| # 2002 February 26 |
| # |
| # 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. The |
| # focus of this file is testing VIEW statements. |
| # |
| # $Id: view.test,v 1.16.2.1 2004/07/20 00:20:47 drh Exp $ |
| set testdir [file dirname $argv0] |
| source $testdir/tester.tcl |
| |
| do_test view-1.0 { |
| execsql { |
| CREATE TABLE t1(a,b,c); |
| INSERT INTO t1 VALUES(1,2,3); |
| INSERT INTO t1 VALUES(4,5,6); |
| INSERT INTO t1 VALUES(7,8,9); |
| SELECT * FROM t1; |
| } |
| } {1 2 3 4 5 6 7 8 9} |
| |
| do_test view-1.1 { |
| execsql { |
| BEGIN; |
| CREATE VIEW v1 AS SELECT a,b FROM t1; |
| SELECT * FROM v1 ORDER BY a; |
| } |
| } {1 2 4 5 7 8} |
| do_test view-1.2 { |
| catchsql { |
| ROLLBACK; |
| SELECT * FROM v1 ORDER BY a; |
| } |
| } {1 {no such table: v1}} |
| do_test view-1.3 { |
| execsql { |
| CREATE VIEW v1 AS SELECT a,b FROM t1; |
| SELECT * FROM v1 ORDER BY a; |
| } |
| } {1 2 4 5 7 8} |
| do_test view-1.3.1 { |
| db close |
| sqlite db test.db |
| execsql { |
| SELECT * FROM v1 ORDER BY a; |
| } |
| } {1 2 4 5 7 8} |
| do_test view-1.4 { |
| catchsql { |
| DROP VIEW v1; |
| SELECT * FROM v1 ORDER BY a; |
| } |
| } {1 {no such table: v1}} |
| do_test view-1.5 { |
| execsql { |
| CREATE VIEW v1 AS SELECT a,b FROM t1; |
| SELECT * FROM v1 ORDER BY a; |
| } |
| } {1 2 4 5 7 8} |
| do_test view-1.6 { |
| catchsql { |
| DROP TABLE t1; |
| SELECT * FROM v1 ORDER BY a; |
| } |
| } {1 {no such table: main.t1}} |
| do_test view-1.7 { |
| execsql { |
| CREATE TABLE t1(x,a,b,c); |
| INSERT INTO t1 VALUES(1,2,3,4); |
| INSERT INTO t1 VALUES(4,5,6,7); |
| INSERT INTO t1 VALUES(7,8,9,10); |
| SELECT * FROM v1 ORDER BY a; |
| } |
| } {2 3 5 6 8 9} |
| do_test view-1.8 { |
| db close |
| sqlite db test.db |
| execsql { |
| SELECT * FROM v1 ORDER BY a; |
| } |
| } {2 3 5 6 8 9} |
| |
| do_test view-2.1 { |
| execsql { |
| CREATE VIEW v2 AS SELECT * FROM t1 WHERE a>5 |
| }; # No semicolon |
| execsql2 { |
| SELECT * FROM v2; |
| } |
| } {x 7 a 8 b 9 c 10} |
| do_test view-2.2 { |
| catchsql { |
| INSERT INTO v2 VALUES(1,2,3,4); |
| } |
| } {1 {cannot modify v2 because it is a view}} |
| do_test view-2.3 { |
| catchsql { |
| UPDATE v2 SET a=10 WHERE a=5; |
| } |
| } {1 {cannot modify v2 because it is a view}} |
| do_test view-2.4 { |
| catchsql { |
| DELETE FROM v2; |
| } |
| } {1 {cannot modify v2 because it is a view}} |
| do_test view-2.5 { |
| execsql { |
| INSERT INTO t1 VALUES(11,12,13,14); |
| SELECT * FROM v2 ORDER BY x; |
| } |
| } {7 8 9 10 11 12 13 14} |
| do_test view-2.6 { |
| execsql { |
| SELECT x FROM v2 WHERE a>10 |
| } |
| } {11} |
| |
| # Test that column name of views are generated correctly. |
| # |
| do_test view-3.1 { |
| execsql2 { |
| SELECT * FROM v1 LIMIT 1 |
| } |
| } {a 2 b 3} |
| do_test view-3.2 { |
| execsql2 { |
| SELECT * FROM v2 LIMIT 1 |
| } |
| } {x 7 a 8 b 9 c 10} |
| do_test view-3.3 { |
| execsql2 { |
| DROP VIEW v1; |
| CREATE VIEW v1 AS SELECT a AS 'xyz', b+c AS 'pqr', c-b FROM t1; |
| SELECT * FROM v1 LIMIT 1 |
| } |
| } {xyz 2 pqr 7 c-b 1} |
