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enh gen first tag name

This commit is contained in:
yihaoDeng 2023-10-20 10:44:33 +08:00
parent 8fbea08bba
commit c0c6e206d2
1 changed files with 0 additions and 15 deletions
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15
source/dnode/mnode/impl/src/mndStb.c
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@ -859,21 +859,6 @@ int32_t mndBuildStbFromReq(SMnode *pMnode, SStbObj *pDst, SMCreateStbReq *pCreat
return 0; return 0;
} }
static int32_t mndGenIdxNameForFirstTag(char *fullname, char *dbname, char *tagname) { 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
taosSeedRand(taosSafeRand());
int64_t len = taosRand() % (end - start + 1) + start;
taosRandStr2(randStr, len);
sprintf(fullname, "%s.%s_%s", dbname, tagname, randStr);
}
return 0; return 0;
} }