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体验新版 GitCode,发现更多精彩内容 >>
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757c37c0
编写于
3月 08, 2020
作者:
A
Alexey Milovidov
浏览文件
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浏览文件
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电子邮件补丁
差异文件
Support for NULL as random seed; reordered parameters for convenience
上级
609aef26
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
15 addition
and
7 deletion
+15
-7
dbms/src/Storages/StorageGenerateRandom.cpp
dbms/src/Storages/StorageGenerateRandom.cpp
+7
-3
dbms/src/TableFunctions/TableFunctionGenerateRandom.cpp
dbms/src/TableFunctions/TableFunctionGenerateRandom.cpp
+8
-4
未找到文件。
dbms/src/Storages/StorageGenerateRandom.cpp
浏览文件 @
757c37c0
...
...
@@ -376,13 +376,17 @@ void registerStorageGenerateRandom(StorageFactory & factory)
UInt64
max_array_length
=
10
;
if
(
engine_args
.
size
()
>=
1
)
random_seed
=
engine_args
[
0
]
->
as
<
ASTLiteral
&>
().
value
.
safeGet
<
UInt64
>
();
{
const
Field
&
value
=
engine_args
[
0
]
->
as
<
const
ASTLiteral
&>
().
value
;
if
(
!
value
.
isNull
())
random_seed
=
value
.
safeGet
<
UInt64
>
();
}
if
(
engine_args
.
size
()
>=
2
)
max_string_length
=
engine_args
[
1
]
->
as
<
ASTLiteral
&>
().
value
.
safeGet
<
UInt64
>
();
max_string_length
=
engine_args
[
1
]
->
as
<
const
ASTLiteral
&>
().
value
.
safeGet
<
UInt64
>
();
if
(
engine_args
.
size
()
==
3
)
max_array_length
=
engine_args
[
2
]
->
as
<
ASTLiteral
&>
().
value
.
safeGet
<
UInt64
>
();
max_array_length
=
engine_args
[
2
]
->
as
<
const
ASTLiteral
&>
().
value
.
safeGet
<
UInt64
>
();
return
StorageGenerateRandom
::
create
(
args
.
table_id
,
args
.
columns
,
max_array_length
,
max_string_length
,
random_seed
);
...
...
dbms/src/TableFunctions/TableFunctionGenerateRandom.cpp
浏览文件 @
757c37c0
...
...
@@ -45,20 +45,24 @@ StoragePtr TableFunctionGenerateRandom::executeImpl(const ASTPtr & ast_function,
ErrorCodes
::
NUMBER_OF_ARGUMENTS_DOESNT_MATCH
);
/// Parsing first argument as table structure and creating a sample block
std
::
string
structure
=
args
[
0
]
->
as
<
ASTLiteral
&>
().
value
.
safeGet
<
String
>
();
std
::
string
structure
=
args
[
0
]
->
as
<
const
ASTLiteral
&>
().
value
.
safeGet
<
String
>
();
UInt64
max_string_length
=
10
;
UInt64
max_array_length
=
10
;
std
::
optional
<
UInt64
>
random_seed
=
0
;
// zero for random
if
(
args
.
size
()
>=
2
)
random_seed
=
args
[
1
]
->
as
<
ASTLiteral
&>
().
value
.
safeGet
<
UInt64
>
();
{
const
Field
&
value
=
args
[
1
]
->
as
<
const
ASTLiteral
&>
().
value
;
if
(
!
value
.
isNull
())
random_seed
=
value
.
safeGet
<
UInt64
>
();
}
if
(
args
.
size
()
>=
3
)
max_string_length
=
args
[
2
]
->
as
<
ASTLiteral
&>
().
value
.
safeGet
<
UInt64
>
();
max_string_length
=
args
[
2
]
->
as
<
const
ASTLiteral
&>
().
value
.
safeGet
<
UInt64
>
();
if
(
args
.
size
()
==
4
)
max_array_length
=
args
[
3
]
->
as
<
ASTLiteral
&>
().
value
.
safeGet
<
UInt64
>
();
max_array_length
=
args
[
3
]
->
as
<
const
ASTLiteral
&>
().
value
.
safeGet
<
UInt64
>
();
ColumnsDescription
columns
=
parseColumnsListFromString
(
structure
,
context
);
...
...
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