feat: add batch get table vgId API

include/client/taos.h

@@ -220,6 +220,7 @@ DLL_EXPORT const void *taos_get_raw_block(TAOS_RES *res);
 
 DLL_EXPORT int taos_get_db_route_info(TAOS *taos, const char *db, TAOS_DB_ROUTE_INFO *dbInfo);
 DLL_EXPORT int taos_get_table_vgId(TAOS *taos, const char *db, const char *table, int *vgId);
+DLL_EXPORT int taos_get_tables_vgId(TAOS *taos, const char *db, const char *table[], int tableNum, int *vgId);
 
 DLL_EXPORT int taos_load_table_info(TAOS *taos, const char *tableNameList);
 

include/libs/catalog/catalog.h

@@ -210,6 +210,9 @@ int32_t catalogGetCachedTableMeta(SCatalog* pCtg, const SName* pTableName, STabl
 
 int32_t catalogGetCachedSTableMeta(SCatalog* pCtg, const SName* pTableName, STableMeta** pTableMeta);
 
+int32_t catalogGetTablesHashVgId(SCatalog* pCtg, SRequestConnInfo* pConn, int32_t acctId, const char* pDb, const char* pTableName[],
+                                  int32_t tableNum, int32_t *vgId);
+
 int32_t catalogGetCachedTableHashVgroup(SCatalog* pCtg, const SName* pTableName, SVgroupInfo* pVgroup, bool* exists);
 
 int32_t catalogGetCachedTableVgMeta(SCatalog* pCtg, const SName* pTableName,          SVgroupInfo* pVgroup, STableMeta** pTableMeta);

source/client/src/clientMain.c

@@ -1168,6 +1168,54 @@ _return:
   return code;
 }
 
+int taos_get_tables_vgId(TAOS *taos, const char *db, const char *table[], int tableNum, int *vgId) {
+  if (NULL == taos) {
+    terrno = TSDB_CODE_TSC_DISCONNECTED;
+    return terrno;
+  }
+
+  if (NULL == db || NULL == table || NULL == vgId || tableNum <= 0) {
+    tscError("invalid input param, db:%p, table:%p, vgId:%p, tbNum:%d", db, table, vgId, tableNum);
+    terrno = TSDB_CODE_TSC_INVALID_INPUT;
+    return terrno;
+  }
+
+  int64_t      connId = *(int64_t *)taos;
+  SRequestObj *pRequest = NULL;
+  char        *sql = "taos_get_table_vgId";
+  int32_t      code = buildRequest(connId, sql, strlen(sql), NULL, false, &pRequest, 0);
+  if (code != TSDB_CODE_SUCCESS) {
+    return terrno;
+  }
+
+  pRequest->syncQuery = true;
+
+  STscObj  *pTscObj = pRequest->pTscObj;
+  SCatalog *pCtg = NULL;
+  code = catalogGetHandle(pTscObj->pAppInfo->clusterId, &pCtg);
+  if (code != TSDB_CODE_SUCCESS) {
+    goto _return;
+  }
+
+  SRequestConnInfo conn = {
+      .pTrans = pTscObj->pAppInfo->pTransporter, .requestId = pRequest->requestId, .requestObjRefId = pRequest->self};
+
+  conn.mgmtEps = getEpSet_s(&pTscObj->pAppInfo->mgmtEp);
+
+  code = catalogGetTablesHashVgId(pCtg, &conn, pTscObj->acctId, db, table, tableNum, vgId);
+  if (code) {
+    goto _return;
+  }
+
+_return:
+
+  terrno = code;
+
+  destroyRequest(pRequest);
+  return code;
+}
+
+
 int taos_load_table_info(TAOS *taos, const char *tableNameList) {
   if (NULL == taos) {
     terrno = TSDB_CODE_TSC_DISCONNECTED;

source/libs/catalog/inc/catalogInt.h

@@ -776,6 +776,7 @@ void    ctgFreeHandleImpl(SCatalog* pCtg);
 int32_t ctgGetVgInfoFromHashValue(SCatalog* pCtg, SDBVgInfo* dbInfo, const SName* pTableName, SVgroupInfo* pVgroup);
 int32_t ctgGetVgInfosFromHashValue(SCatalog* pCtg, SCtgTaskReq* tReq, SDBVgInfo* dbInfo, SCtgTbHashsCtx* pCtx,
                                    char* dbFName, SArray* pNames, bool update);
+int32_t ctgGetVgIdsFromHashValue(SCatalog* pCtg, SDBVgInfo* dbInfo, char* dbFName, const char* pTbs[], int32_t tbNum, int32_t* vgId);                                  
 void    ctgResetTbMetaTask(SCtgTask* pTask);
 void    ctgFreeDbCache(SCtgDBCache* dbCache);
 int32_t ctgStbVersionSortCompare(const void* key1, const void* key2);

