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-- Copyright (c) 2014, 2025, Oracle and/or its affiliates.
--
-- 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 = 'mysql.sys'@'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;
|
