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remove unused md5hash

This commit is contained in:
wangjiaming0909 2024-08-08 18:26:41 +08:00
parent 5d4569ce75
commit 1c5db0c469
1 changed files with 2 additions and 11 deletions
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13
source/libs/parser/src/parAstCreater.c
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@ -316,17 +316,8 @@ SNode* releaseRawExprNode(SAstCreateContext* pCxt, SNode* pNode) {
// See TS-3398.
// Len of pRawExpr->p could be larger than len of aliasName[TSDB_COL_NAME_LEN].
// If aliasName is truncated, hash value of aliasName could be the same.
T_MD5_CTX ctx;
tMD5Init(&ctx);
tMD5Update(&ctx, (uint8_t*)pRawExpr->p, pRawExpr->n);
tMD5Final(&ctx);
char* p = pExpr->aliasName;
for (uint8_t i = 0; i < tListLen(ctx.digest); ++i) {
sprintf(p, "%02x", ctx.digest[i]);
p += 2;
}
uint64_t a = MurmurHash3_64(pRawExpr->p, pRawExpr->n);
sprintf(pExpr->aliasName, "%"PRIu64, a);
uint64_t hashVal = MurmurHash3_64(pRawExpr->p, pRawExpr->n);
sprintf(pExpr->aliasName, "%"PRIu64, hashVal);
strncpy(pExpr->userAlias, pRawExpr->p, len);
pExpr->userAlias[len] = '\0';
}