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847c2823
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体验新版 GitCode,发现更多精彩内容 >>
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847c2823
编写于
2月 05, 2021
作者:
H
Haojun Liao
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
[TD-225] fix bugs in stddev query processing.
上级
be19f211
变更
5
隐藏空白更改
内联
并排
Showing
5 changed file
with
212 addition
and
24 deletion
+212
-24
src/client/src/tscSQLParser.c
src/client/src/tscSQLParser.c
+0
-1
src/client/src/tscSubquery.c
src/client/src/tscSubquery.c
+66
-12
src/query/inc/qExecutor.h
src/query/inc/qExecutor.h
+2
-1
src/query/src/qAggMain.c
src/query/src/qAggMain.c
+92
-1
src/query/src/qExecutor.c
src/query/src/qExecutor.c
+52
-9
未找到文件。
src/client/src/tscSQLParser.c
浏览文件 @
847c2823
...
...
@@ -2970,7 +2970,6 @@ int32_t parseGroupbyClause(SQueryInfo* pQueryInfo, SArray* pList, SSqlCmd* pCmd)
STableMeta
*
pTableMeta
=
NULL
;
SSchema
*
pSchema
=
NULL
;
// SSchema s = tGetTbnameColumnSchema();
int32_t
tableIndex
=
COLUMN_INDEX_INITIAL_VAL
;
...
...
src/client/src/tscSubquery.c
浏览文件 @
847c2823
...
...
@@ -1878,14 +1878,31 @@ void doAppendData(SInterResult* pInterResult, TAOS_ROW row, int32_t numOfCols, S
}
}
static
void
destroySup
(
SFirstRoundQuerySup
*
pSup
)
{
taosArrayDestroyEx
(
pSup
->
pResult
,
freeInterResult
);
taosArrayDestroy
(
pSup
->
pColsInfo
);
tfree
(
pSup
);
}
void
tscFirstRoundRetrieveCallback
(
void
*
param
,
TAOS_RES
*
tres
,
int
numOfRows
)
{
SSqlObj
*
pSql
=
(
SSqlObj
*
)
tres
;
SSqlRes
*
pRes
=
&
pSql
->
res
;
SFirstRoundQuerySup
*
pSup
=
param
;
SQueryInfo
*
pQueryInfo
=
tscGetQueryInfoDetail
(
&
pSql
->
cmd
,
0
);
if
(
numOfRows
>
0
)
{
SSqlObj
*
pParent
=
pSup
->
pParent
;
SQueryInfo
*
pQueryInfo
=
tscGetQueryInfoDetail
(
&
pSql
->
cmd
,
0
);
int32_t
code
=
taos_errno
(
pSql
);
if
(
code
!=
TSDB_CODE_SUCCESS
)
{
destroySup
(
pSup
);
taos_free_result
(
pSql
);
pParent
->
res
.
code
=
code
;
tscAsyncResultOnError
(
pParent
);
return
;
}
if
(
numOfRows
>
0
)
{
// the number is not correct for group by column in super table query
TAOS_ROW
row
=
NULL
;
int32_t
numOfCols
=
taos_field_count
(
tres
);
...
...
@@ -1895,6 +1912,7 @@ void tscFirstRoundRetrieveCallback(void* param, TAOS_RES* tres, int numOfRows) {
while
((
row
=
taos_fetch_row
(
tres
))
!=
NULL
)
{
doAppendData
(
&
interResult
,
row
,
numOfCols
,
pQueryInfo
);
pSup
->
numOfRows
+=
1
;
}
}
else
{
// tagLen > 0
char
*
p
=
calloc
(
1
,
pSup
->
tagLen
);
...
...
@@ -1906,7 +1924,9 @@ void tscFirstRoundRetrieveCallback(void* param, TAOS_RES* tres, int numOfRows) {
int32_t
offset
=
0
;
for
(
int32_t
i
=
0
;
i
<
numOfCols
&&
offset
<
pSup
->
tagLen
;
++
i
)
{
SSqlExpr
*
pExpr
=
tscSqlExprGet
(
pQueryInfo
,
i
);
if
(
TSDB_COL_IS_TAG
(
pExpr
->
colInfo
.
flag
))
{
// tag or group by column
if
(
TSDB_COL_IS_TAG
(
pExpr
->
colInfo
.
flag
)
||
pExpr
->
functionId
==
TSDB_FUNC_PRJ
)
{
memcpy
(
p
+
offset
,
row
[
i
],
length
[
i
]);
offset
+=
pExpr
->
resBytes
;
}
...
