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71 lines
2.1 KiB
Plaintext
71 lines
2.1 KiB
Plaintext
# Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 2 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
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# Tests for PERFORMANCE_SCHEMA
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# This test verifies that performance schema tables, because they contain
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# data that is volatile, are never cached in the query cache.
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--source include/have_query_cache.inc
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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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--enable_warnings
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create table t1 (a int not null);
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insert into t1 values (1), (2), (3);
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SET GLOBAL query_cache_size=1355776;
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flush query cache;
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reset query cache;
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# Reset Qcache_* to a known state
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flush status;
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select * from t1;
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show status like "Qcache_queries_in_cache";
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show status like "Qcache_inserts";
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show status like "Qcache_hits";
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select * from t1;
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show status like "Qcache_queries_in_cache";
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show status like "Qcache_inserts";
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show status like "Qcache_hits";
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select spins from performance_schema.EVENTS_WAITS_CURRENT order by event_name limit 1;
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select name from performance_schema.SETUP_INSTRUMENTS order by name limit 1;
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show status like "Qcache_queries_in_cache";
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show status like "Qcache_inserts";
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show status like "Qcache_hits";
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select spins from performance_schema.EVENTS_WAITS_CURRENT order by event_name limit 1;
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select name from performance_schema.SETUP_INSTRUMENTS order by name limit 1;
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show status like "Qcache_queries_in_cache";
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show status like "Qcache_inserts";
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show status like "Qcache_hits";
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SET GLOBAL query_cache_size= default;
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drop table t1;
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