提交 18c0457a 编写于 作者: H Haojun Liao

[td-225]fix null tag caused crash.

上级 c7e96a44
......@@ -2720,7 +2720,7 @@ static void doSetTagValueInParam(void* pTable, int32_t tagColId, tVariant *tag,
val = tsdbGetTableTagVal(pTable, tagColId, type, bytes);
}
if (isNull(val, type)) {
if (val == NULL || isNull(val, type)) {
tag->nType = TSDB_DATA_TYPE_NULL;
return;
}
......@@ -6524,7 +6524,7 @@ static void doSetTagValueToResultBuf(char* output, const char* val, int16_t type
if (IS_VAR_DATA_TYPE(type)) {
// Binary data overflows for sort of unknown reasons. Let trim the overflow data
if (varDataTLen(val) > bytes) {
int32_t len = bytes;
int32_t len = bytes - VARSTR_HEADER_SIZE; // remain available space
memcpy(varDataVal(output), varDataVal(val), len);
varDataSetLen(output, len);
} else {
......
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