/trunk/test/view.test |
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# 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 1.39 2008/12/14 14:45:21 danielk1977 Exp $ |
set testdir [file dirname $argv0] |
source $testdir/tester.tcl |
|
# Omit this entire file if the library is not configured with views enabled. |
ifcapable !view { |
finish_test |
return |
} |
|
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 IF NOT EXISTS 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 |
sqlite3 db test.db |
execsql { |
SELECT * FROM v1 ORDER BY a; |
} |
} {1 2 4 5 7 8} |
do_test view-1.4 { |
catchsql { |
DROP VIEW IF EXISTS 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 |
sqlite3 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-3.3.1 { |
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-3.3.2 { |
execsql2 { |
CREATE VIEW v1b AS SELECT t1.a, b+c, t1.c FROM t1; |
SELECT * FROM v1b LIMIT 1 |
} |
} {a 2 b+c 7 c 4} |
|
ifcapable compound { |
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; |
} |
} {a 2 a 3 a 5 a 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 b FROM v4 ORDER BY b LIMIT 4; |
} |
} {b 2 b 3 b 5 b 6} |
} ;# ifcapable compound |
|
|
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(). |
# This will only work if EXPLAIN is enabled. |
# Ticket #272 |
# |
ifcapable {explain} { |
do_test view-5.3 { |
lsearch [execsql { |
EXPLAIN SELECT * FROM v5; |
}] OpenEphemeral |
} {-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; |
}] OpenEphemeral |
} {-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; |
}] OpenEphemeral |
} {-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; |
}] OpenEphemeral |
} {-1} |
} ;# endif explain |
|
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 |
sqlite3 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 |
sqlite3 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 |
sqlite3 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 |
sqlite3 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} |
|
ifcapable subquery { |
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} |
} ;# ifcapable subquery |
|
# 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} |
|
do_test view-11.1 { |
execsql { |
CREATE TABLE t4(a COLLATE NOCASE); |
INSERT INTO t4 VALUES('This'); |
INSERT INTO t4 VALUES('this'); |
INSERT INTO t4 VALUES('THIS'); |
SELECT * FROM t4 WHERE a = 'THIS'; |
} |
} {This this THIS} |
ifcapable subquery { |
do_test view-11.2 { |
execsql { |
SELECT * FROM (SELECT * FROM t4) WHERE a = 'THIS'; |
} |
} {This this THIS} |
} |
do_test view-11.3 { |
execsql { |
CREATE VIEW v11 AS SELECT * FROM t4; |
SELECT * FROM v11 WHERE a = 'THIS'; |
} |
} {This this THIS} |
|
# Ticket #1270: Do not allow parameters in view definitions. |
# |
do_test view-12.1 { |
catchsql { |
CREATE VIEW v12 AS SELECT a FROM t1 WHERE b=? |
} |
} {1 {parameters are not allowed in views}} |
|
ifcapable attach { |
do_test view-13.1 { |
file delete -force test2.db |
catchsql { |
ATTACH 'test2.db' AS two; |
CREATE TABLE two.t2(x,y); |
CREATE VIEW v13 AS SELECT y FROM two.t2; |
} |
} {1 {view v13 cannot reference objects in database two}} |
} |
|
# Ticket #1658 |
# |
do_test view-14.1 { |
catchsql { |
CREATE TEMP VIEW t1 AS SELECT a,b FROM t1; |
SELECT * FROM temp.t1; |
} |
} {1 {view t1 is circularly defined}} |
|
# Tickets #1688, #1709 |
# |
do_test view-15.1 { |
execsql2 { |
CREATE VIEW v15 AS SELECT a AS x, b AS y FROM t1; |
SELECT * FROM v15 LIMIT 1; |
} |
} {x 2 y 3} |
do_test view-15.2 { |
execsql2 { |
SELECT x, y FROM v15 LIMIT 1 |
} |
} {x 2 y 3} |
|
do_test view-16.1 { |
catchsql { |
CREATE VIEW IF NOT EXISTS v1 AS SELECT * FROM t1; |
} |
} {0 {}} |
do_test view-16.2 { |
execsql { |
SELECT sql FROM sqlite_master WHERE name='v1' |
} |
} {{CREATE VIEW v1 AS SELECT a AS 'xyz', b+c AS 'pqr', c-b FROM t1}} |
do_test view-16.3 { |
catchsql { |
DROP VIEW IF EXISTS nosuchview |
} |
} {0 {}} |
|
# correct error message when attempting to drop a view that does not |
# exist. |
# |
do_test view-17.1 { |
catchsql { |
DROP VIEW nosuchview |
} |
} {1 {no such view: nosuchview}} |
do_test view-17.2 { |
catchsql { |
DROP VIEW main.nosuchview |
} |
} {1 {no such view: main.nosuchview}} |
|
do_test view-18.1 { |
execsql { |
DROP VIEW t1; |
DROP TABLE t1; |
CREATE TABLE t1(a, b, c); |
INSERT INTO t1 VALUES(1, 2, 3); |
INSERT INTO t1 VALUES(4, 5, 6); |
|
CREATE VIEW vv1 AS SELECT * FROM t1; |
CREATE VIEW vv2 AS SELECT * FROM vv1; |
CREATE VIEW vv3 AS SELECT * FROM vv2; |
CREATE VIEW vv4 AS SELECT * FROM vv3; |
CREATE VIEW vv5 AS SELECT * FROM vv4; |
|
SELECT * FROM vv5; |
} |
} {1 2 3 4 5 6} |
|
# Ticket #3308 |
# Make sure "rowid" columns in a view are named correctly. |
# |
do_test view-19.1 { |
execsql { |
CREATE VIEW v3308a AS SELECT rowid, * FROM t1; |
} |
execsql2 { |
SELECT * FROM v3308a |
} |
} {rowid 1 a 1 b 2 c 3 rowid 2 a 4 b 5 c 6} |
do_test view-19.2 { |
execsql { |
CREATE VIEW v3308b AS SELECT t1.rowid, t1.a, t1.b+t1.c FROM t1; |
} |
execsql2 { |
SELECT * FROM v3308b |
} |
} {rowid 1 a 1 t1.b+t1.c 5 rowid 2 a 4 t1.b+t1.c 11} |
do_test view-19.3 { |
execsql { |
CREATE VIEW v3308c AS SELECT t1.oid, A, t1.b+t1.c AS x FROM t1; |
} |
execsql2 { |
SELECT * FROM v3308c |
} |
} {rowid 1 a 1 x 5 rowid 2 a 4 x 11} |
|
# Ticket #3539 had this crashing (see commit [5940]). |
do_test view-20.1 { |
execsql { |
DROP TABLE IF EXISTS t1; |
DROP VIEW IF EXISTS v1; |
CREATE TABLE t1(c1); |
CREATE VIEW v1 AS SELECT c1 FROM (SELECT t1.c1 FROM t1); |
} |
} {} |
|
finish_test |