| do_test view-3.4 { |
| execsql2 { |
| CREATE VIEW v3 AS SELECT a FROM t1 UNION SELECT b FROM t1 ORDER BY b; |
| SELECT * FROM v3 LIMIT 4; |
| } |
| } {b 2 b 3 b 5 b 6} |
| do_test view-3.5 { |
| execsql2 { |
| CREATE VIEW v4 AS |
| SELECT a, b FROM t1 |
| UNION |
| SELECT b AS 'x', a AS 'y' FROM t1 |
| ORDER BY x, y; |
| SELECT y FROM v4 ORDER BY y LIMIT 4; |
| } |
| } {y 2 y 3 y 5 y 6} |
| |
| |
| do_test view-4.1 { |
| catchsql { |
| DROP VIEW t1; |
| } |
| } {1 {use DROP TABLE to delete table t1}} |
| do_test view-4.2 { |
| execsql { |
| SELECT 1 FROM t1 LIMIT 1; |
| } |
| } 1 |
| do_test view-4.3 { |
| catchsql { |
| DROP TABLE v1; |
| } |
| } {1 {use DROP VIEW to delete view v1}} |
| do_test view-4.4 { |
| execsql { |
| SELECT 1 FROM v1 LIMIT 1; |
| } |
| } {1} |
| do_test view-4.5 { |
| catchsql { |
| CREATE INDEX i1v1 ON v1(xyz); |
| } |
| } {1 {views may not be indexed}} |
| |
| do_test view-5.1 { |
| execsql { |
| CREATE TABLE t2(y,a); |
| INSERT INTO t2 VALUES(22,2); |
| INSERT INTO t2 VALUES(33,3); |
| INSERT INTO t2 VALUES(44,4); |
| INSERT INTO t2 VALUES(55,5); |
| SELECT * FROM t2; |
| } |
| } {22 2 33 3 44 4 55 5} |
| do_test view-5.2 { |
| execsql { |
| CREATE VIEW v5 AS |
| SELECT t1.x AS v, t2.y AS w FROM t1 JOIN t2 USING(a); |
| SELECT * FROM v5; |
| } |
| } {1 22 4 55} |
| |
| # Verify that the view v5 gets flattened. see sqliteFlattenSubquery(). |
| # Ticket #272 |
| do_test view-5.3 { |
| lsearch [execsql { |
| EXPLAIN SELECT * FROM v5; |
| }] OpenTemp |
| } {-1} |
| do_test view-5.4 { |
| execsql { |
| SELECT * FROM v5 AS a, t2 AS b WHERE a.w=b.y; |
| } |
| } {1 22 22 2 4 55 55 5} |
| do_test view-5.5 { |
| lsearch [execsql { |
| EXPLAIN SELECT * FROM v5 AS a, t2 AS b WHERE a.w=b.y; |
| }] OpenTemp |
| } {-1} |
| do_test view-5.6 { |
| execsql { |
| SELECT * FROM t2 AS b, v5 AS a WHERE a.w=b.y; |
| } |
| } {22 2 1 22 55 5 4 55} |
| do_test view-5.7 { |
| lsearch [execsql { |
| EXPLAIN SELECT * FROM t2 AS b, v5 AS a WHERE a.w=b.y; |
| }] OpenTemp |
| } {-1} |
| do_test view-5.8 { |
| execsql { |
| SELECT * FROM t1 AS a, v5 AS b, t2 AS c WHERE a.x=b.v AND b.w=c.y; |
| } |
| } {1 2 3 4 1 22 22 2 4 5 6 7 4 55 55 5} |
| do_test view-5.9 { |
| lsearch [execsql { |
| EXPLAIN SELECT * FROM t1 AS a, v5 AS b, t2 AS c WHERE a.x=b.v AND b.w=c.y; |
| }] OpenTemp |
| } {-1} |
| |
| do_test view-6.1 { |
| execsql { |
| SELECT min(x), min(a), min(b), min(c), min(a+b+c) FROM v2; |
| } |
| } {7 8 9 10 27} |
| do_test view-6.2 { |
| execsql { |
| SELECT max(x), max(a), max(b), max(c), max(a+b+c) FROM v2; |
| } |
| } {11 12 13 14 39} |
| |
| do_test view-7.1 { |
| execsql { |
| CREATE TABLE test1(id integer primary key, a); |
| CREATE TABLE test2(id integer, b); |
| INSERT INTO test1 VALUES(1,2); |
| INSERT INTO test2 VALUES(1,3); |
| CREATE VIEW test AS |
| SELECT test1.id, a, b |
| FROM test1 JOIN test2 ON test2.id=test1.id; |
| SELECT * FROM test; |
| } |
| } {1 2 3} |
| do_test view-7.2 { |
| db close |
| sqlite db test.db |
| execsql { |
| SELECT * FROM test; |
