[TD-32] fix bugs in super table query

src/client/src/tscAsync.c

@@ -514,7 +514,7 @@ void tscTableMetaCallBack(void *param, TAOS_RES *res, int code) {
     tscTansformSQLFunctionForSTableQuery(pQueryInfo);
     tscIncStreamExecutionCount(pSql->pStream);
   } else {
-    tscTrace("%p get tableMeta/metricMeta successfully", pSql);
+    tscTrace("%p get tableMeta successfully", pSql);
   }
 
   tscDoQuery(pSql);

src/client/src/tscSecondaryMerge.c

@@ -605,7 +605,7 @@ int32_t tscLocalReducerEnvCreate(SSqlObj *pSql, tExtMemBuffer ***pMemBuffer, tOr
   SQueryInfo *    pQueryInfo = tscGetQueryInfoDetail(pCmd, pCmd->clauseIndex);
   STableMetaInfo *pTableMetaInfo = tscGetMetaInfo(pQueryInfo, 0);
 
-//  (*pMemBuffer) = (tExtMemBuffer **)malloc(POINTER_BYTES * pTableMetaInfo->pMetricMeta->numOfVnodes);
+  (*pMemBuffer) = (tExtMemBuffer **)malloc(POINTER_BYTES * 1);
   if (*pMemBuffer == NULL) {
     tscError("%p failed to allocate memory", pSql);
     pRes->code = TSDB_CODE_CLI_OUT_OF_MEMORY;

src/client/src/tscSubquery.c

@@ -1011,8 +1011,9 @@ int32_t tscHandleMasterSTableQuery(SSqlObj *pSql) {
   SQueryInfo *    pQueryInfo = tscGetQueryInfoDetail(pCmd, pCmd->clauseIndex);
   STableMetaInfo *pTableMetaInfo = tscGetMetaInfo(pQueryInfo, 0);
   
-  int32_t numOfSubQueries = 0;
+  int32_t numOfSubQueries = 1;
 //  int32_t numOfSubQueries = pTableMetaInfo->pMetricMeta->numOfVnodes;
+  
   assert(numOfSubQueries > 0);
   
   int32_t ret = tscLocalReducerEnvCreate(pSql, &pMemoryBuf, &pDesc, &pModel, nBufferSize);

src/query/inc/qtsbuf.h

@@ -48,10 +48,10 @@ typedef struct STSElem {
 } STSElem;
 
 typedef struct STSCursor {
-  int32_t vnodeIndex;
-  int32_t blockIndex;
-  int32_t tsIndex;
-  int32_t order;
+  int32_t  vnodeIndex;
+  int32_t  blockIndex;
+  int32_t  tsIndex;
+  uint32_t order;
 } STSCursor;
 
 typedef struct STSBlock {

src/query/inc/queryExecutor.h

@@ -32,12 +32,6 @@ typedef struct SData {
   char    data[];
 } SData;
 
-enum {
-//  ST_QUERY_KILLED = 0,     // query killed
-  ST_QUERY_PAUSED = 1,     // query paused, due to full of the response buffer
-  ST_QUERY_COMPLETED = 2,  // query completed
-};
-
 struct SColumnFilterElem;
 typedef bool (*__filter_func_t)(struct SColumnFilterElem* pFilter, char* val1, char* val2);
 typedef int32_t (*__block_search_fn_t)(char* data, int32_t num, int64_t key, int32_t order);
@@ -60,18 +54,20 @@ typedef struct SWindowStatus {
 } SWindowStatus;
 
 typedef struct SWindowResult {
-  uint16_t      numOfRows;
+  uint16_t      numOfRows;   // number of rows of current  time window
   SPosInfo      pos;         // Position of current result in disk-based output buffer
   SResultInfo*  resultInfo;  // For each result column, there is a resultInfo
   STimeWindow   window;      // The time window that current result covers.
-  SWindowStatus status;
+  SWindowStatus status;      // this result status: closed or opened
 } SWindowResult;
 
 typedef struct SResultRec {
-  int64_t total;
-  int64_t size;
-  int64_t capacity;
-  int32_t threshold;   // the threshold size, when the number of rows in result buffer, return to client
+  int64_t total;     // total generated result size in rows
+  int64_t size;      // current result set size in rows
+  int64_t capacity;  // capacity of current result output buffer
+  
+  // result size threshold in rows. If the result buffer is larger than this, pause query and return to client
+  int32_t threshold;
 } SResultRec;
 
 typedef struct SWindowResInfo {
@@ -99,7 +95,6 @@ typedef struct SSingleColumnFilterInfo {
   void*              pData;
 } SSingleColumnFilterInfo;
 
-/* intermediate pos during multimeter query involves interval */
 typedef struct STableQueryInfo {
   int64_t     lastKey;
   STimeWindow win;
@@ -107,7 +102,7 @@ typedef struct STableQueryInfo {
   int16_t     queryRangeSet;  // denote if the query range is set, only available for interval query
   int64_t     tag;
   STSCursor   cur;
-  int32_t     sid;  // for retrieve the page id list
+  int32_t     tid;  // for retrieve the page id list
 
   SWindowResInfo windowResInfo;
 } STableQueryInfo;
@@ -116,7 +111,6 @@ typedef struct STableDataInfo {
   int32_t          numOfBlocks;
   int32_t          start;     // start block index
   int32_t          tableIndex;
-  void*            pMeterObj;
   int32_t          groupIdx;  // group id in table list
   STableQueryInfo* pTableQInfo;
 } STableDataInfo;

src/vnode/tsdb/src/tsdbMeta.c

@@ -349,10 +349,10 @@ static int tsdbAddTableToMeta(STsdbMeta *pMeta, STable *pTable, bool addIdx) {
   } else {
     // add non-super table to the array
     pMeta->tables[pTable->tableId.tid] = pTable;
-    if (pTable->type == TSDB_CHILD_TABLE) {
-      // add STABLE to the index
+    if (pTable->type == TSDB_CHILD_TABLE && addIdx) { // add STABLE to the index
       tsdbAddTableIntoIndex(pMeta, pTable);
     }
+    
     pMeta->nTables++;
   }