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Kirill Smelkov
mariadb
Commits
4da7aa55
Commit
4da7aa55
authored
Feb 17, 2015
by
Sergei Petrunia
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Add a testcase for EXPLAIN FORMAT=JSON for ROR-union index_merge.
parent
3e2849d2
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+32
-0
mysql-test/r/explain_json.result
mysql-test/r/explain_json.result
+29
-0
mysql-test/t/explain_json.test
mysql-test/t/explain_json.test
+3
-0
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mysql-test/r/explain_json.result
View file @
4da7aa55
...
@@ -148,6 +148,35 @@ EXPLAIN
...
@@ -148,6 +148,35 @@ EXPLAIN
}
}
}
}
}
}
explain format=json select * from t2 where (a1=1 and a2=1) or
(b1=2 and b2=1);
EXPLAIN
{
"query_block": {
"select_id": 1,
"table": {
"table_name": "t2",
"access_type": "index_merge",
"possible_keys": ["a1", "b1"],
"key_length": "10,10",
"index_merge": {
"union": {
"range": {
"key": "a1",
"used_key_parts": ["a1", "a2"]
},
"range": {
"key": "b1",
"used_key_parts": ["b1", "b2"]
}
}
},
"rows": 2,
"filtered": 100,
"attached_condition": "(((t2.a1 = 1) and (t2.a2 = 1)) or ((t2.b1 = 2) and (t2.b2 = 1)))"
}
}
}
# Try ref access on two key components
# Try ref access on two key components
explain format=json select * from t0,t2 where t2.b1=t0.a and t2.b2=4;
explain format=json select * from t0,t2 where t2.b1=t0.a and t2.b2=4;
EXPLAIN
EXPLAIN
...
...
mysql-test/t/explain_json.test
View file @
4da7aa55
...
@@ -34,6 +34,9 @@ explain format=json select * from t2 where a1<5;
...
@@ -34,6 +34,9 @@ explain format=json select * from t2 where a1<5;
explain
format
=
json
select
*
from
t2
where
a1
=
1
or
b1
=
2
;
explain
format
=
json
select
*
from
t2
where
a1
=
1
or
b1
=
2
;
explain
format
=
json
select
*
from
t2
where
a1
=
1
or
(
b1
=
2
and
b2
=
3
);
explain
format
=
json
select
*
from
t2
where
a1
=
1
or
(
b1
=
2
and
b2
=
3
);
explain
format
=
json
select
*
from
t2
where
(
a1
=
1
and
a2
=
1
)
or
(
b1
=
2
and
b2
=
1
);
--
echo
# Try ref access on two key components
--
echo
# Try ref access on two key components
explain
format
=
json
select
*
from
t0
,
t2
where
t2
.
b1
=
t0
.
a
and
t2
.
b2
=
4
;
explain
format
=
json
select
*
from
t0
,
t2
where
t2
.
b1
=
t0
.
a
and
t2
.
b2
=
4
;
...
...
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