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BUG#11756869 - 48848: MYISAMCHK DOING SORT RECOVER IN CERTAIN

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CASES RESETS DATA POINTER TO SMAL

ISSUE: Myisamchk doing sort recover
       on a table reduces data_file_length.
       Maximum size of data file decreases,
       lesser number of rows are stored.

SOLUTION: Size of data_file_length is
          fixed to the original length.
This commit is contained in:
Ashish Agarwal
2012-02-01 11:19:53 +05:30
parent 5dbcff9b9c
commit 52357198d0
3 changed files with 37 additions and 8 deletions
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13
mysql-test/r/myisam.result
View File

@ -2412,4 +2412,17 @@ CARDINALITY
DROP TABLE t1;
SET myisam_sort_buffer_size=@@global.myisam_sort_buffer_size;
SET myisam_repair_threads=@@global.myisam_repair_threads;
#
# BUG 11756869 - 48848: MYISAMCHK DOING SORT RECOVER IN CERTAIN
# CASES RESETS DATA POINTER TO SMAL
#
CREATE TABLE t1(a INT, KEY(a));
ALTER TABLE t1 DISABLE KEYS;
SET @before:= (SELECT MAX_DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME='t1' AND TABLE_SCHEMA='test');
FLUSH TABLES;
SET @after:= (SELECT MAX_DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME='t1' AND TABLE_SCHEMA='test');
SELECT @before=@after;
@before=@after
1
DROP TABLE t1;
End of 5.1 tests

16
mysql-test/t/myisam.test
View File

@ -1645,4 +1645,20 @@ DROP TABLE t1;
SET myisam_sort_buffer_size=@@global.myisam_sort_buffer_size;
SET myisam_repair_threads=@@global.myisam_repair_threads;
--echo #
--echo # BUG 11756869 - 48848: MYISAMCHK DOING SORT RECOVER IN CERTAIN
--echo # CASES RESETS DATA POINTER TO SMAL
--echo #
CREATE TABLE t1(a INT, KEY(a));
ALTER TABLE t1 DISABLE KEYS;
let $MYSQLD_DATADIR= `select @@datadir`;
SET @before:= (SELECT MAX_DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME='t1' AND TABLE_SCHEMA='test');
FLUSH TABLES;
--replace_result $MYSQLD_DATADIR MYSQLD_DATADIR
--exec $MYISAMCHK -sn $MYSQLD_DATADIR/test/t1
SET @after:= (SELECT MAX_DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME='t1' AND TABLE_SCHEMA='test');
SELECT @before=@after;
DROP TABLE t1;
--echo End of 5.1 tests