source/libs/catalog/src/catalog.c

@@ -551,6 +551,37 @@ _return:
   CTG_RET(code);
 }
 
+int32_t ctgGetTbsHashVgId(SCatalog* pCtg, SRequestConnInfo* pConn, int32_t acctId, const char* pDb, const char* pTbs[], int32_t tbNum, int32_t* vgId) {
+  if (IS_SYS_DBNAME(pDb)) {
+    ctgError("no valid vgInfo for db, dbname:%s", pDb);
+    CTG_ERR_RET(TSDB_CODE_CTG_INVALID_INPUT);
+  }
+
+  SCtgDBCache* dbCache = NULL;
+  int32_t      code = 0;
+  char         dbFName[TSDB_DB_FNAME_LEN] = {0};
+  snprintf(dbFName, TSDB_DB_FNAME_LEN, "%d.%s", acctId, pDb);
+
+  SDBVgInfo* vgInfo = NULL;
+  CTG_ERR_JRET(ctgGetDBVgInfo(pCtg, pConn, dbFName, &dbCache, &vgInfo, NULL));
+  
+  CTG_ERR_JRET(ctgGetVgIdsFromHashValue(pCtg, vgInfo ? vgInfo : dbCache->vgCache.vgInfo, dbFName, pTbs, tbNum, vgId));
+
+_return:
+
+  if (dbCache) {
+    ctgRUnlockVgInfo(dbCache);
+    ctgReleaseDBCache(pCtg, dbCache);
+  }
+
+  if (vgInfo) {
+    freeVgInfo(vgInfo);
+  }
+
+  CTG_RET(code);
+}
+
+
 int32_t ctgGetCachedTbVgMeta(SCatalog* pCtg, const SName* pTableName, SVgroupInfo* pVgroup, STableMeta** pTableMeta) {
   int32_t      code = 0;
   char         db[TSDB_DB_FNAME_LEN] = {0};
@@ -1141,6 +1172,13 @@ int32_t catalogGetTableHashVgroup(SCatalog* pCtg, SRequestConnInfo* pConn, const
   CTG_API_LEAVE(ctgGetTbHashVgroup(pCtg, pConn, pTableName, pVgroup, NULL));
 }
 
+int32_t catalogGetTablesHashVgId(SCatalog* pCtg, SRequestConnInfo* pConn, int32_t acctId, const char* pDb, const char* pTableName[],
+                                  int32_t tableNum, int32_t *vgId) {
+  CTG_API_ENTER();
+
+  CTG_API_LEAVE(ctgGetTbsHashVgId(pCtg, pConn, acctId, pDb, pTableName, tableNum, vgId));
+}
+
 int32_t catalogGetCachedTableHashVgroup(SCatalog* pCtg, const SName* pTableName,           SVgroupInfo* pVgroup, bool* exists) {
   CTG_API_ENTER();
 

source/libs/catalog/src/ctgUtil.c

@@ -986,6 +986,43 @@ int32_t ctgGetVgInfosFromHashValue(SCatalog* pCtg, SCtgTaskReq* tReq, SDBVgInfo*
   CTG_RET(code);
 }
 
+int32_t ctgGetVgIdsFromHashValue(SCatalog* pCtg, SDBVgInfo* dbInfo, char* dbFName, const char* pTbs[], int32_t tbNum, int32_t* vgId) {
+ int32_t code = 0;
+ CTG_ERR_RET(ctgMakeVgArray(dbInfo));
+
+ int32_t vgNum = taosArrayGetSize(dbInfo->vgArray);
+
+ if (vgNum <= 0) {
+   ctgError("db vgroup cache invalid, db:%s, vgroup number:%d", dbFName, vgNum);
+   CTG_ERR_RET(TSDB_CODE_TSC_DB_NOT_SELECTED);
+ }
+
+ SVgroupInfo* vgInfo = NULL;
+ char         tbFullName[TSDB_TABLE_FNAME_LEN];
+ snprintf(tbFullName, sizeof(tbFullName), "%s.", dbFName);
+ int32_t offset = strlen(tbFullName);
+ 
+ for (int32_t i = 0; i < tbNum; ++i) {
+   snprintf(tbFullName + offset, sizeof(tbFullName) - offset, "%s", pTbs[i]);
+   uint32_t hashValue = taosGetTbHashVal(tbFullName, (uint32_t)strlen(tbFullName), dbInfo->hashMethod,
+                                         dbInfo->hashPrefix, dbInfo->hashSuffix);
+
+   vgInfo = taosArraySearch(dbInfo->vgArray, &hashValue, ctgHashValueComp, TD_EQ);
+   if (NULL == vgInfo) {
+     ctgError("no hash range found for hash value [%u], db:%s, numOfVgId:%d", hashValue, dbFName,
+              (int32_t)taosArrayGetSize(dbInfo->vgArray));
+     CTG_ERR_RET(TSDB_CODE_CTG_INTERNAL_ERROR);
+   }
+
+   vgId[i] = vgInfo->vgId;
+
+   ctgDebug("Got tb %s vgId:%d", tbFullName, vgInfo->vgId);
+ }
+
+ CTG_RET(code);
+}
+
+
 int32_t ctgStbVersionSearchCompare(const void* key1, const void* key2) {
   if (*(uint64_t*)key1 < ((SSTableVersion*)key2)->suid) {
     return -1;

tests/script/api/dbTableRoute.c

@@ -26,7 +26,10 @@
 #include <pthread.h>
 #include "taos.h"
 
