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MDEV-31003: Second execution for ps-protocol

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This patch adds for "--ps-protocol" second execution
of queries "SELECT".
Also in this patch it is added ability to disable/enable
(--disable_ps2_protocol/--enable_ps2_protocol) second
execution for "--ps-prototocol" in testcases.
This commit is contained in:
Lena Startseva
2023-05-31 11:57:45 +07:00
parent 23dae6173c
commit 9854fb6fa7
400 changed files with 1339 additions and 42 deletions
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2
mysql-test/main/partition_range.test
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@ -963,6 +963,7 @@ ANALYZE TABLE t1,t2;
EXPLAIN SELECT a, MAX(b) FROM t1 WHERE a IN (10,100) GROUP BY a;
EXPLAIN SELECT a, MAX(b) FROM t2 WHERE a IN (10,100) GROUP BY a;
--disable_ps2_protocol
FLUSH status;
SELECT a, MAX(b) FROM t1 WHERE a IN (10, 100) GROUP BY a;
--echo # Should be no more than 4 reads.
@ -972,6 +973,7 @@ FLUSH status;
SELECT a, MAX(b) FROM t2 WHERE a IN (10, 100) GROUP BY a;
--echo # Should be no more than 4 reads.
SHOW status LIKE 'handler_read_key';
--enable_ps2_protocol
--echo #
--echo # MDEV-18501 Partition pruning doesn't work for historical queries