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  • Committer: Bazaar Package Importer
  • Author(s): Norbert Tretkowski
  • Date: 2010-03-17 14:56:02 UTC
  • Revision ID: james.westby@ubuntu.com-20100317145602-x7e30l1b2sb5s6w6
Tags: upstream-5.1.45
Import upstream version 5.1.45

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mysql-test/t/bench_count_distinct.test
 
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#
 
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# Test of count(distinct ..)
 
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#
 
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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(n int not null, key(n)) delay_key_write = 1;
 
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let $1=100;
 
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disable_query_log;
 
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while ($1)
 
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{
 
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 eval insert into t1 values($1);
 
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 eval insert into t1 values($1);
 
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 dec $1;
 
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}
 
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enable_query_log;
 
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select count(distinct n) from t1;
 
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explain extended select count(distinct n) from t1;
 
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drop table t1;
 
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# End of 4.1 tests