--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/persistentstorage/sqlite3api/TEST/TclScript/unique.test Fri Jan 22 11:06:30 2010 +0200
@@ -0,0 +1,253 @@
+# 2001 September 27
+#
+# 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 the CREATE UNIQUE INDEX statement,
+# and primary keys, and the UNIQUE constraint on table columns
+#
+# $Id: unique.test,v 1.8 2005/06/24 03:53:06 drh Exp $
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+# Try to create a table with two primary keys.
+# (This is allowed in SQLite even that it is not valid SQL)
+#
+do_test unique-1.1 {
+ catchsql {
+ CREATE TABLE t1(
+ a int PRIMARY KEY,
+ b int PRIMARY KEY,
+ c text
+ );
+ }
+} {1 {table "t1" has more than one primary key}}
+do_test unique-1.1b {
+ catchsql {
+ CREATE TABLE t1(
+ a int PRIMARY KEY,
+ b int UNIQUE,
+ c text
+ );
+ }
+} {0 {}}
+do_test unique-1.2 {
+ catchsql {
+ INSERT INTO t1(a,b,c) VALUES(1,2,3)
+ }
+} {0 {}}
+do_test unique-1.3 {
+ catchsql {
+ INSERT INTO t1(a,b,c) VALUES(1,3,4)
+ }
+} {1 {column a is not unique}}
+do_test unique-1.4 {
+ execsql {
+ SELECT * FROM t1 ORDER BY a;
+ }
+} {1 2 3}
+do_test unique-1.5 {
+ catchsql {
+ INSERT INTO t1(a,b,c) VALUES(3,2,4)
+ }
+} {1 {column b is not unique}}
+do_test unique-1.6 {
+ execsql {
+ SELECT * FROM t1 ORDER BY a;
+ }
+} {1 2 3}
+do_test unique-1.7 {
+ catchsql {
+ INSERT INTO t1(a,b,c) VALUES(3,4,5)
+ }
+} {0 {}}
+do_test unique-1.8 {
+ execsql {
+ SELECT * FROM t1 ORDER BY a;
+ }
+} {1 2 3 3 4 5}
+integrity_check unique-1.9
+
+do_test unique-2.0 {
+ execsql {
+ DROP TABLE t1;
+ CREATE TABLE t2(a int, b int);
+ INSERT INTO t2(a,b) VALUES(1,2);
+ INSERT INTO t2(a,b) VALUES(3,4);
+ SELECT * FROM t2 ORDER BY a;
+ }
+} {1 2 3 4}
+do_test unique-2.1 {
+ catchsql {
+ CREATE UNIQUE INDEX i2 ON t2(a)
+ }
+} {0 {}}
+do_test unique-2.2 {
+ catchsql {
+ SELECT * FROM t2 ORDER BY a
+ }
+} {0 {1 2 3 4}}
+do_test unique-2.3 {
+ catchsql {
+ INSERT INTO t2 VALUES(1,5);
+ }
+} {1 {column a is not unique}}
+do_test unique-2.4 {
+ catchsql {
+ SELECT * FROM t2 ORDER BY a
+ }
+} {0 {1 2 3 4}}
+do_test unique-2.5 {
+ catchsql {
+ DROP INDEX i2;
+ SELECT * FROM t2 ORDER BY a;
+ }
+} {0 {1 2 3 4}}
+do_test unique-2.6 {
+ catchsql {
+ INSERT INTO t2 VALUES(1,5)
+ }
+} {0 {}}
+do_test unique-2.7 {
+ catchsql {
+ SELECT * FROM t2 ORDER BY a, b;
+ }
+} {0 {1 2 1 5 3 4}}
+do_test unique-2.8 {
+ catchsql {
+ CREATE UNIQUE INDEX i2 ON t2(a);
+ }
+} {1 {indexed columns are not unique}}
+do_test unique-2.9 {
+ catchsql {
+ CREATE INDEX i2 ON t2(a);
+ }
+} {0 {}}
+integrity_check unique-2.10
+
+# Test the UNIQUE keyword as used on two or more fields.
