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Made join_cache_level == 2 by default.
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@@ -10,7 +10,14 @@ drop table if exists t0,t1,t2,t3,t4,t5;
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SET @save_optimizer_switch=@@optimizer_switch;
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SET optimizer_switch=ifnull(@optimizer_switch_for_join_outer_test,'outer_join_with_cache=off');
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if (`select @join_cache_level_for_join_outer_test is null`)
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{
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set join_cache_level=1;
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}
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if (`select @join_cache_level_for_join_outer_test is not null`)
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{
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set join_cache_level=@join_cache_level_for_join_outer_test;
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}
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CREATE TABLE t1 (
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grp int(11) default NULL,
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