Backport to 10.0: MDEV-8779: mysqld got signal 11 in sql/opt_range_mrr.cc:100(step_down_to)

spetrunia · spetrunia · commit 81727cd77405 · 2015-09-22T12:54:01.000+03:00
Post fix: initialize a variable
diff --git a/sql/opt_range.cc b/sql/opt_range.cc
@@ -4921,7 +4921,7 @@ static bool create_partition_index_description(PART_PRUNE_PARAM *ppar)
                                            part_info->subpart_field_array;
   bool in_subpart_fields= FALSE;
   uint max_key_len= 0;
-  uint cur_key_len;
+  uint cur_key_len= 0;
   for (uint part= 0; part < total_parts; part++, key_part++)
   {
     key_part->key=          0;

Original file line number	Diff line number	Diff line change
`@@ -4921,7 +4921,7 @@ static bool create_partition_index_description(PART_PRUNE_PARAM *ppar)`
`4921`	`4921`	`part_info->subpart_field_array;`
`4922`	`4922`	`bool in_subpart_fields= FALSE;`
`4923`	`4923`	`uint max_key_len= 0;`
`4924`		`- uint cur_key_len;`
	`4924`	`+ uint cur_key_len= 0;`
`4925`	`4925`	`for (uint part= 0; part < total_parts; part++, key_part++)`
`4926`	`4926`	`{`
`4927`	`4927`	`key_part->key= 0;`