# #======================================================================== # STEP 1 - SETUP #======================================================================== # ## Setup control thread # connection default; SET SESSION AUTOCOMMIT= 1; USE test; DROP DATABASE IF EXISTS db; # ## Create test database, test tables, one transactional and one non-transactional CREATE DATABASE db; CREATE TABLE db.t1 (s1 int, s2 varchar(64)) ENGINE=INNODB; CREATE TABLE db.nt1 (s1 int, s2 varchar(64)) ENGINE=MYISAM; # ## Setup connection 1 connect con1, localhost, root,,; USE db; SET SESSION AUTOCOMMIT = 1; SELECT thread_id INTO @my_thread_id FROM performance_schema.threads WHERE processlist_id = connection_id(); connection default; # ## Disable events from the control (default) connection UPDATE performance_schema.threads SET instrumented = 'NO' WHERE processlist_id = CONNECTION_ID(); SET @all_threads= 0; # ## Enable only transaction and statement instruments UPDATE performance_schema.setup_instruments SET enabled='NO', timed='NO'; UPDATE performance_schema.setup_instruments SET enabled='YES' WHERE name LIKE ('statement/%') OR name = 'transaction'; # ## Clear statement and transaction history CALL test.clear_history(); # #======================================================================== # STEP 2 - BASIC TRANSACTION #======================================================================== # # STEP 2.1 - IMPLICIT # connection con1; INSERT INTO t1 VALUES (210, "INSERT 210"); INSERT INTO t1 VALUES (211, "INSERT 211"); INSERT INTO t1 VALUES (212, "INSERT 212"); UPDATE t1 SET s1 = s1 + 1 WHERE s1 = 212; connection default; #======================================================================== # Verify #======================================================================== SELECT event_id into @base_tx_event_id from performance_schema.events_transactions_history_long where (THREAD_ID = @con1_thread_id) order by event_id limit 1; SELECT event_id into @base_stmt_event_id from performance_schema.events_statements_history_long where (THREAD_ID = @con1_thread_id) order by event_id limit 1; select if(@base_tx_event_id < @base_stmt_event_id, @base_tx_event_id - 1, @base_stmt_event_id - 1) into @base_event_id; # # EVENTS_TRANSACTIONS_CURRENT # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 11, ' ') 'EVENT_NAME ', RPAD(STATE, 11, ' ') 'STATE ', RPAD(ACCESS_MODE, 11, ' ') ACCESS_MODE, RPAD(ISOLATION_LEVEL, 16, ' ') 'ISOLATION_LEVEL ', RPAD(AUTOCOMMIT, 4, ' ') AUTO, LPAD(NESTING_EVENT_ID - @base_event_id, 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE FROM performance_schema.events_transactions_current WHERE ((THREAD_ID = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME STATE ACCESS_MODE ISOLATION_LEVEL AUTO R_NESTING_EVENT_ID NESTING_EVENT_TYPE thread_id 8 8 transaction COMMITTED READ WRITE REPEATABLE READ YES 7 STATEMENT # # EVENTS_TRANSACTIONS_HISTORY_LONG # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 11, ' ') 'EVENT_NAME ', RPAD(STATE, 11, ' ') 'STATE ', RPAD(ACCESS_MODE, 11, ' ') ACCESS_MODE, RPAD(ISOLATION_LEVEL, 16, ' ') 'ISOLATION_LEVEL ', RPAD(AUTOCOMMIT, 4, ' ') AUTO, LPAD(NESTING_EVENT_ID - @base_event_id, 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE FROM performance_schema.events_transactions_history_long WHERE ((THREAD_ID = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME STATE ACCESS_MODE ISOLATION_LEVEL AUTO R_NESTING_EVENT_ID NESTING_EVENT_TYPE thread_id 2 2 transaction COMMITTED READ WRITE REPEATABLE READ YES 1 STATEMENT thread_id 4 4 transaction COMMITTED READ WRITE REPEATABLE READ YES 3 STATEMENT thread_id 6 6 transaction COMMITTED READ WRITE REPEATABLE READ YES 5 STATEMENT thread_id 8 8 transaction COMMITTED READ WRITE REPEATABLE READ YES 7 STATEMENT # # EVENTS_STATEMENTS_HISTORY_LONG # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 30, ' ') 'EVENT_NAME ', RPAD(IFNULL(object_name, 'NULL'), 12, ' ') 'OBJECT_NAME ', LPAD(IFNULL(NESTING_EVENT_ID - @base_event_id, 'NULL'), 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE, LPAD(NESTING_EVENT_LEVEL, 5, ' ') LEVEL, SQL_TEXT FROM performance_schema.events_statements_history_long WHERE ((THREAD_ID = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME OBJECT_NAME R_NESTING_EVENT_ID NESTING_EVENT_TYPE LEVEL SQL_TEXT thread_id 1 2 statement/sql/insert NULL NULL NULL 0 INSERT INTO t1 VALUES (210, "INSERT 210") thread_id 3 4 statement/sql/insert NULL NULL NULL 0 INSERT INTO t1 VALUES (211, "INSERT 211") thread_id 5 6 statement/sql/insert NULL NULL NULL 0 INSERT INTO t1 VALUES (212, "INSERT 212") thread_id 7 8 statement/sql/update NULL NULL NULL 0 UPDATE t1 SET s1 = s1 + 1 WHERE s1 = 212 # ### Combined statement and transaction event history ordered by event id # #EVENTS_STATEMENTS_HISTORY_LONG + EVENTS_TRANSACTIONS_HISTORY_LONG # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 25, ' ') 'EVENT_NAME ', LPAD(NESTING_EVENT_ID - @base_event_id, 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE, '' AS SQL_TXT FROM performance_schema.events_transactions_history_long t WHERE (t.thread_id = @con1_thread_id) UNION SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 25, ' ') 'EVENT_NAME ', LPAD(IFNULL(NESTING_EVENT_ID - @base_event_id, 'NULL'), 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE, SQL_TEXT FROM performance_schema.events_statements_history_long s WHERE ((s.thread_id = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, r_event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME R_NESTING_EVENT_ID NESTING_EVENT_TYPE SQL_TXT thread_id 1 2 statement/sql/insert NULL NULL INSERT INTO t1 VALUES (210, "INSERT 210") thread_id 2 2 transaction 1 STATEMENT thread_id 3 4 statement/sql/insert NULL NULL INSERT INTO t1 VALUES (211, "INSERT 211") thread_id 4 4 transaction 3 STATEMENT thread_id 5 6 statement/sql/insert NULL NULL INSERT INTO t1 VALUES (212, "INSERT 212") thread_id 6 6 transaction 5 STATEMENT thread_id 7 8 statement/sql/update NULL NULL UPDATE t1 SET s1 = s1 + 1 WHERE s1 = 212 thread_id 8 8 transaction 7 STATEMENT # ### Clear statement and transaction history # CALL test.clear_history(); CALL test.clear_history(); ## Reset db.t1 DELETE FROM db.t1; # # # STEP 2.2 - EXPLICIT # connection con1; START TRANSACTION; INSERT INTO t1 VALUES (220, "INSERT 220"), (221, "INSERT 