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enh(index): add prefix query

This commit is contained in:
yihaoDeng 2022-05-02 22:46:59 +08:00
parent 26f2d342b0
commit f6e51532ed
1 changed files with 27 additions and 1 deletions
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28
source/libs/index/src/indexCache.c
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@ -47,7 +47,33 @@ static void doMergeWork(SSchedMsg* msg);
static bool indexCacheIteratorNext(Iterate* itera);
static int32_t cacheSearchTerm(void* cache, CacheTerm* ct, SIdxTempResult* tr, STermValueType* s) {
// impl later
if (cache == NULL) {
return 0;
}
MemTable* mem = cache;
char* key = indexCacheTermGet(ct);
SSkipListIterator* iter = tSkipListCreateIterFromVal(mem->mem, key, TSDB_DATA_TYPE_BINARY, TSDB_ORDER_ASC);
while (tSkipListIterNext(iter)) {
SSkipListNode* node = tSkipListIterGet(iter);
if (node == NULL) {
break;
}
CacheTerm* c = (CacheTerm*)SL_GET_NODE_DATA(node);
if (0 == strcmp(c->colVal, ct->colVal)) {
if (c->operaType == ADD_VALUE) {
INDEX_MERGE_ADD_DEL(tr->deled, tr->added, c->uid)
// taosArrayPush(result, &c->uid);
*s = kTypeValue;
} else if (c->operaType == DEL_VALUE) {
INDEX_MERGE_ADD_DEL(tr->added, tr->deled, c->uid)
}
} else {
break;
}
}
tSkipListDestroyIter(iter);
return 0;
}
static int32_t cacheSearchPrefix(void* cache, CacheTerm* ct, SIdxTempResult* tr, STermValueType* s) {