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fix: fix null bytes issue

This commit is contained in:
dapan1121 2022-07-12 17:10:55 +08:00
parent f54a4322c2
commit 25f80f8d3e
3 changed files with 10 additions and 1 deletions
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4
source/common/src/tdatablock.c
View File

@ -320,7 +320,9 @@ int32_t colDataAssign(SColumnInfoData* pColumnInfoData, const SColumnInfoData* p
memcpy(pColumnInfoData->pData, pSource->pData, pSource->varmeta.length); memcpy(pColumnInfoData->pData, pSource->pData, pSource->varmeta.length);
} else { } else {
memcpy(pColumnInfoData->nullbitmap, pSource->nullbitmap, BitmapLen(numOfRows)); memcpy(pColumnInfoData->nullbitmap, pSource->nullbitmap, BitmapLen(numOfRows));
memcpy(pColumnInfoData->pData, pSource->pData, pSource->info.bytes * numOfRows); if (pSource->pData) {
memcpy(pColumnInfoData->pData, pSource->pData, pSource->info.bytes * numOfRows);
}
} }
pColumnInfoData->hasNull = pSource->hasNull; pColumnInfoData->hasNull = pSource->hasNull;

2
source/libs/scalar/src/scalar.c
View File

@ -729,6 +729,7 @@ EDealRes sclRewriteFunction(SNode** pNode, SScalarCtx *ctx) {
if (colDataIsNull_s(output.columnData, 0)) { if (colDataIsNull_s(output.columnData, 0)) {
res->node.resType.type = TSDB_DATA_TYPE_NULL; res->node.resType.type = TSDB_DATA_TYPE_NULL;
res->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_NULL].bytes;
} else { } else {
res->node.resType.type = output.columnData->info.type; res->node.resType.type = output.columnData->info.type;
res->node.resType.bytes = output.columnData->info.bytes; res->node.resType.bytes = output.columnData->info.bytes;
@ -819,6 +820,7 @@ EDealRes sclRewriteOperator(SNode** pNode, SScalarCtx *ctx) {
if (colDataIsNull_s(output.columnData, 0)) { if (colDataIsNull_s(output.columnData, 0)) {
if(node->node.resType.type != TSDB_DATA_TYPE_JSON){ if(node->node.resType.type != TSDB_DATA_TYPE_JSON){
res->node.resType.type = TSDB_DATA_TYPE_NULL; res->node.resType.type = TSDB_DATA_TYPE_NULL;
res->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_NULL].bytes;
}else{ }else{
res->node.resType = node->node.resType; res->node.resType = node->node.resType;
res->isNull = true; res->isNull = true;

5
tests/script/tsim/query/scalarNull.sim
View File

@ -89,5 +89,10 @@ endi
#TODO: MOVE IT TO NORMAL CASE #TODO: MOVE IT TO NORMAL CASE
sql_error select * from tb1 where not (null); sql_error select * from tb1 where not (null);
sql select sum(1/0) from tb1;
if $rows != 1 then
return -1
endi
system sh/exec.sh -n dnode1 -s stop -x SIGINT system sh/exec.sh -n dnode1 -s stop -x SIGINT