Merge pull request #22955 from taosdata/fix/avoidConflictIdxNameMain

avoid first tag index conflict

source/dnode/mnode/impl/src/mndStb.c

@@ -15,6 +15,7 @@
 
 #define _DEFAULT_SOURCE
 #include "mndStb.h"
+#include "audit.h"
 #include "mndDb.h"
 #include "mndDnode.h"
 #include "mndIndex.h"
@@ -31,7 +32,6 @@
 #include "mndUser.h"
 #include "mndVgroup.h"
 #include "tname.h"
-#include "audit.h"
 
 #define STB_VER_NUMBER   1
 #define STB_RESERVE_SIZE 64
@@ -858,6 +858,23 @@ int32_t mndBuildStbFromReq(SMnode *pMnode, SStbObj *pDst, SMCreateStbReq *pCreat
   }
   return 0;
 }
+static int32_t mndGenIdxNameForFirstTag(char *fullname, char *dbname, char *tagname) {
+  char    randStr[TSDB_COL_NAME_LEN] = {0};
+  int32_t left = TSDB_COL_NAME_LEN - strlen(tagname) - 1;
+  if (left <= 1) {
+    sprintf(fullname, "%s.%s", dbname, tagname);
+  } else {
+    int8_t start = left < 8 ? 0 : 8;
+    int8_t end = left >= 24 ? 24 : left - 1;
+    // gen rand str len [base:end]
+    // note: ignore rand performance issues
+    int64_t len = taosRand() % (end - start + 1) + start;
+    taosRandStr2(randStr, len);
+    sprintf(fullname, "%s.%s_%s", dbname, tagname, randStr);
+  }
+
+  return 0;
+}
 
 static int32_t mndCreateStb(SMnode *pMnode, SRpcMsg *pReq, SMCreateStbReq *pCreate, SDbObj *pDb) {
   SStbObj stbObj = {0};
@@ -871,10 +888,8 @@ static int32_t mndCreateStb(SMnode *pMnode, SRpcMsg *pReq, SMCreateStbReq *pCrea
   mInfo("trans:%d, used to create stb:%s", pTrans->id, pCreate->name);
   if (mndBuildStbFromReq(pMnode, &stbObj, pCreate, pDb) != 0) goto _OVER;
 
-  char randStr[24] = {0};
-  taosRandStr2(randStr, tListLen(randStr) - 1);
   SSchema *pSchema = &(stbObj.pTags[0]);
-  sprintf(fullIdxName, "%s.%s_%s", pDb->name, pSchema->name, randStr);
+  mndGenIdxNameForFirstTag(fullIdxName, pDb->name, pSchema->name);
 
   SSIdx idx = {0};
   if (mndAcquireGlobalIdx(pMnode, fullIdxName, SDB_IDX, &idx) == 0 && idx.pIdx != NULL) {
@@ -1066,78 +1081,75 @@ static int32_t mndBuildStbFromAlter(SStbObj *pStb, SStbObj *pDst, SMCreateStbReq
   return TSDB_CODE_SUCCESS;
 }
 
