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LOCK+modify+OPTIMIZE bugfix

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serg@serg.mysql.com 2002-08-31 23:18:08 +00:00
parent 184ef91d4c
commit 27390a8d81
4 changed files with 17 additions and 0 deletions
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3
Docs/manual.texi
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@ -46929,6 +46929,9 @@ not yet 100% confident in this code.
@appendixsubsec Changes in release 3.23.53
@itemize @bullet
@item
Fixed a bug that @code{OPTIMIZE} of locked and modified MyISAM table,
reported table corruption.
@item
Fixed a @code{BDB}-related @code{ALTER TABLE} bug with dropping a column
and shutting down immediately thereafter.
@item

2
mysql-test/r/myisam.result
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@ -36,3 +36,5 @@ table type possible_keys key key_len ref rows Extra
t1 ALL NULL NULL NULL NULL 4
table type possible_keys key key_len ref rows Extra
t1 ALL NULL NULL NULL NULL 4
Table Op Msg_type Msg_text
test.t1 optimize status OK

11
mysql-test/t/myisam.test
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@ -64,3 +64,14 @@ explain select a,b from t1 order by b;
explain select a,b from t1;
explain select a,b,c from t1;
drop table t1;
#
# Test of OPTIMIZE of locked and modified tables
#
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (1), (2), (3);
LOCK TABLES t1 WRITE;
INSERT INTO t1 VALUES (1), (2), (3);
OPTIMIZE TABLE t1;
DROP TABLE t1;

1
sql/ha_myisam.cc
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@ -561,6 +561,7 @@ int ha_myisam::repair(THD *thd, MI_CHECK &param, bool optimize)
}
if (!optimize ||
memcmp(file->state, & share->state.state, sizeof(MI_STATUS_INFO)) ||
((file->state->del || share->state.split != file->state->records) &&
(!param.opt_rep_quick ||
!(share->state.changed & STATE_NOT_OPTIMIZED_KEYS))))