File: show_engine_status.test

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--echo #
--echo # Bug#22844987 - SPIN ROUNDS PER WAIT WILL BE NEGATIVE IN INNODB STATUS IF SPIN WAITS > MAX32INT
--echo #

--replace_regex /\n/<EOL>/ /.*RW-shared spins[[:space:]]*([0-9]+), rounds [[:space:]]*([0-9]+),.*/\2/
--let $RW_SHARED_ROUNDS_BEFORE=`SHOW ENGINE INNODB STATUS`
--replace_regex /InnoDB[[:space:]]*//
--let $RW_SHARED_ROUNDS_BEFORE_VALUE=`SELECT '$RW_SHARED_ROUNDS_BEFORE'`

CREATE TABLE t (col1 INT);
INSERT INTO t VALUES (1), (2), (3);
SELECT * FROM t ORDER BY col1;
UPDATE t SET col1 = 42 WHERE col1 = 2;
SELECT * FROM t ORDER BY col1;
DROP TABLE t;

--replace_regex /\n/<EOL>/ /.*RW-shared spins[[:space:]]*([0-9]+), rounds [[:space:]]*([0-9]+),.*/\2/
--let $RW_SHARED_ROUNDS_AFTER=`SHOW ENGINE INNODB STATUS`
--replace_regex /InnoDB[[:space:]]*//
--let $RW_SHARED_ROUNDS_AFTER_VALUE=`SELECT '$RW_SHARED_ROUNDS_AFTER'`

if ($RW_SHARED_ROUNDS_AFTER_VALUE < $RW_SHARED_ROUNDS_BEFORE_VALUE)
{
   echo SHARED BEFORE: $RW_SHARED_ROUNDS_BEFORE_VALUE,  AFTER: $RW_SHARED_ROUNDS_AFTER_VALUE;
}