mirror of
https://github.com/sqlite/sqlite.git
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579 lines
13 KiB
Plaintext
579 lines
13 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 involving
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# virtual tables. The test cases in this file are copied from the file
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# join.test, and some of the comments still reflect that.
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#
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# $Id: vtab6.test,v 1.5 2009/07/01 16:12:08 danielk1977 Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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ifcapable !vtab {
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finish_test
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return
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}
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register_echo_module [sqlite3_connection_pointer db]
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execsql {
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CREATE TABLE real_t1(a,b,c);
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CREATE TABLE real_t2(b,c,d);
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CREATE TABLE real_t3(c,d,e);
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CREATE TABLE real_t4(d,e,f);
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CREATE TABLE real_t5(a INTEGER PRIMARY KEY);
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CREATE TABLE real_t6(a INTEGER);
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CREATE TABLE real_t7 (x, y);
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CREATE TABLE real_t8 (a integer primary key, b);
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CREATE TABLE real_t9(a INTEGER PRIMARY KEY, b);
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CREATE TABLE real_t10(x INTEGER PRIMARY KEY, y);
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CREATE TABLE real_t11(p INTEGER PRIMARY KEY, q);
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CREATE TABLE real_t12(a,b);
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CREATE TABLE real_t13(b,c);
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CREATE TABLE real_t21(a,b,c);
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CREATE TABLE real_t22(p,q);
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}
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foreach t [list t1 t2 t3 t4 t5 t6 t7 t8 t9 t10 t11 t12 t13 t21 t22] {
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execsql "CREATE VIRTUAL TABLE $t USING echo(real_$t)"
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}
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do_test vtab6-1.1 {
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execsql {
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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 vtab6-1.2 {
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execsql {
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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 vtab6-1.3 {
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execsql2 {
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SELECT * FROM t1 NATURAL JOIN t2;
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}
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} {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5}
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do_test vtab6-1.3.1 {
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execsql2 {
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SELECT * FROM t2 NATURAL JOIN t1;
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}
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} {b 2 c 3 d 4 a 1 b 3 c 4 d 5 a 2}
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do_test vtab6-1.3.2 {
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execsql2 {
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SELECT * FROM t2 AS x NATURAL JOIN t1;
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}
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} {b 2 c 3 d 4 a 1 b 3 c 4 d 5 a 2}
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do_test vtab6-1.3.3 {
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execsql2 {
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SELECT * FROM t2 NATURAL JOIN t1 AS y;
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}
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} {b 2 c 3 d 4 a 1 b 3 c 4 d 5 a 2}
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do_test vtab6-1.3.4 {
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execsql {
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SELECT b FROM t1 NATURAL JOIN t2;
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}
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} {2 3}
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do_test vtab6-1.4.1 {
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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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} {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5}
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do_test vtab6-1.4.2 {
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execsql2 {
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SELECT * FROM t1 AS x INNER JOIN t2 USING(b,c);
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}
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} {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5}
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do_test vtab6-1.4.3 {
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execsql2 {
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SELECT * FROM t1 INNER JOIN t2 AS y USING(b,c);
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}
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} {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5}
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do_test vtab6-1.4.4 {
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execsql2 {
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SELECT * FROM t1 AS x INNER JOIN t2 AS y USING(b,c);
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}
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} {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5}
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do_test vtab6-1.4.5 {
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execsql {
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SELECT b FROM t1 JOIN t2 USING(b);
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}
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} {2 3}
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do_test vtab6-1.5 {
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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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} {a 1 b 2 c 3 c 3 d 4 a 2 b 3 c 4 c 4 d 5}
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do_test vtab6-1.6 {
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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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} {a 1 b 2 c 3 b 2 d 4 a 2 b 3 c 4 b 3 d 5}
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do_test vtab6-1.7 {
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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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} {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5}
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do_test vtab6-1.8 {
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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 vtab6-1.9 {
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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 vtab6-1.10 {
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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 vtab6-1.11 {
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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 vtab6-1.12 {
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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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ifcapable subquery {
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do_test vtab6-1.13 {
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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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} {a 1 b 2 c 3 d 4 e 5}
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do_test vtab6-1.14 {
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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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} {c 3 d 4 e 5 a 1 b 2}
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}
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do_test vtab6-1.15 {
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execsql {
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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 vtab6-1.16 {
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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 vtab6-1.17 {
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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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} {a 1 b 2 c 3 d 4 e 5 a 2 b 3 c 4 d 5 e 6}
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do_test vtab6-1.18 {
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execsql {
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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 vtab6-1.19.1 {
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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 vtab6-1.19.2 {
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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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} {a 1 b 2 c 3 d 4 e 5 f 6}
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do_test vtab6-1.20 {
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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 vtab6-2.1 {
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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 vtab6-2.2 {
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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 vtab6-2.3 {
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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 vtab6-2.4 {
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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 vtab6-2.4.1 {
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execsql {
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SELECT * FROM t1 LEFT JOIN t2 ON t1.a IS 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 vtab6-2.5 {
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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 vtab6-2.6 {
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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 vtab6-3.1 {
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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 vtab6-3.2 {
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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 vtab6-3.3 {
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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 vtab6-3.4 {
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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 vtab6-3.5 {
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catchsql { SELECT * FROM t1 USING(a) }
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} {1 {a JOIN clause is required before USING}}
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do_test vtab6-3.6 {
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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 vtab6-3.7 {
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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 vtab6-3.7 {
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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 vtab6-4.1 {
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execsql {
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BEGIN;
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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 vtab6-4.2 {
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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 vtab6-4.3 {
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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 vtab6-4.4 {
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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 vtab6-4.6 {
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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 vtab6-4.7 {
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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 vtab6-4.8 {
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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 vtab6-4.9 {
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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 vtab6-4.10 {
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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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# A test for ticket #247.
