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MDEV-30032: EXPLAIN FORMAT=JSON output: print costs

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Basic printout for join and table execution costs.
This commit is contained in:
Sergei Petrunia
2022-11-19 21:00:23 +03:00
parent 657868f5e7
commit ffe0beca25
91 changed files with 3441 additions and 18 deletions
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2
mysql-test/main/intersect.test
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@ -23,6 +23,7 @@ insert into t3 values (1,1),(2,2),(5,5);
EXPLAIN (select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);
EXPLAIN extended (select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);
EXPLAIN extended select * from ((select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3)) a;
--source include/explain-no-costs.inc
EXPLAIN format=json (select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);
--source include/analyze-format.inc
ANALYZE format=json (select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);
@ -43,6 +44,7 @@ EXPLAIN (select a,b from t1) intersect (select c,e from t2,t3);
EXPLAIN extended (select a,b from t1) intersect (select c,e from t2,t3);
EXPLAIN extended select * from ((select a,b from t1) intersect (select c,e from t2,t3)) a;
set @@optimizer_switch='optimize_join_buffer_size=off';
--source include/explain-no-costs.inc
EXPLAIN format=json (select a,b from t1) intersect (select c,e from t2,t3);
--source include/analyze-format.inc
ANALYZE format=json (select a,b from t1) intersect (select c,e from t2,t3);