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b2db328d
编写于
5月 20, 2010
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
dbms: development.
上级
308942f9
变更
11
隐藏空白更改
内联
并排
Showing
11 changed file
with
215 addition
and
5 deletion
+215
-5
dbms/include/DB/Columns/ColumnArray.h
dbms/include/DB/Columns/ColumnArray.h
+15
-0
dbms/include/DB/Columns/ColumnConst.h
dbms/include/DB/Columns/ColumnConst.h
+7
-0
dbms/include/DB/Columns/ColumnFixedArray.h
dbms/include/DB/Columns/ColumnFixedArray.h
+17
-0
dbms/include/DB/Columns/ColumnNullable.h
dbms/include/DB/Columns/ColumnNullable.h
+19
-0
dbms/include/DB/Columns/ColumnString.h
dbms/include/DB/Columns/ColumnString.h
+24
-2
dbms/include/DB/Columns/ColumnTuple.h
dbms/include/DB/Columns/ColumnTuple.h
+16
-0
dbms/include/DB/Columns/ColumnVector.h
dbms/include/DB/Columns/ColumnVector.h
+10
-0
dbms/include/DB/Columns/IColumn.h
dbms/include/DB/Columns/IColumn.h
+18
-3
dbms/include/DB/Common/DateLUT.h
dbms/include/DB/Common/DateLUT.h
+12
-0
dbms/include/DB/Core/ErrorCodes.h
dbms/include/DB/Core/ErrorCodes.h
+3
-0
dbms/include/DB/DataTypes/DataTypeDate.h
dbms/include/DB/DataTypes/DataTypeDate.h
+74
-0
未找到文件。
dbms/include/DB/Columns/ColumnArray.h
浏览文件 @
b2db328d
...
...
@@ -71,6 +71,21 @@ public:
data
->
cut
(
nested_offset
,
nested_length
);
}
void
insert
(
const
Field
&
x
)
{
Array
&
array
=
boost
::
get
<
Array
&>
(
x
);
size_t
size
=
array
.
size
();
for
(
size_t
i
=
0
;
i
<
size
;
++
i
)
data
->
insert
(
array
[
i
]);
offsets
.
push_back
((
offsets
.
size
()
==
0
?
0
:
offsets
.
back
())
+
size
);
}
void
insertDefault
()
{
data
->
insertDefault
();
offsets
.
push_back
(
offsets
.
size
()
==
0
?
1
:
(
offsets
.
back
()
+
1
));
}
void
clear
()
{
data
->
clear
();
...
...
dbms/include/DB/Columns/ColumnConst.h
浏览文件 @
b2db328d
...
...
@@ -3,6 +3,8 @@
#include <Poco/SharedPtr.h>
#include <DB/Core/Exception.h>
#include <DB/Core/ErrorCodes.h>
#include <DB/Columns/IColumn.h>
...
...
@@ -23,6 +25,11 @@ public:
Field
operator
[](
size_t
n
)
const
{
return
data
;
}
void
cut
(
size_t
start
,
size_t
length
)
{
s
=
length
;
}
void
clear
()
{
s
=
0
;
}
void
insert
(
const
Field
&
x
)
{
throw
Exception
(
"Cannot insert element into constant column"
,
ErrorCodes
::
CANNOT_INSERT_ELEMENT_INTO_CONSTANT_COLUMN
);
}
void
insertDefault
()
{
++
s
;
}
/** Более эффективные методы манипуляции */
T
&
getData
()
{
return
data
;
}
...
...
dbms/include/DB/Columns/ColumnFixedArray.h
浏览文件 @
b2db328d
...
...
@@ -44,6 +44,23 @@ public:
data
->
cut
(
n
*
start
,
n
*
length
);
}
void
insert
(
const
Field
&
x
)
{
const
Array
&
array
=
boost
::
get
<
Array
&>
(
x
);
if
(
n
!=
array
.
size
())
throw
Exception
(
"Size of array doesn't match size of FixedArray column"
,
ErrorCodes
::
SIZE_OF_ARRAY_DOESNT_MATCH_SIZE_OF_FIXEDARRAY_COLUMN
);
for
(
size_t
i
=
0
;
i
<
n
;
++
i
)
data
->
insert
(
array
[
i
]);
}
void
insertDefault
()
{
for
(
size_t
i
=
0
;
i
<
n
;
++
i
)
data
->
insertDefault
();
}
void
clear
()
{
data
.
clear
();
...
...
dbms/include/DB/Columns/ColumnNullable.h
浏览文件 @
b2db328d
...
...