221"); UPDATE t1 SET s2 = "UPDATE 221" WHERE s1 = 221; COMMIT; connection default; #======================================================================== # Verify #======================================================================== SELECT event_id into @base_tx_event_id from performance_schema.events_transactions_history_long where (THREAD_ID = @con1_thread_id) order by event_id limit 1; SELECT event_id into @base_stmt_event_id from performance_schema.events_statements_history_long where (THREAD_ID = @con1_thread_id) order by event_id limit 1; select if(@base_tx_event_id < @base_stmt_event_id, @base_tx_event_id - 1, @base_stmt_event_id - 1) into @base_event_id; # # EVENTS_TRANSACTIONS_CURRENT # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 11, ' ') 'EVENT_NAME ', RPAD(STATE, 11, ' ') 'STATE ', RPAD(ACCESS_MODE, 11, ' ') ACCESS_MODE, RPAD(ISOLATION_LEVEL, 16, ' ') 'ISOLATION_LEVEL ', RPAD(AUTOCOMMIT, 4, ' ') AUTO, LPAD(NESTING_EVENT_ID - @base_event_id, 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE FROM performance_schema.events_transactions_current WHERE ((THREAD_ID = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME STATE ACCESS_MODE ISOLATION_LEVEL AUTO R_NESTING_EVENT_ID NESTING_EVENT_TYPE thread_id 2 5 transaction COMMITTED READ WRITE REPEATABLE READ NO 1 STATEMENT # # EVENTS_TRANSACTIONS_HISTORY_LONG # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 11, ' ') 'EVENT_NAME ', RPAD(STATE, 11, ' ') 'STATE ', RPAD(ACCESS_MODE, 11, ' ') ACCESS_MODE, RPAD(ISOLATION_LEVEL, 16, ' ') 'ISOLATION_LEVEL ', RPAD(AUTOCOMMIT, 4, ' ') AUTO, LPAD(NESTING_EVENT_ID - @base_event_id, 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE FROM performance_schema.events_transactions_history_long WHERE ((THREAD_ID = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME STATE ACCESS_MODE ISOLATION_LEVEL AUTO R_NESTING_EVENT_ID NESTING_EVENT_TYPE thread_id 2 5 transaction COMMITTED READ WRITE REPEATABLE READ NO 1 STATEMENT # # EVENTS_STATEMENTS_HISTORY_LONG # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 30, ' ') 'EVENT_NAME ', RPAD(IFNULL(object_name, 'NULL'), 12, ' ') 'OBJECT_NAME ', LPAD(IFNULL(NESTING_EVENT_ID - @base_event_id, 'NULL'), 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE, LPAD(NESTING_EVENT_LEVEL, 5, ' ') LEVEL, SQL_TEXT FROM performance_schema.events_statements_history_long WHERE ((THREAD_ID = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME OBJECT_NAME R_NESTING_EVENT_ID NESTING_EVENT_TYPE LEVEL SQL_TEXT thread_id 1 2 statement/sql/begin NULL NULL NULL 0 START TRANSACTION thread_id 3 3 statement/sql/insert NULL 2 TRANSACTION 0 INSERT INTO t1 VALUES (220, "INSERT 220"), (221, "INSERT 221") thread_id 4 4 statement/sql/update NULL 2 TRANSACTION 0 UPDATE t1 SET s2 = "UPDATE 221" WHERE s1 = 221 thread_id 5 5 statement/sql/commit NULL 2 TRANSACTION 0 COMMIT # ### Combined statement and transaction event history ordered by event id # #EVENTS_STATEMENTS_HISTORY_LONG + EVENTS_TRANSACTIONS_HISTORY_LONG # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 25, ' ') 'EVENT_NAME ', LPAD(NESTING_EVENT_ID - @base_event_id, 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE, '' AS SQL_TXT FROM performance_schema.events_transactions_history_long t WHERE (t.thread_id = @con1_thread_id) UNION SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 25, ' ') 'EVENT_NAME ', LPAD(IFNULL(NESTING_EVENT_ID - @base_event_id, 'NULL'), 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE, SQL_TEXT FROM performance_schema.events_statements_history_long s WHERE ((s.thread_id = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, r_event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME R_NESTING_EVENT_ID NESTING_EVENT_TYPE SQL_TXT thread_id 1 2 statement/sql/begin NULL NULL START TRANSACTION thread_id 2 5 transaction 1 STATEMENT thread_id 3 3 statement/sql/insert 2 TRANSACTION INSERT INTO t1 VALUES (220, "INSERT 220"), (221, "INSERT 221") thread_id 4 4 statement/sql/update 2 TRANSACTION UPDATE t1 SET s2 = "UPDATE 221" WHERE s1 = 221 thread_id 5 5 statement/sql/commit 2 TRANSACTION COMMIT # ### Clear statement and transaction history # CALL test.clear_history(); CALL test.clear_history(); ## Reset db.t1 DELETE FROM db.t1; # #======================================================================== # STEP 3 - TRANSACTIONS AND STORED PROCEDURES #======================================================================== # # STEP 3.1 - STORED PROCEDURE STARTED WITHIN TRANSACTION # connection con1; CREATE PROCEDURE tp_update() UPDATE t1 SET s1 = s1 + 1; # START TRANSACTION; INSERT INTO t1 VALUES (310, "INSERT 310"); INSERT INTO t1 VALUES (311, "INSERT 311"); INSERT INTO t1 VALUES (312, "INSERT 312"); INSERT INTO t1 VALUES (313, "INSERT 313"); CALL tp_update(); COMMIT; connection default; #======================================================================== # Verify #======================================================================== SELECT event_id into @base_tx_event_id from performance_schema.events_transactions_history_long where (THREAD_ID = @con1_thread_id) order by event_id limit 1; SELECT event_id into @base_stmt_event_id from performance_schema.events_statements_history_long where (THREAD_ID = @con1_thread_id) order by event_id limit 1; select if(@base_tx_event_id < @base_stmt_event_id, @base_tx_event_id - 1, @base_stmt_event_id - 1) into @base_event_id; # # EVENTS_TRANSACTIONS_CURRENT # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 11, ' ') 'EVENT_NAME ', RPAD(STATE, 11, ' ') 'STATE ', RPAD(ACCESS_MODE, 11, ' ') ACCESS_MODE, RPAD(ISOLATION_LEVEL, 16, ' ') 'ISOLATION_LEVEL ', RPAD(AUTOCOMMIT, 4, ' ') AUTO, LPAD(NESTING_EVENT_ID - @base_event_id, 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE FROM performance_schema.events_transactions_current WHERE ((THREAD_ID = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME STATE ACCESS_MODE ISOLATION_LEVEL AUTO R_NESTING_EVENT_ID NESTING_EVENT_TYPE thread_id 10 12 transaction COMMITTED READ WRITE REPEATABLE READ NO 9 STATEMENT # # EVENTS_TRANSACTIONS_HISTORY_LONG # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 11, ' ') 'EVENT_NAME ', RPAD(STATE, 11, ' ') 'STATE ', RPAD(ACCESS_MODE, 11, ' ') ACCESS_MODE, RPAD(ISOLATION_LEVEL, 16, ' ') 'ISOLATION_LEVEL ', RPAD(AUTOCOMMIT, 