Skip to content
体验新版
项目
组织
正在加载...
登录
切换导航
打开侧边栏
2dot5
ClickHouse
提交
7a87da78
C
ClickHouse
项目概览
2dot5
/
ClickHouse
通知
3
Star
0
Fork
0
代码
文件
提交
分支
Tags
贡献者
分支图
Diff
Issue
0
列表
看板
标记
里程碑
合并请求
0
DevOps
流水线
流水线任务
计划
Wiki
0
Wiki
分析
仓库
DevOps
项目成员
Pages
C
ClickHouse
项目概览
项目概览
详情
发布
仓库
仓库
文件
提交
分支
标签
贡献者
分支图
比较
Issue
0
Issue
0
列表
看板
标记
里程碑
合并请求
0
合并请求
0
Pages
DevOps
DevOps
流水线
流水线任务
计划
分析
分析
仓库分析
DevOps
Wiki
0
Wiki
成员
成员
收起侧边栏
关闭侧边栏
动态
分支图
创建新Issue
流水线任务
提交
Issue看板
体验新版 GitCode,发现更多精彩内容 >>
提交
7a87da78
编写于
9月 08, 2018
作者:
Z
zhang2014
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
ISSUES-3110 fix merge and distributed engine query stage
上级
92b2cc66
变更
28
显示空白变更内容
内联
并排
Showing
28 changed file
with
50 addition
and
86 deletion
+50
-86
dbms/src/Storages/IStorage.h
dbms/src/Storages/IStorage.h
+0
-15
dbms/src/Storages/Kafka/StorageKafka.cpp
dbms/src/Storages/Kafka/StorageKafka.cpp
+1
-2
dbms/src/Storages/StorageBuffer.cpp
dbms/src/Storages/StorageBuffer.cpp
+0
-2
dbms/src/Storages/StorageCatBoostPool.cpp
dbms/src/Storages/StorageCatBoostPool.cpp
+1
-3
dbms/src/Storages/StorageDictionary.cpp
dbms/src/Storages/StorageDictionary.cpp
+1
-2
dbms/src/Storages/StorageDistributed.cpp
dbms/src/Storages/StorageDistributed.cpp
+0
-1
dbms/src/Storages/StorageFile.cpp
dbms/src/Storages/StorageFile.cpp
+1
-2
dbms/src/Storages/StorageLog.cpp
dbms/src/Storages/StorageLog.cpp
+1
-2
dbms/src/Storages/StorageMemory.cpp
dbms/src/Storages/StorageMemory.cpp
+2
-3
dbms/src/Storages/StorageMerge.cpp
dbms/src/Storages/StorageMerge.cpp
+4
-19
dbms/src/Storages/StorageMergeTree.cpp
dbms/src/Storages/StorageMergeTree.cpp
+1
-2
dbms/src/Storages/StorageMySQL.cpp
dbms/src/Storages/StorageMySQL.cpp
+1
-2
dbms/src/Storages/StorageNull.h
dbms/src/Storages/StorageNull.h
+2
-3
dbms/src/Storages/StorageODBC.cpp
dbms/src/Storages/StorageODBC.cpp
+0
-1
dbms/src/Storages/StorageReplicatedMergeTree.cpp
dbms/src/Storages/StorageReplicatedMergeTree.cpp
+1
-2
dbms/src/Storages/StorageStripeLog.cpp
dbms/src/Storages/StorageStripeLog.cpp
+1
-2
dbms/src/Storages/StorageTinyLog.cpp
dbms/src/Storages/StorageTinyLog.cpp
+1
-2
dbms/src/Storages/StorageURL.cpp
dbms/src/Storages/StorageURL.cpp
+0
-2
dbms/src/Storages/StorageView.cpp
dbms/src/Storages/StorageView.cpp
+1
-3
dbms/src/Storages/System/IStorageSystemOneBlock.h
dbms/src/Storages/System/IStorageSystemOneBlock.h
+1
-2
dbms/src/Storages/System/StorageSystemColumns.cpp
dbms/src/Storages/System/StorageSystemColumns.cpp
+1
-2
dbms/src/Storages/System/StorageSystemNumbers.cpp
dbms/src/Storages/System/StorageSystemNumbers.cpp
+2
-3
dbms/src/Storages/System/StorageSystemOne.cpp
dbms/src/Storages/System/StorageSystemOne.cpp
+2
-3
dbms/src/Storages/System/StorageSystemPartsBase.cpp
dbms/src/Storages/System/StorageSystemPartsBase.cpp
+1
-2
dbms/src/Storages/System/StorageSystemReplicas.cpp
dbms/src/Storages/System/StorageSystemReplicas.cpp
+1
-2
dbms/src/Storages/System/StorageSystemTables.cpp
dbms/src/Storages/System/StorageSystemTables.cpp
+1
-2
dbms/tests/queries/0_stateless/00717_merge_and_distributed.reference
...queries/0_stateless/00717_merge_and_distributed.reference
+2
-0
dbms/tests/queries/0_stateless/00717_merge_and_distributed.sql
...tests/queries/0_stateless/00717_merge_and_distributed.sql
+20
-0
未找到文件。
dbms/src/Storages/IStorage.h
浏览文件 @
7a87da78
...
