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  • Committer: Stewart Smith
  • Date: 2011-01-14 05:11:45 UTC
  • mto: (2086.1.3 build)
  • mto: This revision was merged to the branch mainline in revision 2087.
  • Revision ID: stewart@flamingspork.com-20110114051145-xiputq4lvmtct377
storage engine docs. add bit about some temp table only engines.

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# Then check that we do turn off 'ref' scans in the subquery
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create table t4 (x int);
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insert into t4 select A.a + 10*B.a from t1 A CROSS JOIN t1 B;
 
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insert into t4 select A.a + 10*B.a from t1 A, t1 B;
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explain extended 
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  select a,b, oref, 
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         (a,b) in (select a,b from t1,t4 where c=t2.oref) Z