+#
+do_test unique-3.1 {
+ catchsql {
+ CREATE TABLE t3(
+ a int,
+ b int,
+ c int,
+ d int,
+ unique(a,c,d)
+ );
+ }
+} {0 {}}
+do_test unique-3.2 {
+ catchsql {
+ INSERT INTO t3(a,b,c,d) VALUES(1,2,3,4);
+ SELECT * FROM t3 ORDER BY a,b,c,d;
+ }
+} {0 {1 2 3 4}}
+do_test unique-3.3 {
+ catchsql {
+ INSERT INTO t3(a,b,c,d) VALUES(1,2,3,5);
+ SELECT * FROM t3 ORDER BY a,b,c,d;
+ }
+} {0 {1 2 3 4 1 2 3 5}}
+do_test unique-3.4 {
+ catchsql {
+ INSERT INTO t3(a,b,c,d) VALUES(1,4,3,5);
+ SELECT * FROM t3 ORDER BY a,b,c,d;
+ }
+} {1 {columns a, c, d are not unique}}
+integrity_check unique-3.5
+
+# Make sure NULLs are distinct as far as the UNIQUE tests are
+# concerned.
+#
+do_test unique-4.1 {
+ execsql {
+ CREATE TABLE t4(a UNIQUE, b, c, UNIQUE(b,c));
+ INSERT INTO t4 VALUES(1,2,3);
+ INSERT INTO t4 VALUES(NULL, 2, NULL);
+ SELECT * FROM t4;
+ }
+} {1 2 3 {} 2 {}}
+do_test unique-4.2 {
+ catchsql {
+ INSERT INTO t4 VALUES(NULL, 3, 4);
+ }
+} {0 {}}
+do_test unique-4.3 {
+ execsql {
+ SELECT * FROM t4
+ }
+} {1 2 3 {} 2 {} {} 3 4}
+do_test unique-4.4 {
+ catchsql {
+ INSERT INTO t4 VALUES(2, 2, NULL);
+ }
+} {0 {}}
+do_test unique-4.5 {
+ execsql {
+ SELECT * FROM t4
+ }
+} {1 2 3 {} 2 {} {} 3 4 2 2 {}}
+
+# Ticket #1301. Any NULL value in a set of unique columns should
+# cause the rows to be distinct.
+#
+do_test unique-4.6 {
+ catchsql {
+ INSERT INTO t4 VALUES(NULL, 2, NULL);
+ }
+} {0 {}}
+do_test unique-4.7 {
+ execsql {SELECT * FROM t4}
+} {1 2 3 {} 2 {} {} 3 4 2 2 {} {} 2 {}}
+do_test unique-4.8 {
+ catchsql {CREATE UNIQUE INDEX i4a ON t4(a,b)}
+} {0 {}}
+do_test unique-4.9 {
+ catchsql {CREATE UNIQUE INDEX i4b ON t4(a,b,c)}
+} {0 {}}
+do_test unique-4.10 {
+ catchsql {CREATE UNIQUE INDEX i4c ON t4(b)}
+} {1 {indexed columns are not unique}}
+integrity_check unique-4.99
+
+# Test the error message generation logic. In particular, make sure we
+# do not overflow the static buffer used to generate the error message.
+#
+do_test unique-5.1 {
+ execsql {
+ CREATE TABLE t5(
+ first_column_with_long_name,
+ second_column_with_long_name,
+ third_column_with_long_name,
+ fourth_column_with_long_name,
+ fifth_column_with_long_name,
+ sixth_column_with_long_name,
+ UNIQUE(
+ first_column_with_long_name,
+ second_column_with_long_name,
+ third_column_with_long_name,
+ fourth_column_with_long_name,
+ fifth_column_with_long_name,
+ sixth_column_with_long_name
+ )
+ );
+ INSERT INTO t5 VALUES(1,2,3,4,5,6);
+ SELECT * FROM t5;
+ }
+} {1 2 3 4 5 6}
+do_test unique-5.2 {
+ catchsql {
+ INSERT INTO t5 VALUES(1,2,3,4,5,6);
+ }
+} {1 {columns first_column_with_long_name, second_column_with_long_name, third_column_with_long_name, fourth_column_with_long_name, fifth_column_with_long_name, ... are not unique}}
+
+finish_test