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88 lines
2.3 KiB
Plaintext
88 lines
2.3 KiB
Plaintext
-- source include/have_query_cache.inc
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#
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# QUERY CACHE options for VIEWs
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#
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--disable_warnings
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drop table if exists t1,t2,v1,v2,v3;
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drop view if exists t1,t2,v1,v2,v3;
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--enable_warnings
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set GLOBAL query_cache_size=1355776;
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flush status;
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create table t1 (a int, b int);
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# queries with following views should not be in query cache
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create view v1 (c,d) as select sql_no_cache a,b from t1;
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create view v2 (c,d) as select a+rand(),b 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 v1;
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select * from v2;
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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 v1;
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select * from v2;
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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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drop view v1,v2;
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# SQL_CACHE option
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set query_cache_type=demand;
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flush status;
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# query with view will be cached, but direct acess to table will not
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create view v1 (c,d) as select sql_cache a,b 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 v1;
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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 * from v1;
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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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drop view v1;
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set query_cache_type=default;
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drop table t1;
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#
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# invalidation of view
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#
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create table t1 (a int);
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insert into t1 values (1), (2), (3);
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create view v1 as select a from t1 where a > 1;
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select * from v1;
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alter view v1 as select a from t1 where a > 2;
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select * from v1;
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drop view v1;
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-- error 1146
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select * from v1;
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drop table t1;
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#
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# join view with QC
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#
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create table t1 (a int, primary key (a), b int);
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create table t2 (a int, primary key (a), b int);
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insert into t2 values (1000, 2000);
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create view v3 (a,b) as select t1.a as a, t2.a as b from t1, t2;
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select * from v3;
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drop view v3;
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drop table t1, t2;
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set GLOBAL query_cache_size=default;
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