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MDEV-76 5.5 memory overrun on main.select_jcl6.

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geometry fields are blobs too.
This commit is contained in:
Sergei Golubchik
2012-01-07 20:01:55 +01:00
parent ad2508eac4
commit 8c2bcdf85f
2 changed files with 3 additions and 2 deletions
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4
mysql-test/r/select_jcl6.result
View File

@@ -4411,7 +4411,7 @@ INSERT INTO t1 VALUES
EXPLAIN SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2; EXPLAIN SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2;
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 1 SIMPLE t1 ALL NULL NULL NULL NULL 2
1 SIMPLE t2 hash_ALL a #hash#$hj 12 test.t1.a 2 Using where; Using join buffer (flat, BNLH join) 1 SIMPLE t2 hash_ALL a #hash#$hj 14 test.t1.a 2 Using where; Using join buffer (flat, BNLH join)
SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2; SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2;
1 1
1 1
@@ -4421,7 +4421,7 @@ SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2;
EXPLAIN SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2 FORCE INDEX(a); EXPLAIN SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2 FORCE INDEX(a);
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 1 SIMPLE t1 ALL NULL NULL NULL NULL 2
1 SIMPLE t2 hash_ALL a #hash#$hj 12 test.t1.a 2 Using where; Using join buffer (flat, BNLH join) 1 SIMPLE t2 hash_ALL a #hash#$hj 14 test.t1.a 2 Using where; Using join buffer (flat, BNLH join)
SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2 FORCE INDEX(a); SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2 FORCE INDEX(a);
1 1
1 1

1
sql/table.cc
View File

@@ -5621,6 +5621,7 @@ void TABLE::create_key_part_by_field(KEY *keyinfo,
keyinfo->key_length+= HA_KEY_NULL_LENGTH; keyinfo->key_length+= HA_KEY_NULL_LENGTH;
} }
if (field->type() == MYSQL_TYPE_BLOB || if (field->type() == MYSQL_TYPE_BLOB ||
field->type() == MYSQL_TYPE_GEOMETRY ||
field->real_type() == MYSQL_TYPE_VARCHAR) field->real_type() == MYSQL_TYPE_VARCHAR)
{ {
key_part_info->store_length+= HA_KEY_BLOB_LENGTH; key_part_info->store_length+= HA_KEY_BLOB_LENGTH;