...
@@ -346,24 +346,9 @@ public:
/// Returns sampling expression for storage or nullptr if there is no.
virtual
ASTPtr
getSamplingExpression
()
const
{
return
nullptr
;
}
protected:
using
ITableDeclaration
::
ITableDeclaration
;
using
std
::
enable_shared_from_this
<
IStorage
>::
shared_from_this
;
void
checkQueryProcessingStage
(
QueryProcessingStage
::
Enum
processed_stage
,
const
Context
&
context
)
{
auto
expected_stage
=
getQueryProcessingStage
(
context
);
checkQueryProcessingStage
(
processed_stage
,
expected_stage
);
}
void
checkQueryProcessingStage
(
QueryProcessingStage
::
Enum
processed_stage
,
QueryProcessingStage
::
Enum
expected_stage
)
{
if
(
processed_stage
!=
expected_stage
)
throw
Exception
(
"Unexpected query processing stage for storage "
+
getName
()
+
": expected "
+
QueryProcessingStage
::
toString
(
expected_stage
)
+
", got "
+
QueryProcessingStage
::
toString
(
processed_stage
),
ErrorCodes
::
LOGICAL_ERROR
);
}
private:
friend
class
TableStructureReadLock
;
...
...
dbms/src/Storages/Kafka/StorageKafka.cpp
浏览文件 @
7a87da78
...
...
@@ -269,11 +269,10 @@ BlockInputStreams StorageKafka::read(
const
Names
&
column_names
,
const
SelectQueryInfo
&
/*query_info*/
,
const
Context
&
context
,
QueryProcessingStage
::
Enum
processed_stage
,
QueryProcessingStage
::
Enum
/*processed_stage*/
,
size_t
max_block_size
,
unsigned
num_streams
)
{
checkQueryProcessingStage
(
processed_stage
,
context
);
check
(
column_names
);
if
(
num_consumers
==
0
)
...
...
dbms/src/Storages/StorageBuffer.cpp
浏览文件 @
7a87da78
...
...
@@ -136,8 +136,6 @@ BlockInputStreams StorageBuffer::read(
size_t
max_block_size
,
unsigned
num_streams
)
{
checkQueryProcessingStage
(
processed_stage
,
context
);
BlockInputStreams
streams_from_dst
;
if
(
!
no_destination
)
...
...
dbms/src/Storages/StorageCatBoostPool.cpp
浏览文件 @
7a87da78
...
...
@@ -261,12 +261,10 @@ void StorageCatBoostPool::createSampleBlockAndColumns()
BlockInputStreams
StorageCatBoostPool
::
read
(
const
Names
&
column_names
,
const
SelectQueryInfo
&
/*query_info*/
,
const
Context
&
context
,
QueryProcessingStage
::
Enum
processed_stage
,
QueryProcessingStage
::
Enum
/*processed_stage*/
,
size_t
max_block_size
,
unsigned
/*threads*/
)
{
checkQueryProcessingStage
(
processed_stage
,
context
);
auto
stream
=
std
::
make_shared
<
CatBoostDatasetBlockInputStream
>
(
data_description_file_name
,
"TSV"
,
sample_block
,
context
,
max_block_size
);
...
