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[td-225]fix null tag caused crash.

This commit is contained in:
Haojun Liao 2021-03-16 10:19:00 +08:00
parent c7e96a44f1
commit 18c0457af2
1 changed files with 2 additions and 2 deletions
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4
src/query/src/qExecutor.c
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@ -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 {