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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
2022-11-19 21:00:23 +03:00
parent 657868f5e7
commit ffe0beca25
91 changed files with 3441 additions and 18 deletions

View File

@ -11,6 +11,7 @@ insert into t2 values (2,2),(3,3);
EXPLAIN (select a,b from t1) except (select c,d from t2);
EXPLAIN extended (select a,b from t1) except (select c,d from t2);
EXPLAIN extended select * from ((select a,b from t1) except (select c,d from t2)) a;
--source include/analyze-format.inc
EXPLAIN format=json (select a,b from t1) except (select c,d from t2);
--source include/analyze-format.inc
@ -43,6 +44,7 @@ insert into t4 values (4,4),(7,7);
EXPLAIN (select a,b,e,f from t1,t3) except (select c,d,g,h from t2,t4);
EXPLAIN (select a,b,e,f from t1,t3) except (select c,d,g,h from t2,t4);
EXPLAIN extended select * from ((select a,b,e,f from t1,t3) except (select c,d,g,h from t2,t4)) a;
--source include/analyze-format.inc
EXPLAIN format=json (select a,b,e,f from t1,t3) except (select c,d,g,h from t2,t4);
--source include/analyze-format.inc