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MDEV-30032: EXPLAIN FORMAT=JSON output: print costs
Basic printout for join and table execution costs.
This commit is contained in:
Sergei Petrunia
@ -118,6 +118,7 @@ send select count(*) from t1 where a < 100000;
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connection default;
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--source include/wait_condition.inc
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--source include/explain-no-costs.inc
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evalp show explain FORMAT=JSON for $thr2;
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connection con1;
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reap;
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@ -126,6 +127,7 @@ reap;
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send select max(c) from t1 where a < 10;
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connection default;
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--source include/wait_condition.inc
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--source include/explain-no-costs.inc
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evalp explain FORMAT=JSON for connection $thr2;
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connection con1;
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reap;
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@ -134,6 +136,7 @@ reap;
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send select max(c) from t1 where a < 10;
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connection default;
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--source include/wait_condition.inc
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--source include/explain-no-costs.inc
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evalp explain format=JSON for connection $thr2;
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connection con1;
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reap;
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@ -145,6 +148,7 @@ set optimizer_switch='index_condition_pushdown=on,mrr=on,mrr_sort_keys=on';
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send explain select max(c) from t1 where a < 10;
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connection default;
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--source include/wait_condition.inc
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--source include/explain-no-costs.inc
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evalp show explain format=json for $thr2;
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connection con1;
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reap;
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@ -153,6 +157,7 @@ reap;
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send explain select max(c) from t1 where a < 10;
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connection default;
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--source include/wait_condition.inc
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--source include/explain-no-costs.inc
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evalp explain format=JSON for connection $thr2;
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connection con1;
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reap;
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@ -165,6 +170,7 @@ SET debug_dbug='+d,show_explain_probe_join_exec_start';
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send explain select a from t0 A union select a+1 from t0 B;
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connection default;
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--source include/wait_condition.inc
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--source include/explain-no-costs.inc
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evalp show explain format = JSON for $thr2;
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connection con1;
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reap;
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@ -177,6 +183,7 @@ SET debug_dbug='+d,show_explain_probe_join_exec_start';
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send explain select a from t0 A union select a+1 from t0 B;
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connection default;
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--source include/wait_condition.inc
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--source include/explain-no-costs.inc
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evalp show explain format=JSON for $thr2;
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connection con1;
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reap;
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@ -234,6 +241,7 @@ SET debug_dbug='+d,show_explain_probe_join_exec_start';
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send select a, (select max(a) from t0 b where b.a+a.a<10) from t0 a where a<1;
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connection default;
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--source include/wait_condition.inc
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--source include/explain-no-costs.inc
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evalp show explain format=JSON for $thr2;
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connection con1;
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reap;
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@ -245,6 +253,7 @@ SET debug_dbug='+d,show_explain_probe_join_exec_start';
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send select a, (select max(a) from t0 b where b.a+a.a<10) from t0 a where a<1;
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connection default;
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--source include/wait_condition.inc
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--source include/explain-no-costs.inc
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evalp show explain format=JSON for $thr2;
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connection con1;
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reap;
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@ -256,6 +265,7 @@ SET debug_dbug='+d,show_explain_probe_join_exec_end';
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send select a, (select max(a) from t0 b where b.a+a.a<10) from t0 a where a<1;
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connection default;
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--source include/wait_condition.inc
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--source include/explain-no-costs.inc
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evalp show explain format=JSON for $thr2;
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connection con1;
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reap;
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@ -293,8 +303,10 @@ SET debug_dbug='+d,show_explain_probe_join_exec_start';
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send update t2 set dummy=0 where (select max(a) from t0 where t2.a + t0.a <3) >3 ;
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connection default;
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--source include/wait_condition.inc
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--source include/explain-no-costs.inc
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evalp show explain format=JSON for $thr2;
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--source include/wait_condition.inc
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--source include/explain-no-costs.inc
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evalp show explain format=JSON for $thr2;
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connection con1;
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reap;
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@ -308,8 +320,10 @@ SET debug_dbug='+d,show_explain_probe_join_exec_start';