...
dbms/src/Storages/StorageDictionary.cpp
浏览文件 @
7a87da78
...
...
@@ -38,11 +38,10 @@ BlockInputStreams StorageDictionary::read(
const
Names
&
column_names
,
const
SelectQueryInfo
&
/*query_info*/
,
const
Context
&
context
,
QueryProcessingStage
::
Enum
processed_stage
,
QueryProcessingStage
::
Enum
/*processed_stage*/
,
const
size_t
max_block_size
,
const
unsigned
/*threads*/
)
{
checkQueryProcessingStage
(
processed_stage
,
context
);
auto
dictionary
=
context
.
getExternalDictionaries
().
getDictionary
(
dictionary_name
);
return
BlockInputStreams
{
dictionary
->
getBlockInputStream
(
column_names
,
max_block_size
)};
}
...
...
dbms/src/Storages/StorageDistributed.cpp
浏览文件 @
7a87da78
...
...
@@ -249,7 +249,6 @@ BlockInputStreams StorageDistributed::read(
const
unsigned
/*num_streams*/
)
{
auto
cluster
=
getCluster
();
checkQueryProcessingStage
(
processed_stage
,
getQueryProcessingStage
(
context
,
cluster
));
const
Settings
&
settings
=
context
.
getSettingsRef
();
...
...
dbms/src/Storages/StorageFile.cpp
浏览文件 @
7a87da78
...
...
@@ -190,11 +190,10 @@ BlockInputStreams StorageFile::read(
const
Names
&
/*column_names*/
,
const
SelectQueryInfo
&
/*query_info*/
,
const
Context
&
context
,
QueryProcessingStage
::
Enum
processed_stage
,
QueryProcessingStage
::
Enum
/*processed_stage*/
,
size_t
max_block_size
,
unsigned
/*num_streams*/
)
{
checkQueryProcessingStage
(
processed_stage
,
context
);
return
BlockInputStreams
(
1
,
std
::
make_shared
<
StorageFileBlockInputStream
>
(
*
this
,
context
,
max_block_size
));
}
...
...
dbms/src/Storages/StorageLog.cpp
浏览文件 @
7a87da78
...
...
@@ -572,11 +572,10 @@ BlockInputStreams StorageLog::read(
const
Names
&
column_names
,
const
SelectQueryInfo
&
/*query_info*/
,
const
Context
&
context
,
QueryProcessingStage
::
Enum
processed_stage
,
QueryProcessingStage
::
Enum
/*processed_stage*/
,
size_t
max_block_size
,
unsigned
num_streams
)
{
checkQueryProcessingStage
(
processed_stage
,
context
);
check
(
column_names
);
loadMarks
();
...
...
dbms/src/Storages/StorageMemory.cpp
浏览文件 @
7a87da78
...
...
@@ -83,12 +83,11 @@ StorageMemory::StorageMemory(String table_name_, ColumnsDescription columns_desc
BlockInputStreams
StorageMemory
::
read
(
const
Names
&
column_names
,
const
SelectQueryInfo
&
/*query_info*/
,
const
Context
&
context
,
QueryProcessingStage
::
Enum
processed_stage
,
const
Context
&
/*context*/
,
QueryProcessingStage
::
Enum
/*processed_stage*/
,
size_t
/*max_block_size*/
,
unsigned
num_streams
)
{
checkQueryProcessingStage
(
processed_stage
,
context
);
check
(
column_names
);
std
::
lock_guard
<
std
::
mutex
>
lock
(
mutex
);
...
...
dbms/src/Storages/StorageMerge.cpp
浏览文件 @
7a87da78
...
...
