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A fix for a bug which hits the optimiser when trying to group keys

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for a seemingly impoosbile conds in WHERE....

This crashed MySQL in 4.0.2


Docs/manual.texi:
  A fix for a bug which hits the optimiser when trying to group keys
  for a seemingly impoosbile conds in WHERE....
mysql-test/r/select.result:
  A fix for a bug which hits the optimiser when trying to group keys
  for a seemingly impoosbile conds in WHERE....
mysql-test/t/select.test:
  A fix for a bug which hits the optimiser when trying to group keys
  for a seemingly impoosbile conds in WHERE....
sql/opt_range.cc:
  A fix for a bug which hits the optimiser when trying to group keys
  for a seemingly impoosbile conds in WHERE....
This commit is contained in:
unknown
2002-06-15 14:56:35 +03:00
parent 52eab5dca2
commit 451a5e510b
4 changed files with 18 additions and 1 deletions
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8
mysql-test/r/select.result
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@ -3232,3 +3232,11 @@ t2 1 fld3 1 fld3 A NULL NULL NULL BTREE
DO 1;
DO benchmark(100,1+1),1,1;
drop table t4, t3,t2, t1;
DROP TABLE IF EXISTS t1,t2;
CREATE TABLE t1 ( gvid int(10) unsigned default NULL, hmid int(10) unsigned default NULL, volid int(10) unsigned default NULL, mmid int(10) unsigned default NULL, hdid int(10) unsigned default NULL, fsid int(10) unsigned default NULL, ctid int(10) unsigned default NULL, dtid int(10) unsigned default NULL, cost int(10) unsigned default NULL, performance int(10) unsigned default NULL, serialnumber bigint(20) unsigned default NULL, monitored tinyint(3) unsigned default '1', removed tinyint(3) unsigned default '0', target tinyint(3) unsigned default '0', dt_modified timestamp(14) NOT NULL, name varchar(255) binary default NULL, description varchar(255) default NULL, UNIQUE KEY hmid (hmid,volid)) TYPE=MyISAM;
INSERT INTO t1 VALUES (200001,2,1,1,100,1,1,1,0,0,0,1,0,1,20020425060057,'\\\\ARKIVIO-TESTPDC\\E$',''),(200002,2,2,1,101,1,1,1,0,0,0,1,0,1,20020425060057,'\\\\ARKIVIO-TESTPDC\\C$',''),(200003,1,3,2,NULL,NULL,NULL,NULL,NULL,NULL,NULL,1,0,1,20020425060427,'c:',NULL);
CREATE TABLE t2 ( hmid int(10) unsigned default NULL, volid int(10) unsigned default NULL, sampletid smallint(5) unsigned default NULL, sampletime datetime default NULL, samplevalue bigint(20) unsigned default NULL, KEY idx1 (hmid,volid,sampletid,sampletime)) TYPE=MyISAM;
INSERT INTO t2 VALUES (1,3,10,'2002-06-01 08:00:00',35),(1,3,1010,'2002-06-01 12:00:01',35);
SELECT a.gvid, (SUM(CASE b.sampletid WHEN 140 THEN b.samplevalue ELSE 0 END)) as the_success,(SUM(CASE b.sampletid WHEN 141 THEN b.samplevalue ELSE 0 END)) as the_fail,(SUM(CASE b.sampletid WHEN 142 THEN b.samplevalue ELSE 0 END)) as the_size,(SUM(CASE b.sampletid WHEN 143 THEN b.samplevalue ELSE 0 END)) as the_time FROM t1 a, t2 b WHERE a.hmid = b.hmid AND a.volid = b.volid AND b.sampletime >= 'NULL' AND b.sampletime < 'NULL' AND b.sampletid IN (140, 141, 142, 143) GROUP BY a.gvid;
gvid the_success the_fail the_size the_time
DROP TABLE t1,t2;