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体验新版 GitCode,发现更多精彩内容 >>
提交
7c927553
编写于
7月 11, 2019
作者:
S
slguan
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Processing Stream Computing Problems in Microsecond Accuracy Database
上级
fa719d5c
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
142 addition
and
111 deletion
+142
-111
src/client/inc/tsclient.h
src/client/inc/tsclient.h
+1
-0
src/client/src/tscStream.c
src/client/src/tscStream.c
+141
-111
未找到文件。
src/client/inc/tsclient.h
浏览文件 @
7c927553
...
...
@@ -334,6 +334,7 @@ typedef struct _sstream {
// stream will be closed
int64_t
interval
;
int64_t
slidingTime
;
int16_t
precision
;
void
*
pTimer
;
void
(
*
fp
)();
...
...
src/client/src/tscStream.c
浏览文件 @
7c927553
...
...
@@ -19,8 +19,8 @@
#include "ttimer.h"
#include "tutil.h"
#include "tsclient.h"
#include "tscUtil.h"
#include "tsclient.h"
#include "tscProfile.h"
...
...
@@ -40,10 +40,15 @@ static bool isProjectStream(SSqlCmd *pCmd) {
return
true
;
}
static
int64_t
tscGetRetryDelayTime
(
int64_t
slidingTime
)
{
float
RETRY_RANGE_FACTOR
=
0
.
3
;
static
int64_t
tscGetRetryDelayTime
(
int64_t
slidingTime
,
int16_t
prec
)
{
float
retryRangeFactor
=
0
.
3
;
// change to ms
if
(
prec
==
TSDB_TIME_PRECISION_MICRO
)
{
slidingTime
=
slidingTime
/
1000
;
}
int64_t
retryDelta
=
(
int64_t
)
tsStreamCompRetryDelay
*
RETRY_RANGE_FACTOR
;
int64_t
retryDelta
=
(
int64_t
)
tsStreamCompRetryDelay
*
retryRangeFactor
;
retryDelta
=
((
rand
()
%
retryDelta
)
+
tsStreamCompRetryDelay
)
*
1000L
;
if
(
slidingTime
<
retryDelta
)
{
...
...
@@ -76,8 +81,8 @@ static void tscProcessStreamLaunchQuery(SSchedMsg *pMsg) {
// failed to get meter/metric meta, retry in 10sec.
if
(
code
!=
TSDB_CODE_SUCCESS
)
{
int64_t
retryDelayTime
=
tscGetRetryDelayTime
(
pStream
->
slidingTime
);
tscError
(
"%p stream:%p,get metermeta failed, retry in %l
dms.
"
,
pStream
->
pSql
,
pStream
,
retryDelayTime
);
int64_t
retryDelayTime
=
tscGetRetryDelayTime
(
pStream
->
slidingTime
,
pStream
->
precision
);
tscError
(
"%p stream:%p,get metermeta failed, retry in %l
ldms
"
,
pStream
->
pSql
,
pStream
,
retryDelayTime
);
tscSetRetryTimer
(
pStream
,
pSql
,
retryDelayTime
);
return
;
...
...
@@ -105,7 +110,7 @@ static void tscProcessStreamTimer(void *handle, void *tmrId) {
*/
pSql
->
cmd
.
stime
=
pStream
->
stime
;
// start time
pSql
->
cmd
.
etime
=
taosGetTimestamp
Ms
(
);
// end time
pSql
->
cmd
.
etime
=
taosGetTimestamp
(
pStream
->
precision
);
// end time
if
(
pSql
->
cmd
.
etime
>
pStream
->
etime
)
{
pSql
->
cmd
.
etime
=
pStream
->
etime
;
}
...
...
@@ -126,8 +131,9 @@ static void tscProcessStreamTimer(void *handle, void *tmrId) {
static
void
tscProcessStreamQueryCallback
(
void
*
param
,
TAOS_RES
*
tres
,
int
numOfRows
)
{
SSqlStream
*
pStream
=
(
SSqlStream
*
)
param
;
if
(
tres
==
NULL
||
numOfRows
<
0
)
{
int64_t
retryDelay
=
tscGetRetryDelayTime
(
pStream
->
slidingTime
);
tscError
(
"%p stream:%p, query data failed, code:%d, retry in %ldms"
,
pStream
->
pSql
,
pStream
,
numOfRows
,
retryDelay
);
int64_t
retryDelay
=
tscGetRetryDelayTime
(
pStream
->
slidingTime
,
pStream
->
precision
);
tscError
(
"%p stream:%p, query data failed, code:%d, retry in %lldms"
,
pStream
->
pSql
,
pStream
,
numOfRows
,
retryDelay
);
tscClearSqlMetaInfoForce
(
&
(
pStream
->
pSql
->
cmd
));
tscSetRetryTimer
(
pStream
,
pStream
->
pSql
,
retryDelay
);
...
