sqlite/test/index3.test

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# 2005-02-14
#
# 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 INDEX statement.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
# Ticket #1115. Make sure that when a UNIQUE index is created on a
# non-unique column (or columns) that it fails and that it leaves no
# residue behind.
#
do_test index3-1.1 {
execsql {
CREATE TABLE t1(a);
INSERT INTO t1 VALUES(1);
INSERT INTO t1 VALUES(1);
SELECT * FROM t1;
}
} {1 1}
do_test index3-1.2 {
catchsql {
BEGIN;
CREATE UNIQUE INDEX i1 ON t1(a);
}
} {1 {UNIQUE constraint failed: t1.a}}
do_test index3-1.3 {
catchsql COMMIT;
} {0 {}}
integrity_check index3-1.4
# Backwards compatibility test:
#
# Verify that CREATE INDEX statements that use strings instead of
# identifiers for the the column names continue to work correctly.
# This is undocumented behavior retained for backwards compatiblity.
#
do_execsql_test index3-2.1 {
DROP TABLE t1;
CREATE TABLE t1(a, b, c, d, e,
PRIMARY KEY('a'), UNIQUE('b' COLLATE nocase DESC));
CREATE INDEX t1c ON t1('c');
CREATE INDEX t1d ON t1('d' COLLATE binary ASC);
WITH RECURSIVE c(x) AS (VALUES(1) UNION SELECT x+1 FROM c WHERE x<30)
INSERT INTO t1(a,b,c,d,e)
SELECT x, printf('ab%03xxy',x), x, x, x FROM c;
} {}
do_execsql_test index3-2.2 {
SELECT a FROM t1 WHERE b='ab005xy' COLLATE nocase;
} {5}
do_execsql_test index3-2.2eqp {
EXPLAIN QUERY PLAN
SELECT a FROM t1 WHERE b='ab005xy' COLLATE nocase;
} {/USING INDEX/}
do_execsql_test index3-2.3 {
SELECT name FROM sqlite_master WHERE tbl_name='t1' ORDER BY name
} {sqlite_autoindex_t1_1 sqlite_autoindex_t1_2 t1 t1c t1d}
do_execsql_test index3-2.4 {
CREATE TABLE t2a(a integer, b, PRIMARY KEY(a));
CREATE TABLE t2b("a" integer, b, PRIMARY KEY("a"));
CREATE TABLE t2c([a] integer, b, PRIMARY KEY([a]));
CREATE TABLE t2d('a' integer, b, PRIMARY KEY('a'));
}
do_execsql_test index3-2.5 {
SELECT name FROM sqlite_master WHERE tbl_name LIKE 't2_' ORDER BY name
} {t2a t2b t2c t2d}
# This test corrupts the database file so it must be the last test
# in the series.
#
do_test index3-99.1 {
execsql {
PRAGMA writable_schema=on;
UPDATE sqlite_master SET sql='nonsense' WHERE name='t1d'
}
db close
catch { sqlite3 db test.db }
catchsql { DROP INDEX t1c }
} {1 {malformed database schema (t1d)}}
finish_test