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f9e80a8e
TDengine
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体验新版 GitCode,发现更多精彩内容 >>
提交
f9e80a8e
编写于
6月 27, 2022
作者:
G
Ganlin Zhao
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
fix(query): add mode function
上级
51510908
变更
3
隐藏空白更改
内联
并排
Showing
3 changed file
with
104 addition
and
12 deletion
+104
-12
include/util/taoserror.h
include/util/taoserror.h
+2
-2
source/libs/function/src/builtins.c
source/libs/function/src/builtins.c
+4
-4
source/libs/function/src/builtinsimpl.c
source/libs/function/src/builtinsimpl.c
+98
-6
未找到文件。
include/util/taoserror.h
浏览文件 @
f9e80a8e
...
...
@@ -25,7 +25,7 @@ extern "C" {
// clang-format off
#define TAOS_DEF_ERROR_CODE(mod, code) ((int32_t)((0x80000000 | ((mod)<<16) | (code))))
#define TAOS_SYSTEM_ERROR(code) (0x80ff0000 | (code))
#define TAOS_SUCCEEDED(err) ((err) >= 0)
#define TAOS_FAILED(err) ((err) < 0)
...
...
@@ -35,7 +35,7 @@ const char* terrstr();
int32_t
*
taosGetErrno
();
#define terrno (*taosGetErrno())
#define TSDB_CODE_SUCCESS 0
#define TSDB_CODE_FAILED -1 // unknown or needn't tell detail error
...
...
source/libs/function/src/builtins.c
浏览文件 @
f9e80a8e
...
...
@@ -2130,10 +2130,10 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
.
type
=
FUNCTION_TYPE_MODE
,
.
classification
=
FUNC_MGT_AGG_FUNC
,
.
translateFunc
=
translateMode
,
.
getEnvFunc
=
get
Uniqu
eFuncEnv
,
.
initFunc
=
uniqu
eFunctionSetup
,
.
processFunc
=
uniqu
eFunction
,
.
finalizeFunc
=
function
Finalize
,
.
getEnvFunc
=
get
Mod
eFuncEnv
,
.
initFunc
=
mod
eFunctionSetup
,
.
processFunc
=
mod
eFunction
,
.
finalizeFunc
=
mode
Finalize
,
},
{
.
name
=
"abs"
,
...
...
source/libs/function/src/builtinsimpl.c
浏览文件 @
f9e80a8e
...
...
@@ -32,6 +32,7 @@
#define TAIL_MAX_OFFSET 100
#define UNIQUE_MAX_RESULT_SIZE (1024 * 1024 * 10)
#define MODE_MAX_RESULT_SIZE UNIQUE_MAX_RESULT_SIZE
#define HLL_BUCKET_BITS 14 // The bits of the bucket
#define HLL_DATA_BITS (64 - HLL_BUCKET_BITS)
...
...
@@ -246,6 +247,19 @@ typedef struct SUniqueInfo {
char
pItems
[];
}
SUniqueInfo
;
typedef
struct
SModeItem
{
int64_t
count
;
char
data
[];
}
SModeItem
;
typedef
struct
SModeInfo
{
int32_t
numOfPoints
;
uint8_t
colType
;
int16_t
colBytes
;
SHashObj
*
pHash
;
char
pItems
[];
}
SModeInfo
;
typedef
struct
SDerivInfo
{
double
prevValue
;
// previous value
TSKEY
prevTs
;
// previous timestamp
...
...
@@ -4694,21 +4708,99 @@ int32_t uniqueFunction(SqlFunctionCtx* pCtx) {
return
pInfo
->
numOfPoints
;
}
int32_t
uniqueFinalize
(
SqlFunctionCtx
*
pCtx
,
SSDataBlock
*
pBlock
)
{
bool
getModeFuncEnv
(
SFunctionNode
*
pFunc
,
SFuncExecEnv
*
pEnv
)
{
pEnv
->
calcMemSize
=
sizeof
(
SModeInfo
)
+
MODE_MAX_RESULT_SIZE
;
return
true
;
}
bool
modeFunctionSetup
(
SqlFunctionCtx
*
pCtx
,
SResultRowEntryInfo
*
pResInfo
)
{
if
(
!
functionSetup
(
pCtx
,
pResInfo
))
{
return
false
;
}
SModeInfo
*
pInfo
=
GET_ROWCELL_INTERBUF
(
pResInfo
);
pInfo
->
numOfPoints
=
0
;
pInfo
->
colType
=
pCtx
->
resDataInfo
.
type
;
pInfo
->
colBytes
=
pCtx
->
resDataInfo
.
bytes
;
if
(
pInfo
->
pHash
!=
NULL
)
{
taosHashClear
(
pInfo
->
pHash
);
}
else
{
pInfo
->
pHash
=
taosHashInit
(
64
,
taosGetDefaultHashFunction
(
TSDB_DATA_TYPE_BINARY
),
true
,
HASH_NO_LOCK
);
}
return
true
;
}
static
void
doModeAdd
(
SModeInfo
*
pInfo
,
char
*
data
,
bool
isNull
)
{
// ignore null elements
if
(
isNull
)
{
return
;
}
int32_t
hashKeyBytes
=
IS_VAR_DATA_TYPE
(
pInfo
->
colType
)
?
