bk commit into 5.0 tree (sergefp:1.1827) BUG#9348

[Sergey Petrunia]

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ChangeSet
  1.1827 05/04/16 12:14:33 sergefp@stripped +3 -0
  Fix for BUG#9348.

  sql/opt_range.cc
    1.151 05/04/16 12:14:28 sergefp@stripped +1 -0
    Fix for BUG#9348: when computing union of two intervals set lower bound to minimum
left bound

  mysql-test/t/range.test
    1.23 05/04/16 12:14:28 sergefp@stripped +20 -0
    Testcase for BUG#9348

  mysql-test/r/range.result
    1.31 05/04/16 12:14:28 sergefp@stripped +18 -0
    Testcase for BUG#9348

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	sergefp
# Host:	newbox.mylan
# Root:	/home/psergey/mysql-5.0-bug9348-look2

--- 1.150/sql/opt_range.cc	2005-04-05 15:17:40 +04:00
+++ 1.151/sql/opt_range.cc	2005-04-16 12:14:28 +04:00
@@ -4371,6 +4371,7 @@
 	  last=last->next;
 	  key1=key1->tree_delete(save);
 	}
+        last->copy_min(tmp);
 	if (last->copy_min(key2) || last->copy_max(key2))
 	{					// Full range
 	  key1->free_tree();

--- 1.30/mysql-test/r/range.result	2005-04-12 14:04:38 +04:00
+++ 1.31/mysql-test/r/range.result	2005-04-16 12:14:28 +04:00
@@ -566,3 +566,21 @@
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	ALL	a	NULL	NULL	NULL	9	Using where
 drop table t1;
+CREATE TABLE t1 (
+`CLIENT` char(3) character set latin1 collate latin1_bin NOT NULL default '000',
+`ARG1` char(3) character set latin1 collate latin1_bin NOT NULL default '',
+`ARG2` char(3) character set latin1 collate latin1_bin NOT NULL default '',
+`FUNCTION` varchar(10) character set latin1 collate latin1_bin NOT NULL default '',
+`FUNCTINT` int(11) NOT NULL default '0',
+KEY `VERI_CLNT~2` (`ARG1`)
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+INSERT INTO t1 VALUES ('000',' 0',' 0','Text 001',0), ('000','
+0',' 1','Text 002',0), ('000',' 1',' 2','Text 003',0), ('000',' 2','
+3','Text 004',0), ('001',' 3',' 0','Text 017',0);
+SELECT count(*) FROM t1 WHERE CLIENT='000' AND (ARG1 != ' 1' OR ARG1 != ' 2');
+count(*)
+4
+SELECT count(*) FROM t1 WHERE CLIENT='000' AND (ARG1 != ' 2' OR ARG1 != ' 1');
+count(*)
+4
+drop table t1;

--- 1.22/mysql-test/t/range.test	2005-04-12 14:04:38 +04:00
+++ 1.23/mysql-test/t/range.test	2005-04-16 12:14:28 +04:00
@@ -433,3 +433,23 @@
 # this one cannot:
 explain select * from t1 where a='aaa' collate latin1_german1_ci;
 drop table t1;
+
+# Test for BUG#9348 "result for WHERE A AND (B OR C) differs from WHERE a AND (C OR B)"
+CREATE TABLE t1 (
+  `CLIENT` char(3) character set latin1 collate latin1_bin NOT NULL default '000',
+  `ARG1` char(3) character set latin1 collate latin1_bin NOT NULL default '',
+  `ARG2` char(3) character set latin1 collate latin1_bin NOT NULL default '',
+  `FUNCTION` varchar(10) character set latin1 collate latin1_bin NOT NULL default '',
+  `FUNCTINT` int(11) NOT NULL default '0',
+  KEY `VERI_CLNT~2` (`ARG1`)
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+
+INSERT INTO t1 VALUES ('000',' 0',' 0','Text 001',0), ('000','
+0',' 1','Text 002',0), ('000',' 1',' 2','Text 003',0), ('000',' 2','
+3','Text 004',0), ('001',' 3',' 0','Text 017',0);
+
+SELECT count(*) FROM t1 WHERE CLIENT='000' AND (ARG1 != ' 1' OR ARG1 != ' 2');
+
+SELECT count(*) FROM t1 WHERE CLIENT='000' AND (ARG1 != ' 2' OR ARG1 != ' 1');
+drop table t1;
+