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41 lines
1.3 KiB
Text
41 lines
1.3 KiB
Text
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# Tests for special content of performance_schema.threads
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#
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# The feature INSERT DELAYED (supported by MyISAM,MEMORY,ARCHIVE,BLACKHOLE)
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# causes that a "delayed_insert" thread shows up as soon as the first
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# INSERT DELAYED was issued.
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--source include/not_embedded.inc
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--source include/have_perfschema.inc
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--disable_warnings
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DROP TABLE IF EXISTS t1;
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DROP TEMPORARY TABLE IF EXISTS t2;
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--enable_warnings
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CREATE TABLE t1 (f1 BIGINT) ENGINE = MyISAM;
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CREATE TEMPORARY TABLE t2 AS
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SELECT thread_id FROM performance_schema.threads WHERE 1 = 2;
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# Reveal that the delayed_insert thread does not exist.
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# Note(mleich): This expectation is probably not all time true.
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SELECT COUNT(*) = 0 AS expect_1 FROM performance_schema.threads
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WHERE name = 'thread/sql/delayed_insert';
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INSERT INTO t2 SELECT thread_id
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FROM performance_schema.threads;
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let $wait_condition= SELECT COUNT(*) = 1 AS expect_0 FROM performance_schema.threads
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WHERE name = 'thread/sql/delayed_insert';
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INSERT DELAYED INTO t1 SET f1 = SLEEP(3);
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--source include/wait_condition.inc
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# Expect to get
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# thread/sql/delayed_insert FOREGROUND YES root localhost
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SELECT name, type, instrumented, processlist_user, processlist_host
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FROM performance_schema.threads
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WHERE thread_id NOT IN (SELECT thread_id FROM t2);
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DROP TABLE t1;
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DROP TEMPORARY TABLE t2;
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