varDataTLen
(
data
)
:
pInfo
->
colBytes
;
SModeItem
*
pHashItem
=
taosHashGet
(
pInfo
->
pHash
,
data
,
hashKeyBytes
);
if
(
pHashItem
==
NULL
)
{
int32_t
size
=
sizeof
(
SModeItem
)
+
pInfo
->
colBytes
;
SModeItem
*
pItem
=
(
SModeItem
*
)(
pInfo
->
pItems
+
pInfo
->
numOfPoints
*
size
);
memcpy
(
pItem
->
data
,
data
,
pInfo
->
colBytes
);
pItem
->
count
+=
1
;
taosHashPut
(
pInfo
->
pHash
,
data
,
hashKeyBytes
,
(
char
*
)
pItem
,
sizeof
(
SModeItem
*
));
pInfo
->
numOfPoints
++
;
}
else
{
pHashItem
->
count
+=
1
;
}
}
int32_t
modeFunction
(
SqlFunctionCtx
*
pCtx
)
{
SResultRowEntryInfo
*
pResInfo
=
GET_RES_INFO
(
pCtx
);
SUniqueInfo
*
pInfo
=
GET_ROWCELL_INTERBUF
(
pResInfo
);
SModeInfo
*
pInfo
=
GET_ROWCELL_INTERBUF
(
pResInfo
);
SInputColumnInfoData
*
pInput
=
&
pCtx
->
input
;
SColumnInfoData
*
pInputCol
=
pInput
->
pData
[
0
];
SColumnInfoData
*
pOutput
=
(
SColumnInfoData
*
)
pCtx
->
pOutput
;
int32_t
startOffset
=
pCtx
->
offset
;
for
(
int32_t
i
=
pInput
->
startRowIndex
;
i
<
pInput
->
numOfRows
+
pInput
->
startRowIndex
;
++
i
)
{
char
*
data
=
colDataGetData
(
pInputCol
,
i
);
doModeAdd
(
pInfo
,
data
,
colDataIsNull_s
(
pInputCol
,
i
));
if
(
sizeof
(
SModeInfo
)
+
pInfo
->
numOfPoints
*
(
sizeof
(
SModeItem
)
+
pInfo
->
colBytes
)
>=
MODE_MAX_RESULT_SIZE
)
{
taosHashCleanup
(
pInfo
->
pHash
);
return
TSDB_CODE_OUT_OF_MEMORY
;
}
}
return
TSDB_CODE_SUCCESS
;
}
int32_t
modeFinalize
(
SqlFunctionCtx
*
pCtx
,
SSDataBlock
*
pBlock
)
{
SResultRowEntryInfo
*
pResInfo
=
GET_RES_INFO
(
pCtx
);
SModeInfo
*
pInfo
=
GET_ROWCELL_INTERBUF
(
pResInfo
);
int32_t
slotId
=
pCtx
->
pExpr
->
base
.
resSchema
.
slotId
;
SColumnInfoData
*
pCol
=
taosArrayGet
(
pBlock
->
pDataBlock
,
slotId
);
int32_t
currentRow
=
pBlock
->
info
.
rows
;
for
(
int32_t
i
=
0
;
i
<
pResInfo
->
numOfRes
;
++
i
)
{
SUniqueItem
*
pItem
=
(
SUniqueItem
*
)(
pInfo
->
pItems
+
i
*
(
sizeof
(
SUniqueItem
)
+
pInfo
->
colBytes
));
colDataAppend
(
pCol
,
i
,
pItem
->
data
,
false
);
// TODO: handle ts output
int32_t
resIndex
;
int32_t
maxCount
=
0
;
for
(
int32_t
i
=
0
;
i
<
pInfo
->
numOfPoints
;
++
i
)
{
SModeItem
*
pItem
=
(
SModeItem
*
)(
pInfo
->
pItems
+
i
*
(
sizeof
(
SModeItem
)
+
pInfo
->
colBytes
));
if
(
pItem
->
count
>
maxCount
)
{
maxCount
=
pItem
->
count
;
resIndex
=
i
;
}
else
if
(
pItem
->
count
==
maxCount
)
{
colDataAppendNULL
(
pCol
,
currentRow
);
return
pResInfo
->
numOfRes
;
}
}
SModeItem
*
pResItem
=
(
SModeItem
*
)(
pInfo
->
pItems
+
resIndex
*
(
sizeof
(
SModeItem
)
+
pInfo
->
colBytes
));
colDataAppend
(
pCol
,
currentRow
,
pResItem
->
data
,
false
);
return
pResInfo
->
numOfRes
;
}
bool
getTwaFuncEnv
(
struct
SFunctionNode
*
pFunc
,
SFuncExecEnv
*
pEnv
)
{
pEnv
->
calcMemSize
=
sizeof
(
STwaInfo
);
return
true
;
...
...
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