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93cf8e01
编写于
12月 29, 2022
作者:
L
Liu Jicong
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
fix: selectivity
上级
7721353b
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
24 addition
and
24 deletion
+24
-24
source/libs/function/src/builtinsimpl.c
source/libs/function/src/builtinsimpl.c
+24
-24
未找到文件。
source/libs/function/src/builtinsimpl.c
浏览文件 @
93cf8e01
...
...
@@ -818,28 +818,27 @@ void setSelectivityValue(SqlFunctionCtx* pCtx, SSDataBlock* pBlock, const STuple
return
;
}
if
(
pCtx
->
saveHandle
.
pBuf
!=
NULL
)
{
if
(
pTuplePos
->
pageId
!=
-
1
)
{
int32_t
numOfCols
=
pCtx
->
subsidiaries
.
num
;
const
char
*
p
=
loadTupleData
(
pCtx
,
pTuplePos
);
bool
*
nullList
=
(
bool
*
)
p
;
char
*
pStart
=
(
char
*
)(
nullList
+
numOfCols
*
sizeof
(
bool
));
// todo set the offset value to optimize the performance.
for
(
int32_t
j
=
0
;
j
<
numOfCols
;
++
j
)
{
SqlFunctionCtx
*
pc
=
pCtx
->
subsidiaries
.
pCtx
[
j
];
int32_t
dstSlotId
=
pc
->
pExpr
->
base
.
resSchema
.
slotId
;
SColumnInfoData
*
pDstCol
=
taosArrayGet
(
pBlock
->
pDataBlock
,
dstSlotId
);
ASSERT
(
pc
->
pExpr
->
base
.
resSchema
.
bytes
==
pDstCol
->
info
.
bytes
);
if
(
nullList
[
j
])
{
colDataAppendNULL
(
pDstCol
,
rowIndex
);
}
else
{
colDataAppend
(
pDstCol
,
rowIndex
,
pStart
,
false
);
}
pStart
+=
pDstCol
->
info
.
bytes
;
if
((
pCtx
->
saveHandle
.
pBuf
!=
NULL
&&
pTuplePos
->
pageId
!=
-
1
)
||
(
pCtx
->
saveHandle
.
pState
&&
pTuplePos
->
streamTupleKey
.
ts
>
0
))
{
int32_t
numOfCols
=
pCtx
->
subsidiaries
.
num
;
const
char
*
p
=
loadTupleData
(
pCtx
,
pTuplePos
);
bool
*
nullList
=
(
bool
*
)
p
;
char
*
pStart
=
(
char
*
)(
nullList
+
numOfCols
*
sizeof
(
bool
));
// todo set the offset value to optimize the performance.
for
(
int32_t
j
=
0
;
j
<
numOfCols
;
++
j
)
{
SqlFunctionCtx
*
pc
=
pCtx
->
subsidiaries
.
pCtx
[
j
];
int32_t
dstSlotId
=
pc
->
pExpr
->
base
.
resSchema
.
slotId
;
SColumnInfoData
*
pDstCol
=
taosArrayGet
(
pBlock
->
pDataBlock
,
dstSlotId
);
ASSERT
(
pc
->
pExpr
->
base
.
resSchema
.
bytes
==
pDstCol
->
info
.
bytes
);
if
(
nullList
[
j
])
{
colDataAppendNULL
(
pDstCol
,
rowIndex
);
}
else
{
colDataAppend
(
pDstCol
,
rowIndex
,
pStart
,
false
);
}
pStart
+=
pDstCol
->
info
.
bytes
;
}
}
}
...
...
@@ -2071,8 +2070,8 @@ int32_t firstFunction(SqlFunctionCtx* pCtx) {
int32_t
blockDataOrder
=
(
startKey
<=
endKey
)
?
TSDB_ORDER_ASC
:
TSDB_ORDER_DESC
;
// please ref. to the comment in lastRowFunction for the reason why disabling the opt version of last/first
function.
// we will use this opt implementation in an new version that is only available in scan subplan
// please ref. to the comment in lastRowFunction for the reason why disabling the opt version of last/first
//
function.
we will use this opt implementation in an new version that is only available in scan subplan
#if 0
if (blockDataOrder == TSDB_ORDER_ASC) {
// filter according to current result firstly
...
...
@@ -2179,7 +2178,8 @@ int32_t lastFunction(SqlFunctionCtx* pCtx) {
int32_t
blockDataOrder
=
(
startKey
<=
endKey
)
?
TSDB_ORDER_ASC
:
TSDB_ORDER_DESC
;
// please ref. to the comment in lastRowFunction for the reason why disabling the opt version of last/first function.
// please ref. to the comment in lastRowFunction for the reason why disabling the opt version of last/first
// function.
#if 0
if (blockDataOrder == TSDB_ORDER_ASC) {
for (int32_t i = pInput->numOfRows + pInput->startRowIndex - 1; i >= pInput->startRowIndex; --i) {
...
...
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