execsql2 {
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SELECT * FROM t1 INNER JOIN t2 USING(b);
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}
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} {t1.a 1 t1.b 2 t1.c 3 t2.c 3 t2.d 4 t1.a 2 t1.b 3 t1.c 4 t2.c 4 t2.d 5}
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do_test join-1.6 {
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execsql2 {
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SELECT * FROM t1 INNER JOIN t2 USING(c);
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}
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} {t1.a 1 t1.b 2 t1.c 3 t2.b 2 t2.d 4 t1.a 2 t1.b 3 t1.c 4 t2.b 3 t2.d 5}
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do_test join-1.7 {
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execsql2 {
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SELECT * FROM t1 INNER JOIN t2 USING(c,b);
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}
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} {t1.a 1 t1.b 2 t1.c 3 t2.d 4 t1.a 2 t1.b 3 t1.c 4 t2.d 5}
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do_test join-1.8 {
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execsql {
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SELECT * FROM t1 NATURAL CROSS JOIN t2;
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}
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} {1 2 3 4 2 3 4 5}
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do_test join-1.9 {
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execsql {
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SELECT * FROM t1 CROSS JOIN t2 USING(b,c);
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}
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} {1 2 3 4 2 3 4 5}
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do_test join-1.10 {
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execsql {
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SELECT * FROM t1 NATURAL INNER JOIN t2;
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}
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} {1 2 3 4 2 3 4 5}
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do_test join-1.11 {
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execsql {
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SELECT * FROM t1 INNER JOIN t2 USING(b,c);
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}
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} {1 2 3 4 2 3 4 5}
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do_test join-1.12 {
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execsql {
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SELECT * FROM t1 natural inner join t2;
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}
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} {1 2 3 4 2 3 4 5}
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do_test join-1.13 {
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execsql2 {
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SELECT * FROM t1 NATURAL JOIN
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(SELECT b as 'c', c as 'd', d as 'e' FROM t2) as t3
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}
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} {t1.a 1 t1.b 2 t1.c 3 t3.d 4 t3.e 5}
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do_test join-1.14 {
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execsql2 {
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SELECT * FROM (SELECT b as 'c', c as 'd', d as 'e' FROM t2) as 'tx'
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NATURAL JOIN t1
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}
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} {tx.c 3 tx.d 4 tx.e 5 t1.a 1 t1.b 2}
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do_test join-1.15 {
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execsql {
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CREATE TABLE t3(c,d,e);
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INSERT INTO t3 VALUES(2,3,4);
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INSERT INTO t3 VALUES(3,4,5);
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INSERT INTO t3 VALUES(4,5,6);
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SELECT * FROM t3;
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}
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} {2 3 4 3 4 5 4 5 6}
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do_test join-1.16 {
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execsql {
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SELECT * FROM t1 natural join t2 natural join t3;
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}
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} {1 2 3 4 5 2 3 4 5 6}
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do_test join-1.17 {
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execsql2 {
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SELECT * FROM t1 natural join t2 natural join t3;
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}
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} {t1.a 1 t1.b 2 t1.c 3 t2.d 4 t3.e 5 t1.a 2 t1.b 3 t1.c 4 t2.d 5 t3.e 6}
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do_test join-1.18 {
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execsql {
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CREATE TABLE t4(d,e,f);
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INSERT INTO t4 VALUES(2,3,4);
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INSERT INTO t4 VALUES(3,4,5);
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INSERT INTO t4 VALUES(4,5,6);
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SELECT * FROM t4;
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}
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} {2 3 4 3 4 5 4 5 6}
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do_test join-1.19 {
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execsql {
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SELECT * FROM t1 natural join t2 natural join t4;
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}
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} {1 2 3 4 5 6}
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do_test join-1.19 {
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execsql2 {
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SELECT * FROM t1 natural join t2 natural join t4;
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}
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} {t1.a 1 t1.b 2 t1.c 3 t2.d 4 t4.e 5 t4.f 6}
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do_test join-1.20 {
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execsql {
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SELECT * FROM t1 natural join t2 natural join t3 WHERE t1.a=1
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}
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} {1 2 3 4 5}
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do_test join-2.1 {
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execsql {
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SELECT * FROM t1 NATURAL LEFT JOIN t2;
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}
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} {1 2 3 4 2 3 4 5 3 4 5 {}}
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do_test join-2.2 {
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execsql {
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SELECT * FROM t2 NATURAL LEFT OUTER JOIN t1;
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}
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} {1 2 3 {} 2 3 4 1 3 4 5 2}
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do_test join-2.3 {
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catchsql {
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SELECT * FROM t1 NATURAL RIGHT OUTER JOIN t2;
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}
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} {1 {RIGHT and FULL OUTER JOINs are not currently supported}}
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do_test join-2.4 {
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execsql {
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SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.d
