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# ---------------------------------------------------- # Tests for the performance schema statement Digests. # ---------------------------------------------------- # Test case to show behavior of statements digest when # using a view --source include/not_embedded.inc --source include/have_perfschema.inc --source include/no_protocol.inc CREATE TABLE test.v1 (a int, b int); INSERT INTO test.v1 VALUES (1, 100), (2, 200), (3, 300); CREATE TABLE test.t1 (a int, b int); INSERT INTO test.t1 VALUES (1, 100), (2, 200), (3, 300); TRUNCATE TABLE performance_schema.events_statements_summary_by_digest; # # test.v1 is a table. # Every query here is different, and should have a different digest. # EXPLAIN SELECT * from test.v1; EXPLAIN SELECT * from test.v1 where a = 1; EXPLAIN SELECT * from test.v1 where b > 100; EXPLAIN SELECT a, b from test.v1; EXPLAIN SELECT b, a from test.v1; SELECT * from test.v1; SELECT * from test.v1 where a = 1; SELECT * from test.v1 where b > 100; SELECT a, b from test.v1; SELECT b, a from test.v1; --echo # --echo # DIGESTS SEEN ON TABLE --echo # SELECT SCHEMA_NAME, DIGEST, DIGEST_TEXT, COUNT_STAR FROM performance_schema.events_statements_summary_by_digest ORDER BY DIGEST_TEXT; DROP TABLE test.v1; CREATE VIEW test.v1 AS SELECT * FROM test.t1; # # test.v1 is now a view. # the query digests should be unchanged. # EXPLAIN SELECT * from test.v1; EXPLAIN SELECT * from test.v1 where a = 1; EXPLAIN SELECT * from test.v1 where b > 100; EXPLAIN SELECT a, b from test.v1; EXPLAIN SELECT b, a from test.v1; SELECT * from test.v1; SELECT * from test.v1 where a = 1; SELECT * from test.v1 where b > 100; SELECT a, b from test.v1; SELECT b, a from test.v1; --echo # --echo # DIGESTS SEEN ON VIEW --echo # SELECT SCHEMA_NAME, DIGEST, DIGEST_TEXT, COUNT_STAR FROM performance_schema.events_statements_summary_by_digest ORDER BY DIGEST_TEXT; DROP VIEW test.v1; DROP TABLE test.t1;