@@ -141,7 +141,7 @@ QueryProcessingStage::Enum StorageMerge::getQueryProcessingStage(const Context &
auto
database
=
context
.
getDatabase
(
source_database
);
auto
iterator
=
database
->
getIterator
(
context
);
bool
first
=
true
;
size_t
selected_table_size
=
0
;
while
(
iterator
->
isValid
())
{
...
...
@@ -149,23 +149,14 @@ QueryProcessingStage::Enum StorageMerge::getQueryProcessingStage(const Context &
{
auto
&
table
=
iterator
->
table
();
if
(
table
.
get
()
!=
this
)
{
auto
stage
=
table
->
getQueryProcessingStage
(
context
);
if
(
first
)
stage_in_source_tables
=
stage
;
else
if
(
stage
!=
stage_in_source_tables
)
throw
Exception
(
"Source tables for Merge table are processing data up to different stages"
,
ErrorCodes
::
INCOMPATIBLE_SOURCE_TABLES
);
first
=
false
;
}
++
selected_table_size
;
}
iterator
->
next
();
}
return
stage_in_source_tables
;
auto
fetch_or_mergeable_stage
=
std
::
min
(
stage_in_source_tables
,
QueryProcessingStage
::
WithMergeableState
);
return
selected_table_size
==
1
?
stage_in_source_tables
:
fetch_or_mergeable_stage
;
}
...
...
@@ -202,12 +193,6 @@ BlockInputStreams StorageMerge::read(
for
(
const
auto
&
elem
:
selected_tables
)
{
/// Check processing stage again in case new table was added after getQueryProcessingStage call.
auto
stage
=
elem
.
first
->
getQueryProcessingStage
(
context
);
if
(
stage
!=
processed_stage
)
throw
Exception
(
"Source tables for Merge table are processing data up to different stages"
,
ErrorCodes
::
INCOMPATIBLE_SOURCE_TABLES
);
/// If PREWHERE is used in query, you need to make sure that all tables support this.
if
(
typeid_cast
<
const
ASTSelectQuery
&>
(
*
query
).
prewhere_expression
)
if
(
!
elem
.
first
->
supportsPrewhere
())
...
...
dbms/src/Storages/StorageMergeTree.cpp
浏览文件 @
7a87da78
...
...
@@ -110,11 +110,10 @@ BlockInputStreams StorageMergeTree::read(
const
Names
&
column_names
,
const
SelectQueryInfo
&
query_info
,
const
Context
&
context
,
QueryProcessingStage
::
Enum
processed_stage
,
QueryProcessingStage
::
Enum
/*processed_stage*/
,
const
size_t
max_block_size
,
const
unsigned
num_streams
)
{
checkQueryProcessingStage
(
processed_stage
,
context
);
return
reader
.
read
(
column_names
,
query_info
,
context
,
max_block_size
,
num_streams
,
0
);
}
...
...
dbms/src/Storages/StorageMySQL.cpp
浏览文件 @
7a87da78
...
...
@@ -51,12 +51,11 @@ BlockInputStreams StorageMySQL::read(
const
Names
&
column_names
,
const
SelectQueryInfo
&
query_info
,
const
Context
&
context
,
QueryProcessingStage
::
Enum
processed_stage
,
QueryProcessingStage
::
Enum
/*processed_stage*/
,
size_t
max_block_size
,
unsigned
)
{
check
(
column_names
);
checkQueryProcessingStage
(
processed_stage
,
context
);
String
query
=
transformQueryForExternalDatabase
(
*
query_info
.
query
,
getColumns
().
ordinary
,
IdentifierQuotingStyle
::
Backticks
,
remote_database_name
,
remote_table_name
,
context
);
...
...
dbms/src/Storages/StorageNull.h
浏览文件 @
7a87da78
...
...
@@ -23,12 +23,11 @@ public:
BlockInputStreams
read
(
const
Names
&
column_names
,
const
SelectQueryInfo
&
,
const
Context
&
context
,
QueryProcessingStage
::
Enum
processing_stage
,
const
Context
&
/*context*/
,
QueryProcessingStage
::
Enum
/*processing_stage*/
,
size_t
,
unsigned
)
override
{
checkQueryProcessingStage
(
processing_stage
,
context
);
return
{
std
::
make_shared
<
NullBlockInputStream
>
(
getSampleBlockForColumns
(
column_names
))
};
}
...
