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Merge 10.3 into 10.4

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This commit is contained in:
Marko Mäkelä
2022-03-29 11:13:18 +03:00
parent 97f237e66d 020e7d89eb
commit ae6e214fd8
66 changed files with 1972 additions and 197 deletions
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43
sql/sql_table.cc
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@ -9807,22 +9807,24 @@ bool mysql_alter_table(THD *thd, const LEX_CSTRING *new_db,
create_info->used_fields |= HA_CREATE_USED_ROW_FORMAT;
}
handlerton * const old_db_type= table->s->db_type();
handlerton *new_db_type= create_info->db_type;
DBUG_PRINT("info", ("old type: %s new type: %s",
ha_resolve_storage_engine_name(table->s->db_type()),
ha_resolve_storage_engine_name(create_info->db_type)));
if (ha_check_storage_engine_flag(table->s->db_type(), HTON_ALTER_NOT_SUPPORTED))
ha_resolve_storage_engine_name(old_db_type),
ha_resolve_storage_engine_name(new_db_type)));
if (ha_check_storage_engine_flag(old_db_type, HTON_ALTER_NOT_SUPPORTED))
{
DBUG_PRINT("info", ("doesn't support alter"));
my_error(ER_ILLEGAL_HA, MYF(0), hton_name(table->s->db_type())->str,
my_error(ER_ILLEGAL_HA, MYF(0), hton_name(old_db_type)->str,
alter_ctx.db.str, alter_ctx.table_name.str);
DBUG_RETURN(true);
}
if (ha_check_storage_engine_flag(create_info->db_type,
HTON_ALTER_NOT_SUPPORTED))
if (ha_check_storage_engine_flag(new_db_type, HTON_ALTER_NOT_SUPPORTED))
{
DBUG_PRINT("info", ("doesn't support alter"));
my_error(ER_ILLEGAL_HA, MYF(0), hton_name(create_info->db_type)->str,
my_error(ER_ILLEGAL_HA, MYF(0), hton_name(new_db_type)->str,
alter_ctx.new_db.str, alter_ctx.new_name.str);
DBUG_RETURN(true);
}
@ -9980,6 +9982,17 @@ do_continue:;
DBUG_RETURN(true);
}
}
/*
If the old table had partitions and we are doing ALTER TABLE ...
engine= <new_engine>, the new table must preserve the original
partitioning. This means that the new engine is still the
partitioning engine, not the engine specified in the parser.
This is discovered in prep_alter_part_table, which in such case
updates create_info->db_type.
It's therefore important that the assignment below is done
after prep_alter_part_table.
*/
new_db_type= create_info->db_type;
#endif
if (mysql_prepare_alter_table(thd, table, create_info, alter_info,
@ -10060,7 +10073,7 @@ do_continue:;
Alter_info::ALTER_TABLE_ALGORITHM_INPLACE)
|| is_inplace_alter_impossible(table, create_info, alter_info)
|| IF_PARTITIONING((partition_changed &&
!(table->s->db_type()->partition_flags() & HA_USE_AUTO_PARTITION)), 0))
!(old_db_type->partition_flags() & HA_USE_AUTO_PARTITION)), 0))
{
if (alter_info->algorithm(thd) ==
Alter_info::ALTER_TABLE_ALGORITHM_INPLACE)
@ -10078,22 +10091,10 @@ do_continue:;
request table rebuild. Set ALTER_RECREATE flag to force table
rebuild.
*/
if (create_info->db_type == table->s->db_type() &&
if (new_db_type == old_db_type &&
create_info->used_fields & HA_CREATE_USED_ENGINE)
alter_info->flags|= ALTER_RECREATE;
/*
If the old table had partitions and we are doing ALTER TABLE ...
engine= <new_engine>, the new table must preserve the original
partitioning. This means that the new engine is still the
partitioning engine, not the engine specified in the parser.
This is discovered in prep_alter_part_table, which in such case
updates create_info->db_type.
It's therefore important that the assignment below is done
after prep_alter_part_table.
*/
handlerton *new_db_type= create_info->db_type;
handlerton *old_db_type= table->s->db_type();
TABLE *new_table= NULL;
ha_rows copied=0,deleted=0;