Commit 9035b71f authored by unknown's avatar unknown

Bug#13707 - Server crash with INSERT DELAYED on MyISAM table

Initialized 'ptr' for a newly instantiated varstring field.
This is required by INSERT DELAYED.

No test case. This is a migration issue. There are two shell
scripts attached to the bug report. They can be used for testing.


sql/field.cc:
  Bug#13707 - Server crash with INSERT DELAYED on MyISAM table
  Initialized 'ptr' for a newly instantiated varstring field.
  This is required by INSERT DELAYED.
parent bd9236aa
......@@ -6202,9 +6202,16 @@ Field *Field_string::new_field(MEM_ROOT *root, struct st_table *new_table)
This is done to ensure that ALTER TABLE will convert old VARCHAR fields
to now VARCHAR fields.
*/
return new Field_varstring(field_length, maybe_null(),
Field *new_field= new Field_varstring(field_length, maybe_null(),
field_name, new_table,
charset());
/*
delayed_insert::get_local_table() needs a ptr copied from old table.
This is what other new_field() methods do too. The above method of
Field_varstring sets ptr to NULL.
*/
new_field->ptr= ptr;
return new_field;
}
/****************************************************************************
......
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