342 lines
6.9 KiB
Plaintext
342 lines
6.9 KiB
Plaintext
# 2002 February 26
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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. The
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# focus of this file is testing VIEW statements.
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#
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# $Id: view.test,v 1.13 2003/04/24 01:45:05 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 view-1.0 {
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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(4,5,6);
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INSERT INTO t1 VALUES(7,8,9);
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SELECT * FROM t1;
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}
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} {1 2 3 4 5 6 7 8 9}
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do_test view-1.1 {
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execsql {
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BEGIN;
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CREATE VIEW v1 AS SELECT a,b FROM t1;
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SELECT * FROM v1 ORDER BY a;
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}
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} {1 2 4 5 7 8}
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do_test view-1.2 {
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catchsql {
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ROLLBACK;
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SELECT * FROM v1 ORDER BY a;
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}
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} {1 {no such table: v1}}
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do_test view-1.3 {
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execsql {
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CREATE VIEW v1 AS SELECT a,b FROM t1;
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SELECT * FROM v1 ORDER BY a;
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}
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} {1 2 4 5 7 8}
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do_test view-1.3.1 {
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db close
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sqlite db test.db
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execsql {
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SELECT * FROM v1 ORDER BY a;
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}
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} {1 2 4 5 7 8}
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do_test view-1.4 {
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catchsql {
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DROP VIEW v1;
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SELECT * FROM v1 ORDER BY a;
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}
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} {1 {no such table: v1}}
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do_test view-1.5 {
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execsql {
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CREATE VIEW v1 AS SELECT a,b FROM t1;
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SELECT * FROM v1 ORDER BY a;
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}
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} {1 2 4 5 7 8}
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do_test view-1.6 {
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catchsql {
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DROP TABLE t1;
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SELECT * FROM v1 ORDER BY a;
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}
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} {1 {no such table: t1}}
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do_test view-1.7 {
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execsql {
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CREATE TABLE t1(x,a,b,c);
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INSERT INTO t1 VALUES(1,2,3,4);
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INSERT INTO t1 VALUES(4,5,6,7);
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INSERT INTO t1 VALUES(7,8,9,10);
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SELECT * FROM v1 ORDER BY a;
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}
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} {2 3 5 6 8 9}
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do_test view-1.8 {
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db close
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sqlite db test.db
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execsql {
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SELECT * FROM v1 ORDER BY a;
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}
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} {2 3 5 6 8 9}
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do_test view-2.1 {
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execsql {
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CREATE VIEW v2 AS SELECT * FROM t1 WHERE a>5
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}; # No semicolon
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execsql2 {
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SELECT * FROM v2;
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}
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} {x 7 a 8 b 9 c 10}
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do_test view-2.2 {
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catchsql {
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INSERT INTO v2 VALUES(1,2,3,4);
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}
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} {1 {cannot modify v2 because it is a view}}
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do_test view-2.3 {
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catchsql {
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UPDATE v2 SET a=10 WHERE a=5;
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}
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} {1 {cannot modify v2 because it is a view}}
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do_test view-2.4 {
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catchsql {
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DELETE FROM v2;
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}
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} {1 {cannot modify v2 because it is a view}}
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do_test view-2.5 {
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execsql {
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INSERT INTO t1 VALUES(11,12,13,14);
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SELECT * FROM v2 ORDER BY x;
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}
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} {7 8 9 10 11 12 13 14}
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do_test view-2.6 {
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execsql {
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SELECT x FROM v2 WHERE a>10
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}
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} {11}
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# Test that column name of views are generated correctly.
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#
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do_test view-3.1 {
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execsql2 {
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SELECT * FROM v1 LIMIT 1
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}
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} {a 2 b 3}
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do_test view-3.2 {
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execsql2 {
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SELECT * FROM v2 LIMIT 1
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}
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} {x 7 a 8 b 9 c 10}
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do_test view-3.3 {
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execsql2 {
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DROP VIEW v1;
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CREATE VIEW v1 AS SELECT a AS 'xyz', b+c AS 'pqr', c-b FROM t1;
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SELECT * FROM v1 LIMIT 1
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}
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} {xyz 2 pqr 7 c-b 1}
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do_test view-3.4 {
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execsql2 {
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CREATE VIEW v3 AS SELECT a FROM t1 UNION SELECT b FROM t1 ORDER BY b;
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SELECT * FROM v3 LIMIT 4;
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}
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} {b 2 b 3 b 5 b 6}
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do_test view-3.5 {
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execsql2 {
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CREATE VIEW v4 AS
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SELECT a, b FROM t1
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UNION
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SELECT b AS 'x', a AS 'y' FROM t1
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ORDER BY x, y;
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SELECT y FROM v4 ORDER BY y LIMIT 4;
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}
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} {y 2 y 3 y 5 y 6}
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do_test view-4.1 {
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catchsql {
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DROP VIEW t1;
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}
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} {1 {use DROP TABLE to delete table t1}}
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do_test view-4.2 {
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execsql {
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SELECT 1 FROM t1 LIMIT 1;
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}
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} 1
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do_test view-4.3 {
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catchsql {
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DROP TABLE v1;
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}
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} {1 {use DROP VIEW to delete view v1}}
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do_test view-4.4 {
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execsql {