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#
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do_test vtab6-7.1 {
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execsql {
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INSERT INTO t7 VALUES ("pa1", 1);
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INSERT INTO t7 VALUES ("pa2", NULL);
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INSERT INTO t7 VALUES ("pa3", NULL);
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INSERT INTO t7 VALUES ("pa4", 2);
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INSERT INTO t7 VALUES ("pa30", 131);
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INSERT INTO t7 VALUES ("pa31", 130);
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INSERT INTO t7 VALUES ("pa28", NULL);
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INSERT INTO t8 VALUES (1, "pa1");
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INSERT INTO t8 VALUES (2, "pa4");
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INSERT INTO t8 VALUES (3, NULL);
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INSERT INTO t8 VALUES (4, NULL);
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INSERT INTO t8 VALUES (130, "pa31");
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INSERT INTO t8 VALUES (131, "pa30");
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SELECT coalesce(t8.a,999) from t7 LEFT JOIN t8 on y=a;
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}
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} {1 999 999 2 131 130 999}
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# Make sure a left join where the right table is really a view that
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# is itself a join works right. Ticket #306.
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#
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ifcapable view {
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do_test vtab6-8.1 {
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execsql {
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BEGIN;
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INSERT INTO t9 VALUES(1,11);
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INSERT INTO t9 VALUES(2,22);
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INSERT INTO t10 VALUES(1,2);
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INSERT INTO t10 VALUES(3,3);
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INSERT INTO t11 VALUES(2,111);
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INSERT INTO t11 VALUES(3,333);
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CREATE VIEW v10_11 AS SELECT x, q FROM t10, t11 WHERE t10.y=t11.p;
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COMMIT;
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SELECT * FROM t9 LEFT JOIN v10_11 ON( a=x );
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}
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} {1 11 1 111 2 22 {} {}}
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ifcapable subquery {
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do_test vtab6-8.2 {
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execsql {
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SELECT * FROM t9 LEFT JOIN (SELECT x, q FROM t10, t11 WHERE t10.y=t11.p)
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ON( a=x);
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}
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} {1 11 1 111 2 22 {} {}}
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}
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do_test vtab6-8.3 {
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execsql {
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SELECT * FROM v10_11 LEFT JOIN t9 ON( a=x );
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}
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} {1 111 1 11 3 333 {} {}}
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} ;# ifcapable view
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# Ticket #350 describes a scenario where LEFT OUTER JOIN does not
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# function correctly if the right table in the join is really
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# subquery.
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#
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# To test the problem, we generate the same LEFT OUTER JOIN in two
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# separate selects but with on using a subquery and the other calling
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# the table directly. Then connect the two SELECTs using an EXCEPT.
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# Both queries should generate the same results so the answer should
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# be an empty set.