@@ -59,6 +59,25 @@ public:
data
->
cut
(
start
,
length
);
}
void
insert
(
const
Field
&
x
)
{
if
(
x
==
boost
::
none
)
{
data
->
insertDefault
();
nulls
.
push_back
(
1
);
}
else
{
data
->
insert
(
x
);
nulls
.
push_back
(
0
);
}
}
void
insertDefault
()
{
insert
(
Null
());
}
void
clear
()
{
data
.
clear
();
...
...
dbms/include/DB/Columns/ColumnString.h
浏览文件 @
b2db328d
#ifndef DBMS_CORE_COLUMN_STRING_H
#define DBMS_CORE_COLUMN_STRING_H
#include <string.h> // memcpy
#include <DB/Columns/ColumnArray.h>
#include <DB/Columns/ColumnsNumber.h>
...
...
@@ -13,20 +15,40 @@ namespace DB
*/
class
ColumnString
:
public
ColumnArray
{
private:
ColumnUInt8
::
Container_t
&
char_data
;
public:
/** Создать пустой столбец строк, с типом значений */
ColumnString
()
:
ColumnArray
(
new
ColumnUInt8
())
:
ColumnArray
(
new
ColumnUInt8
()),
char_data
(
dynamic_cast
<
ColumnUInt8
&>
(
*
data
).
getData
())
{
}
Field
operator
[](
size_t
n
)
const
{
size_t
offset
=
n
==
0
?
0
:
offsets
[
n
-
1
];
size_t
size
=
offsets
[
n
]
-
offset
;
size_t
size
=
offsets
[
n
]
-
offset
-
1
;
const
char
*
s
=
reinterpret_cast
<
const
char
*>
(
&
dynamic_cast
<
const
ColumnUInt8
&>
(
*
data
).
getData
()[
offset
]);
return
String
(
s
,
size
);
}
void
insert
(
const
Field
&
x
)
{
String
&
s
=
boost
::
get
<
String
&>
(
x
);
size_t
old_size
=
char_data
.
size
();
size_t
size_to_append
=
s
.
size
()
+
1
;
char_data
.
resize
(
old_size
+
size_to_append
);
memcpy
(
&
char_data
[
old_size
],
s
.
c_str
(),
size_to_append
);
offsets
.
push_back
((
offsets
.
size
()
==
0
?
0
:
offsets
.
back
())
+
size_to_append
);
}
void
insertDefault
()
{
char_data
.
push_back
(
0
);
offsets
.
push_back
(
offsets
.
size
()
==
0
?
1
:
(
offsets
.
back
()
+
1
));
}
};
...
...
dbms/include/DB/Columns/ColumnTuple.h
浏览文件 @
b2db328d
...
...
@@ -62,6 +62,22 @@ public:
data
[
i
]
->
cut
(
start
,
length
);
}
void
insert
(
const
Field
&
x
)
{
Array
&
arr
=
boost
::
get
<
Array
&>
(
x
);
if
(
arr
.
size
()
!=
data
.
size
())
throw
Exception
(
"Sizes of columns in tuple doesn't match"
,
ErrorCodes
::
SIZES_OF_COLUMNS_IN_TUPLE_DOESNT_MATCH
);
for
(
size_t
i
=
0
;
i
<
data
.
size
();
++
i
)
data
[
i
]
->
insert
(
arr
[
i
]);
}
void
insertDefault
()
{
for
(
size_t
i
=
0
;
i
<
data
.
size
();
++
i
)
data
[
i
]
->
insertDefault
();
}
void
clear
()
{
data
.
clear
();
...
...
dbms/include/DB/Columns/ColumnVector.h
浏览文件 @
b2db328d
...
...
@@ -50,6 +50,16 @@ public:
}
}
void
insert
(
const
Field
&
x
)
{
data
.
push_back
(
boost
::
get
<
typename
NearestFieldType
<
T
>::
Type
>
(
x
));
}
void
insertDefault
()
{
data
.
push_back
(
T
());
}
void
clear
()
{
data
.
clear
();
...
...
dbms/include/DB/Columns/IColumn.h
浏览文件 @
b2db328d
...
...
@@ -11,15 +11,30 @@ namespace DB
class
IColumn
{
public:
/** Количество значений в столбце */
/** Количество значений в столбце
.
*/
virtual
size_t
size
()
const
=
0
;
/** Получить значение n-го элемента */
/** Получить значение n-го элемента.
* Используется для преобразования из блоков в строки (например, при выводе значений в текстовый дамп)
*/
virtual
Field
operator
[](
size_t
n
)
const
=
0
;
/** Удалить всё кроме диапазона элементов */
/** Удалить всё кроме диапазона элементов.