...
@@ -154,8 +160,8 @@ static void tscProcessStreamRetrieveResult(void *param, TAOS_RES *res, int numOf
SSqlObj
*
pSql
=
(
SSqlObj
*
)
res
;
if
(
pSql
==
NULL
||
numOfRows
<
0
)
{
int64_t
retryDelayTime
=
tscGetRetryDelayTime
(
pStream
->
slidingTime
);
tscError
(
"%p stream:%p, retrieve data failed, code:%d, retry in %ldms"
,
pSql
,
pStream
,
numOfRows
,
retryDelayTime
);
int64_t
retryDelayTime
=
tscGetRetryDelayTime
(
pStream
->
slidingTime
,
pStream
->
precision
);
tscError
(
"%p stream:%p, retrieve data failed, code:%d, retry in %l
l
dms"
,
pSql
,
pStream
,
numOfRows
,
retryDelayTime
);
tscClearSqlMetaInfoForce
(
&
(
pStream
->
pSql
->
cmd
));
tscSetRetryTimer
(
pStream
,
pStream
->
pSql
,
retryDelayTime
);
...
...
@@ -247,7 +253,7 @@ static void tscProcessStreamRetrieveResult(void *param, TAOS_RES *res, int numOf
static
void
tscSetRetryTimer
(
SSqlStream
*
pStream
,
SSqlObj
*
pSql
,
int64_t
timer
)
{
if
(
isProjectStream
(
&
pSql
->
cmd
))
{
int64_t
now
=
taosGetTimestamp
Ms
(
);
int64_t
now
=
taosGetTimestamp
(
pStream
->
precision
);
int64_t
etime
=
now
>
pStream
->
etime
?
pStream
->
etime
:
now
;
if
(
pStream
->
etime
<
now
&&
now
-
pStream
->
etime
>
tsMaxRetentWindow
)
{
...
...
@@ -265,11 +271,11 @@ static void tscSetRetryTimer(SSqlStream *pStream, SSqlObj *pSql, int64_t timer)
return
;
}
tscTrace
(
"%p stream:%p, next query start at %lld, in %lldms. query range %lld-%lld"
,
pStream
->
pSql
,
pStream
,
now
+
timer
,
timer
,
pStream
->
stime
,
etime
);
tscTrace
(
"%p stream:%p, next query start at %lld, in %lldms. query range %lld-%lld"
,
pStream
->
pSql
,
pStream
,
now
+
timer
,
timer
,
pStream
->
stime
,
etime
);
}
else
{
tscTrace
(
"%p stream:%p, next query start at %lld, in %lldms. query range %lld-%lld"
,
pStream
->
pSql
,
pStream
,
pStream
->
stime
,
timer
,
pStream
->
stime
-
pStream
->
interval
,
pStream
->
stime
-
1
);
tscTrace
(
"%p stream:%p, next query start at %lld, in %lldms. query range %lld-%lld"
,
pStream
->
pSql
,
pStream
,
pStream
->
stime
,
timer
,
pStream
->
stime
-
pStream
->
interval
,
pStream
->
stime
-
1
);
}
pSql
->
cmd
.
command
=
TSDB_SQL_SELECT
;
...
...
@@ -288,8 +294,8 @@ static void tscSetNextLaunchTimer(SSqlStream *pStream, SSqlObj *pSql) {
*/
timer
=
pStream
->
slidingTime
;
if
(
pStream
->
stime
>
pStream
->
etime
)
{
tscTrace
(
"%p stream:%p, stime:%lld is larger than end time: %lld, stop the stream"
,
pStream
->
pSql
,
pStream
,
pStream
->
stime
,
pStream
->
etime
);
tscTrace
(
"%p stream:%p, stime:%lld is larger than end time: %lld, stop the stream"
,
pStream
->
pSql
,
pStream
,
pStream
->
stime
,
pStream
->
etime
);
// TODO : How to terminate stream here
taos_close_stream
(
pStream
);
if
(
pStream
->
callback
)
{
...