-static char* mndAuditFieldTypeStr(int32_t type){
-  switch (type)
-  {
-  case TSDB_DATA_TYPE_NULL:
-    return "null";
-  case TSDB_DATA_TYPE_BOOL:
-    return "bool";
-  case TSDB_DATA_TYPE_TINYINT:
-    return "tinyint";
-  case TSDB_DATA_TYPE_SMALLINT:
-    return "smallint";
-  case TSDB_DATA_TYPE_INT:
-    return "int";
-  case TSDB_DATA_TYPE_BIGINT:
-    return "bigint";
-  case TSDB_DATA_TYPE_FLOAT:
-    return "float";
-  case TSDB_DATA_TYPE_DOUBLE:
-    return "double";
-  case TSDB_DATA_TYPE_VARCHAR:
-    return "varchar";
-  case TSDB_DATA_TYPE_TIMESTAMP:
-    return "timestamp";
-  case TSDB_DATA_TYPE_NCHAR:
-    return "nchar";
-  case TSDB_DATA_TYPE_UTINYINT:
-    return "utinyint";
-  case TSDB_DATA_TYPE_USMALLINT:
-    return "usmallint";
-  case TSDB_DATA_TYPE_UINT:
-    return "uint";
-  case TSDB_DATA_TYPE_UBIGINT:
-    return "ubigint";
-  case TSDB_DATA_TYPE_JSON:
-    return "json";
-  case TSDB_DATA_TYPE_VARBINARY:
-    return "varbinary";
-  case TSDB_DATA_TYPE_DECIMAL:
-    return "decimal";
-  case TSDB_DATA_TYPE_BLOB:
-    return "blob";
-  case TSDB_DATA_TYPE_MEDIUMBLOB:
-    return "mediumblob";
-  case TSDB_DATA_TYPE_GEOMETRY:
-    return "geometry";
+static char *mndAuditFieldTypeStr(int32_t type) {
+  switch (type) {
+    case TSDB_DATA_TYPE_NULL:
+      return "null";
+    case TSDB_DATA_TYPE_BOOL:
+      return "bool";
+    case TSDB_DATA_TYPE_TINYINT:
+      return "tinyint";
+    case TSDB_DATA_TYPE_SMALLINT:
+      return "smallint";
+    case TSDB_DATA_TYPE_INT:
+      return "int";
+    case TSDB_DATA_TYPE_BIGINT:
+      return "bigint";
+    case TSDB_DATA_TYPE_FLOAT:
+      return "float";
+    case TSDB_DATA_TYPE_DOUBLE:
+      return "double";
+    case TSDB_DATA_TYPE_VARCHAR:
+      return "varchar";
+    case TSDB_DATA_TYPE_TIMESTAMP:
+      return "timestamp";
+    case TSDB_DATA_TYPE_NCHAR:
+      return "nchar";
+    case TSDB_DATA_TYPE_UTINYINT:
+      return "utinyint";
+    case TSDB_DATA_TYPE_USMALLINT:
+      return "usmallint";
+    case TSDB_DATA_TYPE_UINT:
+      return "uint";
+    case TSDB_DATA_TYPE_UBIGINT:
+      return "ubigint";
+    case TSDB_DATA_TYPE_JSON:
+      return "json";
+    case TSDB_DATA_TYPE_VARBINARY:
+      return "varbinary";
+    case TSDB_DATA_TYPE_DECIMAL:
+      return "decimal";
+    case TSDB_DATA_TYPE_BLOB:
+      return "blob";
+    case TSDB_DATA_TYPE_MEDIUMBLOB:
+      return "mediumblob";
+    case TSDB_DATA_TYPE_GEOMETRY:
+      return "geometry";
 
-  default:
-    return "error";
+    default:
+      return "error";
   }
 }
 
-static void mndAuditFieldStr(char* detail, SArray *arr, int32_t len, int32_t max){
+static void mndAuditFieldStr(char *detail, SArray *arr, int32_t len, int32_t max) {
   int32_t detialLen = strlen(detail);
   int32_t fieldLen = 0;
   for (int32_t i = 0; i < len; ++i) {
     SField *pField = taosArrayGet(arr, i);
-    char field[TSDB_COL_NAME_LEN + 20] = {0};
+    char    field[TSDB_COL_NAME_LEN + 20] = {0};
     fieldLen = strlen(", ");
-    if(detialLen > 0 && detialLen < max-fieldLen-1) {
+    if (detialLen > 0 && detialLen < max - fieldLen - 1) {
       strcat(detail, ", ");
       detialLen += fieldLen;
-    }
-    else{
+    } else {
       break;
     }
     sprintf(field, "%s:%s", pField->name, mndAuditFieldTypeStr(pField->type));
     fieldLen = strlen(field);
-    if(detialLen < max-fieldLen-1) {
+    if (detialLen < max - fieldLen - 1) {
       strcat(detail, field);
       detialLen += fieldLen;
-    }
-    else{
+    } else {
       break;
     }
   }
@@ -1252,14 +1264,17 @@ static int32_t mndProcessCreateStbReq(SRpcMsg *pReq) {
   if (code == 0) code = TSDB_CODE_ACTION_IN_PROGRESS;
 
   char detail[AUDIT_DETAIL_MAX] = {0};
-  sprintf(detail, "colVer:%d, delay1:%" PRId64 ", delay2:%" PRId64 ", deleteMark1:%" PRId64 ", "
-          "deleteMark2:%" PRId64 ", igExists:%d, numOfColumns:%d, numOfFuncs:%d, numOfTags:%d, "
-          "source:%d, suid:%" PRId64 ", tagVer:%d, ttl:%d, "
+  sprintf(detail,
+          "colVer:%d, delay1:%" PRId64 ", delay2:%" PRId64 ", deleteMark1:%" PRId64
+          ", "
+          "deleteMark2:%" PRId64
+          ", igExists:%d, numOfColumns:%d, numOfFuncs:%d, numOfTags:%d, "
+          "source:%d, suid:%" PRId64
+          ", tagVer:%d, ttl:%d, "
           "watermark1:%" PRId64 ", watermark2:%" PRId64,
-          createReq.colVer, createReq.delay1, createReq.delay2, createReq.deleteMark1,
-          createReq.deleteMark2, createReq.igExists, createReq.numOfColumns, createReq.numOfFuncs, createReq.numOfTags,
-          createReq.source, createReq.suid, createReq.tagVer, createReq.ttl,
-          createReq.watermark1, createReq.watermark2);
+          createReq.colVer, createReq.delay1, createReq.delay2, createReq.deleteMark1, createReq.deleteMark2,
+          createReq.igExists, createReq.numOfColumns, createReq.numOfFuncs, createReq.numOfTags, createReq.source,
+          createReq.suid, createReq.tagVer, createReq.ttl, createReq.watermark1, createReq.watermark2);
 
