Create host_summary_by_statement_type.sql

Author: aadant

views/p_s/host_summary_by_statement_type.sql

@@ -0,0 +1,114 @@
+/* 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: host_summary_by_statement_type
+ *
+ * Summarizes the types of statements executed by each host.
+ *
+ * mysql> select * from host_summary_by_statement_type;
+ * +------+----------------------+--------+---------------+-------------+--------------+-----------+---------------+---------------+------------+
+ * | host | statement            | total  | total_latency | max_latency | lock_latency | rows_sent | rows_examined | rows_affected | full_scans |
+ * +------+----------------------+--------+---------------+-------------+--------------+-----------+---------------+---------------+------------+
+ * | hal  | create_view          |   2063 | 00:05:04.20   | 463.58 ms   | 1.42 s       |         0 |             0 |             0 |          0 |
+ * | hal  | select               |    174 | 40.87 s       | 28.83 s     | 858.13 ms    |      5212 |        157022 |             0 |         82 |
+ * | hal  | stmt                 |   6645 | 15.31 s       | 491.78 ms   | 0 ps         |         0 |             0 |          7951 |          0 |
+ * | hal  | call_procedure       |     17 | 4.78 s        | 1.02 s      | 37.94 ms     |         0 |             0 |            19 |          0 |
+ * | hal  | create_table         |     19 | 3.04 s        | 431.71 ms   | 0 ps         |         0 |             0 |             0 |          0 |
+ * ...
+ * +------+----------------------+--------+---------------+-------------+--------------+-----------+---------------+---------------+------------+
+ * 
+ */
+
+CREATE OR REPLACE
+  ALGORITHM = MERGE
+  DEFINER = 'root'@'localhost'
+  SQL SECURITY INVOKER 
+VIEW host_summary_by_statement_type (
+  host,
+  statement,
+  total,
+  total_latency,
+  max_latency,
+  lock_latency,
+  rows_sent,
+  rows_examined,
+  rows_affected,
+  full_scans
+) AS
+SELECT host,
+       SUBSTRING_INDEX(event_name, '/', -1) AS statement,
+       count_star AS total,
+       sys.format_time(sum_timer_wait) AS total_latency,
+       sys.format_time(max_timer_wait) AS max_latency,
+       sys.format_time(sum_lock_time) AS lock_latency,
+       sum_rows_sent AS rows_sent,
+       sum_rows_examined AS rows_examined,
+       sum_rows_affected AS rows_affected,
+       sum_no_index_used + sum_no_good_index_used AS full_scans
+  FROM performance_schema.events_statements_summary_by_host_by_event_name
+ WHERE host IS NOT NULL
+   AND sum_timer_wait != 0
+ ORDER BY host, sum_timer_wait DESC;
+
+/*
+ * View: x$host_summary_by_statement_type
+ *
+ * Summarizes the types of statements executed by each host.
+ *
+ * mysql> select * from x$host_summary_by_statement_type;
+ * +------+----------------------+--------+-----------------+----------------+----------------+-----------+---------------+---------------+------------+
+ * | host | statement            | total  | total_latency   | max_latency    | lock_latency   | rows_sent | rows_examined | rows_affected | full_scans |
+ * +------+----------------------+--------+-----------------+----------------+----------------+-----------+---------------+---------------+------------+
+ * | hal  | create_view          |   2110 | 312717366332000 |   463578029000 |  1432355000000 |         0 |             0 |             0 |          0 |
+ * | hal  | select               |    177 |  41115690428000 | 28827579292000 |   858709000000 |      5254 |        157437 |             0 |         83 |
+ * | hal  | stmt                 |   6645 |  15305389969000 |   491780297000 |              0 |         0 |             0 |          7951 |          0 |
+ * | hal  | call_procedure       |     17 |   4783806053000 |  1016083397000 |    37936000000 |         0 |             0 |            19 |          0 |
+ * | hal  | create_table         |     19 |   3035120946000 |   431706815000 |              0 |         0 |             0 |             0 |          0 |
+ * ...
+ * +------+----------------------+--------+-----------------+----------------+----------------+-----------+---------------+---------------+------------+
+ * 
+ */
+
+CREATE OR REPLACE
+  ALGORITHM = MERGE
+  DEFINER = 'root'@'localhost'
+  SQL SECURITY INVOKER 
+VIEW x$host_summary_by_statement_type (
+  host,
+  statement,
+  total,
+  total_latency,
+  max_latency,
+  lock_latency,
+  rows_sent,
+  rows_examined,
+  rows_affected,
+  full_scans
+) AS
+SELECT host,
+       SUBSTRING_INDEX(event_name, '/', -1) AS statement,
+       count_star AS total,
+       sum_timer_wait AS total_latency,
+       max_timer_wait AS max_latency,
+       sum_lock_time AS lock_latency,
+       sum_rows_sent AS rows_sent,
+       sum_rows_examined AS rows_examined,
+       sum_rows_affected AS rows_affected,
+       sum_no_index_used + sum_no_good_index_used AS full_scans
+  FROM performance_schema.events_statements_summary_by_host_by_event_name
+ WHERE host IS NOT NULL
+   AND sum_timer_wait != 0
+ ORDER BY host, sum_timer_wait DESC;