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体验新版 GitCode,发现更多精彩内容 >>
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e1f01529
编写于
3月 20, 2019
作者:
C
chertus
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电子邮件补丁
差异文件
rename functions & add comment
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ef2d77f9
变更
1
隐藏空白更改
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并排
Showing
1 changed file
with
9 addition
and
7 deletion
+9
-7
dbms/src/Interpreters/Join.cpp
dbms/src/Interpreters/Join.cpp
+9
-7
未找到文件。
dbms/src/Interpreters/Join.cpp
浏览文件 @
e1f01529
...
...
@@ -516,8 +516,10 @@ namespace
}
}
/// Joins right table columns which indexes are present in right_indexes using specified map.
/// Makes filter (1 if row presented in right table) and returns offsets to replicate (for ALL JOINS).
template
<
ASTTableJoin
::
Kind
KIND
,
ASTTableJoin
::
Strictness
STRICTNESS
,
typename
KeyGetter
,
typename
Map
,
bool
has_null_map
>
std
::
unique_ptr
<
IColumn
::
Offsets
>
NO_INLINE
joinRightIndexColumns
(
std
::
unique_ptr
<
IColumn
::
Offsets
>
NO_INLINE
joinRightIndex
ed
Columns
(
const
Map
&
map
,
size_t
rows
,
KeyGetter
&
key_getter
,
MutableColumns
&
added_columns
,
ConstNullMapPtr
null_map
,
IColumn
::
Filter
&
filter
,
const
std
::
vector
<
size_t
>
&
right_indexes
)
...
...
@@ -560,7 +562,7 @@ namespace
}
template
<
ASTTableJoin
::
Kind
KIND
,
ASTTableJoin
::
Strictness
STRICTNESS
,
typename
KeyGetter
,
typename
Map
>
IColumn
::
Filter
joinRight
Index
(
IColumn
::
Filter
joinRight
Columns
(
const
Map
&
map
,
size_t
rows
,
const
ColumnRawPtrs
&
key_columns
,
const
Sizes
&
key_sizes
,
MutableColumns
&
added_columns
,
ConstNullMapPtr
null_map
,
const
std
::
vector
<
size_t
>
&
right_indexes
,
std
::
unique_ptr
<
IColumn
::
Offsets
>
&
offsets_to_replicate
)
...
...
@@ -569,17 +571,17 @@ namespace
KeyGetter
key_getter
(
key_columns
,
key_sizes
,
nullptr
);
if
(
null_map
)
offsets_to_replicate
=
joinRightIndexColumns
<
KIND
,
STRICTNESS
,
KeyGetter
,
Map
,
true
>
(
offsets_to_replicate
=
joinRightIndex
ed
Columns
<
KIND
,
STRICTNESS
,
KeyGetter
,
Map
,
true
>
(
map
,
rows
,
key_getter
,
added_columns
,
null_map
,
filter
,
right_indexes
);
else
offsets_to_replicate
=
joinRightIndexColumns
<
KIND
,
STRICTNESS
,
KeyGetter
,
Map
,
false
>
(
offsets_to_replicate
=
joinRightIndex
ed
Columns
<
KIND
,
STRICTNESS
,
KeyGetter
,
Map
,
false
>
(
map
,
rows
,
key_getter
,
added_columns
,
null_map
,
filter
,
right_indexes
);
return
filter
;
}
template
<
ASTTableJoin
::
Kind
KIND
,
ASTTableJoin
::
Strictness
STRICTNESS
,
typename
Maps
>
IColumn
::
Filter
switchJoinRight
Index
(
IColumn
::
Filter
switchJoinRight
Columns
(
Join
::
Type
type
,
const
Maps
&
maps_
,
size_t
rows
,
const
ColumnRawPtrs
&
key_columns
,
const
Sizes
&
key_sizes
,
MutableColumns
&
added_columns
,
ConstNullMapPtr
null_map
,
const
std
::
vector
<
size_t
>
&
right_indexes
,
...
...
@@ -589,7 +591,7 @@ namespace
{
#define M(TYPE) \
case Join::Type::TYPE: \
return joinRight
Index
<KIND, STRICTNESS, typename KeyGetterForType<Join::Type::TYPE, const std::remove_reference_t<decltype(*maps_.TYPE)>>::Type>(\
return joinRight
Columns
<KIND, STRICTNESS, typename KeyGetterForType<Join::Type::TYPE, const std::remove_reference_t<decltype(*maps_.TYPE)>>::Type>(\
*maps_.TYPE, rows, key_columns, key_sizes, added_columns, null_map, right_indexes, offsets_to_replicate);
APPLY_FOR_JOIN_VARIANTS
(
M
)
#undef M
...
...
@@ -716,7 +718,7 @@ void Join::joinBlockImpl(
std
::
unique_ptr
<
IColumn
::
Offsets
>
offsets_to_replicate
;
IColumn
::
Filter
filter
=
switchJoinRight
Index
<
KIND
,
STRICTNESS
>
(
IColumn
::
Filter
filter
=
switchJoinRight
Columns
<
KIND
,
STRICTNESS
>
(
type
,
maps_
,
block
.
rows
(),
key_columns
,
key_sizes
,
added
.
columns
,
null_map
,
right_indexes
,
offsets_to_replicate
);
for
(
size_t
i
=
0
;
i
<
added
.
columns
.
size
();
++
i
)
...
...
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