xxq250
/
homework-jianmu
1
0
Fork 0
Code Issues Pull Requests 1 Actions Packages Projects Releases Wiki Activity

add demo for stream user defined table name

This commit is contained in:
Liu Jicong 2022-10-11 16:48:13 +08:00
parent 2248d51774
commit 14c4ff1d94
2 changed files with 8 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
examples/c/stream_demo.c
View File

@ -49,28 +49,28 @@ int32_t init_env() {
} }
taos_free_result(pRes); taos_free_result(pRes);
pRes = taos_query(pConn, "create stable if not exists st1 (ts timestamp, k int) tags(a int)"); pRes = taos_query(pConn, "create stable if not exists st1 (ts timestamp, k int, j varchar(20)) tags(a varchar(20))");
if (taos_errno(pRes) != 0) { if (taos_errno(pRes) != 0) {
printf("failed to create super table st1, reason:%s\n", taos_errstr(pRes)); printf("failed to create super table st1, reason:%s\n", taos_errstr(pRes));
return -1; return -1;
} }
taos_free_result(pRes); taos_free_result(pRes);
pRes = taos_query(pConn, "create table if not exists tu1 using st1 tags(1)"); pRes = taos_query(pConn, "create table if not exists tu1 using st1 tags('c1')");
if (taos_errno(pRes) != 0) { if (taos_errno(pRes) != 0) {
printf("failed to create child table tu1, reason:%s\n", taos_errstr(pRes)); printf("failed to create child table tu1, reason:%s\n", taos_errstr(pRes));
return -1; return -1;
} }
taos_free_result(pRes); taos_free_result(pRes);
pRes = taos_query(pConn, "create table if not exists tu2 using st1 tags(2)"); pRes = taos_query(pConn, "create table if not exists tu2 using st1 tags('c2')");
if (taos_errno(pRes) != 0) { if (taos_errno(pRes) != 0) {
printf("failed to create child table tu2, reason:%s\n", taos_errstr(pRes)); printf("failed to create child table tu2, reason:%s\n", taos_errstr(pRes));
return -1; return -1;
} }
taos_free_result(pRes); taos_free_result(pRes);
pRes = taos_query(pConn, "create table if not exists tu3 using st1 tags(3)"); pRes = taos_query(pConn, "create table if not exists tu3 using st1 tags('c3')");
if (taos_errno(pRes) != 0) { if (taos_errno(pRes) != 0) {
printf("failed to create child table tu3, reason:%s\n", taos_errstr(pRes)); printf("failed to create child table tu3, reason:%s\n", taos_errstr(pRes));
return -1; return -1;
@ -96,7 +96,8 @@ int32_t create_stream() {
taos_free_result(pRes); taos_free_result(pRes);
pRes = taos_query(pConn, pRes = taos_query(pConn,
"create stream stream1 trigger at_once watermark 10s into outstb as select _wstart start, avg(k) from st1 partition by tbname interval(10s)"); /*"create stream stream1 trigger at_once watermark 10s into outstb as select _wstart start, avg(k) from st1 partition by tbname interval(10s)");*/
"create stream stream2 into outstb subtable(concat(concat(concat('prefix_', tname), '_suffix'), cast(k1 as varchar(20)))) as select _wstart wstart, avg(k) from st1 partition by tbname tname, a k1 interval(10s);");
if (taos_errno(pRes) != 0) { if (taos_errno(pRes) != 0) {
printf("failed to create stream stream1, reason:%s\n", taos_errstr(pRes)); printf("failed to create stream stream1, reason:%s\n", taos_errstr(pRes));
return -1; return -1;

2
source/libs/executor/src/timewindowoperator.c
View File

@ -3611,6 +3611,7 @@ void destroyStreamSessionAggOperatorInfo(void* param) {
blockDataDestroy(pInfo->pUpdateRes); blockDataDestroy(pInfo->pUpdateRes);
destroySqlFunctionCtx(pInfo->pDummyCtx, 0); destroySqlFunctionCtx(pInfo->pDummyCtx, 0);
taosHashCleanup(pInfo->pStDeleted); taosHashCleanup(pInfo->pStDeleted);
taosHashCleanup(pInfo->pGroupIdTbNameMap);
taosMemoryFreeClear(param); taosMemoryFreeClear(param);
} }
@ -4670,6 +4671,7 @@ void destroyStreamStateOperatorInfo(void* param) {
colDataDestroy(&pInfo->twAggSup.timeWindowData); colDataDestroy(&pInfo->twAggSup.timeWindowData);
blockDataDestroy(pInfo->pDelRes); blockDataDestroy(pInfo->pDelRes);
taosHashCleanup(pInfo->pSeDeleted); taosHashCleanup(pInfo->pSeDeleted);
taosHashCleanup(pInfo->pGroupIdTbNameMap);
destroySqlFunctionCtx(pInfo->pDummyCtx, 0); destroySqlFunctionCtx(pInfo->pDummyCtx, 0);
taosMemoryFreeClear(param); taosMemoryFreeClear(param);