...
@@ -1935,20 +1955,20 @@ void tscFirstRoundRetrieveCallback(void* param, TAOS_RES* tres, int numOfRows) {
taosArrayPush
(
pSup
->
pResult
,
&
interResult
);
doAppendData
(
&
interResult
,
row
,
numOfCols
,
pQueryInfo
);
}
pSup
->
numOfRows
+=
1
;
}
tfree
(
p
);
}
}
pSup
->
numOfRows
+=
numOfRows
;
if
(
!
pRes
->
completed
)
{
taos_fetch_rows_a
(
tres
,
tscFirstRoundRetrieveCallback
,
param
);
return
;
}
// set the parameters for the second round query process
SSqlObj
*
pParent
=
pSup
->
pParent
;
SSqlCmd
*
pPCmd
=
&
pParent
->
cmd
;
SQueryInfo
*
pQueryInfo1
=
tscGetQueryInfoDetail
(
pPCmd
,
0
);
...
...
@@ -1974,9 +1994,19 @@ void tscFirstRoundRetrieveCallback(void* param, TAOS_RES* tres, int numOfRows) {
}
void
tscFirstRoundCallback
(
void
*
param
,
TAOS_RES
*
tres
,
int
code
)
{
int32_t
c
=
taos_errno
(
tres
);
SFirstRoundQuerySup
*
pSup
=
(
SFirstRoundQuerySup
*
)
param
;
SSqlObj
*
pSql
=
(
SSqlObj
*
)
tres
;
int32_t
c
=
taos_errno
(
pSql
);
if
(
c
!=
TSDB_CODE_SUCCESS
)
{
// TODO HANDLE ERROR
SSqlObj
*
parent
=
pSup
->
pParent
;
destroySup
(
pSup
);
taos_free_result
(
pSql
);
parent
->
res
.
code
=
code
;
tscAsyncResultOnError
(
parent
);
return
;
}
taos_fetch_rows_a
(
tres
,
tscFirstRoundRetrieveCallback
,
param
);
...
...
@@ -2010,13 +2040,13 @@ int32_t tscHandleFirstRoundStableQuery(SSqlObj *pSql) {
pNewQueryInfo
->
groupbyExpr
.
columnInfo
=
taosArrayDup
(
pQueryInfo
->
groupbyExpr
.
columnInfo
);
if
(
pNewQueryInfo
->
groupbyExpr
.
columnInfo
==
NULL
)
{
terrno
=
TSDB_CODE_TSC_OUT_OF_MEMORY
;
//
goto _error;
goto
_error
;
}
}
if
(
tscTagCondCopy
(
&
pNewQueryInfo
->
tagCond
,
&
pQueryInfo
->
tagCond
)
!=
0
)
{
terrno
=
TSDB_CODE_TSC_OUT_OF_MEMORY
;
//
goto _error;
goto
_error
;
}
pNewQueryInfo
->
interval
=
pQueryInfo
->
interval
;
...
...
@@ -2027,7 +2057,6 @@ int32_t tscHandleFirstRoundStableQuery(SSqlObj *pSql) {
int32_t
numOfExprs
=
(
int32_t
)
tscSqlExprNumOfExprs
(
pQueryInfo
);
int32_t
index
=
0
;
int32_t
numOfTags
=
0
;
for
(
int32_t
i
=
0
;
i
<
numOfExprs
;
++
i
)
{
SSqlExpr
*
pExpr
=
tscSqlExprGet
(
pQueryInfo
,
i
);
if
(
pExpr
->
functionId
==
TSDB_FUNC_TS
&&
pQueryInfo
->
interval
.
interval
>
0
)
{
...
...