* Используется, например, для операции LIMIT.
*/
virtual
void
cut
(
size_t
start
,
size_t
length
)
=
0
;
/** Вставить значение в конец столбца (количество значений увеличится на 1).
* Используется для преобразования из строк в блоки (например, при чтении значений из текстового дампа)
*/
virtual
void
insert
(
const
Field
&
x
)
=
0
;
/** Вставить значение "по умолчанию".
* Используется, когда нужно увеличить размер столбца, но значение не имеет смысла.
* Например, для ColumnNullable, если взведён флаг null, то соответствующее значение во вложенном столбце игнорируется.
*/
virtual
void
insertDefault
()
=
0
;
/** Очистить */
virtual
void
clear
()
=
0
;
...
...
dbms/include/DB/Common/DateLUT.h
0 → 100644
浏览文件 @
b2db328d
#ifndef DBMS_COMMON_DATE_LUT_H
#define DBMS_COMMON_DATE_LUT_H
#include <Yandex/DateLUT.h>
namespace
DB
{
typedef
Yandex
::
DateLUT
DateLUT
;
typedef
Yandex
::
DateLUTSingleton
DateLUTSingleton
;
}
#endif
dbms/include/DB/Core/ErrorCodes.h
浏览文件 @
b2db328d
...
...
@@ -25,6 +25,9 @@ namespace ErrorCodes
EMPTY_TUPLE
,
DUPLICATE_COLUMN
,
NO_SUCH_COLUMN_IN_TABLE
,
DELIMITER_IN_STRING_LITERAL_DOESNT_MATCH
,
CANNOT_INSERT_ELEMENT_INTO_CONSTANT_COLUMN
,
SIZE_OF_ARRAY_DOESNT_MATCH_SIZE_OF_FIXEDARRAY_COLUMN
,
};
}
...
...
dbms/include/DB/DataTypes/DataTypeDate.h
0 → 100644
浏览文件 @
b2db328d
#ifndef DBMS_DATA_TYPES_NUMBER_FIXED_H
#define DBMS_DATA_TYPES_NUMBER_FIXED_H
#include <Poco/DateTimeParser.h>
#include <DB/Core/Exception.h>
#include <DB/Core/ErrorCodes.h>
#include <DB/Columns/ColumnsNumber.h>
#include <DB/DataTypes/IDataTypeNumberFixed.h>
namespace
DB
{
class
DataTypeDate
:
public
IDataTypeNumberFixed
<
UInt16
,
ColumnUInt64
>
{
private:
DateLUTSingleton
&
date_lut
;
public:
DataTypeDate
()
:
date_lut
(
DateLUTSingleton
::
instance
())
{}
std
::
string
getName
()
const
{
return
"Date"
;
}
void
serializeText
(
const
Field
&
field
,
std
::
ostream
&
ostr
)
const
{
DateLUT
::
Values
&
values
=
date_lut
.
getValues
(
boost
::
get
<
UInt16
>
(
field
));
ostr
<<
values
.
year
<<
'-'
<<
values
.
month
<<
'-'
<<
values
.
day_of_month
;
}
void
deserializeText
(
Field
&
field
,
std
::
istream
&
istr
)
const
{
std
::
string
s
;
istr
>>
s
;
int
time_zone_diff
=
0
;
field
=
date_lut
.
toDayNum
(
Poco
::
DateTimeParser
::
parse
(
s
,
time_zone_diff
).
timestamp
().
epochTime
());
}
void
serializeTextEscaped
(
const
Field
&
field
,
std
::
ostream
&
ostr
)
const
{
serializeText
(
field
,
ostr
);
}
void
deserializeTextEscaped
(
Field
&
field
,
std
::
istream
&
istr
)
const
{
deserializeText
(
field
,
istr
);
}
void
serializeTextQuoted
(
const
Field
&
field
,
std
::
ostream
&
ostr
,
bool
compatible
=
false
)
const
{
ostr
<<
'\''
;
serializeText
(
field
,
ostr
);
ostr
<<
'\''
;
}
void
deserializeTextQuoted
(
Field
&
field
,
std
::
istream
&
istr
,
bool
compatible
=
false
)
const
{
char
delim
=
istr
.
peek
();
if
(
delim
==
'\''
||
delim
==
'"'
)
istr
.
ignore
();
deserializeText
(
field
,
istr
);
if
(
istr
.
get
()
!=
delim
)
throw
Exception
(
"Delimiter in string literal doesn't match"
,
ErrorCodes
::
DELIMITER_IN_STRING_LITERAL_DOESNT_MATCH
);
}
};
}
#endif
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