4, ' ') AUTO, LPAD(NESTING_EVENT_ID - @base_event_id, 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE FROM performance_schema.events_transactions_history_long WHERE ((THREAD_ID = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME STATE ACCESS_MODE ISOLATION_LEVEL AUTO R_NESTING_EVENT_ID NESTING_EVENT_TYPE thread_id 2 2 transaction COMMITTED READ WRITE REPEATABLE READ YES 1 STATEMENT thread_id 10 10 transaction COMMITTED READ WRITE REPEATABLE READ NO 9 STATEMENT thread_id 10 12 transaction COMMITTED READ WRITE REPEATABLE READ NO 9 STATEMENT # # EVENTS_STATEMENTS_HISTORY_LONG # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 30, ' ') 'EVENT_NAME ', RPAD(IFNULL(object_name, 'NULL'), 12, ' ') 'OBJECT_NAME ', LPAD(IFNULL(NESTING_EVENT_ID - @base_event_id, 'NULL'), 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE, LPAD(NESTING_EVENT_LEVEL, 5, ' ') LEVEL, SQL_TEXT FROM performance_schema.events_statements_history_long WHERE ((THREAD_ID = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME OBJECT_NAME R_NESTING_EVENT_ID NESTING_EVENT_TYPE LEVEL SQL_TEXT thread_id 1 2 statement/sql/create_procedure NULL NULL NULL 0 CREATE PROCEDURE tp_update() UPDATE t1 SET s1 = s1 + 1 thread_id 3 4 statement/sql/begin NULL NULL NULL 0 START TRANSACTION thread_id 5 5 statement/sql/insert NULL 4 TRANSACTION 0 INSERT INTO t1 VALUES (310, "INSERT 310") thread_id 6 6 statement/sql/insert NULL 4 TRANSACTION 0 INSERT INTO t1 VALUES (311, "INSERT 311") thread_id 7 7 statement/sql/insert NULL 4 TRANSACTION 0 INSERT INTO t1 VALUES (312, "INSERT 312") thread_id 8 8 statement/sql/insert NULL 4 TRANSACTION 0 INSERT INTO t1 VALUES (313, "INSERT 313") thread_id 9 11 statement/sql/call_procedure NULL 4 TRANSACTION 0 CALL tp_update() thread_id 11 11 statement/sp/stmt tp_update 9 STATEMENT 1 UPDATE t1 SET s1 = s1 + 1 thread_id 12 12 statement/sql/commit NULL NULL NULL 0 COMMIT # ### Combined statement and transaction event history ordered by event id # #EVENTS_STATEMENTS_HISTORY_LONG + EVENTS_TRANSACTIONS_HISTORY_LONG # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 25, ' ') 'EVENT_NAME ', LPAD(NESTING_EVENT_ID - @base_event_id, 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE, '' AS SQL_TXT FROM performance_schema.events_transactions_history_long t WHERE (t.thread_id = @con1_thread_id) UNION SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 25, ' ') 'EVENT_NAME ', LPAD(IFNULL(NESTING_EVENT_ID - @base_event_id, 'NULL'), 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE, SQL_TEXT FROM performance_schema.events_statements_history_long s WHERE ((s.thread_id = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, r_event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME R_NESTING_EVENT_ID NESTING_EVENT_TYPE SQL_TXT thread_id 1 2 statement/sql/create_proc NULL NULL CREATE PROCEDURE tp_update() UPDATE t1 SET s1 = s1 + 1 thread_id 2 2 transaction 1 STATEMENT thread_id 3 4 statement/sql/begin NULL NULL START TRANSACTION thread_id 5 5 statement/sql/insert 4 TRANSACTION INSERT INTO t1 VALUES (310, "INSERT 310") thread_id 6 6 statement/sql/insert 4 TRANSACTION INSERT INTO t1 VALUES (311, "INSERT 311") thread_id 7 7 statement/sql/insert 4 TRANSACTION INSERT INTO t1 VALUES (312, "INSERT 312") thread_id 8 8 statement/sql/insert 4 TRANSACTION INSERT INTO t1 VALUES (313, "INSERT 313") thread_id 9 11 statement/sql/call_proced 4 TRANSACTION CALL tp_update() thread_id 10 10 transaction 9 STATEMENT thread_id 10 12 transaction 9 STATEMENT thread_id 11 11 statement/sp/stmt 9 STATEMENT UPDATE t1 SET s1 = s1 + 1 thread_id 12 12 statement/sql/commit NULL NULL COMMIT # ### Clear statement and transaction history # CALL test.clear_history(); CALL test.clear_history(); ## Reset db.t1 DELETE FROM db.t1; # # # STEP 3.2 - TRANSACTION STARTED WITHIN STORED PROCEDURE # connection con1; CREATE PROCEDURE tp_start() START TRANSACTION; # CALL tp_start(); INSERT INTO t1 VALUES (320, "INSERT 320"),(321, "INSERT 321"); INSERT INTO t1 VALUES (322, "INSERT 322"),(323, "INSERT 323"); UPDATE t1 SET s1 = s1 + 1 WHERE s1 > 320; # SELECT * FROM t1 ORDER BY s1; s1 s2 320 INSERT 320 322 INSERT 321 323 INSERT 322 324 INSERT 323 COMMIT; connection default; #======================================================================== # Verify #======================================================================== SELECT event_id into @base_tx_event_id from performance_schema.events_transactions_history_long where (THREAD_ID = @con1_thread_id) order by event_id limit 1; SELECT event_id into @base_stmt_event_id from performance_schema.events_statements_history_long where (THREAD_ID = @con1_thread_id) order by event_id limit 1; select if(@base_tx_event_id < @base_stmt_event_id, @base_tx_event_id - 1, @base_stmt_event_id - 1) into @base_event_id; # # EVENTS_TRANSACTIONS_CURRENT # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 11, ' ') 'EVENT_NAME ', RPAD(STATE, 11, ' ') 'STATE ', RPAD(ACCESS_MODE, 11, ' ') ACCESS_MODE, RPAD(ISOLATION_LEVEL, 16, ' ') 'ISOLATION_LEVEL ', RPAD(AUTOCOMMIT, 4, ' ') AUTO, LPAD(NESTING_EVENT_ID - @base_event_id, 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE FROM performance_schema.events_transactions_current WHERE ((THREAD_ID = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME STATE ACCESS_MODE ISOLATION_LEVEL AUTO R_NESTING_EVENT_ID NESTING_EVENT_TYPE thread_id 6 11 transaction COMMITTED READ WRITE REPEATABLE READ NO 5 STATEMENT # # EVENTS_TRANSACTIONS_HISTORY_LONG # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 11, ' ') 'EVENT_NAME ', RPAD(STATE, 11, ' ') 'STATE ', RPAD(ACCESS_MODE, 11, ' ') ACCESS_MODE, RPAD(ISOLATION_LEVEL, 16, ' ') 'ISOLATION_LEVEL ', RPAD(AUTOCOMMIT, 4, ' ') AUTO, LPAD(NESTING_EVENT_ID - @base_event_id, 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE FROM performance_schema.events_transactions_history_long WHERE ((THREAD_ID = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME STATE ACCESS_MODE ISOLATION_LEVEL AUTO R_NESTING_EVENT_ID NESTING_EVENT_TYPE thread_id 2 2 transaction COMMITTED READ WRITE REPEATABLE READ YES 1 STATEMENT thread_id 4 4 transaction COMMITTED READ WRITE REPEATABLE READ YES 3 STATEMENT thread_id 6 11 transaction COMMITTED READ WRITE REPEATABLE READ NO 5 STATEMENT # # EVENTS_STATEMENTS_HISTORY_LONG # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 30, ' ') 'EVENT_NAME ', RPAD(IFNULL(object_name, 'NULL'), 12, ' ') 'OBJECT_NAME ', LPAD(IFNULL(NESTING_EVENT_ID - @base_event_id, 'NULL'), 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE, LPAD(NESTING_EVENT_LEVEL, 5, ' ') LEVEL, SQL_TEXT FROM performance_schema.events_statements_history_long WHERE ((THREAD_ID = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME OBJECT_NAME R_NESTING_EVENT_ID NESTING_EVENT_TYPE LEVEL SQL_TEXT thread_id 1 2 statement/sql/create_procedure NULL NULL NULL 0 CREATE PROCEDURE tp_start() START TRANSACTION thread_id 3 6 statement/sql/call_procedure NULL NULL NULL 0 CALL tp_start() thread_id 5 6 statement/sp/stmt tp_start 3 STATEMENT 1 START TRANSACTION thread_id 7 7 statement/sql/insert NULL 6 TRANSACTION 0 INSERT INTO t1 VALUES (320, "INSERT 320"),(321, "INSERT 321") thread_id 8 8 statement/sql/insert NULL 6 TRANSACTION 0 INSERT INTO t1 VALUES (322, "INSERT 322"),(323, "INSERT 323") thread_id 9 9 statement/sql/update NULL 6 TRANSACTION 0 UPDATE t1 SET s1 = s1 + 1 WHERE s1 > 320 thread_id 10 10 statement/sql/select NULL 6 TRANSACTION 0 SELECT * FROM t1 ORDER BY s1 thread_id 11 11 statement/sql/commit NULL 6 TRANSACTION 0 COMMIT # ### Combined statement and transaction event history ordered by event id # #EVENTS_STATEMENTS_HISTORY_LONG + EVENTS_TRANSACTIONS_HISTORY_LONG # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 25, ' ') 'EVENT_NAME ', LPAD(NESTING_EVENT_ID - @base_event_id, 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE, '' AS SQL_TXT FROM performance_schema.events_transactions_history_long t WHERE (t.thread_id = @con1_thread_id) UNION SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 25, ' ') 'EVENT_NAME ', LPAD(IFNULL(NESTING_EVENT_ID - @base_event_id, 'NULL'), 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE, SQL_TEXT FROM performance_schema.events_statements_history_long s WHERE ((s.thread_id = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, r_event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME R_NESTING_EVENT_ID NESTING_EVENT_TYPE SQL_TXT thread_id 1 2 statement/sql/create_proc NULL NULL CREATE PROCEDURE tp_start() START TRANSACTION thread_id 2 2 transaction 1 STATEMENT thread_id 3 6 statement/sql/call_proced NULL NULL CALL tp_start() thread_id 4 4 transaction 3 STATEMENT thread_id 5 6 statement/sp/stmt 3 STATEMENT START TRANSACTION thread_id 6 11 transaction 5 STATEMENT thread_id 7 7 statement/sql/insert 6 TRANSACTION INSERT INTO t1 VALUES (320, "INSERT 320"),(321, "INSERT 321") thread_id 8 8 statement/sql/insert 6 TRANSACTION INSERT INTO t1 VALUES (322, "INSERT 322"),(323, "INSERT 323") thread_id 9 9 statement/sql/update 6 TRANSACTION UPDATE t1 SET s1 = s1 + 1 WHERE s1 > 320 thread_id 10 10 statement/sql/select 6 TRANSACTION SELECT * FROM t1 ORDER BY s1 thread_id 11 11 statement/sql/commit 6 TRANSACTION COMMIT # ### Clear statement and transaction history # CALL test.clear_history(); CALL test.clear_history(); ## Reset db.t1 DELETE FROM db.t1; # # # STEP 3.3 - TRANSACTION ENDED WITHIN STORED PROCEDURE # connection con1; CREATE PROCEDURE tp_rollback() ROLLBACK; CREATE PROCEDURE tp_commit() COMMIT; # ## COMMIT within stored procedure START TRANSACTION; INSERT INTO t1 VALUES (330, "INSERT 330"),(331, "INSERT 331"); INSERT INTO t1 VALUES (332, "INSERT 332"),(333, "INSERT 333"); DELETE FROM t1 WHERE s1 > 331; CALL tp_commit(); # SELECT * FROM t1 ORDER BY s1; s1 s2 330 INSERT 330 331 INSERT 331 # ## ROLLBACK within stored procedure START TRANSACTION; UPDATE t1 SET s1 = s1*2 WHERE s1 > 331; CALL tp_rollback(); # SELECT * FROM t1 ORDER BY s1; s1 s2 330 INSERT 330 331 INSERT 331 connection default; #======================================================================== # Verify #======================================================================== SELECT event_id into @base_tx_event_id from performance_schema.events_transactions_history_long where (THREAD_ID = @con1_thread_id) order by event_id limit 1; SELECT event_id into @base_stmt_event_id from performance_schema.events_statements_history_long where (THREAD_ID = @con1_thread_id) order by event_id limit 1; select if(@base_tx_event_id < @base_stmt_event_id, @base_tx_event_id - 1, @base_stmt_event_id - 1) into @base_event_id; # # EVENTS_TRANSACTIONS_CURRENT # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 11, ' ') 'EVENT_NAME ', RPAD(STATE, 11, ' ') 'STATE ', RPAD(ACCESS_MODE, 11, ' ') ACCESS_MODE, RPAD(ISOLATION_LEVEL, 16, ' ') 'ISOLATION_LEVEL ', RPAD(AUTOCOMMIT, 4, ' ') AUTO, LPAD(NESTING_EVENT_ID - @base_event_id, 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE FROM performance_schema.events_transactions_current WHERE ((THREAD_ID = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME STATE ACCESS_MODE ISOLATION_LEVEL AUTO R_NESTING_EVENT_ID NESTING_EVENT_TYPE thread_id 22 22 transaction COMMITTED READ WRITE REPEATABLE READ YES 21 STATEMENT # # EVENTS_TRANSACTIONS_HISTORY_LONG # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 11, ' ') 'EVENT_NAME ', RPAD(STATE, 11, ' ') 'STATE ', RPAD(ACCESS_MODE, 11, ' ') ACCESS_MODE, RPAD(ISOLATION_LEVEL, 16, ' ') 'ISOLATION_LEVEL ', RPAD(AUTOCOMMIT, 4, ' ') AUTO, LPAD(NESTING_EVENT_ID - @base_event_id, 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE FROM performance_schema.events_transactions_history_long WHERE ((THREAD_ID = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME STATE ACCESS_MODE ISOLATION_LEVEL AUTO R_NESTING_EVENT_ID NESTING_EVENT_TYPE thread_id 2 2 transaction COMMITTED READ WRITE REPEATABLE READ YES 1 STATEMENT thread_id 4 4 transaction COMMITTED READ WRITE REPEATABLE READ YES 3 STATEMENT thread_id 11 11 transaction COMMITTED READ WRITE REPEATABLE READ NO 10 STATEMENT thread_id 11 12 transaction COMMITTED READ WRITE REPEATABLE READ NO 10 STATEMENT thread_id 14 14 transaction COMMITTED READ WRITE REPEATABLE READ YES 13 STATEMENT thread_id 19 19 transaction COMMITTED READ WRITE REPEATABLE READ NO 18 STATEMENT thread_id 19 20 transaction ROLLED BACK READ WRITE REPEATABLE READ NO 18 STATEMENT thread_id 22 22 transaction COMMITTED READ WRITE REPEATABLE READ YES 21 STATEMENT # # EVENTS_STATEMENTS_HISTORY_LONG # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 30, ' ') 'EVENT_NAME ', RPAD(IFNULL(object_name, 'NULL'), 12, ' ') 