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Merge bb-10.1-explain-json into 10.1

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Sergei Petrunia
2014-12-06 20:33:25 +03:00
parent db21fddc37 eeef80d09f
commit 913b7672c5
8 changed files with 195 additions and 7 deletions
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20
mysql-test/t/explain_json.test
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@@ -2,7 +2,7 @@
# EXPLAIN FORMAT=JSON tests. These are tests developed for MariaDB.
#
--disable_warnings
drop table if exists t0,t1;
drop table if exists t0,t1,t2;
--enable_warnings
create table t0(a int);
@@ -167,6 +167,24 @@ EXPLAIN FORMAT=JSON SELECT * FROM t1 AS outer_t1 WHERE a <> ALL ( SELECT a FROM
DROP TABLE t1,t2;
--echo #
--echo # Join's constant expression
--echo #
create table t0(a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table t1(a int, b int);
insert into t1 select tbl1.a+10*tbl2.a, 1234 from t0 tbl1, t0 tbl2;
explain format=json
select * from t0
where
20000 > all (select max(tbl1.a + tbl2.a)
from t1 tbl1, t1 tbl2 where tbl1.b=tbl2.b);
drop table t1;
drop table t0;
--echo #
--echo # MDEV-7264: Assertion `0' failed in subselect_engine::get_identifier() on EXPLAIN JSON
--echo #