...
dbms/src/Storages/StorageODBC.cpp
浏览文件 @
7a87da78
...
...
@@ -80,7 +80,6 @@ BlockInputStreams StorageODBC::read(const Names & column_names,
unsigned
num_streams
)
{
check
(
column_names
);
checkQueryProcessingStage
(
processed_stage
,
context
);
odbc_bridge_helper
.
startODBCBridgeSync
();
return
IStorageURLBase
::
read
(
column_names
,
query_info
,
context
,
processed_stage
,
max_block_size
,
num_streams
);
...
...
dbms/src/Storages/StorageReplicatedMergeTree.cpp
浏览文件 @
7a87da78
...
...
@@ -2929,11 +2929,10 @@ BlockInputStreams StorageReplicatedMergeTree::read(
const
Names
&
column_names
,
const
SelectQueryInfo
&
query_info
,
const
Context
&
context
,
QueryProcessingStage
::
Enum
processed_stage
,
QueryProcessingStage
::
Enum
/*processed_stage*/
,
const
size_t
max_block_size
,
const
unsigned
num_streams
)
{
checkQueryProcessingStage
(
processed_stage
,
context
);
const
Settings
&
settings
=
context
.
getSettingsRef
();
/** The `select_sequential_consistency` setting has two meanings:
...
...
dbms/src/Storages/StorageStripeLog.cpp
浏览文件 @
7a87da78
...
...
@@ -235,11 +235,10 @@ BlockInputStreams StorageStripeLog::read(
const
Names
&
column_names
,
const
SelectQueryInfo
&
/*query_info*/
,
const
Context
&
context
,
QueryProcessingStage
::
Enum
processed_stage
,
QueryProcessingStage
::
Enum
/*processed_stage*/
,
const
size_t
/*max_block_size*/
,
unsigned
num_streams
)
{
checkQueryProcessingStage
(
processed_stage
,
context
);
std
::
shared_lock
<
std
::
shared_mutex
>
lock
(
rwlock
);
check
(
column_names
);
...
...
dbms/src/Storages/StorageTinyLog.cpp
浏览文件 @
7a87da78
...
...
@@ -384,11 +384,10 @@ BlockInputStreams StorageTinyLog::read(
const
Names
&
column_names
,
const
SelectQueryInfo
&
/*query_info*/
,
const
Context
&
context
,
QueryProcessingStage
::
Enum
processed_stage
,
QueryProcessingStage
::
Enum
/*processed_stage*/
,
const
size_t
max_block_size
,
const
unsigned
/*num_streams*/
)
{
checkQueryProcessingStage
(
processed_stage
,
context
);
check
(
column_names
);
return
BlockInputStreams
(
1
,
std
::
make_shared
<
TinyLogBlockInputStream
>
(
max_block_size
,
Nested
::
collect
(
getColumns
().
getAllPhysical
().
addTypes
(
column_names
)),
*
this
,
context
.
getSettingsRef
().
max_read_buffer_size
));
...
...
dbms/src/Storages/StorageURL.cpp
浏览文件 @
7a87da78
...
...
@@ -160,8 +160,6 @@ BlockInputStreams IStorageURLBase::read(const Names & column_names,
size_t
max_block_size
,
unsigned
/*num_streams*/
)
{
checkQueryProcessingStage
(
processed_stage
,
context
);
auto
request_uri
=
uri
;
auto
params
=
getReadURIParams
(
column_names
,
query_info
,
context
,
processed_stage
,
max_block_size
);
for
(
const
auto
&
[
param
,
value
]
:
params
)
...
...
dbms/src/Storages/StorageView.cpp
浏览文件 @
7a87da78
...
...
