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Viewing changes to mysql-test/r/bench_count_distinct.result

  • Committer: brian
  • Date: 2008-06-25 05:29:13 UTC
  • Revision ID: brian@localhost.localdomain-20080625052913-6upwo0jsrl4lnapl
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mysql-test/r/bench_count_distinct.result
 
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drop table if exists t1;
 
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create table t1(n int not null, key(n)) delay_key_write = 1;
 
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select count(distinct n) from t1;
 
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count(distinct n)
 
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100
 
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explain extended select count(distinct n) from t1;
 
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id      select_type     table   type    possible_keys   key     key_len ref     rows    filtered        Extra
 
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1       SIMPLE  t1      index   NULL    n       4       NULL    200     100.00  Using index
 
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Warnings:
 
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Note    1003    select count(distinct "test"."t1"."n") AS "count(distinct n)" from "test"."t1"
 
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drop table t1;