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Enlarged group item key_length by a varstring length field.

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Group item fields are implemented as varstrings nowadays.
Made init_connect.test robust against existing t1.
This commit is contained in:
ingo@mysql.com
2004-12-16 11:41:52 +01:00
parent 7216594f4f
commit 05d5360e7f
3 changed files with 16 additions and 3 deletions
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15
sql/sql_select.cc
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@ -11654,8 +11654,21 @@ calc_group_buffer(JOIN *join,ORDER *group)
key_length+=sizeof(double);
else if ((*group->item)->result_type() == INT_RESULT)
key_length+=sizeof(longlong);
else if ((*group->item)->result_type() == STRING_RESULT)
{
/*
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;
}
else
key_length+=(*group->item)->max_length;
{
/* This case should never be choosen */
DBUG_ASSERT(0);
current_thd->fatal_error();
}
parts++;
if ((*group->item)->maybe_null)
null_parts++;