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cac69bba06
--big-tables --large-page-size --storage-engine performance_schema.setup_timers (WL#10986)
60 lines
1.5 KiB
Text
60 lines
1.5 KiB
Text
# 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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set @save_query_cache_size=@@query_cache_size;
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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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flush global status;
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--disable_ps2_protocol
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--disable_cursor_protocol
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select * from t1;
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--enable_cursor_protocol
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show global status like "Qcache_queries_in_cache";
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show global status like "Qcache_inserts";
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show global status like "Qcache_hits";
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--disable_cursor_protocol
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select * from t1;
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--enable_cursor_protocol
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show global status like "Qcache_queries_in_cache";
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show global status like "Qcache_inserts";
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show global 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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show global status like "Qcache_queries_in_cache";
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show global status like "Qcache_inserts";
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show global 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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--enable_ps2_protocol
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show global status like "Qcache_queries_in_cache";
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show global status like "Qcache_inserts";
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show global status like "Qcache_hits";
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SET GLOBAL query_cache_size=@save_query_cache_size;
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drop table t1;
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flush global status;
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