@@ -2060,7 +2089,25 @@ int32_t tscHandleFirstRoundStableQuery(SSqlObj *pSql) {
SSqlExpr
*
p
=
tscAddFuncInSelectClause
(
pNewQueryInfo
,
index
++
,
TSDB_FUNC_TAG
,
&
colIndex
,
schema
,
TSDB_COL_TAG
);
p
->
resColId
=
pExpr
->
resColId
;
numOfTags
+=
1
;
}
else
if
(
pExpr
->
functionId
==
TSDB_FUNC_PRJ
)
{
int32_t
num
=
taosArrayGetSize
(
pNewQueryInfo
->
groupbyExpr
.
columnInfo
);
for
(
int32_t
k
=
0
;
k
<
num
;
++
k
)
{
SColIndex
*
pIndex
=
taosArrayGet
(
pNewQueryInfo
->
groupbyExpr
.
columnInfo
,
k
);
if
(
pExpr
->
colInfo
.
colId
==
pIndex
->
colId
)
{
pSup
->
tagLen
+=
pExpr
->
resBytes
;
taosArrayPush
(
pSup
->
pColsInfo
,
&
pExpr
->
resColId
);
SColumnIndex
colIndex
=
{.
tableIndex
=
0
,
.
columnIndex
=
pIndex
->
colIndex
};
SSchema
*
schema
=
tscGetColumnSchemaById
(
pTableMetaInfo1
->
pTableMeta
,
pExpr
->
colInfo
.
colId
);
//doLimitOutputNormalColOfGroupby
SSqlExpr
*
p
=
tscAddFuncInSelectClause
(
pNewQueryInfo
,
index
++
,
TSDB_FUNC_PRJ
,
&
colIndex
,
schema
,
TSDB_COL_NORMAL
);
p
->
numOfParams
=
1
;
p
->
param
[
0
].
i64
=
1
;
p
->
param
[
0
].
nType
=
TSDB_DATA_TYPE_INT
;
p
->
resColId
=
pExpr
->
resColId
;
// update the result column id
}
}
}
}
...
...
@@ -2077,6 +2124,13 @@ int32_t tscHandleFirstRoundStableQuery(SSqlObj *pSql) {
tscHandleMasterSTableQuery
(
pNew
);
return
TSDB_CODE_SUCCESS
;
_error:
destroySup
(
pSup
);
taos_free_result
(
pNew
);
pSql
->
res
.
code
=
terrno
;
tscAsyncResultOnError
(
pSql
);
return
terrno
;
}
int32_t
tscHandleMasterSTableQuery
(
SSqlObj
*
pSql
)
{
...
...
@@ -2118,7 +2172,7 @@ int32_t tscHandleMasterSTableQuery(SSqlObj *pSql) {
tfree
(
pMemoryBuf
);
return
ret
;
}
tscDebug
(
"%p retrieved query data from %d vnode(s)"
,
pSql
,
pState
->
numOfSub
);
pSql
->
pSubs
=
calloc
(
pState
->
numOfSub
,
POINTER_BYTES
);
if
(
pSql
->
pSubs
==
NULL
)
{
...
...
src/query/inc/qExecutor.h
浏览文件 @
847c2823
...
...
@@ -235,7 +235,8 @@ typedef struct SQueryRuntimeEnv {
bool
hasTagResults
;
// if there are tag values in final result or not
bool
timeWindowInterpo
;
// if the time window start/end required interpolation
bool
queryWindowIdentical
;
// all query time windows are identical for all tables in one group
bool
queryBlockDist
;
// if query data block distribution
bool
queryBlockDist
;
// if query data block distribution
bool
stabledev
;
// super table stddev query
int32_t
interBufSize
;
// intermediate buffer sizse
int32_t
prevGroupId
;
// previous executed group id
SDiskbasedResultBuf
*
pResultBuf
;
// query result buffer based on blocked-wised disk file
...
...
src/query/src/qAggMain.c
浏览文件 @
847c2823
...
...