...
@@ -301,8 +307,8 @@ static void tscSetNextLaunchTimer(SSqlStream *pStream, SSqlObj *pSql) {
}
else
{
pStream
->
stime
+=
pStream
->
slidingTime
;
if
((
pStream
->
stime
-
pStream
->
interval
)
>=
pStream
->
etime
)
{
tscTrace
(
"%p stream:%p, stime:%ld is larger than end time: %ld, stop the stream"
,
pStream
->
pSql
,
pStream
,
pStream
->
stime
,
pStream
->
etime
);
tscTrace
(
"%p stream:%p, stime:%ld is larger than end time: %ld, stop the stream"
,
pStream
->
pSql
,
pStream
,
pStream
->
stime
,
pStream
->
etime
);
// TODO : How to terminate stream here
taos_close_stream
(
pStream
);
if
(
pStream
->
callback
)
{
...
...
@@ -312,7 +318,7 @@ static void tscSetNextLaunchTimer(SSqlStream *pStream, SSqlObj *pSql) {
return
;
}
timer
=
pStream
->
stime
-
taosGetTimestamp
Sec
()
*
1000L
;
timer
=
pStream
->
stime
-
taosGetTimestamp
(
pStream
->
precision
)
;
if
(
timer
<
0
)
{
timer
=
0
;
}
...
...
@@ -320,108 +326,62 @@ static void tscSetNextLaunchTimer(SSqlStream *pStream, SSqlObj *pSql) {
int64_t
delayDelta
=
(
int64_t
)(
pStream
->
slidingTime
*
0
.
1
);
delayDelta
=
(
rand
()
%
delayDelta
);
if
(
delayDelta
>
tsMaxStreamComputDelay
)
{
delayDelta
=
tsMaxStreamComputDelay
;
int64_t
maxDelay
=
(
pStream
->
precision
==
TSDB_TIME_PRECISION_MICRO
)
?
tsMaxStreamComputDelay
*
1000L
:
tsMaxStreamComputDelay
;
if
(
delayDelta
>
maxDelay
)
{
delayDelta
=
maxDelay
;
}
timer
+=
delayDelta
;
// a random number
if
(
pStream
->
precision
==
TSDB_TIME_PRECISION_MICRO
)
{
timer
=
timer
/
1000L
;
}
tscSetRetryTimer
(
pStream
,
pSql
,
timer
);
}
TAOS_STREAM
*
taos_open_stream
(
TAOS
*
taos
,
char
*
sqlstr
,
void
(
*
fp
)(
void
*
param
,
TAOS_RES
*
,
TAOS_ROW
row
),
int64_t
stime
,
void
*
param
,
void
(
*
callback
)(
void
*
))
{
STscObj
*
pObj
=
(
STscObj
*
)
taos
;
if
(
pObj
==
NULL
||
pObj
->
signature
!=
pObj
)
return
NULL
;
SSqlObj
*
pSql
=
(
SSqlObj
*
)
calloc
(
1
,
sizeof
(
SSqlObj
));
if
(
pSql
==
NULL
)
{
if
(
tscEmbedded
)
{
tscError
(
"%p server out of memory"
,
pSql
);
pSql
->
res
.
code
=
TSDB_CODE_SERV_OUT_OF_MEMORY
;
}
else
{
tscError
(
"%p client out of memory"
,
pSql
);
pSql
->
res
.
code
=
TSDB_CODE_CLI_OUT_OF_MEMORY
;
}
return
NULL
;
}
pSql
->
signature
=
pSql
;
pSql
->
pTscObj
=
pObj
;
static
void
tscSetSlidingWindowInfo
(
SSqlObj
*
pSql
,
SSqlStream
*
pStream
)
{
SSqlCmd
*
pCmd
=
&
pSql
->
cmd
;
SSqlRes
*
pRes
=
&
pSql
->
res
;
tscAllocPayloadWithSize
(
pCmd
,
TSDB_DEFAULT_PAYLOAD_SIZE
);
int32_t
len
=
strlen
(
sqlstr
);
pSql
->
sqlstr
=
malloc
(
strlen
(
sqlstr
)
+
1
);
if
(
pSql
->
sqlstr
==
NULL
)
{
if
(
tscEmbedded
)
{
tscError
(
"%p server out of memory"
,
pSql
);
pSql
->
res
.