| } |
| } {1 2 3} |
| do_test view-7.3 { |
| execsql { |
| DROP VIEW test; |
| CREATE VIEW test AS |
| SELECT test1.id, a, b |
| FROM test1 JOIN test2 USING(id); |
| SELECT * FROM test; |
| } |
| } {1 2 3} |
| do_test view-7.4 { |
| db close |
| sqlite db test.db |
| execsql { |
| SELECT * FROM test; |
| } |
| } {1 2 3} |
| do_test view-7.5 { |
| execsql { |
| DROP VIEW test; |
| CREATE VIEW test AS |
| SELECT test1.id, a, b |
| FROM test1 NATURAL JOIN test2; |
| SELECT * FROM test; |
| } |
| } {1 2 3} |
| do_test view-7.6 { |
| db close |
| sqlite db test.db |
| execsql { |
| SELECT * FROM test; |
| } |
| } {1 2 3} |
| |
| do_test view-8.1 { |
| execsql { |
| CREATE VIEW v6 AS SELECT pqr, xyz FROM v1; |
| SELECT * FROM v6 ORDER BY xyz; |
| } |
| } {7 2 13 5 19 8 27 12} |
| do_test view-8.2 { |
| db close |
| sqlite db test.db |
| execsql { |
| SELECT * FROM v6 ORDER BY xyz; |
| } |
| } {7 2 13 5 19 8 27 12} |
| do_test view-8.3 { |
| execsql { |
| CREATE VIEW v7 AS SELECT pqr+xyz AS a FROM v6; |
| SELECT * FROM v7 ORDER BY a; |
| } |
| } {9 18 27 39} |
| do_test view-8.4 { |
| execsql { |
| CREATE VIEW v8 AS SELECT max(cnt) AS mx FROM |
| (SELECT a%2 AS eo, count(*) AS cnt FROM t1 GROUP BY eo); |
| SELECT * FROM v8; |
| } |
| } 3 |
| do_test view-8.5 { |
| execsql { |
| SELECT mx+10, mx*2 FROM v8; |
| } |
| } {13 6} |
| do_test view-8.6 { |
| execsql { |
| SELECT mx+10, pqr FROM v6, v8 WHERE xyz=2; |
| } |
| } {13 7} |
| do_test view-8.7 { |
| execsql { |
| SELECT mx+10, pqr FROM v6, v8 WHERE xyz>2; |
| } |
| } {13 13 13 19 13 27} |
| |
| # Tests for a bug found by Michiel de Wit involving ORDER BY in a VIEW. |
| # |
| do_test view-9.1 { |
| execsql { |
| INSERT INTO t2 SELECT * FROM t2 WHERE a<5; |
| INSERT INTO t2 SELECT * FROM t2 WHERE a<4; |
| INSERT INTO t2 SELECT * FROM t2 WHERE a<3; |
| SELECT DISTINCT count(*) FROM t2 GROUP BY a ORDER BY 1; |
| } |
| } {1 2 4 8} |
| do_test view-9.2 { |
| execsql { |
| SELECT DISTINCT count(*) FROM t2 GROUP BY a ORDER BY 1 LIMIT 3; |
| } |
| } {1 2 4} |
| do_test view-9.3 { |
| execsql { |
| CREATE VIEW v9 AS |
| SELECT DISTINCT count(*) FROM t2 GROUP BY a ORDER BY 1 LIMIT 3; |
| SELECT * FROM v9; |
| } |
| } {1 2 4} |
| do_test view-9.4 { |
| execsql { |
| SELECT * FROM v9 ORDER BY 1 DESC; |
| } |
| } {4 2 1} |
| do_test view-9.5 { |
| execsql { |
| CREATE VIEW v10 AS |
| SELECT DISTINCT a, count(*) FROM t2 GROUP BY a ORDER BY 2 LIMIT 3; |
| SELECT * FROM v10; |
| } |
| } {5 1 4 2 3 4} |
| do_test view-9.6 { |
| execsql { |
| SELECT * FROM v10 ORDER BY 1; |
| } |
| } {3 4 4 2 5 1} |
| |
| # Tables with columns having peculiar quoted names used in views |
| # Ticket #756. |
| # |
| do_test view-10.1 { |
| execsql { |
| CREATE TABLE t3("9" integer, [4] text); |
| INSERT INTO t3 VALUES(1,2); |
| CREATE VIEW v_t3_a AS SELECT a.[9] FROM t3 AS a; |
| CREATE VIEW v_t3_b AS SELECT "4" FROM t3; |
| SELECT * FROM v_t3_a; |
| } |
| } {1} |
| do_test view-10.2 { |
| execsql { |
| SELECT * FROM v_t3_b; |
| } |
| } {2} |
| |
| |
| finish_test |