@@ -1630,6 +1630,97 @@ static void stddev_dst_function(SQLFunctionCtx *pCtx) {
memcpy
(
pCtx
->
pOutput
,
GET_ROWCELL_INTERBUF
(
GET_RES_INFO
(
pCtx
)),
sizeof
(
SAvgInfo
));
}
static
void
stddev_dst_function_f
(
SQLFunctionCtx
*
pCtx
,
int32_t
index
)
{
void
*
pData
=
GET_INPUT_DATA
(
pCtx
,
index
);
if
(
pCtx
->
hasNull
&&
isNull
(
pData
,
pCtx
->
inputType
))
{
return
;
}
// the second stage to calculate standard deviation
SStddevdstInfo
*
pStd
=
GET_ROWCELL_INTERBUF
(
GET_RES_INFO
(
pCtx
));
double
*
retVal
=
&
pStd
->
res
;
// all data are null, no need to proceed
SArray
*
resList
=
(
SArray
*
)
pCtx
->
param
[
0
].
pz
;
if
(
resList
==
NULL
)
{
return
;
}
// find the correct group average results according to the tag value
int32_t
len
=
(
int32_t
)
taosArrayGetSize
(
resList
);
assert
(
len
>
0
);
double
avg
=
0
;
if
(
len
==
1
)
{
SResPair
*
p
=
taosArrayGet
(
resList
,
0
);
avg
=
p
->
avg
;
}
else
{
// todo opt performance by using iterator since the timestamp lsit is matched with the output result
SResPair
*
p
=
bsearch
(
&
pCtx
->
startTs
,
resList
->
pData
,
len
,
sizeof
(
SResPair
),
tsCompare
);
assert
(
p
!=
NULL
);
avg
=
p
->
avg
;
}
int32_t
num
=
0
;
switch
(
pCtx
->
inputType
)
{
case
TSDB_DATA_TYPE_INT
:
{
for
(
int32_t
i
=
0
;
i
<
pCtx
->
size
;
++
i
)
{
if
(
pCtx
->
hasNull
&&
isNull
((
const
char
*
)
(
&
((
int32_t
*
)
pData
)[
i
]),
pCtx
->
inputType
))
{
continue
;
}
num
+=
1
;
*
retVal
+=
POW2
(((
int32_t
*
)
pData
)[
i
]
-
avg
);
}
break
;
}
case
TSDB_DATA_TYPE_FLOAT
:
{
LOOP_STDDEV_IMPL
(
float
,
*
retVal
,
pData
,
pCtx
,
avg
,
pCtx
->
inputType
,
num
);
break
;
}
case
TSDB_DATA_TYPE_DOUBLE
:
{
LOOP_STDDEV_IMPL
(
double
,
*
retVal
,
pData
,
pCtx
,
avg
,
pCtx
->
inputType
,
num
);
break
;
}
case
TSDB_DATA_TYPE_TINYINT
:
{
LOOP_STDDEV_IMPL
(
int8_t
,
*
retVal
,
pData
,
pCtx
,
avg
,
pCtx
->
inputType
,
num
);
break
;
}
case
TSDB_DATA_TYPE_UTINYINT
:
{
LOOP_STDDEV_IMPL
(
int8_t
,
*
retVal
,
pData
,
pCtx
,
avg
,
pCtx
->
inputType
,
num
);
break
;
}
case
TSDB_DATA_TYPE_SMALLINT
:
{
LOOP_STDDEV_IMPL
(
int16_t
,
*
retVal
,
pData
,
pCtx
,
avg
,
pCtx
->
inputType
,
num
);
break
;
}
case
TSDB_DATA_TYPE_USMALLINT
:
{
LOOP_STDDEV_IMPL
(
uint16_t
,
*
retVal
,
pData
,
pCtx
,
avg
,
pCtx
->
inputType
,
num
);
break
;
}
case
TSDB_DATA_TYPE_UINT
:
{
LOOP_STDDEV_IMPL
(
uint32_t
,
*
retVal
,
pData
,
pCtx
,
avg
,
pCtx
->
inputType
,
num
);
break
;
}
case
TSDB_DATA_TYPE_BIGINT
:
{
LOOP_STDDEV_IMPL
(
int64_t
,
*
retVal
,
pData
,
pCtx
,
avg
,
pCtx
->
inputType
,
num
);
break
;
}
case
TSDB_DATA_TYPE_UBIGINT
:
{
LOOP_STDDEV_IMPL
(
uint64_t
,
*
retVal
,
pData
,
pCtx
,
avg
,
pCtx
->
inputType
,
num
);
break
;
}
default:
qError
(
"stddev function not support data type:%d"
,
pCtx
->
inputType
);
}
pStd
->
num
+=
num
;
SET_VAL
(
pCtx
,
num
,
1
);
// copy to the final output buffer for super table
memcpy
(
pCtx
->
pOutput
,
GET_ROWCELL_INTERBUF
(
GET_RES_INFO
(
pCtx
)),
sizeof
(
SAvgInfo
));
}
static
void
stddev_dst_merge
(
SQLFunctionCtx
*
pCtx
)
{
SResultRowCellInfo
*
pResInfo
=
GET_RES_INFO
(
pCtx
);
SStddevdstInfo
*
pRes
=
GET_ROWCELL_INTERBUF
(
pResInfo
);
...
