| Index: third_party/sqlite/src/test/descidx3.test
|
| diff --git a/third_party/sqlite/src/test/descidx3.test b/third_party/sqlite/src/test/descidx3.test
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..3cc87afa5ff5236dc81ff3f4389a862661fe001b
|
| --- /dev/null
|
| +++ b/third_party/sqlite/src/test/descidx3.test
|
| @@ -0,0 +1,154 @@
|
| +# 2006 January 02
|
| +#
|
| +# 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 script is descending indices.
|
| +#
|
| +# $Id: descidx3.test,v 1.6 2008/03/19 00:21:31 drh Exp $
|
| +#
|
| +
|
| +set testdir [file dirname $argv0]
|
| +source $testdir/tester.tcl
|
| +
|
| +# Do not use a codec for tests in this file, as the database file is
|
| +# manipulated directly using tcl scripts (using the [hexio_write] command).
|
| +#
|
| +do_not_use_codec
|
| +
|
| +ifcapable !bloblit {
|
| + finish_test
|
| + return
|
| +}
|
| +db eval {PRAGMA legacy_file_format=OFF}
|
| +
|
| +# This procedure sets the value of the file-format in file 'test.db'
|
| +# to $newval. Also, the schema cookie is incremented.
|
| +#
|
| +proc set_file_format {newval} {
|
| + hexio_write test.db 44 [hexio_render_int32 $newval]
|
| + set schemacookie [hexio_get_int [hexio_read test.db 40 4]]
|
| + incr schemacookie
|
| + hexio_write test.db 40 [hexio_render_int32 $schemacookie]
|
| + return {}
|
| +}
|
| +
|
| +# This procedure returns the value of the file-format in file 'test.db'.
|
| +#
|
| +proc get_file_format {{fname test.db}} {
|
| + return [hexio_get_int [hexio_read $fname 44 4]]
|
| +}
|
| +
|
| +# Verify that the file format starts as 4.
|
| +#
|
| +do_test descidx3-1.1 {
|
| + execsql {
|
| + CREATE TABLE t1(i INTEGER PRIMARY KEY,a,b,c,d);
|
| + CREATE INDEX t1i1 ON t1(a DESC, b ASC, c DESC);
|
| + CREATE INDEX t1i2 ON t1(b DESC, c ASC, d DESC);
|
| + }
|
| + get_file_format
|
| +} {4}
|
| +
|
| +# Put some information in the table and verify that the descending
|
| +# index actually works.
|
| +#
|
| +do_test descidx3-2.1 {
|
| + execsql {
|
| + INSERT INTO t1 VALUES(1, NULL, NULL, NULL, NULL);
|
| + INSERT INTO t1 VALUES(2, 2, 2, 2, 2);
|
| + INSERT INTO t1 VALUES(3, 3, 3, 3, 3);
|
| + INSERT INTO t1 VALUES(4, 2.5, 2.5, 2.5, 2.5);
|
| + INSERT INTO t1 VALUES(5, -5, -5, -5, -5);
|
| + INSERT INTO t1 VALUES(6, 'six', 'six', 'six', 'six');
|
| + INSERT INTO t1 VALUES(7, x'77', x'77', x'77', x'77');
|
| + INSERT INTO t1 VALUES(8, 'eight', 'eight', 'eight', 'eight');
|
| + INSERT INTO t1 VALUES(9, x'7979', x'7979', x'7979', x'7979');
|
| + SELECT count(*) FROM t1;
|
| + }
|
| +} 9
|
| +do_test descidx3-2.2 {
|
| + execsql {
|
| + SELECT i FROM t1 ORDER BY a;
|
| + }
|
| +} {1 5 2 4 3 8 6 7 9}
|
| +do_test descidx3-2.3 {
|
| + execsql {
|
| + SELECT i FROM t1 ORDER BY a DESC;
|
| + }
|
| +} {9 7 6 8 3 4 2 5 1}
|
| +
|
| +# The "natural" order for the index is decreasing
|
| +do_test descidx3-2.4 {
|
| + execsql {
|
| + SELECT i FROM t1 WHERE a<=x'7979';
|
| + }
|
| +} {9 7 6 8 3 4 2 5}
|
| +do_test descidx3-2.5 {
|
| + execsql {
|
| + SELECT i FROM t1 WHERE a>-99;
|
| + }
|
| +} {9 7 6 8 3 4 2 5}
|
| +
|
| +# Even when all values of t1.a are the same, sorting by A returns
|
| +# the rows in reverse order because this the natural order of the
|
| +# index.
|
| +#
|
| +do_test descidx3-3.1 {
|
| + execsql {
|
| + UPDATE t1 SET a=1;
|
| + SELECT i FROM t1 ORDER BY a;
|
| + }
|
| +} {9 7 6 8 3 4 2 5 1}
|
| +do_test descidx3-3.2 {
|
| + execsql {
|
| + SELECT i FROM t1 WHERE a=1 AND b>0 AND b<'zzz'
|
| + }
|
| +} {2 4 3 8 6}
|
| +do_test descidx3-3.3 {
|
| + execsql {
|
| + SELECT i FROM t1 WHERE b>0 AND b<'zzz'
|
| + }
|
| +} {6 8 3 4 2}
|
| +do_test descidx3-3.4 {
|
| + execsql {
|
| + SELECT i FROM t1 WHERE a=1 AND b>-9999 AND b<x'ffffffff'
|
| + }
|
| +} {5 2 4 3 8 6 7 9}
|
| +do_test descidx3-3.5 {
|
| + execsql {
|
| + SELECT i FROM t1 WHERE b>-9999 AND b<x'ffffffff'
|
| + }
|
| +} {9 7 6 8 3 4 2 5}
|
| +
|
| +ifcapable subquery {
|
| + # If the subquery capability is not compiled in to the binary, then
|
| + # the IN(...) operator is not available. Hence these tests cannot be
|
| + # run.
|
| + do_test descidx3-4.1 {
|
| + execsql {
|
| + UPDATE t1 SET a=2 WHERE i<6;
|
| + SELECT i FROM t1 WHERE a IN (1,2) AND b>0 AND b<'zzz';
|
| + }
|
| + } {8 6 2 4 3}
|
| + do_test descidx3-4.2 {
|
| + execsql {
|
| + UPDATE t1 SET a=1;
|
| + SELECT i FROM t1 WHERE a IN (1,2) AND b>0 AND b<'zzz';
|
| + }
|
| + } {2 4 3 8 6}
|
| + do_test descidx3-4.3 {
|
| + execsql {
|
| + UPDATE t1 SET b=2;
|
| + SELECT i FROM t1 WHERE a IN (1,2) AND b>0 AND b<'zzz';
|
| + }
|
| + } {9 7 6 8 3 4 2 5 1}
|
| +}
|
| +
|
| +finish_test
|
|
|