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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 {
+ forcedelete 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
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 18:50:41 +0000