code
=
TSDB_CODE_SERV_OUT_OF_MEMORY
;
}
else
{
tscError
(
"%p client out of memory"
,
pSql
);
pSql
->
res
.
code
=
TSDB_CODE_CLI_OUT_OF_MEMORY
;
}
return
NULL
;
}
strcpy
(
pSql
->
sqlstr
,
sqlstr
);
pSql
->
sqlstr
[
len
]
=
0
;
sem_init
(
&
pSql
->
rspSem
,
0
,
0
);
sem_init
(
&
pSql
->
emptyRspSem
,
0
,
1
);
int64_t
minIntervalTime
=
(
pStream
->
precision
==
TSDB_TIME_PRECISION_MICRO
)
?
tsMinIntervalTime
*
1000L
:
tsMinIntervalTime
;
if
(
pCmd
->
nAggTimeInterval
<
minIntervalTime
)
{
tscWarn
(
"%p stream:%p, original sample interval:%ld too small, reset to:%lld"
,
pSql
,
pStream
,
pCmd
->
nAggTimeInterval
,
minIntervalTime
);
SSqlInfo
SQLInfo
=
{
0
};
tSQLParse
(
&
SQLInfo
,
pSql
->
sqlstr
);
pRes
->
code
=
tscToSQLCmd
(
pSql
,
&
SQLInfo
);
SQLInfoDestroy
(
&
SQLInfo
);
if
(
pRes
->
code
!=
0
)
{
tscError
(
"%p open stream failed, sql:%s, reason:%s, code:%d"
,
pSql
,
sqlstr
,
pCmd
->
payload
,
pRes
->
code
);
tscFreeSqlObj
(
pSql
);
return
NULL
;
pCmd
->
nAggTimeInterval
=
minIntervalTime
;
}
SSqlStream
*
pStream
=
(
SSqlStream
*
)
calloc
(
1
,
sizeof
(
SSqlStream
));
if
(
pStream
==
NULL
)
return
NULL
;
pStream
->
fp
=
fp
;
pStream
->
callback
=
callback
;
pStream
->
param
=
param
;
pStream
->
pSql
=
pSql
;
pStream
->
ctime
=
taosGetTimestampMs
();
pStream
->
etime
=
(
pCmd
->
etime
)
?
pCmd
->
etime
:
INT64_MAX
;
pSql
->
pStream
=
pStream
;
tscAddIntoStreamList
(
pStream
);
if
(
pCmd
->
nAggTimeInterval
<
tsMinIntervalTime
)
{
tscWarn
(
"%p stream:%p, original sample interval:%ldms too small, reset to:%ldms"
,
pSql
,
pStream
,
pCmd
->
nAggTimeInterval
,
tsMinIntervalTime
);
pCmd
->
nAggTimeInterval
=
tsMinIntervalTime
;
}
pStream
->
interval
=
pCmd
->
nAggTimeInterval
;
// it shall be derived from sql string
if
(
pCmd
->
nSlidingTime
==
0
)
{
pCmd
->
nSlidingTime
=
pCmd
->
nAggTimeInterval
;
}
if
(
pCmd
->
nSlidingTime
<
tsMinSlidingTime
)
{
tscWarn
(
"%p stream:%p, original sliding value:%lldms too small, reset to:%lldms"
,
pSql
,
pStream
,
pCmd
->
nSlidingTime
,
tsMinSlidingTime
);
int64_t
minSlidingTime
=
(
pStream
->
precision
==
TSDB_TIME_PRECISION_MICRO
)
?
