| Index: third_party/sqlite/src/test/alias.test
|
| diff --git a/third_party/sqlite/src/test/alias.test b/third_party/sqlite/src/test/alias.test
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..290798974b74c2e680d4af75c8e122f6f22ade89
|
| --- /dev/null
|
| +++ b/third_party/sqlite/src/test/alias.test
|
| @@ -0,0 +1,140 @@
|
| +# 2008 August 28
|
| +#
|
| +# 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 correct code generation of aliased result-set
|
| +# values. See ticket #3343.
|
| +#
|
| +# $Id: alias.test,v 1.3 2009/04/23 13:22:44 drh Exp $
|
| +#
|
| +set testdir [file dirname $argv0]
|
| +source $testdir/tester.tcl
|
| +
|
| +# Aliases are currently evaluated twice. We might try to change this
|
| +# in the future. But not now.
|
| +return
|
| +
|
| +# A procedure to return a sequence of increasing integers.
|
| +#
|
| +namespace eval ::seq {
|
| + variable counter 0
|
| + proc value {args} {
|
| + variable counter
|
| + incr counter
|
| + return $counter
|
| + }
|
| + proc reset {} {
|
| + variable counter
|
| + set counter 0
|
| + }
|
| +}
|
| +
|
| +
|
| +do_test alias-1.1 {
|
| + db function sequence ::seq::value
|
| + db eval {
|
| + CREATE TABLE t1(x);
|
| + INSERT INTO t1 VALUES(9);
|
| + INSERT INTO t1 VALUES(8);
|
| + INSERT INTO t1 VALUES(7);
|
| + SELECT x, sequence() FROM t1;
|
| + }
|
| +} {9 1 8 2 7 3}
|
| +do_test alias-1.2 {
|
| + ::seq::reset
|
| + db eval {
|
| + SELECT x, sequence() AS y FROM t1 WHERE y>0
|
| + }
|
| +} {9 1 8 2 7 3}
|
| +do_test alias-1.3 {
|
| + ::seq::reset
|
| + db eval {
|
| + SELECT x, sequence() AS y FROM t1 WHERE y>0 AND y<99
|
| + }
|
| +} {9 1 8 2 7 3}
|
| +do_test alias-1.4 {
|
| + ::seq::reset
|
| + db eval {
|
| + SELECT x, sequence() AS y FROM t1 WHERE y>0 AND y<99 AND y!=55
|
| + }
|
| +} {9 1 8 2 7 3}
|
| +do_test alias-1.5 {
|
| + ::seq::reset
|
| + db eval {
|
| + SELECT x, sequence() AS y FROM t1
|
| + WHERE y>0 AND y<99 AND y!=55 AND y NOT IN (56,57,58)
|
| + AND y NOT LIKE 'abc%' AND y%10==2
|
| + }
|
| +} {8 2}
|
| +do_test alias-1.6 {
|
| + ::seq::reset
|
| + db eval {
|
| + SELECT x, sequence() AS y FROM t1 WHERE y BETWEEN 0 AND 99
|
| + }
|
| +} {9 1 8 2 7 3}
|
| +#do_test alias-1.7 {
|
| +# ::seq::reset
|
| +# db eval {
|
| +# SELECT x, sequence() AS y FROM t1 WHERE y IN (55,66,3)
|
| +# }
|
| +#} {7 3}
|
| +do_test alias-1.8 {
|
| + ::seq::reset
|
| + db eval {
|
| + SELECT x, 1-sequence() AS y FROM t1 ORDER BY y
|
| + }
|
| +} {7 -2 8 -1 9 0}
|
| +do_test alias-1.9 {
|
| + ::seq::reset
|
| + db eval {
|
| + SELECT x, sequence() AS y FROM t1 ORDER BY -y
|
| + }
|
| +} {7 3 8 2 9 1}
|
| +do_test alias-1.10 {
|
| + ::seq::reset
|
| + db eval {
|
| + SELECT x, sequence() AS y FROM t1 ORDER BY x%2, y
|
| + }
|
| +} {8 2 9 1 7 3}
|
| +
|
| +unset -nocomplain random_int_list
|
| +set random_int_list [db eval {
|
| + SELECT random()&2147483647 AS r FROM t1, t1, t1, t1 ORDER BY r
|
| +}]
|
| +do_test alias-1.11 {
|
| + lsort -integer $::random_int_list
|
| +} $random_int_list
|
| +
|
| +
|
| +do_test alias-2.1 {
|
| + db eval {
|
| + SELECT 4 UNION SELECT 1 ORDER BY 1
|
| + }
|
| +} {1 4}
|
| +do_test alias-2.2 {
|
| + db eval {
|
| + SELECT 4 UNION SELECT 1 UNION SELECT 9 ORDER BY 1
|
| + }
|
| +} {1 4 9}
|
| +
|
| +if 0 {
|
| + # Aliases in the GROUP BY clause cause the expression to be evaluated
|
| + # twice in the current implementation. This might change in the future.
|
| + #
|
| + do_test alias-3.1 {
|
| + ::seq::reset
|
| + db eval {
|
| + SELECT sequence(*) AS y, count(*) AS z FROM t1 GROUP BY y ORDER BY z, y
|
| + }
|
| + } {1 1 2 1 3 1}
|
| +}
|
| +
|
| +finish_test
|
|
|