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send update t2 set dummy=0 where (select max(a) from t0 where t2.a + t0.a <3) >3 ;
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connection default;
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--source include/wait_condition.inc
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--source include/explain-no-costs.inc
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evalp explain format=JSON for connection $thr2;
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--source include/wait_condition.inc
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--source include/explain-no-costs.inc
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evalp explain format=JSON for connection $thr2;
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connection con1;
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reap;
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@ -326,8 +340,10 @@ SET debug_dbug='+d,show_explain_probe_join_exec_start';
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send delete from t2 where (select max(a) from t0 where t2.a + t0.a <3) >3 ;
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connection default;
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--source include/wait_condition.inc
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--source include/explain-no-costs.inc
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evalp show explain format=JSON for $thr2;
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--source include/wait_condition.inc
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--source include/explain-no-costs.inc
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evalp show explain format=JSON for $thr2;
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connection con1;
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reap;
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@ -343,8 +359,10 @@ SET debug_dbug='+d,show_explain_probe_join_exec_start';
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send delete from t2 where (select max(a) from t0 where t2.a + t0.a <3) >3 ;
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connection default;
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--source include/wait_condition.inc
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--source include/explain-no-costs.inc
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evalp explain format=JSON for connection $thr2;
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--source include/wait_condition.inc
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--source include/explain-no-costs.inc
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evalp explain format=JSON for connection $thr2;
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connection con1;
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reap;
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@ -360,10 +378,13 @@ SET debug_dbug='+d,show_explain_probe_join_exec_start';
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send select t2.a, ((select max(a) from t0 where t2.a + t0.a <3) >3) as SUBQ from t2;
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connection default;
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--source include/wait_condition.inc
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--source include/explain-no-costs.inc
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evalp show explain format=json for $thr2;
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--source include/wait_condition.inc
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--source include/explain-no-costs.inc
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evalp show explain format=json for $thr2;
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--source include/wait_condition.inc
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--source include/explain-no-costs.inc
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evalp show explain format=json for $thr2;
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connection con1;
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reap;
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@ -380,10 +401,13 @@ SET debug_dbug='+d,show_explain_probe_join_exec_start';
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send select t2.a, ((select max(a) from t0 where t2.a + t0.a <3) >3) as SUBQ from t2;
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connection default;
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--source include/wait_condition.inc
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--source include/explain-no-costs.inc
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evalp explain format=JSON for connection $thr2;
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--source include/wait_condition.inc
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--source include/explain-no-costs.inc
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evalp explain format=JSON for connection $thr2;
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--source include/wait_condition.inc
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--source include/explain-no-costs.inc
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evalp explain format=JSON for connection $thr2;
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connection con1;
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reap;
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@ -400,6 +424,7 @@ set @show_explain_probe_select_id=1;
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send select * from t0 order by a;
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connection default;
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--source include/wait_condition.inc
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--source include/explain-no-costs.inc
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evalp show explain format=json for $thr2;
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connection con1;
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reap;
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@ -417,6 +442,7 @@ set @show_explain_probe_select_id=1;
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send select distinct a from t0;
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connection default;
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--source include/wait_condition.inc
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--source include/explain-no-costs.inc
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evalp show explain format=json for $thr2;
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connection con1;
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reap;
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@ -435,6 +461,7 @@ set @show_explain_probe_select_id=1;
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send select distinct a from t0;
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connection default;
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--source include/wait_condition.inc
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--source include/explain-no-costs.inc
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evalp show explain format=json for $thr2;
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connection con1;
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reap;
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@ -461,6 +488,7 @@ select * from t0 where length('
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connection default;
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set names utf8;
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--source include/wait_condition.inc
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--source include/explain-no-costs.inc
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evalp show explain format=JSON for $thr2;
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set names default;
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