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This commit is contained in:
yihaoDeng 2023-04-14 02:10:33 +00:00
parent 36eef2fdef
commit c0ebdb92d3
2 changed files with 33 additions and 10 deletions
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8
source/libs/stream/inc/streamBackendRocksdb.h
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@ -92,10 +92,10 @@ int32_t streamDefaultDel_rocksdb(SStreamState* pState, const void* key);
void* streamDefaultIterCreate_rocksdb(SStreamState* pState); void* streamDefaultIterCreate_rocksdb(SStreamState* pState);
int32_t streamDefaultIterValid_rocksdb(void* iter); int32_t streamDefaultIterValid_rocksdb(void* iter);
void* streamDefaultIterSeek_rocksdb(void* iter, const char* key); void streamDefaultIterSeek_rocksdb(void* iter, const char* key);
int32_t streamDefaultIter_rocksdb(void* iter); void streamDefaultIterNext_rocksdb(void* iter);
char** streamDefaultIterKey_rocksdb(void* iter); char* streamDefaultIterKey_rocksdb(void* iter, int32_t* len);
char* streamDefaultIterVal_rocksdb(void* iter); char* streamDefaultIterVal_rocksdb(void* iter, int32_t* len);
// int32_t streamDefaultIter_rocksdb(SStreamState* pState, const void* start, const void* end, SArray* result); // int32_t streamDefaultIter_rocksdb(SStreamState* pState, const void* start, const void* end, SArray* result);
#endif #endif

35
source/libs/stream/src/streamStateRocksdb.c
View File

@ -646,12 +646,35 @@ int32_t streamDefaultDel_rocksdb(SStreamState* pState, const void* key) {
return code; return code;
} }
void* streamDefaultIterCreate_rocksdb(SStreamState* pState) {} void* streamDefaultIterCreate_rocksdb(SStreamState* pState) {
int32_t streamDefaultIterValid_rocksdb(void* iter); SStreamStateCur* pCur = taosMemoryCalloc(1, sizeof(SStreamStateCur));
void* streamDefaultIterSeek_rocksdb(void* iter, const char* key);
int32_t streamDefaultIter_rocksdb(void* iter); pCur->db = pState->pTdbState->rocksdb;
char** streamDefaultIterKey_rocksdb(void* iter); pCur->iter = streamStateIterCreate(pState, "default", &pCur->snapshot, &pCur->readOpt);
char* streamDefaultIterVal_rocksdb(void* iter); return pCur;
}
int32_t streamDefaultIterValid_rocksdb(void* iter) {
SStreamStateCur* pCur = iter;
bool val = rocksdb_iter_valid(pCur->iter);
return val ? 0 : -1;
}
void streamDefaultIterSeek_rocksdb(void* iter, const char* key) {
SStreamStateCur* pCur = iter;
rocksdb_iter_seek(pCur->iter, key, strlen(key));
}
void streamDefaultIterNext_rocksdb(void* iter) {
SStreamStateCur* pCur = iter;
rocksdb_iter_next(pCur->iter);
}
char* streamDefaultIterKey_rocksdb(void* iter, int32_t* len) {
SStreamStateCur* pCur = iter;
return (char*)rocksdb_iter_key(pCur->iter, (size_t*)len);
}
char* streamDefaultIterVal_rocksdb(void* iter, int32_t* len) {
SStreamStateCur* pCur = iter;
return (char*)rocksdb_iter_value(pCur->iter, (size_t*)len);
}
// typedef struct { // typedef struct {
// char* start; // char* start;
// char* end; // char* end;