####################################
# SETUP
####################################
CREATE DATABASE statements_digest;
USE statements_digest;
CREATE TABLE t1(a int);
CREATE TABLE t2(a int);
CREATE TABLE t3(a int, b int);
CREATE TABLE t4(a int, b int);
CREATE TABLE t5(a int, b int, c int);
TRUNCATE TABLE performance_schema.events_statements_summary_by_digest;
####################################
# EXECUTION
####################################
SELECT 1 FROM t1;
1
SELECT 1 FROM `t1`;
1
SELECT 1,2 FROM t1;
1	2
SELECT 1, 2, 3, 4 FROM t1;
1	2	3	4
SELECT 1 FROM t2;
1
SELECT 1,2 FROM t2;
1	2
SELECT 1, 2, 3, 4 FROM t2;
1	2	3	4
INSERT INTO t1 VALUES (1);
INSERT INTO t2 VALUES (1);
INSERT INTO t3 VALUES (1, 2);
INSERT INTO t4 VALUES (1, 2);
INSERT INTO t5 VALUES (1, 2, 3);
INSERT INTO t1 VALUES (1), (2), (3);
INSERT INTO t1 VALUES (1), (2), (3), (4);
INSERT INTO t3 VALUES (1, 2), (3, 4), (5, 6);
INSERT INTO t5 VALUES (1, 2, 3), (4, 5, 6), (7, 8, 9);
SELECT                                          1           +        1;
1           +        1
2
SELECT 1;
1
1
SELECT 1 /* This is an inline comment */ + 1;
1 /* This is an inline comment */ + 1
2
SELECT 1+
/*
this is a
multiple-line comment
*/
1;
1+
/*
this is a
multiple-line comment
*/
1
2
CREATE SCHEMA statements_digest_temp;
DROP SCHEMA statements_digest_temp;
CREATE DATABASE statements_digest_temp;
DROP DATABASE statements_digest_temp;
SELECT 1 from t11;
ERROR 42S02: Table 'statements_digest.t11' doesn't exist
create table t11 (c char(4));
create table t11 (c char(4));
ERROR 42S01: Table 't11' already exists
insert into t11 values("MySQL");
Warnings:
Warning	1265	Data truncated for column 'c' at row 1
####################################
# QUERYING PS STATEMENT DIGEST
####################################
SELECT DIGEST, DIGEST_TEXT, COUNT_STAR, SUM_ROWS_AFFECTED, SUM_WARNINGS,
SUM_ERRORS FROM performance_schema.events_statements_summary_by_digest;
DIGEST	DIGEST_TEXT	COUNT_STAR	SUM_ROWS_AFFECTED	SUM_WARNINGS	SUM_ERRORS
SHOW VARIABLES LIKE "performance_schema_digests_size";
Variable_name	Value
performance_schema_digests_size	0
SELECT COUNT(*) FROM performance_schema.events_statements_summary_by_digest;
COUNT(*)
0
####################################
# CLEANUP
####################################
DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
DROP TABLE IF EXISTS t3;
DROP TABLE IF EXISTS t4;
DROP TABLE IF EXISTS t5;
DROP DATABASE IF EXISTS statements_digest;