-int  rtTables = 20;
+#define RT_TABLE_NUM 100
+
+int  rtTables = RT_TABLE_NUM;
+int rtTableUs[RT_TABLE_NUM] = {0};
 char hostName[128];
 
 static void rtExecSQL(TAOS *taos, char *command) {
@@ -101,6 +104,22 @@ int rtPrepare(TAOS   ** p, int prefix, int suffix) {
   return 0;
 }
 
+int32_t rtGetTimeOfDay(struct timeval *tv) {
+  return gettimeofday(tv, NULL);
+}
+static int64_t rtGetTimestampMs() {
+  struct timeval systemTime;
+  rtGetTimeOfDay(&systemTime);
+  return (int64_t)systemTime.tv_sec * 1000LL + (int64_t)systemTime.tv_usec/1000;
+}
+
+static int64_t rtGetTimestampUs() {
+  struct timeval systemTime;
+  rtGetTimeOfDay(&systemTime);
+  return (int64_t)systemTime.tv_sec * 1000000LL + (int64_t)systemTime.tv_usec;
+}
+
+
 int rtGetDbRouteInfo(TAOS   * taos) {
   TAOS_DB_ROUTE_INFO dbInfo;
   int code = taos_get_db_route_info(taos, "db1", &dbInfo);
@@ -126,7 +145,10 @@ int rtGetTableRouteInfo(TAOS   * taos) {
   char    sql[1024]  = {0};
   for (int32_t i = 0; i < rtTables; ++i) {
     sprintf(table, "tb%d", i);
+    int64_t startTs = rtGetTimestampUs();
     int code = taos_get_table_vgId(taos, "db1", table, &vgId1);
+    int64_t endTs = rtGetTimestampUs();
+    rtTableUs[i] = (int)(endTs - startTs);
     if (code) {
       rtExit("taos_get_table_vgId", taos_errstr(NULL));
     }
@@ -142,9 +164,61 @@ int rtGetTableRouteInfo(TAOS   * taos) {
     }
   }
 
+  printf("table vgId use us:");
+
+  for (int32_t i = 0; i < rtTables; ++i) {
+    printf("%d ", rtTableUs[i]);
+  }
+
+  printf("\n");
+
   return 0;
 }
 
+int rtGetTablesRouteInfo(TAOS   * taos) {
+  char *table = {0};
+  int *vgId1 = malloc(rtTables * sizeof(int));
+  int vgId2 = 0;
+  char sql[1024]  = {0};
+  const char *tbs[RT_TABLE_NUM] = {0};
+  
+  for (int32_t i = 0; i < rtTables; ++i) {
+    table = malloc(10);
+    sprintf(table, "tb%d", i);
+    tbs[i] = table;
+  }
+  
+  int64_t startTs = rtGetTimestampUs();
+  int code = taos_get_tables_vgId(taos, "db1", tbs, rtTables, vgId1);
+  int64_t endTs = rtGetTimestampUs();
+  rtTableUs[0] = (int)(endTs - startTs);
+  if (code) {
+    rtExit("taos_get_tables_vgId", taos_errstr(NULL));
+  }
+
+  for (int32_t i = 0; i < rtTables; ++i) {
+    sprintf(sql, "select vgroup_id from information_schema.ins_tables where table_name=\"tb%d\"", i);
+    
+    rtFetchVgId(taos, sql, &vgId2);
+    if (vgId1[i] != vgId2) {
+      fprintf(stderr, "!!!! table tb%d vgId mis-match, vgId(api):%d, vgId(sys):%d\n", i, vgId1[i], vgId2);
+      exit(1);
+    } else {
+      printf("table tb%d vgId %d\n", i, vgId1[i]);
+    }
+  }
+
+  printf("tables vgId use us:%d\n", rtTableUs[0]);
+
+  for (int32_t i = 0; i < rtTables; ++i) {
+    free((void*)tbs[i]);
+  }
+  free(vgId1);
+
+  return 0;
+}
+
+
 void rtClose(TAOS   * taos) {
   taos_close(taos);
 }
@@ -170,6 +244,16 @@ int rtRunCase2(void) {
   return 0;
 }
 
+int rtRunCase3(void) {
+  TAOS *taos = NULL;
+  rtPrepare(&taos, 0, 0);
+  rtGetTablesRouteInfo(taos);
+  rtClose(taos);
+
+  return 0;
+}
+
+
 int main(int argc, char *argv[]) {
   if (argc != 2) {
     printf("usage: %s server-ip\n", argv[0]);
@@ -182,6 +266,7 @@ int main(int argc, char *argv[]) {
 
   rtRunCase1();
   rtRunCase2();
+  rtRunCase3();
 
   int32_t l = 5;
   while (l) {