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Bug#37284 Crash in Field_string::type()

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The bug is repeatable with latest(1.0.1) InnoDB plugin on Linux, Win,
If MySQL is compiled with valgrind there are errors about
using of uninitialized variable(orig_table).
The fix is to set field->orig_table correct value.
This commit is contained in:
Sergey Glukhov
2008-11-27 18:54:23 +04:00
parent 861eeb918d
commit 63bca358ca
3 changed files with 20 additions and 0 deletions
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6
mysql-test/r/innodb_mysql.result
View File

@ -1261,4 +1261,10 @@ a b c
5 1 1
4 1 1
DROP TABLE t1;
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (a char(50)) ENGINE=InnoDB;
CREATE INDEX i1 on t1 (a(3));
SELECT * FROM t1 WHERE a = 'abcde';
a
DROP TABLE t1;
End of 5.0 tests

11
mysql-test/t/innodb_mysql.test
View File

@ -1014,4 +1014,15 @@ SELECT a, b, c FROM t1 WHERE b = 1 ORDER BY a DESC LIMIT 5;
DROP TABLE t1;
#
# Bug#37284 Crash in Field_string::type()
#
--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings
CREATE TABLE t1 (a char(50)) ENGINE=InnoDB;
CREATE INDEX i1 on t1 (a(3));
SELECT * FROM t1 WHERE a = 'abcde';
DROP TABLE t1;
--echo End of 5.0 tests

3
sql/sql_base.cc
View File

@ -2102,7 +2102,10 @@ bool reopen_table(TABLE *table,bool locked)
for (key=0 ; key < table->s->keys ; key++)
{
for (part=0 ; part < table->key_info[key].usable_key_parts ; part++)
{
table->key_info[key].key_part[part].field->table= table;
table->key_info[key].key_part[part].field->orig_table= table;
}
}
if (table->triggers)
table->triggers->set_table(table);