optimize table corruption fixed, though more clean fix is desired.

Fix for another optimize bug is undone, as the new one handles both cases.
test added


mysql-test/r/myisam.result:
  updated
mysql-test/t/myisam.test:
  optimize table corruption test
sql/ha_myisam.cc:
  optimize table corruption fixed, though more clean fix is desired.
  Fix for another optimize bug is undone, as the new one handles both cases.

1 files changed, 40 insertions, 0 deletions

diff --git a/mysql-test/t/myisam.test b/mysql-test/t/myisam.test
index 07fee2cf64f..92f22d35b81 100644
--- a/mysql-test/t/myisam.test
+++ b/mysql-test/t/myisam.test
@@ -76,6 +76,46 @@ OPTIMIZE TABLE t1;
 DROP TABLE t1;
 
 #
+# Test of optimize, when only mi_sort_index (but not mi_repair*) is done
+# in ha_myisam::repair, and index size is changed (decreased).
+#
+
+drop table if exists t1;
+create table t1 ( t1 char(255), key(t1(250)));
+insert t1 values ('137513751375137513751375137513751375137569516951695169516951695169516951695169');
+insert t1 values ('178417841784178417841784178417841784178403420342034203420342034203420342034203');
+insert t1 values ('213872387238723872387238723872387238723867376737673767376737673767376737673767');
+insert t1 values ('242624262426242624262426242624262426242607890789078907890789078907890789078907');
+insert t1 values ('256025602560256025602560256025602560256011701170117011701170117011701170117011');
+insert t1 values ('276027602760276027602760276027602760276001610161016101610161016101610161016101');
+insert t1 values ('281528152815281528152815281528152815281564956495649564956495649564956495649564');
+insert t1 values ('292129212921292129212921292129212921292102100210021002100210021002100210021002');
+insert t1 values ('380638063806380638063806380638063806380634483448344834483448344834483448344834');
+insert t1 values ('411641164116411641164116411641164116411616301630163016301630163016301630163016');
+insert t1 values ('420842084208420842084208420842084208420899889988998899889988998899889988998899');
+insert t1 values ('438443844384438443844384438443844384438482448244824482448244824482448244824482');
+insert t1 values ('443244324432443244324432443244324432443239613961396139613961396139613961396139');
+insert t1 values ('485448544854485448544854485448544854485477847784778477847784778477847784778477');
+insert t1 values ('494549454945494549454945494549454945494555275527552755275527552755275527552755');
+insert t1 values ('538647864786478647864786478647864786478688918891889188918891889188918891889188');
+insert t1 values ('565556555655565556555655565556555655565554845484548454845484548454845484548454');
+insert t1 values ('607860786078607860786078607860786078607856665666566656665666566656665666566656');
+insert t1 values ('640164016401640164016401640164016401640141274127412741274127412741274127412741');
+insert t1 values ('719471947194719471947194719471947194719478717871787178717871787178717871787178');
+insert t1 values ('742574257425742574257425742574257425742549604960496049604960496049604960496049');
+insert t1 values ('887088708870887088708870887088708870887035963596359635963596359635963596359635');
+insert t1 values ('917791779177917791779177917791779177917773857385738573857385738573857385738573');
+insert t1 values ('933293329332933293329332933293329332933278987898789878987898789878987898789878');
+insert t1 values ('963896389638963896389638963896389638963877807780778077807780778077807780778077');
+delete from t1 where t1>'2';
+insert t1 values ('70'), ('84'), ('60'), ('20'), ('76'), ('89'), ('49'), ('50'),
+('88'), ('61'), ('42'), ('98'), ('39'), ('30'), ('25'), ('66'), ('61'), ('48'),
+('80'), ('84'), ('98'), ('19'), ('91'), ('42'), ('47');
+optimize table t1;
+check table t1;
+drop table t1;
+
+#
 # test of myisam with huge number of packed fields
 #