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#
# Some functional checks for the content of the performance_schema table
# socket_summary_by_event_name.
#
# Created: cpowers 2011-08-18
#==============================================================================
#
# Performance schema table socket_summary_by_event_name holds statistics
# aggreagated by event name. Table socket_summary_by_instances maintains statistics
# per socket instance.
#
# This test verifies that the statistics in socket_summary_by_event_name
# are consistent with those in socket_summary_by_instance.
#
#==============================================================================
# Embedded server does not support the performance_schema.
--source include/not_embedded.inc

# Not much can happen without the performance schema
--source include/have_perfschema.inc

# Wait for any clients from previous tests to disconnect
--source ../include/wait_for_pfs_thread_count.inc

# The values in the performance_schema tables depend on how much communication
# happens per SQL statement within our MTR tests. And there is a significant
# difference between standard statement execution and execution via
# prepared statement.
--source include/no_protocol.inc

--source include/turn_off_only_full_group_by.inc

# Set this to enable debugging output
let $my_socket_debug= 0;

--echo #==============================================================================
--echo # Establish the level of IPV6 support
--echo #==============================================================================
--source ../include/socket_ipv6.inc

--echo #==============================================================================
--echo # Get hostname, port number
--echo #==============================================================================
SELECT @@hostname INTO @MY_HOSTNAME;
SELECT @@port INTO @MY_MASTER_PORT;

if ($my_socket_debug)
{
  SELECT @MY_HOSTNAME AS 'Hostname';
  SELECT @MY_MASTER_PORT AS 'Master Port';
  --echo MASTER_MYPORT=$MASTER_MYPORT
}
#==============================================================================
# Utility queries
#==============================================================================
let $count_client_connections=
  SELECT COUNT(*) INTO @my_client_connections
  FROM performance_schema.socket_instances
  WHERE EVENT_NAME LIKE "%client_connection%";

let $get_thread_id=
  SELECT THREAD_ID INTO @my_thread_id
  FROM performance_schema.threads
  WHERE PROCESSLIST_ID = CONNECTION_ID();

let $get_object_instance_begin=
  SELECT OBJECT_INSTANCE_BEGIN INTO @my_object_instance_begin
  FROM performance_schema.socket_instances
  WHERE THREAD_ID = @my_thread_id;

let $get_port=
  SELECT PORT INTO @my_port
  FROM performance_schema.socket_instances
  WHERE THREAD_ID = @my_thread_id;

let $get_write_count=
SELECT sum(SUM_NUMBER_OF_BYTES_WRITE) INTO @my_write_count
  FROM performance_schema.socket_summary_by_instance;
#==============================================================================
# Testcase queries
#==============================================================================
let $insert_totals=
  INSERT INTO mysqltest.my_socket_summary SELECT EVENT_NAME,
    SUM(t1.COUNT_STAR),  SUM(t1.SUM_TIMER_WAIT),  SUM(t1.MIN_TIMER_WAIT),  SUM(t1.AVG_TIMER_WAIT),  SUM(t1.MAX_TIMER_WAIT),
    SUM(t1.COUNT_READ),  SUM(t1.SUM_TIMER_READ),  SUM(t1.MIN_TIMER_READ),  SUM(t1.AVG_TIMER_READ),  SUM(t1.MAX_TIMER_READ),  SUM(t1.SUM_NUMBER_OF_BYTES_READ),
    SUM(t1.COUNT_WRITE), SUM(t1.SUM_TIMER_WRITE), SUM(t1.MIN_TIMER_WRITE), SUM(t1.AVG_TIMER_WRITE), SUM(t1.MAX_TIMER_WRITE), SUM(t1.SUM_NUMBER_OF_BYTES_WRITE),
    SUM(t1.COUNT_MISC),  SUM(t1.SUM_TIMER_MISC),  SUM(t1.MIN_TIMER_MISC),  SUM(t1.AVG_TIMER_MISC),  SUM(t1.MAX_TIMER_MISC), NULL
  FROM performance_schema.socket_summary_by_instance AS t1
  WHERE EVENT_NAME LIKE '%client_connection%' GROUP BY EVENT_NAME;

