diff -r 000000000000 -r 08ec8eefde2f persistentstorage/sqlite3api/TEST/TclScript/view.test --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/persistentstorage/sqlite3api/TEST/TclScript/view.test Fri Jan 22 11:06:30 2010 +0200 @@ -0,0 +1,569 @@ +# 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 1.38 2008/08/21 14:54:29 drh 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} + +finish_test