tsMinSlidingTime
*
1000L
:
tsMinSlidingTime
;
if
(
pCmd
->
nSlidingTime
<
minSlidingTime
)
{
tscWarn
(
"%p stream:%p, original sliding value:%lld too small, reset to:%lld"
,
pSql
,
pStream
,
pCmd
->
nSlidingTime
,
minSlidingTime
);
pCmd
->
nSlidingTime
=
tsM
inSlidingTime
;
pCmd
->
nSlidingTime
=
m
inSlidingTime
;
}
if
(
pCmd
->
nSlidingTime
>
pCmd
->
nAggTimeInterval
)
{
tscWarn
(
"%p stream:%p, sliding value:%lld
ms can not be larger than interval range, reset to:%lldms"
,
pSql
,
pStream
,
pCmd
->
nSlidingTime
,
pCmd
->
nAggTimeInterval
);
tscWarn
(
"%p stream:%p, sliding value:%lld
can not be larger than interval range, reset to:%lld"
,
pSql
,
pStream
,
pCmd
->
nSlidingTime
,
pCmd
->
nAggTimeInterval
);
pCmd
->
nSlidingTime
=
pCmd
->
nAggTimeInterval
;
}
pStream
->
slidingTime
=
pCmd
->
nSlidingTime
;
}
static
int64_t
tscGetStreamStartTimestamp
(
SSqlObj
*
pSql
,
SSqlStream
*
pStream
,
int64_t
stime
)
{
SSqlCmd
*
pCmd
=
&
pSql
->
cmd
;
if
(
isProjectStream
(
pCmd
))
{
// no data in table, flush all data till now to destination meter, 10sec delay
...
...
@@ -429,15 +389,14 @@ TAOS_STREAM *taos_open_stream(TAOS *taos, char *sqlstr, void (*fp)(void *param,
pStream
->
slidingTime
=
tsProjectExecInterval
;
if
(
stime
!=
0
)
{
// first projection start from the latest event timestamp
assert
(
stime
>=
pCmd
->
e
time
);
assert
(
stime
>=
pCmd
->
s
time
);
stime
+=
1
;
// exclude the last records from table
}
else
{
stime
=
pCmd
->
e
time
;
stime
=
pCmd
->
s
time
;
}
}
else
{
// timewindow based aggregation stream
}
else
{
// timewindow based aggregation stream
if
(
stime
==
0
)
{
// no data in meter till now
stime
=
((
int64_t
)
taosGetTimestamp
Sec
()
*
1000L
/
pStream
->
interval
)
*
pStream
->
interval
;
stime
=
((
int64_t
)
taosGetTimestamp
(
pStream
->
precision
)
/
pStream
->
interval
)
*
pStream
->
interval
;
tscWarn
(
"%p stream:%p, last timestamp:0, reset to:%lld"
,
pSql
,
pStream
,
stime
,
stime
);
}
else
{
int64_t
newStime
=
(
stime
/
pStream
->
interval
)
*
pStream
->
interval
;
...
...
@@ -448,26 +407,97 @@ TAOS_STREAM *taos_open_stream(TAOS *taos, char *sqlstr, void (*fp)(void *param,
}
}
pStream
->
stime
=
stime
;
return
stime
;
}
int64_t
timer
=
pStream
->
stime
-
taosGetTimestampSec
()
*
1000L
;
static
int64_t
tscGetLaunchTimestamp
(
const
SSqlStream
*
pStream
)
{
int64_t
timer
=
pStream
->
stime
-
taosGetTimestamp
(
pStream
->
precision
);
if
(
timer
<
0
)
timer
=
0
;
int64_t
delayDelta
=
(
int64_t
)(
pStream
->
interval
*
0
.
1
);
if
(
delayDelta
>
tsMaxStreamComputDelay
)
{
delayDelta
=
tsMaxStreamComputDelay
;
int64_t
maxDelay
=
(
pStream
->
precision
==
TSDB_TIME_PRECISION_MICRO
)
?
tsMaxStreamComputDelay
*
1000L
:
tsMaxStreamComputDelay
;
if
(
delayDelta
>
maxDelay
)
{
delayDelta
=
maxDelay
;
}
int64_t
startDelay
=
(
pStream
->
precision
==
TSDB_TIME_PRECISION_MICRO
)
?
tsStreamCompStartDelay
*
1000L
:
tsStreamCompStartDelay
;
srand
(
time
(
NULL
));
timer
+=
(
rand
()
%
delayDelta
);
// a random number
if
(
timer
<
tsStreamCompStartDelay
||
timer
>
tsMaxStreamComput
Delay
)
{
timer
=
(
timer
%
tsStreamCompStartDelay
)
+
tsStreamCompS
tartDelay
;
if
(
timer
<
startDelay
||
timer
>
max
Delay
)
{
timer
=
(
timer
%
startDelay
)
+
s
tartDelay
;
}
taosTmrReset
(
tscProcessStreamTimer
,
timer
,
pStream
,
tscTmr
,
&
pStream
->
pTimer
);
tscTrace
(
"%p stream:%p is opened, query on:%s, interval:%ld, sliding:%ld, first launched in:%ld ms, sql:%s"
,
pSql
,
pStream
,
pSql
->
cmd
.