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#
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ifcapable compound {
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do_test vtab6-9.1 {
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execsql {
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BEGIN;
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INSERT INTO t12 VALUES(1,11);
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INSERT INTO t12 VALUES(2,22);
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INSERT INTO t13 VALUES(22,222);
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COMMIT;
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}
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} {}
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ifcapable subquery {
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do_test vtab6-9.1.1 {
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execsql {
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SELECT * FROM t12 NATURAL LEFT JOIN t13
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EXCEPT
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SELECT * FROM t12 NATURAL LEFT JOIN (SELECT * FROM t13 WHERE b>0);
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}
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} {}
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}
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ifcapable view {
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do_test vtab6-9.2 {
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execsql {
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CREATE VIEW v13 AS SELECT * FROM t13 WHERE b>0;
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SELECT * FROM t12 NATURAL LEFT JOIN t13
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EXCEPT
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SELECT * FROM t12 NATURAL LEFT JOIN v13;
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}
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} {}
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} ;# ifcapable view
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} ;# ifcapable compound
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ifcapable subquery {
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do_test vtab6-10.1 {
|
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execsql {
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CREATE INDEX i22 ON real_t22(q);
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SELECT a FROM t21 LEFT JOIN t22 ON b=p WHERE q=
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(SELECT max(m.q) FROM t22 m JOIN t21 n ON n.b=m.p WHERE n.c=1);
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}
|
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} {}
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} ;# ifcapable subquery
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do_test vtab6-11.1.0 {
|
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execsql {
|
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CREATE TABLE ab_r(a, b);
|
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CREATE TABLE bc_r(b, c);
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CREATE VIRTUAL TABLE ab USING echo(ab_r);
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CREATE VIRTUAL TABLE bc USING echo(bc_r);
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INSERT INTO ab VALUES(1, 2);
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INSERT INTO bc VALUES(2, 3);
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}
|
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} {}
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|
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do_test vtab6-11.1.1 {
|
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execsql {
|
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SELECT a, b, c FROM ab NATURAL JOIN bc;
|
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}
|
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} {1 2 3}
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do_test vtab6-11.1.2 {
|
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execsql {
|
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SELECT a, b, c FROM bc NATURAL JOIN ab;
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}
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} {1 2 3}
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|
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set ::echo_module_cost 1.0
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|
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do_test vtab6-11.1.3 {
|
|
execsql {
|
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SELECT a, b, c FROM ab NATURAL JOIN bc;
|
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}
|
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} {1 2 3}
|
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do_test vtab6-11.1.4 {
|
|
execsql {
|
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SELECT a, b, c FROM bc NATURAL JOIN ab;
|
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}
|
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} {1 2 3}
|
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|
|
|
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do_test vtab6-11.2.0 {
|
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execsql {
|
|
CREATE INDEX ab_i ON ab_r(b);
|
|
CREATE INDEX bc_i ON bc_r(b);
|
|
}
|
|
} {}
|
|
|
|
unset ::echo_module_cost
|
|
|
|
do_test vtab6-11.2.1 {
|
|
execsql {
|
|
SELECT a, b, c FROM ab NATURAL JOIN bc;
|
|
}
|
|
} {1 2 3}
|
|
do_test vtab6-11.2.2 {
|
|
execsql {
|
|
SELECT a, b, c FROM bc NATURAL JOIN ab;
|
|
}
|
|
} {1 2 3}
|
|
|
|
set ::echo_module_cost 1.0
|
|
|
|
do_test vtab6-11.2.3 {
|
|
execsql {
|
|
SELECT a, b, c FROM ab NATURAL JOIN bc;
|
|
}
|
|
} {1 2 3}
|
|
do_test vtab6-11.2.4 {
|
|
execsql {
|
|
SELECT a, b, c FROM bc NATURAL JOIN ab;
|
|
}
|
|
} {1 2 3}
|
|
|
|
unset ::echo_module_cost
|
|
db close
|
|
sqlite3 db test.db
|
|
register_echo_module [sqlite3_connection_pointer db]
|
|
|
|
do_test vtab6-11.3.1 {
|
|
execsql {
|
|
SELECT a, b, c FROM ab NATURAL JOIN bc;
|
|
}
|
|
} {1 2 3}
|
|
|
|
do_test vtab6-11.3.2 {
|
|
execsql {
|
|
SELECT a, b, c FROM bc NATURAL JOIN ab;
|
|
}
|
|
} {1 2 3}
|
|
|
|
set ::echo_module_cost 1.0
|
|
|
|
do_test vtab6-11.3.3 {
|
|
execsql {
|
|
SELECT a, b, c FROM ab NATURAL JOIN bc;
|
|
}
|
|
} {1 2 3}
|
|
do_test vtab6-11.3.4 {
|
|
execsql {
|
|
SELECT a, b, c FROM bc NATURAL JOIN ab;
|
|
}
|
|
} {1 2 3}
|
|
|
|
unset ::echo_module_cost
|
|
|
|
set ::echo_module_ignore_usable 1
|
|
db cache flush
|
|
|
|
do_test vtab6-11.4.1 {
|
|
catchsql {
|
|
SELECT a, b, c FROM ab NATURAL JOIN bc;
|
|
}
|
|
} {1 {ab.xBestIndex malfunction}}
|
|
do_test vtab6-11.4.2 {
|
|
catchsql {
|
|
SELECT a, b, c FROM bc NATURAL JOIN ab;
|
|
}
|
|
} {1 {bc.xBestIndex malfunction}}
|
|
|
|
unset ::echo_module_ignore_usable
|
|
|
|
finish_test
|