502 lines
10 KiB
Plaintext
502 lines
10 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 1.33 2006/09/11 23:45:50 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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# Omit this entire file if the library is not configured with views enabled.
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ifcapable !view {
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finish_test
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return
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}
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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 IF NOT EXISTS 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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sqlite3 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 IF EXISTS 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: main.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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sqlite3 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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ifcapable compound {
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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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} {a 2 a 3 a 5 a 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 b FROM v4 ORDER BY b LIMIT 4;
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}
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} {b 2 b 3 b 5 b 6}
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} ;# ifcapable compound
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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 AS v, t2.y AS w 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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# Verify that the view v5 gets flattened. see sqliteFlattenSubquery().
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# This will only work if EXPLAIN is enabled.
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# Ticket #272
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#
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ifcapable {explain} {
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do_test view-5.3 {
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lsearch [execsql {
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EXPLAIN SELECT * FROM v5;
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}] OpenEphemeral
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} {-1}
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do_test view-5.4 {
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execsql {
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SELECT * FROM v5 AS a, t2 AS b WHERE a.w=b.y;
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}
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} {1 22 22 2 4 55 55 5}
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do_test view-5.5 {
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lsearch [execsql {
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EXPLAIN SELECT * FROM v5 AS a, t2 AS b WHERE a.w=b.y;
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}] OpenEphemeral
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} {-1}
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do_test view-5.6 {
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execsql {
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SELECT * FROM t2 AS b, v5 AS a WHERE a.w=b.y;
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}
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} {22 2 1 22 55 5 4 55}
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do_test view-5.7 {
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lsearch [execsql {
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EXPLAIN SELECT * FROM t2 AS b, v5 AS a WHERE a.w=b.y;
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}] OpenEphemeral
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} {-1}
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do_test view-5.8 {
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execsql {
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SELECT * FROM t1 AS a, v5 AS b, t2 AS c WHERE a.x=b.v AND b.w=c.y;
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}
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} {1 2 3 4 1 22 22 2 4 5 6 7 4 55 55 5}
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do_test view-5.9 {
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lsearch [execsql {
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EXPLAIN SELECT * FROM t1 AS a, v5 AS b, t2 AS c WHERE a.x=b.v AND b.w=c.y;
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}] OpenEphemeral
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} {-1}
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} ;# endif explain
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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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sqlite3 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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sqlite3 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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sqlite3 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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sqlite3 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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ifcapable subquery {
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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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do_test view-8.6 {
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execsql {
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SELECT mx+10, pqr FROM v6, v8 WHERE xyz=2;
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}
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} {13 7}
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do_test view-8.7 {
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execsql {
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SELECT mx+10, pqr FROM v6, v8 WHERE xyz>2;
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}
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} {13 13 13 19 13 27}
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} ;# ifcapable subquery
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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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# Tables with columns having peculiar quoted names used in views
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# Ticket #756.
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#
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do_test view-10.1 {
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execsql {
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CREATE TABLE t3("9" integer, [4] text);
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INSERT INTO t3 VALUES(1,2);
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CREATE VIEW v_t3_a AS SELECT a.[9] FROM t3 AS a;
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CREATE VIEW v_t3_b AS SELECT "4" FROM t3;
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SELECT * FROM v_t3_a;
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}
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} {1}
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do_test view-10.2 {
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execsql {
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SELECT * FROM v_t3_b;
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}
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} {2}
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do_test view-11.1 {
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execsql {
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CREATE TABLE t4(a COLLATE NOCASE);
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INSERT INTO t4 VALUES('This');
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INSERT INTO t4 VALUES('this');
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INSERT INTO t4 VALUES('THIS');
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SELECT * FROM t4 WHERE a = 'THIS';
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}
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} {This this THIS}
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ifcapable subquery {
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do_test view-11.2 {
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execsql {
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SELECT * FROM (SELECT * FROM t4) WHERE a = 'THIS';
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}
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} {This this THIS}
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}
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do_test view-11.3 {
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execsql {
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CREATE VIEW v11 AS SELECT * FROM t4;
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SELECT * FROM v11 WHERE a = 'THIS';
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}
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} {This this THIS}
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# Ticket #1270: Do not allow parameters in view definitions.
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#
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do_test view-12.1 {
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catchsql {
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CREATE VIEW v12 AS SELECT a FROM t1 WHERE b=?
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}
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} {1 {parameters are not allowed in views}}
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do_test view-13.1 {
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file delete -force test2.db
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catchsql {
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ATTACH 'test2.db' AS two;
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CREATE TABLE two.t2(x,y);
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CREATE VIEW v13 AS SELECT y FROM two.t2;
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}
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} {1 {view v13 cannot reference objects in database two}}
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# Ticket #1658
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#
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do_test view-14.1 {
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catchsql {
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CREATE TEMP VIEW t1 AS SELECT a,b FROM t1;
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SELECT * FROM temp.t1;
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}
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} {1 {view t1 is circularly defined}}
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# Tickets #1688, #1709
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#
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do_test view-15.1 {
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execsql2 {
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CREATE VIEW v15 AS SELECT a AS x, b AS y FROM t1;
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SELECT * FROM v15 LIMIT 1;
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}
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} {x 2 y 3}
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do_test view-15.2 {
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execsql2 {
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SELECT x, y FROM v15 LIMIT 1
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}
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} {x 2 y 3}
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do_test view-16.1 {
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catchsql {
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CREATE VIEW IF NOT EXISTS v1 AS SELECT * FROM t1;
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}
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} {0 {}}
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do_test view-16.2 {
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execsql {
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SELECT sql FROM sqlite_master WHERE name='v1'
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}
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} {{CREATE VIEW v1 AS SELECT a AS 'xyz', b+c AS 'pqr', c-b FROM t1}}
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do_test view-16.3 {
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catchsql {
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DROP VIEW IF EXISTS nosuchview
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}
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} {0 {}}
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finish_test
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