let $compare_tables_and_print=
SELECT EVENT_NAME,
    (SUM(t_inst.COUNT_STAR)     = t_name.COUNT_STAR)     AS CNT_STAR,
    (SUM(t_inst.SUM_TIMER_WAIT) = t_name.SUM_TIMER_WAIT) AS SUM_WAIT,
    (MAX(t_inst.MAX_TIMER_WAIT) = t_name.MAX_TIMER_WAIT) AS MAX_WAIT,
#   (MIN(t_inst.MIN_TIMER_WAIT) = t_name.MIN_TIMER_WAIT) AS MIN_WAIT,
    (SUM(t_inst.COUNT_READ)     = t_name.COUNT_READ)     AS CNT_READ,
    (SUM(t_inst.SUM_TIMER_READ) = t_name.SUM_TIMER_READ) AS SUM_READ,
    (MAX(t_inst.MAX_TIMER_READ) = t_name.MAX_TIMER_READ) AS MAX_READ,
#   (MIN(t_inst.MIN_TIMER_READ) = t_name.MIN_TIMER_READ) AS MIN_READ,
    (SUM(t_inst.SUM_NUMBER_OF_BYTES_READ) = t_name.SUM_NUMBER_OF_BYTES_READ) AS BYTES_READ,
    (SUM(t_inst.COUNT_WRITE)     = t_name.COUNT_WRITE)     AS CNT_WRITE,
    (SUM(t_inst.SUM_TIMER_WRITE) = t_name.SUM_TIMER_WRITE) AS SUM_WRITE,
    (MAX(t_inst.MAX_TIMER_WRITE) = t_name.MAX_TIMER_WRITE) AS MAX_WRITE,
#   (MIN(t_inst.MIN_TIMER_WRITE) = t_name.MIN_TIMER_WRITE) AS MIN_WRITE,
    (SUM(t_inst.SUM_NUMBER_OF_BYTES_WRITE) = t_name.SUM_NUMBER_OF_BYTES_WRITE) AS BYTES_WRITE,
    (SUM(t_inst.COUNT_MISC)     = t_name.COUNT_MISC)     AS CNT_MISC,
    (SUM(t_inst.SUM_TIMER_MISC) = t_name.SUM_TIMER_MISC) AS SUM_MISC
FROM performance_schema.socket_summary_by_instance t_inst
JOIN performance_schema.socket_summary_by_event_name t_name
USING (EVENT_NAME)
WHERE t_inst.event_name LIKE '%client%'
  AND t_inst.object_instance_begin <> @default_object_instance_begin;

let $compare_tables_and_verify=
SELECT (
    (SUM(t_inst.COUNT_STAR)     = t_name.COUNT_STAR)       AND
    (SUM(t_inst.SUM_TIMER_WAIT) = t_name.SUM_TIMER_WAIT)   AND
    (MAX(t_inst.MAX_TIMER_WAIT) = t_name.MAX_TIMER_WAIT)   AND
#   (MIN(t_inst.MIN_TIMER_WAIT) = t_name.MIN_TIMER_WAIT)   AND
    (SUM(t_inst.COUNT_READ)     = t_name.COUNT_READ)       AND
    (SUM(t_inst.SUM_TIMER_READ) = t_name.SUM_TIMER_READ)   AND
    (MAX(t_inst.MAX_TIMER_READ) = t_name.MAX_TIMER_READ)   AND
#   (MIN(t_inst.MIN_TIMER_READ) = t_name.MIN_TIMER_READ)   AND
    (SUM(t_inst.SUM_NUMBER_OF_BYTES_READ) = t_name.SUM_NUMBER_OF_BYTES_READ) AND
    (SUM(t_inst.COUNT_WRITE)     = t_name.COUNT_WRITE)     AND
    (SUM(t_inst.SUM_TIMER_WRITE) = t_name.SUM_TIMER_WRITE) AND
    (MAX(t_inst.MAX_TIMER_WRITE) = t_name.MAX_TIMER_WRITE) AND
#   (MIN(t_inst.MIN_TIMER_WRITE) = t_name.MIN_TIMER_WRITE) AND
    (SUM(t_inst.SUM_NUMBER_OF_BYTES_WRITE) = t_name.SUM_NUMBER_OF_BYTES_WRITE) AND
    (SUM(t_inst.COUNT_MISC)     = t_name.COUNT_MISC)       AND
    (SUM(t_inst.SUM_TIMER_MISC) = t_name.SUM_TIMER_MISC) ) = 1 INTO @tables_match
FROM performance_schema.socket_summary_by_instance t_inst
JOIN performance_schema.socket_summary_by_event_name t_name
USING (EVENT_NAME)
WHERE t_inst.event_name LIKE '%client%'
  AND t_inst.object_instance_begin <> @default_object_instance_begin;

--echo #==============================================================================
--echo # 1.0 TEST INITIALIZATION
--echo #==============================================================================
--echo
--echo # 1.1 Disable instrumentation of the default (this) connection
--echo
--connection default
UPDATE performance_schema.threads
  SET INSTRUMENTED='NO' WHERE PROCESSLIST_ID = CONNECTION_ID();

--echo
--echo # 1.2 Get the default THREAD_ID;
--echo
eval $get_thread_id;
let $default_thread_id= `SELECT @my_thread_id`;

--echo
--echo # 1.3 Get the default OBJECT_INSTANCE_BEGIN
--echo
eval $get_object_instance_begin;
let $default_object_instance_begin= `SELECT @my_object_instance_begin`;

--disable_query_log
SELECT @my_object_instance_begin INTO @default_object_instance_begin;
--enable_query_log

if ($my_socket_debug)
{
  --echo # Default object instance begin = $default_object_instance_begin
  --echo # Default thread id = $default_thread_id
}

--echo
--echo # 1.4 Create a test database
--echo
CREATE SCHEMA mysqltest;