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SELECT 1 FROM v1 LIMIT 1;
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}
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} {1}
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do_test view-4.5 {
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catchsql {
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CREATE INDEX i1v1 ON v1(xyz);
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}
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} {1 {views may not be indexed}}
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do_test view-5.1 {
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execsql {
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CREATE TABLE t2(y,a);
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INSERT INTO t2 VALUES(22,2);
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INSERT INTO t2 VALUES(33,3);
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INSERT INTO t2 VALUES(44,4);
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INSERT INTO t2 VALUES(55,5);
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SELECT * FROM t2;
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}
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} {22 2 33 3 44 4 55 5}
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do_test view-5.2 {
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execsql {
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CREATE VIEW v5 AS
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SELECT t1.x, t2.y FROM t1 JOIN t2 USING(a);
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SELECT * FROM v5;
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}
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} {1 22 4 55}
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do_test view-6.1 {
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execsql {
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SELECT min(x), min(a), min(b), min(c), min(a+b+c) FROM v2;
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}
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} {7 8 9 10 27}
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do_test view-6.2 {
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execsql {
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SELECT max(x), max(a), max(b), max(c), max(a+b+c) FROM v2;
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}
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} {11 12 13 14 39}
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do_test view-7.1 {
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execsql {
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CREATE TABLE test1(id integer primary key, a);
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CREATE TABLE test2(id integer, b);
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INSERT INTO test1 VALUES(1,2);
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INSERT INTO test2 VALUES(1,3);
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CREATE VIEW test AS
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SELECT test1.id, a, b
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FROM test1 JOIN test2 ON test2.id=test1.id;
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SELECT * FROM test;
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}
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} {1 2 3}
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do_test view-7.2 {
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db close
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sqlite db test.db
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execsql {
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SELECT * FROM test;
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}
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} {1 2 3}
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do_test view-7.3 {
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execsql {
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DROP VIEW test;
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CREATE VIEW test AS
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SELECT test1.id, a, b
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FROM test1 JOIN test2 USING(id);
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SELECT * FROM test;
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}
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} {1 2 3}
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do_test view-7.4 {
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db close
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sqlite db test.db
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execsql {
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SELECT * FROM test;
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}
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} {1 2 3}
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do_test view-7.5 {
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execsql {
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DROP VIEW test;
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CREATE VIEW test AS
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SELECT test1.id, a, b
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FROM test1 NATURAL JOIN test2;
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SELECT * FROM test;
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}
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} {1 2 3}
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do_test view-7.6 {
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db close
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sqlite db test.db
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execsql {
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SELECT * FROM test;
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}
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} {1 2 3}
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do_test view-8.1 {
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execsql {
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CREATE VIEW v6 AS SELECT pqr, xyz FROM v1;
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SELECT * FROM v6 ORDER BY xyz;
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}
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} {7 2 13 5 19 8 27 12}
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do_test view-8.2 {
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db close
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sqlite db test.db
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execsql {
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SELECT * FROM v6 ORDER BY xyz;
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}
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} {7 2 13 5 19 8 27 12}
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do_test view-8.3 {
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execsql {
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CREATE VIEW v7 AS SELECT pqr+xyz AS a FROM v6;
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SELECT * FROM v7 ORDER BY a;
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}
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} {9 18 27 39}
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do_test view-8.4 {
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execsql {
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CREATE VIEW v8 AS SELECT max(cnt) AS mx FROM
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(SELECT a%2 AS eo, count(*) AS cnt FROM t1 GROUP BY eo);
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SELECT * FROM v8;
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}
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} 3
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do_test view-8.5 {
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execsql {
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SELECT mx+10, mx*2 FROM v8;
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}
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} {13 6}
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# Tests for a bug found by Michiel de Wit involving ORDER BY in a VIEW.
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#
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do_test view-9.1 {
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execsql {
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INSERT INTO t2 SELECT * FROM t2 WHERE a<5;
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INSERT INTO t2 SELECT * FROM t2 WHERE a<4;
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INSERT INTO t2 SELECT * FROM t2 WHERE a<3;
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SELECT DISTINCT count(*) FROM t2 GROUP BY a ORDER BY 1;
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}
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} {1 2 4 8}
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do_test view-9.2 {
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execsql {
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SELECT DISTINCT count(*) FROM t2 GROUP BY a ORDER BY 1 LIMIT 3;
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}
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} {1 2 4}
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do_test view-9.3 {
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execsql {
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CREATE VIEW v9 AS
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SELECT DISTINCT count(*) FROM t2 GROUP BY a ORDER BY 1 LIMIT 3;
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SELECT * FROM v9;
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}
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} {1 2 4}
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do_test view-9.4 {
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execsql {
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SELECT * FROM v9 ORDER BY 1 DESC;
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}
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} {4 2 1}
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do_test view-9.5 {
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execsql {
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CREATE VIEW v10 AS
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SELECT DISTINCT a, count(*) FROM t2 GROUP BY a ORDER BY 2 LIMIT 3;
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SELECT * FROM v10;
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}
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} {5 1 4 2 3 4}
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do_test view-9.6 {
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execsql {
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SELECT * FROM v10 ORDER BY 1;
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}
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} {3 4 4 2 5 1}
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finish_test
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