name
,
pStream
->
interval
,
pStream
->
slidingTime
,
timer
,
sqlstr
);
return
(
pStream
->
precision
==
TSDB_TIME_PRECISION_MICRO
)
?
timer
/
1000L
:
timer
;
}
TAOS_STREAM
*
taos_open_stream
(
TAOS
*
taos
,
char
*
sqlstr
,
void
(
*
fp
)(
void
*
param
,
TAOS_RES
*
,
TAOS_ROW
row
),
int64_t
stime
,
void
*
param
,
void
(
*
callback
)(
void
*
))
{
STscObj
*
pObj
=
(
STscObj
*
)
taos
;
if
(
pObj
==
NULL
||
pObj
->
signature
!=
pObj
)
return
NULL
;
SSqlObj
*
pSql
=
(
SSqlObj
*
)
calloc
(
1
,
sizeof
(
SSqlObj
));
if
(
pSql
==
NULL
)
{
// todo set corect error msg
return
NULL
;
}
pSql
->
signature
=
pSql
;
pSql
->
pTscObj
=
pObj
;
SSqlCmd
*
pCmd
=
&
pSql
->
cmd
;
SSqlRes
*
pRes
=
&
pSql
->
res
;
tscAllocPayloadWithSize
(
pCmd
,
TSDB_DEFAULT_PAYLOAD_SIZE
);
pSql
->
sqlstr
=
calloc
(
1
,
strlen
(
sqlstr
)
+
1
);
if
(
pSql
->
sqlstr
==
NULL
)
{
// todo set corect error msg
tfree
(
pSql
);
return
NULL
;
}
strcpy
(
pSql
->
sqlstr
,
sqlstr
);
sem_init
(
&
pSql
->
rspSem
,
0
,
0
);
sem_init
(
&
pSql
->
emptyRspSem
,
0
,
1
);
SSqlInfo
SQLInfo
=
{
0
};
tSQLParse
(
&
SQLInfo
,
pSql
->
sqlstr
);
pRes
->
code
=
tscToSQLCmd
(
pSql
,
&
SQLInfo
);
SQLInfoDestroy
(
&
SQLInfo
);
if
(
pRes
->
code
!=
TSDB_CODE_SUCCESS
)
{
tscError
(
"%p open stream failed, sql:%s, reason:%s, code:%d"
,
pSql
,
sqlstr
,
pCmd
->
payload
,
pRes
->
code
);
tscFreeSqlObj
(
pSql
);
return
NULL
;
}
SSqlStream
*
pStream
=
(
SSqlStream
*
)
calloc
(
1
,
sizeof
(
SSqlStream
));
if
(
pStream
==
NULL
)
{
tscError
(
"%p open stream failed, sql:%s, reason:%s, code:%d"
,
pSql
,
sqlstr
,
pCmd
->
payload
,
pRes
->
code
);
tscFreeSqlObj
(
pSql
);
return
NULL
;
}
pStream
->
fp
=
fp
;
pStream
->
callback
=
callback
;
pStream
->
param
=
param
;
pStream
->
pSql
=
pSql
;
pStream
->
ctime
=
taosGetTimestamp
(
pCmd
->
pMeterMeta
->
precision
);
pStream
->
etime
=
pCmd
->
etime
;
pStream
->
precision
=
pCmd
->
pMeterMeta
->
precision
;
pSql
->
pStream
=
pStream
;
tscAddIntoStreamList
(
pStream
);
tscSetSlidingWindowInfo
(
pSql
,
pStream
);
pStream
->
stime
=
tscGetStreamStartTimestamp
(
pSql
,
pStream
,
stime
);
int64_t
starttime
=
tscGetLaunchTimestamp
(
pStream
);
taosTmrReset
(
tscProcessStreamTimer
,
starttime
,
pStream
,
tscTmr
,
&
pStream
->
pTimer
);
tscTrace
(
"%p stream:%p is opened, query on:%s, interval:%lld, sliding:%lld, first launched in:%lld, sql:%s"
,
pSql
,
pStream
,
pSql
->
cmd
.
name
,
pStream
->
interval
,
pStream
->
slidingTime
,
starttime
,
sqlstr
);
return
pStream
;
}
...
...
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