--echo
--echo # 1.5 Create a table to store summary values from socket_summary_by_instance
--echo        and socket_summary_by_event_name
--echo
CREATE TABLE mysqltest.my_socket_summary AS
  SELECT * FROM performance_schema.socket_summary_by_instance
  WHERE 1 = 0;

--echo
--echo # 1.6 Drop object_instance_begin from my_socket_summary
--echo
ALTER TABLE mysqltest.my_socket_summary
  DROP COLUMN OBJECT_INSTANCE_BEGIN;

--echo
--echo # 1.7 Add an auto_inc column to my_socket_summary
--echo
ALTER TABLE mysqltest.my_socket_summary
  ADD COLUMN (n INT AUTO_INCREMENT, PRIMARY KEY(n));

--echo
--echo # 1.8 Create test tables
--echo
CREATE TABLE mysqltest.t1 (n INT AUTO_INCREMENT, s1 VARCHAR(1024), PRIMARY KEY(n));
CREATE TABLE mysqltest.t2 (n INT AUTO_INCREMENT, s1 VARCHAR(1024), PRIMARY KEY(n));

--echo #==============================================================================
--echo # 2.0 ESTABLISH CLIENT CONNECTIONS
--echo #==============================================================================
--echo
--echo # 2.1 Connection 1 (tcp/ip, 127.0.0.1 or ::1)
--echo
--disable_query_log
--connect (con1,$my_localhost,root,,,,$MASTER_MYPORT)
--enable_query_log

--echo
--echo # 2.2 Connection 2 (localhost or unix domain socket)
--echo
--disable_query_log
--connect (con2,localhost,root,,,,)
--enable_query_log

--echo #==============================================================================
--echo # 3.0 RUN THE TESTS
--echo #==============================================================================
--echo
--echo # 3.1 Clear performance schema tables
--echo
TRUNCATE performance_schema.socket_summary_by_instance;
TRUNCATE performance_schema.socket_summary_by_event_name;

--echo
--echo # 3.2 Get the 'before' sum of bytes written from socket_summary_by_instance
--echo       for later comparison to the 'after' byte count as a simple confirmation
--echo       that the table was updated.
--echo
--connection default
eval $get_write_count;
let $my_count_before= `SELECT @my_write_count`;

--echo
--echo # 3.3 From connection 1, insert one a 1K row of data into t1
--echo
--connection con1
USE mysqltest;
INSERT INTO t1 (s1) VALUES (REPEAT('a', 1024));
INSERT INTO t1 (s1) SELECT s1 FROM t1;

--echo
--echo # 3.4 From connection 2, insert one a 1K row of data into t2
--echo
--connection con2
USE mysqltest;
INSERT INTO t2 (s1) VALUES (REPEAT('a', 1024));
INSERT INTO t2 (s1) SELECT s1 FROM t2;

--echo
--echo # 3.5 Get the 'after' sum of bytes written from socket_summary_by_instance
--echo
--connection default
eval $get_write_count;
let $my_count_after= `SELECT @my_write_count`;

--echo
--echo # 3.6 Verify that SUM_NUMBER_OF_BYTES_WRITE increased
--echo

if ($my_count_before >= $my_count_after)
{
  --echo
  --echo # ERROR: Write count did not increaase
  --echo #        Before = $my_count_before
  --echo #        After  = $my_count_after
  --echo
  SELECT * FROM performance_schema.socket_summary_by_instance ORDER BY EVENT_NAME;
  --echo
  --echo # Abort
  exit;
}

--echo
--echo # socket_summary_by_instance was updated
--echo

--echo #==============================================================================
--echo # 4.0 VERIFY RESULTS
--echo #==============================================================================
--echo
--echo # 4.1 Verify that the totals in socket_summary_by_event_name are
--echo       consistent with totals in socket_summary_by_instance
--echo

--disable_query_log
eval $compare_tables_and_verify;

if (`SELECT @tables_match = 0`)
{
  --echo
  --echo # ERROR: Socket summary tables do not match
  --echo # Column comparison results:
  --echo
   eval $compare_tables_and_print;
  --enable_query_log
  --echo
  SELECT * FROM performance_schema.socket_summary_by_instance ORDER BY EVENT_NAME;
  --echo
  SELECT * FROM performance_schema.socket_summary_by_event_name ORDER BY EVENT_NAME;
  --echo
  --echo # Abort
  exit;
}
--enable_query_log

--echo #==============================================================================
--echo # 5.0 Clean up
--echo #==============================================================================

--echo
--echo # 5.1 Disconnect con1
--echo
--connection con1
--disconnect con1
--source include/wait_until_disconnected.inc

--echo
--echo # 5.2 Disconnect con2
--echo
--connection con2
--disconnect con2
--source include/wait_until_disconnected.inc

--echo
--echo # 5.3 Drop mysqltest
--echo
--connection default
DROP DATABASE mysqltest;

--source include/restore_sql_mode_after_turn_off_only_full_group_by.inc

exit;