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-rw-r--r--mysql-test/suite/perfschema/t/digest_view.test76
1 files changed, 76 insertions, 0 deletions
diff --git a/mysql-test/suite/perfschema/t/digest_view.test b/mysql-test/suite/perfschema/t/digest_view.test
index f718d7530e6..dd862aebd52 100644
--- a/mysql-test/suite/perfschema/t/digest_view.test
+++ b/mysql-test/suite/perfschema/t/digest_view.test
@@ -75,3 +75,79 @@ SELECT SCHEMA_NAME, DIGEST_TEXT, COUNT_STAR
DROP VIEW test.v1;
DROP TABLE test.t1;
+# ----------------------------------------------------
+# 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;
+