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Merge 10.4 into 10.5

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This commit is contained in:
Marko Mäkelä
2021-04-14 11:35:39 +03:00
parent 9ff737b25e 5008171b05
commit 6c3e860cbf
137 changed files with 1947 additions and 632 deletions
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5
sql/sql_table.cc
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@ -8833,6 +8833,7 @@ mysql_prepare_alter_table(THD *thd, TABLE *table,
long_hash_key= true;
}
const char *dropped_key_part= NULL;
bool user_keyparts= false; // some user-defined keyparts left
KEY_PART_INFO *key_part= key_info->key_part;
key_parts.empty();
uint key_parts_nr= key_info->user_defined_key_parts;
@ -8912,6 +8913,8 @@ mysql_prepare_alter_table(THD *thd, TABLE *table,
key_parts.push_back(new (thd->mem_root) Key_part_spec(&cfield->field_name,
key_part_length, true),
thd->mem_root);
if (cfield->invisible < INVISIBLE_SYSTEM)
user_keyparts= true;
}
if (table->s->tmp_table == NO_TMP_TABLE)
{
@ -8957,7 +8960,7 @@ mysql_prepare_alter_table(THD *thd, TABLE *table,
key_type= Key::PRIMARY;
else
key_type= Key::UNIQUE;
if (dropped_key_part)
if (dropped_key_part && user_keyparts)
{
my_error(ER_KEY_COLUMN_DOES_NOT_EXITS, MYF(0), dropped_key_part);
if (long_hash_key)