   mndAuditFieldStr(detail, createReq.pColumns, createReq.numOfColumns, AUDIT_DETAIL_MAX);
   mndAuditFieldStr(detail, createReq.pTags, createReq.numOfTags, AUDIT_DETAIL_MAX);
@@ -2338,8 +2353,7 @@ static int32_t mndProcessAlterStbReq(SRpcMsg *pReq) {
   if (code == 0) code = TSDB_CODE_ACTION_IN_PROGRESS;
 
   char detail[2000] = {0};
-  sprintf(detail, "alterType:%d, numOfFields:%d, ttl:%d" ,
-          alterReq.alterType, alterReq.numOfFields, alterReq.ttl);
+  sprintf(detail, "alterType:%d, numOfFields:%d, ttl:%d", alterReq.alterType, alterReq.numOfFields, alterReq.ttl);
 
   SName name = {0};
   tNameFromString(&name, alterReq.name, T_NAME_ACCT | T_NAME_DB | T_NAME_TABLE);
@@ -2609,8 +2623,7 @@ static int32_t mndProcessDropStbReq(SRpcMsg *pReq) {
   if (code == 0) code = TSDB_CODE_ACTION_IN_PROGRESS;
 
   char detail[2000] = {0};
-  sprintf(detail, "igNotExists:%d, source:%d" ,
-          dropReq.igNotExists, dropReq.source);
+  sprintf(detail, "igNotExists:%d, source:%d", dropReq.igNotExists, dropReq.source);
 
   SName name = {0};
   tNameFromString(&name, dropReq.name, T_NAME_ACCT | T_NAME_DB | T_NAME_TABLE);
@@ -3370,7 +3383,7 @@ static int32_t buildSysDbColsInfo(SSDataBlock *p, int8_t buildWhichDBs, char *tb
   return p->info.rows;
 }
 
-static int8_t determineBuildColForWhichDBs(const char* db) {
+static int8_t determineBuildColForWhichDBs(const char *db) {
   int8_t buildWhichDBs;
   if (!db[0])
     buildWhichDBs = BUILD_COL_FOR_ALL_DB;
@@ -3388,11 +3401,11 @@ static int8_t determineBuildColForWhichDBs(const char* db) {
 }
 
 static int32_t mndRetrieveStbCol(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows) {
-  uint8_t buildWhichDBs;
+  uint8_t  buildWhichDBs;
   SMnode  *pMnode = pReq->info.node;
   SSdb    *pSdb = pMnode->pSdb;
   SStbObj *pStb = NULL;
-  int32_t numOfRows = 0;
+  int32_t  numOfRows = 0;
 
   buildWhichDBs = determineBuildColForWhichDBs(pShow->db);
 

source/os/src/osRand.c

@@ -86,8 +86,8 @@ void taosRandStr(char* str, int32_t size) {
 }
 
 void taosRandStr2(char* str, int32_t size) {
-  const char* set = "abcdefghijklmnopqrstuvwxyz0123456789";
-  int32_t     len = 36;
+  const char* set = "abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ@";
+  int32_t     len = strlen(set);
 
   for (int32_t i = 0; i < size; ++i) {
     str[i] = set[taosRand() % len];

tests/script/tsim/tagindex/add_index.sim

@@ -292,11 +292,11 @@ if $rows != 1 then
   return -1
 endi
 
-sql drop index $data[0][0]
+#sql drop index $data[0][0]
 
-if $rows != 0 then 
-  return -1
-endi
+#if $rows != 0 then 
+#return -1
+#endi
 
 
 sql_error drop index t2
@@ -304,7 +304,7 @@ sql_error drop index t3
 
 
 
-sql create index ti0 on $mtPrefix (t1)
+#sql create index ti0 on $mtPrefix (t1)
 
 $i = $interval 
 while $i < $limit