...
@@ -4835,7 +4926,7 @@ SAggFunctionInfo aAggs[] = {{
TSDB_FUNCSTATE_SO
|
TSDB_FUNCSTATE_STABLE
,
function_setup
,
stddev_dst_function
,
noop2
,
stddev_dst_function_f
,
no_next_step
,
stddev_dst_finalizer
,
stddev_dst_merge
,
...
...
src/query/src/qExecutor.c
浏览文件 @
847c2823
...
...
@@ -280,6 +280,17 @@ bool isGroupbyColumn(SSqlGroupbyExpr *pGroupbyExpr) {
return
false
;
}
bool
isStabledev
(
SQuery
*
pQuery
)
{
for
(
int32_t
i
=
0
;
i
<
pQuery
->
numOfOutput
;
++
i
)
{
int32_t
functId
=
pQuery
->
pExpr1
[
i
].
base
.
functionId
;
if
(
functId
==
TSDB_FUNC_STDDEV_DST
)
{
return
true
;
}
}
return
false
;
}
int16_t
getGroupbyColumnType
(
SQuery
*
pQuery
,
SSqlGroupbyExpr
*
pGroupbyExpr
)
{
assert
(
pGroupbyExpr
!=
NULL
);
...
...
@@ -1637,8 +1648,9 @@ static void rowwiseApplyFunctions(SQueryRuntimeEnv *pRuntimeEnv, SDataStatis *pS
pWindowResInfo
->
curIndex
=
index
;
}
else
{
// other queries
// decide which group this rows belongs to according to current state value
char
*
val
=
NULL
;
if
(
groupbyColumnValue
)
{
char
*
val
=
groupbyColumnData
+
bytes
*
offset
;
val
=
groupbyColumnData
+
bytes
*
offset
;
if
(
isNull
(
val
,
type
))
{
// ignore the null value
continue
;
}
...
...
@@ -1649,6 +1661,34 @@ static void rowwiseApplyFunctions(SQueryRuntimeEnv *pRuntimeEnv, SDataStatis *pS
}
}
if
(
pRuntimeEnv
->
stabledev
)
{
for
(
int32_t
k
=
0
;
k
<
pQuery
->
numOfOutput
;
++
k
)
{
int32_t
functionId
=
pQuery
->
pExpr1
[
k
].
base
.
functionId
;
if
(
functionId
!=
TSDB_FUNC_STDDEV_DST
)
{
continue
;
}
pRuntimeEnv
->
pCtx
[
k
].
param
[
0
].
arr
=
NULL
;
pRuntimeEnv
->
pCtx
[
k
].
param
[
0
].
