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体验新版 GitCode,发现更多精彩内容 >>
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554e4ab5
编写于
7月 25, 2019
作者:
C
chertus
浏览文件
操作
浏览文件
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电子邮件补丁
差异文件
fix cross alliasing case with JOIN ON
上级
06076e67
变更
3
隐藏空白更改
内联
并排
Showing
3 changed file
with
31 addition
and
8 deletion
+31
-8
dbms/src/Interpreters/CollectJoinOnKeysVisitor.h
dbms/src/Interpreters/CollectJoinOnKeysVisitor.h
+3
-0
dbms/tests/queries/0_stateless/00974_fix_join_on.reference
dbms/tests/queries/0_stateless/00974_fix_join_on.reference
+12
-0
dbms/tests/queries/0_stateless/00974_fix_join_on.sql
dbms/tests/queries/0_stateless/00974_fix_join_on.sql
+16
-8
未找到文件。
dbms/src/Interpreters/CollectJoinOnKeysVisitor.h
浏览文件 @
554e4ab5
...
...
@@ -110,6 +110,9 @@ private:
static
const
ASTIdentifier
*
unrollAliases
(
const
ASTIdentifier
*
identifier
,
const
Aliases
&
aliases
)
{
if
(
identifier
->
compound
())
return
identifier
;
UInt32
max_attempts
=
100
;
for
(
auto
it
=
aliases
.
find
(
identifier
->
name
);
it
!=
aliases
.
end
();)
{
...
...
dbms/tests/queries/0_stateless/00974_fix_join_on.reference
浏览文件 @
554e4ab5
...
...
@@ -12,6 +12,12 @@ y y
y y
y y
y y
2 2
2 2
2 2
2 2
2 2
2 2
2 y 2 w
2 y 2 w
2 2
...
...
@@ -26,3 +32,9 @@ y y
y y
y y
y y
2 2
2 2
2 2
2 2
2 2
2 2
dbms/tests/queries/0_stateless/00974_fix_join_on.sql
浏览文件 @
554e4ab5
...
...
@@ -10,6 +10,7 @@ insert into t1 values (1, 'x'), (2, 'y'), (3, 'z');
insert
into
t2
values
(
2
,
'w'
),
(
4
,
'y'
);
set
enable_optimize_predicate_expression
=
0
;
select
*
from
t1
join
t2
on
a
=
c
;
select
*
from
t1
join
t2
on
c
=
a
;
...
...
@@ -28,14 +29,13 @@ select b as a, d as c from t1 join t2 on c = a;
select
b
as
c
,
d
as
a
from
t1
join
t2
on
a
=
c
;
select
b
as
c
,
d
as
a
from
t1
join
t2
on
c
=
a
;
-- TODO
-- select t1.a as a, t2.c as c from t1 join t2 on a = c;
-- select t1.a as a, t2.c as c from t1 join t2 on c = a;
-- select t1.a as c, t2.c as a from t1 join t2 on a = c;
-- select t1.a as c, t2.c as a from t1 join t2 on c = a;
--
-- select t1.a as c, t2.c as a from t1 join t2 on t1.a = t2.c;
-- select t1.a as c, t2.c as a from t1 join t2 on t2.c = t1.a;
select
t1
.
a
as
a
,
t2
.
c
as
c
from
t1
join
t2
on
a
=
c
;
select
t1
.
a
as
a
,
t2
.
c
as
c
from
t1
join
t2
on
c
=
a
;
select
t1
.
a
as
c
,
t2
.
c
as
a
from
t1
join
t2
on
a
=
c
;
select
t1
.
a
as
c
,
t2
.
c
as
a
from
t1
join
t2
on
c
=
a
;
select
t1
.
a
as
c
,
t2
.
c
as
a
from
t1
join
t2
on
t1
.
a
=
t2
.
c
;
select
t1
.
a
as
c
,
t2
.
c
as
a
from
t1
join
t2
on
t2
.
c
=
t1
.
a
;
set
enable_optimize_predicate_expression
=
1
;
...
...
@@ -57,5 +57,13 @@ select b as a, d as c from t1 join t2 on c = a;
select
b
as
c
,
d
as
a
from
t1
join
t2
on
a
=
c
;
select
b
as
c
,
d
as
a
from
t1
join
t2
on
c
=
a
;
select
t1
.
a
as
a
,
t2
.
c
as
c
from
t1
join
t2
on
a
=
c
;
select
t1
.
a
as
a
,
t2
.
c
as
c
from
t1
join
t2
on
c
=
a
;
select
t1
.
a
as
c
,
t2
.
c
as
a
from
t1
join
t2
on
a
=
c
;
select
t1
.
a
as
c
,
t2
.
c
as
a
from
t1
join
t2
on
c
=
a
;
select
t1
.
a
as
c
,
t2
.
c
as
a
from
t1
join
t2
on
t1
.
a
=
t2
.
c
;
select
t1
.
a
as
c
,
t2
.
c
as
a
from
t1
join
t2
on
t2
.
c
=
t1
.
a
;
drop
table
t1
;
drop
table
t2
;
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