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[Improve](row store) avoid serialize null slot into a jsonb row (#17734)

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This could save some disk space
This commit is contained in:
lihangyu
2023-03-14 22:13:41 +08:00
committed by GitHub
parent 6348819c27
commit 7180cf3d9b
1 changed files with 2 additions and 2 deletions
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4
be/src/vec/jsonb/serialize.cpp
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@ -157,11 +157,11 @@ static void deserialize_column(PrimitiveType type, JsonbValue* slot_value, Mutab
static void serialize_column(Arena* mem_pool, const TabletColumn& tablet_column,
const IColumn* column, const StringRef& data_ref, int row,
JsonbWriterT<JsonbOutStream>& jsonb_writer) {
jsonb_writer.writeKey(tablet_column.unique_id());
if (is_column_null_at(row, column, tablet_column.type(), data_ref)) {
jsonb_writer.writeNull();
// Do nothing
return;
}
jsonb_writer.writeKey(tablet_column.unique_id());
if (tablet_column.is_array_type()) {
const char* begin = nullptr;
StringRef value = column->serialize_value_into_arena(row, *mem_pool, begin);