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fix: avoid crash

This commit is contained in:
yihaoDeng 2022-06-10 18:51:48 +08:00
parent 39244e08ea
commit ad25660f99
1 changed files with 21 additions and 16 deletions
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37
source/dnode/vnode/src/meta/metaQuery.c
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@ -623,23 +623,28 @@ int32_t metaFilteTableIds(SMeta *pMeta, SMetaFltParam *param, SArray *pUids) {
int32_t nTagData = 0;
void * tagData = NULL;
if (IS_VAR_DATA_TYPE(param->type)) {
tagData = varDataVal(param->val);
nTagData = varDataLen(param->val);
if (param->type == TSDB_DATA_TYPE_NCHAR) {
maxSize = 4 * nTagData + 1;
buf = taosMemoryCalloc(1, maxSize);
if (false == taosMbsToUcs4(tagData, nTagData, (TdUcs4 *)buf, maxSize, &maxSize)) {
goto END;
}
tagData = buf;
nTagData = maxSize;
}
if (param->val == NULL) {
metaError("vgId:%d failed to filter NULL data", PRIi64, TD_VID(pMeta->pVnode), uid, smaId);
return -1;
} else {
tagData = param->val;
nTagData = tDataTypes[param->type].bytes;
if (IS_VAR_DATA_TYPE(param->type)) {
tagData = varDataVal(param->val);
nTagData = varDataLen(param->val);
if (param->type == TSDB_DATA_TYPE_NCHAR) {
maxSize = 4 * nTagData + 1;
buf = taosMemoryCalloc(1, maxSize);
if (false == taosMbsToUcs4(tagData, nTagData, (TdUcs4 *)buf, maxSize, &maxSize)) {
goto END;
}
tagData = buf;
nTagData = maxSize;
}
} else {
tagData = param->val;
nTagData = tDataTypes[param->type].bytes;
}
}
ret = metaCreateTagIdxKey(pCursor->suid, pCursor->cid, tagData, nTagData, pCursor->type,
param->reverse ? INT64_MAX : INT64_MIN, &pKey, &nKey);