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体验新版 GitCode,发现更多精彩内容 >>
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dbef88e0
编写于
6月 15, 2020
作者:
N
Nikolai Kochetov
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操作
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电子邮件补丁
差异文件
Fix tests.
上级
012fb819
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
14 addition
and
27 deletion
+14
-27
src/Processors/QueryPlan/ReadFromStorageStep.cpp
src/Processors/QueryPlan/ReadFromStorageStep.cpp
+12
-27
src/Processors/QueryPlan/ReadFromStorageStep.h
src/Processors/QueryPlan/ReadFromStorageStep.h
+2
-0
未找到文件。
src/Processors/QueryPlan/ReadFromStorageStep.cpp
浏览文件 @
dbef88e0
...
...
@@ -32,32 +32,9 @@ ReadFromStorageStep::ReadFromStorageStep(
,
max_block_size
(
max_block_size_
)
,
max_streams
(
max_streams_
)
{
Block
header
=
storage
->
getSampleBlockForColumns
(
required_columns
);
/// Note: we read from storage in constructor of step because we don't know real header before reading.
/// It will be fixed when storage return QueryPlanStep itself.
if
(
query_info
.
prewhere_info
)
{
if
(
query_info
.
prewhere_info
->
alias_actions
)
header
=
ExpressionTransform
::
transformHeader
(
std
::
move
(
header
),
query_info
.
prewhere_info
->
alias_actions
);
header
=
FilterTransform
::
transformHeader
(
std
::
move
(
header
),
query_info
.
prewhere_info
->
prewhere_actions
,
query_info
.
prewhere_info
->
prewhere_column_name
,
query_info
.
prewhere_info
->
remove_prewhere_column
);
if
(
query_info
.
prewhere_info
->
remove_columns_actions
)
header
=
ExpressionTransform
::
transformHeader
(
std
::
move
(
header
),
query_info
.
prewhere_info
->
remove_columns_actions
);
}
input_streams
.
emplace_back
(
DataStream
{.
header
=
std
::
move
(
header
)});
}
ReadFromStorageStep
::~
ReadFromStorageStep
()
=
default
;
QueryPipelinePtr
ReadFromStorageStep
::
updatePipeline
(
QueryPipelines
)
{
Pipes
pipes
=
storage
->
read
(
required_columns
,
query_info
,
context
,
processing_stage
,
max_block_size
,
max_streams
);
if
(
pipes
.
empty
())
...
...
@@ -95,7 +72,7 @@ QueryPipelinePtr ReadFromStorageStep::updatePipeline(QueryPipelines)
pipe
.
getHeader
(),
input_streams
.
front
().
header
,
ConvertingTransform
::
MatchColumnsMode
::
Name
));
}
auto
pipeline
=
std
::
make_unique
<
QueryPipeline
>
();
pipeline
=
std
::
make_unique
<
QueryPipeline
>
();
/// Table lock is stored inside pipeline here.
pipeline
->
addTableLock
(
table_lock
);
...
...
@@ -148,7 +125,15 @@ QueryPipelinePtr ReadFromStorageStep::updatePipeline(QueryPipelines)
pipe
.
enableQuota
();
pipeline
->
init
(
std
::
move
(
pipes
));
return
pipeline
;
input_streams
.
emplace_back
(
DataStream
{.
header
=
pipeline
->
getHeader
()});
}
ReadFromStorageStep
::~
ReadFromStorageStep
()
=
default
;
QueryPipelinePtr
ReadFromStorageStep
::
updatePipeline
(
QueryPipelines
)
{
return
std
::
move
(
pipeline
);
}
}
src/Processors/QueryPlan/ReadFromStorageStep.h
浏览文件 @
dbef88e0
...
...
@@ -45,6 +45,8 @@ private:
QueryProcessingStage
::
Enum
processing_stage
;
size_t
max_block_size
;
size_t
max_streams
;
QueryPipelinePtr
pipeline
;
};
}
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