@@ -41,12 +41,10 @@ BlockInputStreams StorageView::read(
const
Names
&
column_names
,
const
SelectQueryInfo
&
query_info
,
const
Context
&
context
,
QueryProcessingStage
::
Enum
processed_stage
,
QueryProcessingStage
::
Enum
/*processed_stage*/
,
const
size_t
/*max_block_size*/
,
const
unsigned
/*num_streams*/
)
{
checkQueryProcessingStage
(
processed_stage
,
context
);
BlockInputStreams
res
;
ASTPtr
&
current_inner_query
=
inner_query
;
...
...
dbms/src/Storages/System/IStorageSystemOneBlock.h
浏览文件 @
7a87da78
...
...
@@ -33,12 +33,11 @@ public:
BlockInputStreams
read
(
const
Names
&
column_names
,
const
SelectQueryInfo
&
query_info
,
const
Context
&
context
,
QueryProcessingStage
::
Enum
processed_stage
,
QueryProcessingStage
::
Enum
/*processed_stage*/
,
size_t
/*max_block_size*/
,
unsigned
/*num_streams*/
)
override
{
check
(
column_names
);
checkQueryProcessingStage
(
processed_stage
,
context
);
Block
sample_block
=
getSampleBlock
();
MutableColumns
res_columns
=
sample_block
.
cloneEmptyColumns
();
...
...
dbms/src/Storages/System/StorageSystemColumns.cpp
浏览文件 @
7a87da78
...
...
@@ -198,11 +198,10 @@ BlockInputStreams StorageSystemColumns::read(
const
Names
&
column_names
,
const
SelectQueryInfo
&
query_info
,
const
Context
&
context
,
QueryProcessingStage
::
Enum
processed_stage
,
QueryProcessingStage
::
Enum
/*processed_stage*/
,
const
size_t
max_block_size
,
const
unsigned
/*num_streams*/
)
{
checkQueryProcessingStage
(
processed_stage
,
context
);
check
(
column_names
);
/// Create a mask of what columns are needed in the result.
...
...
dbms/src/Storages/System/StorageSystemNumbers.cpp
浏览文件 @
7a87da78
...
...
@@ -53,13 +53,12 @@ StorageSystemNumbers::StorageSystemNumbers(const std::string & name_, bool multi
BlockInputStreams
StorageSystemNumbers
::
read
(
const
Names
&
column_names
,
const
SelectQueryInfo
&
,
const
Context
&
context
,
QueryProcessingStage
::
Enum
processed_stage
,
const
Context
&
/*context*/
,
QueryProcessingStage
::
Enum
/*processed_stage*/
,
size_t
max_block_size
,
unsigned
num_streams
)
{
check
(
column_names
);
checkQueryProcessingStage
(
processed_stage
,
context
);
if
(
limit
&&
limit
<
max_block_size
)
{
...
...
dbms/src/Storages/System/StorageSystemOne.cpp
浏览文件 @
7a87da78
...
...
@@ -20,13 +20,12 @@ StorageSystemOne::StorageSystemOne(const std::string & name_)
BlockInputStreams
StorageSystemOne
::
read
(
const
Names
&
column_names
,
const
SelectQueryInfo
&
,
const
Context
&
context
,
QueryProcessingStage
::
Enum
processed_stage
,
const
Context
&
/*context*/
,
QueryProcessingStage
::
Enum
/*processed_stage*/
,
const
size_t
/*max_block_size*/
,
const
unsigned
/*num_streams*/
)
{
check
(
column_names
);
checkQueryProcessingStage
(
processed_stage
,
context
);
return
BlockInputStreams
(
1
,
std
::
make_shared
<
OneBlockInputStream
>
(
Block
{
ColumnWithTypeAndName
(
...
...
dbms/src/Storages/System/StorageSystemPartsBase.cpp
浏览文件 @
7a87da78
...
...
@@ -237,12 +237,11 @@ BlockInputStreams StorageSystemPartsBase::read(
const
Names
&
column_names
,
const
SelectQueryInfo
&
query_info
,
const
Context
&
context
,
QueryProcessingStage
::
Enum
processed_stage
,
QueryProcessingStage
::
Enum
/*processed_stage*/
,
const
size_t
/*max_block_size*/
,
const
unsigned
/*num_streams*/
)
{
bool
has_state_column
=
hasStateColumn
(
column_names
);
checkQueryProcessingStage
(
processed_stage
,
context
);
StoragesInfoStream
stream
(
query_info
,
context
,
has_state_column
);
...
