jacktengg commented on code in PR #48554:
URL: https://github.com/apache/doris/pull/48554#discussion_r1978499328
##########
be/src/vec/columns/column_decimal.cpp:
##########
@@ -100,12 +100,10 @@ void
ColumnDecimal<T>::serialize_vec_with_null_map(StringRef* keys, size_t num_r
}
} else {
for (size_t i = 0; i < num_rows; ++i) {
- if (null_map[i] == 0) {
- char* __restrict dest = const_cast<char*>(keys[i].data +
+keys[i].size);
- memset(dest, 0, 1);
- memcpy_fixed<T>(dest + 1, (char*)&data[i]);
- keys[i].size += sizeof(T) + sizeof(UInt8);
- }
+ char* __restrict dest = const_cast<char*>(keys[i].data +
+keys[i].size);
Review Comment:
是的，走到101的else分支，说明null_map里面全部是0
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