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MDEV-11084 Select statement with partition selection against MyISAM table opens all partitions.

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Now we don't open partitions if it was explicitly cpecified.
        ha_partition::m_opened_partition bitmap added to track
        partitions that were actually opened.
This commit is contained in:
Alexey Botchkov
2018-01-29 11:01:14 +04:00
parent 041a32abcd
commit b4a2baffa8
16 changed files with 252 additions and 61 deletions
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4
sql/sql_partition_admin.cc
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@ -802,8 +802,8 @@ bool Sql_cmd_alter_table_truncate_partition::execute(THD *thd)
DBUG_RETURN(true);
partition_names_list.push_back(str_partition_name, thd->mem_root);
}
first_table->partition_names= &partition_names_list;
if (first_table->table->part_info->set_partition_bitmaps(first_table))
if (first_table->table->
part_info->set_partition_bitmaps(&partition_names_list))
DBUG_RETURN(true);
if (lock_tables(thd, first_table, table_counter, 0))