Commit 63bca358 authored by Sergey Glukhov's avatar Sergey Glukhov
Browse files

Bug#37284 Crash in Field_string::type() 

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.
parent 861eeb91

mysql-test/r/innodb_mysql.result

+6 −0
Original line number Diff line number Diff line
@@ -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

mysql-test/t/innodb_mysql.test

+11 −0
Original line number Diff line number Diff line
@@ -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

sql/sql_base.cc

+3 −0
Original line number Diff line number Diff line
@@ -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);