'OBJECT_NAME ', LPAD(IFNULL(NESTING_EVENT_ID - @base_event_id, 'NULL'), 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE, LPAD(NESTING_EVENT_LEVEL, 5, ' ') LEVEL, SQL_TEXT FROM performance_schema.events_statements_history_long WHERE ((THREAD_ID = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME OBJECT_NAME R_NESTING_EVENT_ID NESTING_EVENT_TYPE LEVEL SQL_TEXT thread_id 1 2 statement/sql/create_procedure NULL NULL NULL 0 CREATE PROCEDURE tp_rollback() ROLLBACK thread_id 3 4 statement/sql/create_procedure NULL NULL NULL 0 CREATE PROCEDURE tp_commit() COMMIT thread_id 5 6 statement/sql/begin NULL NULL NULL 0 START TRANSACTION thread_id 7 7 statement/sql/insert NULL 6 TRANSACTION 0 INSERT INTO t1 VALUES (330, "INSERT 330"),(331, "INSERT 331") thread_id 8 8 statement/sql/insert NULL 6 TRANSACTION 0 INSERT INTO t1 VALUES (332, "INSERT 332"),(333, "INSERT 333") thread_id 9 9 statement/sql/delete NULL 6 TRANSACTION 0 DELETE FROM t1 WHERE s1 > 331 thread_id 10 12 statement/sql/call_procedure NULL 6 TRANSACTION 0 CALL tp_commit() thread_id 12 12 statement/sp/stmt tp_commit 10 STATEMENT 1 COMMIT thread_id 13 14 statement/sql/select NULL NULL NULL 0 SELECT * FROM t1 ORDER BY s1 thread_id 15 16 statement/sql/begin NULL NULL NULL 0 START TRANSACTION thread_id 17 17 statement/sql/update NULL 16 TRANSACTION 0 UPDATE t1 SET s1 = s1*2 WHERE s1 > 331 thread_id 18 20 statement/sql/call_procedure NULL 16 TRANSACTION 0 CALL tp_rollback() thread_id 20 20 statement/sp/stmt tp_rollback 18 STATEMENT 1 ROLLBACK thread_id 21 22 statement/sql/select NULL NULL NULL 0 SELECT * FROM t1 ORDER BY s1 # ### Combined statement and transaction event history ordered by event id # #EVENTS_STATEMENTS_HISTORY_LONG + EVENTS_TRANSACTIONS_HISTORY_LONG # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 25, ' ') 'EVENT_NAME ', LPAD(NESTING_EVENT_ID - @base_event_id, 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE, '' AS SQL_TXT FROM performance_schema.events_transactions_history_long t WHERE (t.thread_id = @con1_thread_id) UNION SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 25, ' ') 'EVENT_NAME ', LPAD(IFNULL(NESTING_EVENT_ID - @base_event_id, 'NULL'), 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE, SQL_TEXT FROM performance_schema.events_statements_history_long s WHERE ((s.thread_id = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, r_event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME R_NESTING_EVENT_ID NESTING_EVENT_TYPE SQL_TXT thread_id 1 2 statement/sql/create_proc NULL NULL CREATE PROCEDURE tp_rollback() ROLLBACK thread_id 2 2 transaction 1 STATEMENT thread_id 3 4 statement/sql/create_proc NULL NULL CREATE PROCEDURE tp_commit() COMMIT thread_id 4 4 transaction 3 STATEMENT thread_id 5 6 statement/sql/begin NULL NULL START TRANSACTION thread_id 7 7 statement/sql/insert 6 TRANSACTION INSERT INTO t1 VALUES (330, "INSERT 330"),(331, "INSERT 331") thread_id 8 8 statement/sql/insert 6 TRANSACTION INSERT INTO t1 VALUES (332, "INSERT 332"),(333, "INSERT 333") thread_id 9 9 statement/sql/delete 6 TRANSACTION DELETE FROM t1 WHERE s1 > 331 thread_id 10 12 statement/sql/call_proced 6 TRANSACTION CALL tp_commit() thread_id 11 11 transaction 10 STATEMENT thread_id 11 12 transaction 10 STATEMENT thread_id 12 12 statement/sp/stmt 10 STATEMENT COMMIT thread_id 13 14 statement/sql/select NULL NULL SELECT * FROM t1 ORDER BY s1 thread_id 14 14 transaction 13 STATEMENT thread_id 15 16 statement/sql/begin NULL NULL START TRANSACTION thread_id 17 17 statement/sql/update 16 TRANSACTION UPDATE t1 SET s1 = s1*2 WHERE s1 > 331 thread_id 18 20 statement/sql/call_proced 16 TRANSACTION CALL tp_rollback() thread_id 19 19 transaction 18 STATEMENT thread_id 19 20 transaction 18 STATEMENT thread_id 20 20 statement/sp/stmt 18 STATEMENT ROLLBACK thread_id 21 22 statement/sql/select NULL NULL SELECT * FROM t1 ORDER BY s1 thread_id 22 22 transaction 21 STATEMENT # ### Clear statement and transaction history # CALL test.clear_history(); CALL test.clear_history(); ## Reset db.t1 DELETE FROM db.t1; # #======================================================================== # STEP 4 - TRANSACTIONS AND STORED FUNCTIONS #======================================================================== # # # STEP 4.1 - FUNCTION WITHIN A TRANSACTION # connection con1; CREATE FUNCTION fn_add(x INT, y INT) RETURNS INT BEGIN INSERT INTO t1 VALUES (x, "INSERT x"),(y, "INSERT y"); RETURN x+y; END | # ## Clear history connection default; CALL test.clear_history(); connection con1; # START TRANSACTION; INSERT INTO t1 VALUES (410, "INSERT 410"); INSERT INTO t1 VALUES (411, "INSERT 411"); INSERT INTO t1 VALUES (412, "INSERT 412"); DELETE FROM t1 WHERE s1 > 410; # SELECT * FROM t1 ORDER BY s1; s1 s2 410 INSERT 410 # SELECT fn_add(413, 414); fn_add(413, 414) 827 COMMIT; # SELECT * FROM t1 ORDER BY s1; s1 s2 410 INSERT 410 413 INSERT x 414 INSERT y connection default; #======================================================================== # Verify #======================================================================== SELECT event_id into @base_tx_event_id from performance_schema.events_transactions_history_long where (THREAD_ID = @con1_thread_id) order by event_id limit 1; SELECT event_id into @base_stmt_event_id from performance_schema.events_statements_history_long where (THREAD_ID = @con1_thread_id) order by event_id limit 1; select if(@base_tx_event_id < @base_stmt_event_id, @base_tx_event_id - 1, @base_stmt_event_id - 1) into @base_event_id; # # EVENTS_TRANSACTIONS_CURRENT # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 11, ' ') 'EVENT_NAME ', RPAD(STATE, 11, ' ') 'STATE ', RPAD(ACCESS_MODE, 11, ' ') ACCESS_MODE, RPAD(ISOLATION_LEVEL, 16, ' ') 'ISOLATION_LEVEL ', RPAD(AUTOCOMMIT, 4, ' ') AUTO, LPAD(NESTING_EVENT_ID - @base_event_id, 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE FROM performance_schema.events_transactions_current WHERE ((THREAD_ID = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME STATE ACCESS_MODE ISOLATION_LEVEL AUTO R_NESTING_EVENT_ID NESTING_EVENT_TYPE thread_id 14 14 transaction COMMITTED READ WRITE REPEATABLE READ YES 13 STATEMENT # # EVENTS_TRANSACTIONS_HISTORY_LONG # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 11, ' ') 'EVENT_NAME ', RPAD(STATE, 11, ' ') 'STATE ', RPAD(ACCESS_MODE, 11, ' ') ACCESS_MODE, RPAD(ISOLATION_LEVEL, 16, ' ') 'ISOLATION_LEVEL ', RPAD(AUTOCOMMIT, 4, ' ') AUTO, LPAD(NESTING_EVENT_ID - @base_event_id, 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE FROM performance_schema.events_transactions_history_long WHERE ((THREAD_ID = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME STATE ACCESS_MODE ISOLATION_LEVEL AUTO R_NESTING_EVENT_ID NESTING_EVENT_TYPE thread_id 9 9 transaction COMMITTED READ WRITE REPEATABLE READ NO 8 STATEMENT thread_id 9 12 transaction COMMITTED READ WRITE REPEATABLE READ NO 8 STATEMENT thread_id 14 14 transaction COMMITTED READ WRITE REPEATABLE READ YES 13 STATEMENT # # EVENTS_STATEMENTS_HISTORY_LONG # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 30, ' ') 'EVENT_NAME ', RPAD(IFNULL(object_name, 'NULL'), 12, ' ') 'OBJECT_NAME ', LPAD(IFNULL(NESTING_EVENT_ID - @base_event_id, 'NULL'), 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE, LPAD(NESTING_EVENT_LEVEL, 5, ' ') LEVEL, SQL_TEXT FROM performance_schema.events_statements_history_long WHERE ((THREAD_ID = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME OBJECT_NAME R_NESTING_EVENT_ID NESTING_EVENT_TYPE LEVEL SQL_TEXT thread_id 1 2 statement/sql/begin NULL NULL NULL 0 START TRANSACTION thread_id 3 3 statement/sql/insert NULL 2 TRANSACTION 0 INSERT INTO t1 VALUES (410, "INSERT 410") thread_id 4 4 statement/sql/insert NULL 2 TRANSACTION 0 INSERT INTO t1 VALUES (411, "INSERT 411") thread_id 5 5 statement/sql/insert NULL 2 TRANSACTION 0 INSERT INTO t1 VALUES (412, "INSERT 412") thread_id 6 6 statement/sql/delete NULL 2 TRANSACTION 0 DELETE FROM t1 WHERE s1 > 410 thread_id 7 7 statement/sql/select NULL 2 TRANSACTION 0 SELECT * FROM t1 ORDER BY s1 thread_id 8 11 statement/sql/select NULL 2 TRANSACTION 0 SELECT fn_add(413, 414) thread_id 10 10 statement/sp/stmt fn_add 8 STATEMENT 1 INSERT INTO t1 VALUES (x, "INSERT x"),(y, "INSERT y") thread_id 11 11 statement/sp/freturn fn_add 8 STATEMENT 1 NULL thread_id 12 12 statement/sql/commit NULL NULL NULL 0 COMMIT thread_id 13 14 statement/sql/select NULL NULL NULL 0 SELECT * FROM t1 ORDER BY s1 # ### Combined statement and transaction event history ordered by event id # #EVENTS_STATEMENTS_HISTORY_LONG + EVENTS_TRANSACTIONS_HISTORY_LONG # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 25, ' ') 'EVENT_NAME ', LPAD(NESTING_EVENT_ID - @base_event_id, 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE, '' AS SQL_TXT FROM performance_schema.events_transactions_history_long t WHERE (t.thread_id = @con1_thread_id) UNION SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 25, ' ') 'EVENT_NAME ', LPAD(IFNULL(NESTING_EVENT_ID - @base_event_id, 'NULL'), 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE, SQL_TEXT FROM performance_schema.events_statements_history_long s WHERE ((s.thread_id = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, r_event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME R_NESTING_EVENT_ID NESTING_EVENT_TYPE SQL_TXT thread_id 1 2 statement/sql/begin NULL NULL START TRANSACTION thread_id 3 3 statement/sql/insert 2 TRANSACTION INSERT INTO t1 VALUES (410, "INSERT 410") thread_id 4 4 statement/sql/insert 2 TRANSACTION INSERT INTO t1 VALUES (411, "INSERT 411") thread_id 5 5 statement/sql/insert 2 TRANSACTION INSERT INTO t1 VALUES (412, "INSERT 412") thread_id 6 6 statement/sql/delete 2 TRANSACTION DELETE FROM t1 WHERE s1 > 410 thread_id 7 7 statement/sql/select 2 TRANSACTION SELECT * FROM t1 ORDER BY s1 thread_id 8 11 statement/sql/select 2 TRANSACTION SELECT fn_add(413, 414) thread_id 9 9 transaction 8 STATEMENT thread_id 9 12 transaction 8 STATEMENT thread_id 10 10 statement/sp/stmt 8 STATEMENT INSERT INTO t1 VALUES (x, "INSERT x"),(y, "INSERT y") thread_id 11 11 statement/sp/freturn 8 STATEMENT NULL thread_id 12 12 statement/sql/commit NULL NULL COMMIT thread_id 13 14 statement/sql/select NULL NULL SELECT * FROM t1 ORDER BY s1 thread_id 14 14 transaction 13 STATEMENT # ### Clear statement and transaction history # CALL test.clear_history(); CALL test.clear_history(); ## Reset db.t1 DELETE FROM db.t1; # connection con1; # ## Again, but this time with a rollback # START TRANSACTION; SELECT fn_add(415, 416); fn_add(415, 416) 831 # ROLLBACK; # SELECT * FROM t1 ORDER BY s1; s1 s2 connection default; #======================================================================== # Verify #======================================================================== SELECT event_id into @base_tx_event_id from performance_schema.events_transactions_history_long where (THREAD_ID = @con1_thread_id) order by event_id limit 1; SELECT event_id into @base_stmt_event_id from performance_schema.events_statements_history_long where (THREAD_ID = @con1_thread_id) order by event_id limit 1; select if(@base_tx_event_id < @base_stmt_event_id, @base_tx_event_id - 1, @base_stmt_event_id - 1) into @base_event_id; # # EVENTS_TRANSACTIONS_CURRENT # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 11, ' ') 'EVENT_NAME ', RPAD(STATE, 11, ' ') 'STATE ', RPAD(ACCESS_MODE, 11, ' ') ACCESS_MODE, RPAD(ISOLATION_LEVEL, 16, ' ') 'ISOLATION_LEVEL ', RPAD(AUTOCOMMIT, 4, ' ') AUTO, LPAD(NESTING_EVENT_ID - @base_event_id, 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE FROM performance_schema.events_transactions_current WHERE ((THREAD_ID = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME STATE ACCESS_MODE ISOLATION_LEVEL AUTO R_NESTING_EVENT_ID NESTING_EVENT_TYPE thread_id 8 8 transaction COMMITTED READ WRITE REPEATABLE READ YES 7 STATEMENT # # EVENTS_TRANSACTIONS_HISTORY_LONG # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 11, ' ') 'EVENT_NAME ', RPAD(STATE, 11, ' ') 'STATE ', RPAD(ACCESS_MODE, 11, ' ') ACCESS_MODE, RPAD(ISOLATION_LEVEL, 16, ' ') 'ISOLATION_LEVEL ', RPAD(AUTOCOMMIT, 4, ' ') AUTO, LPAD(NESTING_EVENT_ID - @base_event_id, 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE FROM performance_schema.events_transactions_history_long WHERE ((THREAD_ID = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME STATE ACCESS_MODE ISOLATION_LEVEL AUTO R_NESTING_EVENT_ID NESTING_EVENT_TYPE thread_id 2 6 transaction ROLLED BACK READ WRITE REPEATABLE READ NO 1 STATEMENT thread_id 8 8 transaction COMMITTED READ WRITE REPEATABLE READ YES 7 STATEMENT # # EVENTS_STATEMENTS_HISTORY_LONG # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 30, ' ') 'EVENT_NAME ', RPAD(IFNULL(object_name, 'NULL'), 12, ' ') 'OBJECT_NAME ', LPAD(IFNULL(NESTING_EVENT_ID - @base_event_id, 'NULL'), 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE, LPAD(NESTING_EVENT_LEVEL, 5, ' ') LEVEL, SQL_TEXT FROM performance_schema.events_statements_history_long WHERE ((THREAD_ID = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME OBJECT_NAME R_NESTING_EVENT_ID NESTING_EVENT_TYPE LEVEL SQL_TEXT thread_id 1 2 statement/sql/begin NULL NULL NULL 0 START TRANSACTION thread_id 3 5 statement/sql/select NULL 2 TRANSACTION 0 SELECT fn_add(415, 416) thread_id 4 4 statement/sp/stmt fn_add 3 STATEMENT 1 INSERT INTO t1 VALUES (x, "INSERT x"),(y, "INSERT y") thread_id 5 5 statement/sp/freturn fn_add 3 STATEMENT 1 NULL thread_id 6 6 statement/sql/rollback NULL 2 TRANSACTION 0 ROLLBACK thread_id 7 8 statement/sql/select NULL NULL NULL 0 SELECT * FROM t1 ORDER BY s1 # ### Combined statement and transaction event history ordered by event id # #EVENTS_STATEMENTS_HISTORY_LONG + EVENTS_TRANSACTIONS_HISTORY_LONG # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 25, ' ') 'EVENT_NAME ', LPAD(NESTING_EVENT_ID - @base_event_id, 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE, '' AS SQL_TXT FROM performance_schema.events_transactions_history_long t WHERE (t.thread_id = @con1_thread_id) UNION SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 25, ' ') 'EVENT_NAME ', LPAD(IFNULL(NESTING_EVENT_ID - @base_event_id, 'NULL'), 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE, SQL_TEXT FROM performance_schema.events_statements_history_long s WHERE ((s.thread_id = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, r_event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME R_NESTING_EVENT_ID NESTING_EVENT_TYPE SQL_TXT thread_id 1 2 statement/sql/begin NULL NULL START TRANSACTION thread_id 2 6 transaction 1 STATEMENT thread_id 3 5 statement/sql/select 2 TRANSACTION SELECT fn_add(415, 416) thread_id 4 4 statement/sp/stmt 3 STATEMENT INSERT INTO t1 VALUES (x, "INSERT x"),(y, "INSERT y") thread_id 5 5 statement/sp/freturn 3 STATEMENT NULL thread_id 6 6 statement/sql/rollback 2 TRANSACTION ROLLBACK thread_id 7 8 statement/sql/select NULL NULL SELECT * FROM t1 ORDER BY s1 thread_id 8 8 transaction 7 STATEMENT # ### Clear statement and transaction history # CALL test.clear_history(); CALL test.clear_history(); ## Reset db.t1 DELETE FROM db.t1; # # # STEP 4.2 - TRANSACTION CANNOT BE STARTED OR ENDED WITHIN FUNCTION # connection con1; CREATE FUNCTION fn_err1() RETURNS VARCHAR(10) BEGIN START TRANSACTION ; RETURN 'invalid' ; END| ERROR HY000: Explicit or implicit commit is not allowed in stored function or trigger # ## Expect 0 transactions connection default; SELECT COUNT(*) FROM performance_schema.events_transactions_history; COUNT(*) 0 connection con1; # ## Expect stored function does not exist # SELECT fn_err1(); ERROR 42000: FUNCTION db.fn_err1 does not exist # ## Expect 1 transactions connection default; SELECT COUNT(*) FROM performance_schema.events_transactions_history; COUNT(*) 1 connection con1; # CREATE FUNCTION fn_err2() RETURNS VARCHAR(10) BEGIN COMMIT; RETURN 'invalid' ; END| ERROR HY000: Explicit or implicit commit is not allowed in stored function or trigger # ## Expect stored function does not exist # START TRANSACTION; DELETE FROM t1 WHERE s1 > 320; SELECT fn_err2(); ERROR 42000: FUNCTION db.fn_err2 does not exist # ## Expect 2 transactions connection default; SELECT COUNT(*) FROM performance_schema.events_transactions_history; COUNT(*) 2 # ## Clear transaction and statement tables CALL test.clear_history(); #======================================================================== # STEP 5 - TRANSACTIONS AND TRIGGERS #======================================================================== # # # STEP 5.1 - FORCE STATEMENT ROLLBACK FROM TRIGGER # connection con1; ## Create a trigger to force statement rollback # CREATE TRIGGER trigger_before_update BEFORE UPDATE ON t1 FOR EACH ROW BEGIN IF OLD.s1 >= 505 THEN SIGNAL sqlstate '45001' SET message_text = "FORCE ERROR"; END IF; END;| # ## Clear history connection default; CALL test.clear_history(); connection con1; # ## Insert multiple rows, then update. Trigger will force rollback the ## UPDATE statement, but the transaction should not roll back. # START TRANSACTION; INSERT INTO t1 VALUES (500, "INSERT 500"); INSERT INTO t1 VALUES (501, "INSERT 501"); INSERT INTO t1 VALUES (502, "INSERT 502"); INSERT INTO t1 VALUES (503, "INSERT 503"); INSERT INTO t1 VALUES (504, "INSERT 504"); INSERT INTO t1 VALUES (505, "INSERT 505"); # SELECT * FROM t1 ORDER BY s1; s1 s2 500 INSERT 500 501 INSERT 501 502 INSERT 502 503 INSERT 503 504 INSERT 504 505 INSERT 505 # ## Expect error when UPDATE hits record 505 # UPDATE t1 SET s1 = s1 * 2 WHERE s1 >= 500; ERROR 45001: FORCE ERROR # ## Verify that INSERT succeeded, UPDATE failed and transaction did not rollback # SELECT * FROM t1 ORDER BY s1; s1 s2 500 INSERT 500 501 INSERT 501 502 INSERT 502 503 INSERT 503 504 INSERT 504 505 INSERT 505 COMMIT; # DROP TRIGGER trigger_before_update; connection default; #======================================================================== # Verify #======================================================================== SELECT event_id into @base_tx_event_id from performance_schema.events_transactions_history_long where (THREAD_ID = @con1_thread_id) order by event_id limit 1; SELECT event_id into @base_stmt_event_id from performance_schema.events_statements_history_long where (THREAD_ID = @con1_thread_id) order by event_id limit 1; select if(@base_tx_event_id < @base_stmt_event_id, @base_tx_event_id - 1, @base_stmt_event_id - 1) into @base_event_id; # # EVENTS_TRANSACTIONS_CURRENT # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 11, ' ') 'EVENT_NAME ', RPAD(STATE, 11, ' ') 'STATE ', RPAD(ACCESS_MODE, 11, ' ') ACCESS_MODE, RPAD(ISOLATION_LEVEL, 16, ' ') 'ISOLATION_LEVEL ', RPAD(AUTOCOMMIT, 4, ' ') AUTO, LPAD(NESTING_EVENT_ID - @base_event_id, 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE FROM performance_schema.events_transactions_current WHERE ((THREAD_ID = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME STATE ACCESS_MODE ISOLATION_LEVEL