...
dbms/src/Storages/System/StorageSystemReplicas.cpp
浏览文件 @
7a87da78
...
...
@@ -55,12 +55,11 @@ BlockInputStreams StorageSystemReplicas::read(
const
Names
&
column_names
,
const
SelectQueryInfo
&
query_info
,
const
Context
&
context
,
QueryProcessingStage
::
Enum
processed_stage
,
QueryProcessingStage
::
Enum
/*processed_stage*/
,
const
size_t
/*max_block_size*/
,
const
unsigned
/*num_streams*/
)
{
check
(
column_names
);
checkQueryProcessingStage
(
processed_stage
,
context
);
/// We collect a set of replicated tables.
std
::
map
<
String
,
std
::
map
<
String
,
StoragePtr
>>
replicated_tables
;
...
...
dbms/src/Storages/System/StorageSystemTables.cpp
浏览文件 @
7a87da78
...
...
@@ -258,11 +258,10 @@ BlockInputStreams StorageSystemTables::read(
const
Names
&
column_names
,
const
SelectQueryInfo
&
query_info
,
const
Context
&
context
,
QueryProcessingStage
::
Enum
processed_stage
,
QueryProcessingStage
::
Enum
/*processed_stage*/
,
const
size_t
max_block_size
,
const
unsigned
/*num_streams*/
)
{
checkQueryProcessingStage
(
processed_stage
,
context
);
check
(
column_names
);
/// Create a mask of what columns are needed in the result.
...
...
dbms/tests/queries/0_stateless/00717_merge_and_distributed.reference
0 → 100644
浏览文件 @
7a87da78
300
300
dbms/tests/queries/0_stateless/00717_merge_and_distributed.sql
0 → 100644
浏览文件 @
7a87da78
DROP
TABLE
IF
EXISTS
test
.
test_local_1
;
DROP
TABLE
IF
EXISTS
test
.
test_local_2
;
DROP
TABLE
IF
EXISTS
test
.
test_distributed_1
;
DROP
TABLE
IF
EXISTS
test
.
test_distributed_2
;
CREATE
TABLE
test
.
test_local_1
(
date
Date
,
value
UInt32
)
ENGINE
=
MergeTree
(
date
,
date
,
8192
);
CREATE
TABLE
test
.
test_local_2
(
date
Date
,
value
UInt32
)
ENGINE
=
MergeTree
(
date
,
date
,
8192
);
CREATE
TABLE
test
.
test_distributed_1
AS
test
.
test_local_1
ENGINE
=
Distributed
(
'test_shard_localhost'
,
'test'
,
test_local_1
,
rand
());
CREATE
TABLE
test
.
test_distributed_2
AS
test
.
test_local_2
ENGINE
=
Distributed
(
'test_shard_localhost'
,
'test'
,
test_local_2
,
rand
());
INSERT
INTO
test
.
test_local_1
VALUES
(
'2018-08-01'
,
100
);
INSERT
INTO
test
.
test_local_2
VALUES
(
'2018-08-01'
,
200
);
SELECT
sum
(
value
)
FROM
merge
(
'test'
,
'test_local_1|test_distributed_2'
);
SELECT
sum
(
value
)
FROM
merge
(
'test'
,
'test_distributed_1|test_distributed_2'
);
DROP
TABLE
IF
EXISTS
test
.
test_local_1
;
DROP
TABLE
IF
EXISTS
test
.
test_local_2
;
DROP
TABLE
IF
EXISTS
test
.
test_distributed_1
;
DROP
TABLE
IF
EXISTS
test
.
test_distributed_2
;
编辑
预览
Markdown
is supported
0%
请重试
或
添加新附件
.
添加附件
取消
You are about to add
0
people
to the discussion. Proceed with caution.
先完成此消息的编辑!
取消
想要评论请
注册
或
登录