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BUG#31761802 STATISTICS ANY QUERIES USING VIEWS ARE SUMMARIZED TOGETHER WITH THE VIEW DEFINITION SELECT

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test case only
This commit is contained in:
Sergei Golubchik
2021-10-28 09:43:49 +02:00
parent e27b1c3137
commit 62ea1b4407
2 changed files with 220 additions and 0 deletions
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76
mysql-test/suite/perfschema/t/digest_view.test Normal file
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# ----------------------------------------------------
# Tests for the performance schema statement Digests.
# ----------------------------------------------------
# Test case to show behavior of statements digest when
# using a view
# Test requires: sp-protocol/ps-protocol/view-protocol/cursor-protocol disabled
--source include/no_protocol.inc
--source include/not_embedded.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 EXTENDED SELECT * from test.v1;
EXPLAIN EXTENDED SELECT * from test.v1 where a = 1;
EXPLAIN EXTENDED SELECT * from test.v1 where b > 100;
EXPLAIN EXTENDED SELECT a, b from test.v1;
EXPLAIN EXTENDED 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_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 EXTENDED SELECT * from test.v1;
EXPLAIN EXTENDED SELECT * from test.v1 where a = 1;
EXPLAIN EXTENDED SELECT * from test.v1 where b > 100;
EXPLAIN EXTENDED SELECT a, b from test.v1;
EXPLAIN EXTENDED 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_TEXT, COUNT_STAR
FROM performance_schema.events_statements_summary_by_digest
ORDER BY DIGEST_TEXT;
DROP VIEW test.v1;
DROP TABLE test.t1;