AUTO R_NESTING_EVENT_ID NESTING_EVENT_TYPE thread_id 21 21 transaction COMMITTED READ WRITE REPEATABLE READ YES 20 STATEMENT # # EVENTS_TRANSACTIONS_HISTORY_LONG # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 11, ' ') 'EVENT_NAME ', RPAD(STATE, 11, ' ') 'STATE ', RPAD(ACCESS_MODE, 11, ' ') ACCESS_MODE, RPAD(ISOLATION_LEVEL, 16, ' ') 'ISOLATION_LEVEL ', RPAD(AUTOCOMMIT, 4, ' ') AUTO, LPAD(NESTING_EVENT_ID - @base_event_id, 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE FROM performance_schema.events_transactions_history_long WHERE ((THREAD_ID = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME STATE ACCESS_MODE ISOLATION_LEVEL AUTO R_NESTING_EVENT_ID NESTING_EVENT_TYPE thread_id 2 19 transaction COMMITTED READ WRITE REPEATABLE READ NO 1 STATEMENT thread_id 21 21 transaction COMMITTED READ WRITE REPEATABLE READ YES 20 STATEMENT # # EVENTS_STATEMENTS_HISTORY_LONG # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 30, ' ') 'EVENT_NAME ', RPAD(IFNULL(object_name, 'NULL'), 12, ' ') 'OBJECT_NAME ', LPAD(IFNULL(NESTING_EVENT_ID - @base_event_id, 'NULL'), 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE, LPAD(NESTING_EVENT_LEVEL, 5, ' ') LEVEL, SQL_TEXT FROM performance_schema.events_statements_history_long WHERE ((THREAD_ID = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME OBJECT_NAME R_NESTING_EVENT_ID NESTING_EVENT_TYPE LEVEL SQL_TEXT thread_id 1 2 statement/sql/begin NULL NULL NULL 0 START TRANSACTION thread_id 3 3 statement/sql/insert NULL 2 TRANSACTION 0 INSERT INTO t1 VALUES (500, "INSERT 500") thread_id 4 4 statement/sql/insert NULL 2 TRANSACTION 0 INSERT INTO t1 VALUES (501, "INSERT 501") thread_id 5 5 statement/sql/insert NULL 2 TRANSACTION 0 INSERT INTO t1 VALUES (502, "INSERT 502") thread_id 6 6 statement/sql/insert NULL 2 TRANSACTION 0 INSERT INTO t1 VALUES (503, "INSERT 503") thread_id 7 7 statement/sql/insert NULL 2 TRANSACTION 0 INSERT INTO t1 VALUES (504, "INSERT 504") thread_id 8 8 statement/sql/insert NULL 2 TRANSACTION 0 INSERT INTO t1 VALUES (505, "INSERT 505") thread_id 9 9 statement/sql/select NULL 2 TRANSACTION 0 SELECT * FROM t1 ORDER BY s1 thread_id 10 17 statement/sql/update NULL 2 TRANSACTION 0 UPDATE t1 SET s1 = s1 * 2 WHERE s1 >= 500 thread_id 11 11 statement/sp/jump_if_not trigger_befo 10 STATEMENT 1 NULL thread_id 12 12 statement/sp/jump_if_not trigger_befo 10 STATEMENT 1 NULL thread_id 13 13 statement/sp/jump_if_not trigger_befo 10 STATEMENT 1 NULL thread_id 14 14 statement/sp/jump_if_not trigger_befo 10 STATEMENT 1 NULL thread_id 15 15 statement/sp/jump_if_not trigger_befo 10 STATEMENT 1 NULL thread_id 16 16 statement/sp/jump_if_not trigger_befo 10 STATEMENT 1 NULL thread_id 17 17 statement/sp/stmt trigger_befo 10 STATEMENT 1 SIGNAL sqlstate '45001' SET message_text = "FORCE ERROR" thread_id 18 18 statement/sql/select NULL 2 TRANSACTION 0 SELECT * FROM t1 ORDER BY s1 thread_id 19 19 statement/sql/commit NULL 2 TRANSACTION 0 COMMIT thread_id 20 21 statement/sql/drop_trigger NULL NULL NULL 0 DROP TRIGGER trigger_before_update # ### Combined statement and transaction event history ordered by event id # #EVENTS_STATEMENTS_HISTORY_LONG + EVENTS_TRANSACTIONS_HISTORY_LONG # SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 25, ' ') 'EVENT_NAME ', LPAD(NESTING_EVENT_ID - @base_event_id, 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE, '' AS SQL_TXT FROM performance_schema.events_transactions_history_long t WHERE (t.thread_id = @con1_thread_id) UNION SELECT THREAD_ID, LPAD(EVENT_ID - @base_event_id, 11, ' ') as R_EVENT_ID, LPAD(END_EVENT_ID - @base_event_id, 11, ' ') as R_END_EVENT_ID, RPAD(EVENT_NAME, 25, ' ') 'EVENT_NAME ', LPAD(IFNULL(NESTING_EVENT_ID - @base_event_id, 'NULL'), 19, ' ') as R_NESTING_EVENT_ID, RPAD(IFNULL(NESTING_EVENT_TYPE, 'NULL'), 18, ' ') NESTING_EVENT_TYPE, SQL_TEXT FROM performance_schema.events_statements_history_long s WHERE ((s.thread_id = @con1_thread_id) OR (@all_threads = 1)) ORDER BY thread_id, r_event_id; THREAD_ID R_EVENT_ID R_END_EVENT_ID EVENT_NAME R_NESTING_EVENT_ID NESTING_EVENT_TYPE SQL_TXT thread_id 1 2 statement/sql/begin NULL NULL START TRANSACTION thread_id 2 19 transaction 1 STATEMENT thread_id 3 3 statement/sql/insert 2 TRANSACTION INSERT INTO t1 VALUES (500, "INSERT 500") thread_id 4 4 statement/sql/insert 2 TRANSACTION INSERT INTO t1 VALUES (501, "INSERT 501") thread_id 5 5 statement/sql/insert 2 TRANSACTION INSERT INTO t1 VALUES (502, "INSERT 502") thread_id 6 6 statement/sql/insert 2 TRANSACTION INSERT INTO t1 VALUES (503, "INSERT 503") thread_id 7 7 statement/sql/insert 2 TRANSACTION INSERT INTO t1 VALUES (504, "INSERT 504") thread_id 8 8 statement/sql/insert 2 TRANSACTION INSERT INTO t1 VALUES (505, "INSERT 505") thread_id 9 9 statement/sql/select 2 TRANSACTION SELECT * FROM t1 ORDER BY s1 thread_id 10 17 statement/sql/update 2 TRANSACTION UPDATE t1 SET s1 = s1 * 2 WHERE s1 >= 500 thread_id 11 11 statement/sp/jump_if_not 10 STATEMENT NULL thread_id 12 12 statement/sp/jump_if_not 10 STATEMENT NULL thread_id 13 13 statement/sp/jump_if_not 10 STATEMENT NULL thread_id 14 14 statement/sp/jump_if_not 10 STATEMENT NULL thread_id 15 15 statement/sp/jump_if_not 10 STATEMENT NULL thread_id 16 16 statement/sp/jump_if_not 10 STATEMENT NULL thread_id 17 17 statement/sp/stmt 10 STATEMENT SIGNAL sqlstate '45001' SET message_text = "FORCE ERROR" thread_id 18 18 statement/sql/select 2 TRANSACTION SELECT * FROM t1 ORDER BY s1 thread_id 19 19 statement/sql/commit 2 TRANSACTION COMMIT thread_id 20 21 statement/sql/drop_trigge NULL NULL DROP TRIGGER trigger_before_update thread_id 21 21 transaction 20 STATEMENT # ### Clear statement and transaction history # CALL test.clear_history(); CALL test.clear_history(); ## Reset db.t1 DELETE FROM db.t1; # # TODO: Detect statement events from scheduled event #======================================================================= # Cleanup #======================================================================= connection con1; disconnect con1; connection default; DROP DATABASE db; UPDATE performance_schema.setup_instruments SET enabled='YES', timed='YES'; DROP PROCEDURE clear_transaction_tables; DROP PROCEDURE clear_transaction_history; DROP PROCEDURE clear_statement_history; DROP PROCEDURE clear_history; DROP PROCEDURE transaction_verifier;