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Merge 10.4 into 10.5

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This commit is contained in:
Marko Mäkelä
2021-10-21 15:26:25 +03:00
parent 3c2ab896b9 489ef007be
commit 5f8561a6bc
84 changed files with 2228 additions and 595 deletions
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15
sql/sql_table.cc
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@ -4229,8 +4229,6 @@ mysql_prepare_create_table(THD *thd, HA_CREATE_INFO *create_info,
/* Align key length to multibyte char boundary */
key_part_length-= key_part_length % sql_field->charset->mbmaxlen;
}
else
is_hash_field_needed= true;
}
}
// Catch invalid use of partial keys
@ -4276,11 +4274,7 @@ mysql_prepare_create_table(THD *thd, HA_CREATE_INFO *create_info,
}
else
{
if (key->type == Key::UNIQUE)
{
is_hash_field_needed= true;
}
else
if (key->type != Key::UNIQUE)
{
key_part_length= MY_MIN(max_key_length, file->max_key_part_length());
my_error(ER_TOO_LONG_KEY, MYF(0), key_part_length);
@ -4289,6 +4283,11 @@ mysql_prepare_create_table(THD *thd, HA_CREATE_INFO *create_info,
}
}
if (key->type == Key::UNIQUE
&& key_part_length > MY_MIN(max_key_length,
file->max_key_part_length()))
is_hash_field_needed= true;
/* We can not store key_part_length more then 2^16 - 1 in frm */
if (is_hash_field_needed && column->length > UINT_MAX16)
{
@ -4323,7 +4322,7 @@ mysql_prepare_create_table(THD *thd, HA_CREATE_INFO *create_info,
unique_key=1;
key_info->key_length=(uint16) key_length;
if (key_info->key_length > max_key_length && key->type == Key::UNIQUE)
is_hash_field_needed= true;
is_hash_field_needed= true; // for case "a BLOB UNIQUE"
if (key_length > max_key_length && key->type != Key::FULLTEXT &&
!is_hash_field_needed)
{