| 48 | // MapBuilder |
| 49 | |
| 50 | MapBuilder::MapBuilder(MemoryPool* pool, const std::shared_ptr<ArrayBuilder>& key_builder, |
| 51 | const std::shared_ptr<ArrayBuilder>& item_builder, |
| 52 | const std::shared_ptr<DataType>& type) |
| 53 | : ArrayBuilder(pool), key_builder_(key_builder), item_builder_(item_builder) { |
| 54 | auto map_type = internal::checked_cast<const MapType*>(type.get()); |
| 55 | entries_name_ = map_type->field(0)->name(); |
| 56 | key_name_ = map_type->key_field()->name(); |
| 57 | item_name_ = map_type->item_field()->name(); |
| 58 | item_nullable_ = map_type->item_field()->nullable(); |
| 59 | keys_sorted_ = map_type->keys_sorted(); |
| 60 | |
| 61 | std::vector<std::shared_ptr<ArrayBuilder>> child_builders{key_builder, item_builder}; |
| 62 | auto struct_builder = |
| 63 | std::make_shared<StructBuilder>(map_type->value_type(), pool, child_builders); |
| 64 | |
| 65 | list_builder_ = |
| 66 | std::make_shared<ListBuilder>(pool, struct_builder, struct_builder->type()); |
| 67 | } |
| 68 | |
| 69 | MapBuilder::MapBuilder(MemoryPool* pool, const std::shared_ptr<ArrayBuilder>& key_builder, |
| 70 | const std::shared_ptr<ArrayBuilder>& item_builder, |