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TDengine
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8a280292
TDengine
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体验新版 GitCode,发现更多精彩内容 >>
提交
8a280292
编写于
5月 30, 2020
作者:
H
Hongze Cheng
浏览文件
操作
浏览文件
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电子邮件补丁
差异文件
add KV data row builder
上级
8c7100e8
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
84 addition
and
0 deletion
+84
-0
src/common/inc/tdataformat.h
src/common/inc/tdataformat.h
+16
-0
src/common/src/tdataformat.c
src/common/src/tdataformat.c
+68
-0
未找到文件。
src/common/inc/tdataformat.h
浏览文件 @
8a280292
...
...
@@ -267,6 +267,22 @@ static FORCE_INLINE void *tdGetKVRowDataOfCol(SKVDataRow row, int16_t colId) {
return
kvDataRowColVal
(
row
,
(
SColIdx
*
)
ret
);
}
// ----------------- K-V data row builder
typedef
struct
{
int16_t
tCols
;
int16_t
nCols
;
SColIdx
*
pColIdx
;
int16_t
alloc
;
int16_t
size
;
void
*
buf
;
}
SKVDataRowBuilder
;
int
tdInitKVDataRowBuilder
(
SKVDataRowBuilder
*
pBuilder
);
void
tdDestroyKVDataRowBuilder
(
SKVDataRowBuilder
*
pBuilder
);
void
tdResetKVDataRowBuilder
(
SKVDataRowBuilder
*
pBuilder
);
SKVDataRow
tdGetKVDataRowFromBuilder
(
SKVDataRowBuilder
*
pBuilder
);
int
tdAddColToKVDataRow
(
SKVDataRowBuilder
*
pBuilder
,
int16_t
colId
,
int8_t
type
,
void
*
value
);
// ----------------- Tag row structure
/* A tag row, the format is like below:
...
...
src/common/src/tdataformat.c
浏览文件 @
8a280292
...
...
@@ -679,4 +679,72 @@ void *tdEncodeKVDataRow(void *buf, SKVDataRow row) {
void
*
tdDecodeKVDataRow
(
void
*
buf
,
SKVDataRow
*
row
)
{
*
row
=
tdKVDataRowDup
(
buf
);
return
POINTER_SHIFT
(
buf
,
kvDataRowLen
(
*
row
));
}
int
tdInitKVDataRowBuilder
(
SKVDataRowBuilder
*
pBuilder
)
{
pBuilder
->
tCols
=
128
;
pBuilder
->
nCols
=
0
;
pBuilder
->
pColIdx
=
(
SColIdx
*
)
malloc
(
sizeof
(
SColIdx
)
*
pBuilder
->
tCols
);
if
(
pBuilder
->
pColIdx
==
NULL
)
return
-
1
;
pBuilder
->
alloc
=
1024
;
pBuilder
->
size
=
0
;
pBuilder
->
buf
=
malloc
(
pBuilder
->
alloc
);
if
(
pBuilder
->
buf
==
NULL
)
{
free
(
pBuilder
->
pColIdx
);
return
-
1
;
}
return
0
;
}
void
tdDestroyKVDataRowBuilder
(
SKVDataRowBuilder
*
pBuilder
)
{
tfree
(
pBuilder
->
pColIdx
);
tfree
(
pBuilder
->
buf
);
}
void
tdResetKVDataRowBuilder
(
SKVDataRowBuilder
*
pBuilder
)
{
pBuilder
->
nCols
=
0
;
pBuilder
->
size
=
0
;
}
SKVDataRow
tdGetKVDataRowFromBuilder
(
SKVDataRowBuilder
*
pBuilder
)
{
int
tlen
=
sizeof
(
SColIdx
)
*
pBuilder
->
nCols
+
pBuilder
->
size
;
if
(
tlen
==
0
)
return
NULL
;
SKVDataRow
row
=
malloc
(
TD_KV_DATA_ROW_HEAD_SIZE
+
tlen
);
if
(
row
==
NULL
)
return
NULL
;
kvDataRowSetNCols
(
row
,
pBuilder
->
nCols
);
kvDataRowSetLen
(
row
,
TD_KV_DATA_ROW_HEAD_SIZE
+
tlen
);
memcpy
(
kvDataRowColIdx
(
row
),
pBuilder
->
pColIdx
,
sizeof
(
SColIdx
)
*
pBuilder
->
nCols
);
memcpy
(
kvDataRowValues
(
row
),
pBuilder
->
buf
,
pBuilder
->
size
);
return
row
;
}
int
tdAddColToKVDataRow
(
SKVDataRowBuilder
*
pBuilder
,
int16_t
colId
,
int8_t
type
,
void
*
value
)
{
ASSERT
(
pBuilder
->
nCols
==
0
||
colId
>
pBuilder
->
pColIdx
[
pBuilder
->
nCols
-
1
].
colId
);
if
(
pBuilder
->
nCols
>=
pBuilder
->
tCols
)
{
pBuilder
->
tCols
*=
2
;
pBuilder
->
pColIdx
=
realloc
(
pBuilder
->
pColIdx
,
sizeof
(
SColIdx
)
*
pBuilder
->
tCols
);
if
(
pBuilder
->
pColIdx
==
NULL
)
return
-
1
;
}
pBuilder
->
pColIdx
[
pBuilder
->
nCols
].
colId
=
colId
;
pBuilder
->
pColIdx
[
pBuilder
->
nCols
].
offset
=
pBuilder
->
size
;
pBuilder
->
nCols
++
;
int
tlen
=
IS_VAR_DATA_TYPE
(
type
)
?
varDataTLen
(
value
)
:
TYPE_BYTES
[
type
];
if
(
tlen
>
pBuilder
->
alloc
-
pBuilder
->
size
)
{
pBuilder
->
alloc
*=
2
;
pBuilder
->
buf
=
realloc
(
pBuilder
->
buf
,
pBuilder
->
alloc
);
if
(
pBuilder
->
buf
==
NULL
)
return
-
1
;
}
memcpy
(
POINTER_SHIFT
(
pBuilder
->
buf
,
pBuilder
->
size
),
value
,
tlen
);
pBuilder
->
size
+=
tlen
;
return
0
;
}
\ No newline at end of file
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