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In CREATE syntax: KEY a (field_name(10))

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10 now means "number of characters", not number of bytes.
This commit is contained in:
bar@bar.mysql.r18.ru
2003-09-15 14:45:42 +05:00
parent 9a5e82ad64
commit f55b05e2cf
4 changed files with 51 additions and 3 deletions
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8
sql/sql_table.cc
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@ -729,6 +729,9 @@ int mysql_create_table(THD *thd,const char *db, const char *table_name,
*/
if (key->type == Key::FULLTEXT)
column->length=test(f_is_blob(sql_field->pack_flag));
else
column->length*= sql_field->charset->mbmaxlen;
if (f_is_blob(sql_field->pack_flag))
{
if (!(file->table_flags() & HA_BLOB_KEY))
@ -2099,10 +2102,11 @@ int mysql_alter_table(THD *thd,char *new_db, char *new_name,
{ // Check if sub key
if (cfield->field->type() != FIELD_TYPE_BLOB &&
(cfield->field->pack_length() == key_part_length ||
cfield->length != cfield->pack_length ||
cfield->pack_length <= key_part_length))
cfield->length <= key_part_length /
key_part->field->charset()->mbmaxlen))
key_part_length=0; // Use whole field
}
key_part_length /= key_part->field->charset()->mbmaxlen;
key_parts.push_back(new key_part_spec(cfield->field_name,
key_part_length));
}