nType
=
TSDB_DATA_TYPE_INT
;
// avoid freeing the memory by setting the type to be int
// todo opt perf
int32_t
numOfGroup
=
(
int32_t
)
taosArrayGetSize
(
pRuntimeEnv
->
prevResult
);
for
(
int32_t
i
=
0
;
i
<
numOfGroup
;
++
i
)
{
SInterResult
*
p
=
taosArrayGet
(
pRuntimeEnv
->
prevResult
,
i
);
if
(
memcmp
(
p
->
tags
,
val
,
bytes
)
==
0
)
{
int32_t
numOfCols
=
(
int32_t
)
taosArrayGetSize
(
p
->
pResult
);
for
(
int32_t
f
=
0
;
f
<
numOfCols
;
++
f
)
{
SStddevInterResult
*
pres
=
taosArrayGet
(
p
->
pResult
,
f
);
if
(
pres
->
colId
==
pQuery
->
pExpr1
[
k
].
base
.
colInfo
.
colId
)
{
pRuntimeEnv
->
pCtx
[
k
].
param
[
0
].
arr
=
pres
->
pResult
;
break
;
}
}
}
}
}
}
for
(
int32_t
k
=
0
;
k
<
pQuery
->
numOfOutput
;
++
k
)
{
int32_t
functionId
=
pQuery
->
pExpr1
[
k
].
base
.
functionId
;
if
(
functionNeedToExecute
(
pRuntimeEnv
,
&
pCtx
[
k
],
functionId
))
{
...
...
@@ -3799,7 +3839,7 @@ int32_t setTimestampListJoinInfo(SQInfo *pQInfo, STableQueryInfo *pTableQueryInf
int32_t
setParamValue
(
SQueryRuntimeEnv
*
pRuntimeEnv
)
{
SQuery
*
pQuery
=
pRuntimeEnv
->
pQuery
;
if
(
pRuntimeEnv
->
prevResult
==
NULL
)
{
if
(
pRuntimeEnv
->
prevResult
==
NULL
||
pRuntimeEnv
->
groupbyColumn
)
{
return
TSDB_CODE_SUCCESS
;
}
...
...
@@ -4602,6 +4642,7 @@ int32_t doInitQInfo(SQInfo *pQInfo, STSBuf *pTsBuf, SArray* prevResult, void *ts
pRuntimeEnv
->
stableQuery
=
isSTableQuery
;
pRuntimeEnv
->
prevGroupId
=
INT32_MIN
;
pRuntimeEnv
->
groupbyColumn
=
isGroupbyColumn
(
pQuery
->
pGroupbyExpr
);
pRuntimeEnv
->
stabledev
=
isStabledev
(
pQuery
);
if
(
pTsBuf
!=
NULL
)
{
int16_t
order
=
(
pQuery
->
order
.
order
==
pRuntimeEnv
->
pTsBuf
->
tsOrder
)
?
TSDB_ORDER_ASC
:
TSDB_ORDER_DESC
;
...
...
@@ -4701,13 +4742,6 @@ static FORCE_INLINE void setEnvForEachBlock(SQInfo* pQInfo, STableQueryInfo* pTa
setTimestampListJoinInfo
(
pQInfo
,
pTableQueryInfo
);
}
for
(
int32_t
i
=
0
;
i
<
pQuery
->
numOfOutput
;
++
i
)
{
if
(
pQuery
->
pExpr1
[
i
].
base
.
functionId
==
TSDB_FUNC_STDDEV_DST
)
{
setParamValue
(
pRuntimeEnv
);
break
;
}
}
if
(
QUERY_IS_INTERVAL_QUERY
(
pQuery
))
{
setIntervalQueryRange
(
pQInfo
,
pBlockInfo
->
window
.
skey
);
}
else
{
// non-interval query
...
...
@@ -4761,6 +4795,15 @@ static int64_t scanMultiTableDataBlocks(SQInfo *pQInfo) {
setEnvForEachBlock
(
pQInfo
,
*
pTableQueryInfo
,
&
blockInfo
);
}
if
(
pRuntimeEnv
->
stabledev
)
{
for
(
int32_t
i
=
0
;
i
<
pQuery
->
numOfOutput
;
++
i
)
{
if
(
pQuery
->
pExpr1
[
i
].
base
.
functionId
==
TSDB_FUNC_STDDEV_DST
)
{
setParamValue
(
pRuntimeEnv
);
break
;
}
}
}
uint32_t
status
=
0
;
SDataStatis
*
pStatis
=
NULL
;
SArray
*
pDataBlock
=
NULL
;
...
...
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