fix(tsdb): fix syntax error.

source/dnode/vnode/src/tsdb/tsdbRead2.c

@@ -3974,7 +3974,7 @@ SVersionRange getQueryVerRange(SVnode* pVnode, SQueryTableDataCond* pCond, int8_
 }
 
 bool hasBeenDropped(const SArray* pDelList, int32_t* index, int64_t key, int64_t ver, int32_t order, SVersionRange* pVerRange) {
-  if (pDelList == NULL) {
+  if (pDelList == NULL || (taosArrayGetSize(pDelList) == 0)) {
     return false;
   }
 
@@ -5689,7 +5689,7 @@ int64_t tsdbGetNumOfRowsInMemTable2(STsdbReader* pReader) {
 
 int32_t tsdbGetTableSchema2(void* pVnode, int64_t uid, STSchema** pSchema, int64_t* suid) {
   SMetaReader mr = {0};
-  metaReaderInit(&mr, ((SVnode*)pVnode)->pMeta, 0);
+  metaReaderDoInit(&mr, ((SVnode*)pVnode)->pMeta, 0);
   int32_t code = metaReaderGetTableEntryByUidCache(&mr, uid);
   if (code != TSDB_CODE_SUCCESS) {
     terrno = TSDB_CODE_TDB_INVALID_TABLE_ID;