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Unified Diff: third_party/sqlite/test/tkt3757.test

Issue 3108030: Move bundled copy of sqlite one level deeper to better separate it... (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 10 years, 4 months ago
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Index: third_party/sqlite/test/tkt3757.test
===================================================================
--- third_party/sqlite/test/tkt3757.test (revision 56608)
+++ third_party/sqlite/test/tkt3757.test (working copy)
@@ -1,60 +0,0 @@
-# 2009 March 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.
-#
-#***********************************************************************
-#
-# Ticket #3757: The cost functions on the query optimizer for the
-# IN operator can be improved.
-#
-# $Id: tkt3757.test,v 1.1 2009/03/29 00:13:04 drh Exp $
-
-set testdir [file dirname $argv0]
-source $testdir/tester.tcl
-
-# Evaluate SQL. Return the result set followed by the
-# and the number of full-scan steps.
-#
-proc count_steps {sql} {
- set r [db eval $sql]
- lappend r scan [db status step] sort [db status sort]
-}
-
-# Construct tables
-#
-do_test tkt3757-1.1 {
- db eval {
- CREATE TABLE t1(x INTEGER, y INTEGER, z TEXT);
- CREATE INDEX t1i1 ON t1(y,z);
- INSERT INTO t1 VALUES(1,2,'three');
- CREATE TABLE t2(a INTEGER, b TEXT);
- INSERT INTO t2 VALUES(2, 'two');
- ANALYZE;
- SELECT * FROM sqlite_stat1;
- }
-} {t1 t1i1 {1 1 1}}
-
-# Modify statistics in order to make the optimizer then that:
-#
-# (1) Table T1 has about 250K entries
-# (2) There are only about 5 distinct values of T1.
-#
-# Then run a query with "t1.y IN (SELECT ..)" in the WHERE clause.
-# Make sure the index is used.
-#
-do_test tkt3757-1.2 {
- db eval {
- DELETE FROM sqlite_stat1;
- INSERT INTO sqlite_stat1 VALUES('t1','t1i1','250000 50000 30');
- }
- count_steps {
- SELECT * FROM t1 WHERE y IN (SELECT a FROM t2)
- }
-} {1 2 three scan 0 sort 0}
-
-finish_test
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