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Merge mysql.com:/home/ram/work/b31249/b31249.5.0

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into  mysql.com:/home/ram/work/b31249/b31249.5.1
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ramil/ram@ramil.myoffice.izhnet.ru
2007-10-09 16:21:27 +05:00
parent a4ba236948 4792385177
commit 1e4ff5c09b
4 changed files with 52 additions and 5 deletions
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26
sql/sql_select.cc
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@ -14370,13 +14370,31 @@ calc_group_buffer(JOIN *join,ORDER *group)
group_item->decimals);
break;
case STRING_RESULT:
{
enum enum_field_types type= group_item->field_type();
/*
Group strings are taken as varstrings and require an length field.
A field is not yet created by create_tmp_field()
and the sizes should match up.
As items represented as DATE/TIME fields in the group buffer
have STRING_RESULT result type, we increase the length
by 8 as maximum pack length of such fields.
*/
key_length+= group_item->max_length + HA_KEY_BLOB_LENGTH;
if (type == MYSQL_TYPE_TIME ||
type == MYSQL_TYPE_DATE ||
type == MYSQL_TYPE_DATETIME ||
type == MYSQL_TYPE_TIMESTAMP)
{
key_length+= 8;
}
else
{
/*
Group strings are taken as varstrings and require an length field.
A field is not yet created by create_tmp_field()
and the sizes should match up.
*/
key_length+= group_item->max_length + HA_KEY_BLOB_LENGTH;
}
break;
}
default:
/* This case should never be choosen */
DBUG_ASSERT(0);