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}
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} {1 2 3 {} {} {} 2 3 4 {} {} {} 3 4 5 1 2 3}
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do_test join-2.5 {
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execsql {
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SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.d WHERE t1.a>1
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}
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} {2 3 4 {} {} {} 3 4 5 1 2 3}
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do_test join-2.6 {
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execsql {
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SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.d WHERE t2.b IS NULL OR t2.b>1
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}
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} {1 2 3 {} {} {} 2 3 4 {} {} {}}
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do_test join-3.1 {
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catchsql {
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SELECT * FROM t1 NATURAL JOIN t2 ON t1.a=t2.b;
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}
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} {1 {a NATURAL join may not have an ON or USING clause}}
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do_test join-3.2 {
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catchsql {
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SELECT * FROM t1 NATURAL JOIN t2 USING(b);
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}
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} {1 {a NATURAL join may not have an ON or USING clause}}
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do_test join-3.3 {
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catchsql {
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SELECT * FROM t1 JOIN t2 ON t1.a=t2.b USING(b);
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}
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} {1 {cannot have both ON and USING clauses in the same join}}
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do_test join-3.4 {
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catchsql {
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SELECT * FROM t1 JOIN t2 USING(a);
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}
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} {1 {cannot join using column a - column not present in both tables}}
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do_test join-3.5 {
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catchsql {
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SELECT * FROM t1 USING(a);
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}
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} {0 {1 2 3 2 3 4 3 4 5}}
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do_test join-3.6 {
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catchsql {
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SELECT * FROM t1 JOIN t2 ON t3.a=t2.b;
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}
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} {1 {no such column: t3.a}}
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do_test join-3.7 {
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catchsql {
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SELECT * FROM t1 INNER OUTER JOIN t2;
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}
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} {1 {unknown or unsupported join type: INNER OUTER}}
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do_test join-3.7 {
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catchsql {
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SELECT * FROM t1 LEFT BOGUS JOIN t2;
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}
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} {1 {unknown or unsupported join type: LEFT BOGUS}}
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do_test join-4.1 {
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execsql {
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BEGIN;
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CREATE TABLE t5(a INTEGER PRIMARY KEY);
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CREATE TABLE t6(a INTEGER);
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INSERT INTO t6 VALUES(NULL);
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INSERT INTO t6 VALUES(NULL);
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INSERT INTO t6 SELECT * FROM t6;
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INSERT INTO t6 SELECT * FROM t6;
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INSERT INTO t6 SELECT * FROM t6;
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INSERT INTO t6 SELECT * FROM t6;
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INSERT INTO t6 SELECT * FROM t6;
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INSERT INTO t6 SELECT * FROM t6;
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COMMIT;
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}
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execsql {
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SELECT * FROM t6 NATURAL JOIN t5;
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}
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} {}
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do_test join-4.2 {
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execsql {
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SELECT * FROM t6, t5 WHERE t6.a<t5.a;
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}
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} {}
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do_test join-4.3 {
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execsql {
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SELECT * FROM t6, t5 WHERE t6.a>t5.a;
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}
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} {}
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do_test join-4.4 {
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execsql {
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UPDATE t6 SET a='xyz';
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SELECT * FROM t6 NATURAL JOIN t5;
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}
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} {}
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do_test join-4.6 {
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execsql {
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SELECT * FROM t6, t5 WHERE t6.a<t5.a;
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}
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} {}
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do_test join-4.7 {
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execsql {
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SELECT * FROM t6, t5 WHERE t6.a>t5.a;
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}
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} {}
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do_test join-4.8 {
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execsql {
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UPDATE t6 SET a=1;
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SELECT * FROM t6 NATURAL JOIN t5;
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}
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} {}
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do_test join-4.9 {
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execsql {
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SELECT * FROM t6, t5 WHERE t6.a<t5.a;
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}
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} {}
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do_test join-4.10 {
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execsql {
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SELECT * FROM t6, t5 WHERE t6.a>t5.a;
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}
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} {}
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finish_test
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