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A feature of doing automatick result buffering when INSERT is
done from the select containing a table to be inserted to.
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@ -65,3 +65,34 @@ use test_$1;
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create table t1 (c int);
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insert into test_$1.t1 set test_$1.t1.c = '1';
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drop database test_$1;
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use test;
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--disable_warnings
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drop table if exists t1,t2,t3;
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--enable_warnings
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create table t1(id1 int not null auto_increment primary key, t char(12));
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create table t2(id2 int not null, t char(12));
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create table t3(id3 int not null, t char(12), index(id3));
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disable_query_log;
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let $1 = 100;
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while ($1)
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{
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let $2 = 5;
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eval insert into t1(t) values ('$1');
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while ($2)
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{
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eval insert into t2(id2,t) values ($1,'$2');
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let $3 = 10;
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while ($3)
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{
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eval insert into t3(id3,t) values ($1,'$2');
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dec $3;
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}
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dec $2;
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}
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dec $1;
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}
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enable_query_log;
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select count(*) from t2;
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insert into t2 select t1.* from t1, t2 t, t3 where t1.id1 = t.id2 and t.id2 = t3.id3;
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select count(*) from t2;
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drop table if exists t1,t2,t3;
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