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/* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
/*
* View: schema_object_overview
*
* Shows an overview of the types of objects within each schema
*
* Note: On instances with a large number of objects, this could take
* some time to execute, and is not recommended.
*
* mysql> select * from schema_object_overview;
* +---------------------------------+---------------+-------+
* | db | object_type | count |
* +---------------------------------+---------------+-------+
* | information_schema | SYSTEM VIEW | 59 |
* | mem30_test__instruments | BASE TABLE | 1 |
* | mem30_test__instruments | INDEX (BTREE) | 2 |
* | mem30_test__test | BASE TABLE | 9 |
* | mem30_test__test | INDEX (BTREE) | 19 |
* ...
* | sys | FUNCTION | 8 |
* | sys | PROCEDURE | 16 |
* | sys | VIEW | 59 |
* +---------------------------------+---------------+-------+
*
*/
CREATE OR REPLACE
ALGORITHM = TEMPTABLE
DEFINER = 'root'@'localhost'
SQL SECURITY INVOKER
VIEW schema_object_overview (
db,
object_type,
count
) AS
SELECT ROUTINE_SCHEMA AS db, ROUTINE_TYPE AS object_type, COUNT(*) AS count FROM INFORMATION_SCHEMA.ROUTINES GROUP BY ROUTINE_SCHEMA, ROUTINE_TYPE
UNION
SELECT TABLE_SCHEMA, TABLE_TYPE, COUNT(*) FROM INFORMATION_SCHEMA.TABLES GROUP BY TABLE_SCHEMA, TABLE_TYPE
UNION
SELECT TABLE_SCHEMA, CONCAT('INDEX (', INDEX_TYPE, ')'), COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS GROUP BY TABLE_SCHEMA, INDEX_TYPE
UNION
SELECT TRIGGER_SCHEMA, 'TRIGGER', COUNT(*) FROM INFORMATION_SCHEMA.TRIGGERS GROUP BY TRIGGER_SCHEMA
UNION
SELECT EVENT_SCHEMA, 'EVENT', COUNT(*) FROM INFORMATION_SCHEMA.EVENTS GROUP BY EVENT_SCHEMA
ORDER BY DB, OBJECT_TYPE;
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