view.test revision 7c478bd95313f5f23a4c958a745db2134aa03244
#pragma ident "%Z%%M% %I% %E% SMI"
# 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 * 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 {
}
} {1 22 22 2 4 55 55 5}
do_test view-5.5 {
lsearch [execsql {
}] OpenTemp
} {-1}
do_test view-5.6 {
execsql {
}
} {22 2 1 22 55 5 4 55}
do_test view-5.7 {
lsearch [execsql {
}] OpenTemp
} {-1}
do_test view-5.8 {
execsql {
}
} {1 2 3 4 1 22 22 2 4 5 6 7 4 55 55 5}
do_test view-5.9 {
lsearch [execsql {
}] 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
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