check equality_delete_ids when add new data file after equality deletes

Author: 张军

src/iceberg_functions/iceberg_multi_file_reader.cpp

@@ -287,7 +287,12 @@ ReaderInitializeType IcebergMultiFileReader::InitializeReader(MultiFileReaderDat
 	//! Add the columns needed by the equality deletes if not present
 	auto new_global_column_ids = global_column_ids;
 	auto &equality_to_result_id = multi_file_list.equality_id_to_result_id;
-	new_global_column_ids.resize(global_column_ids.size() + equality_to_result_id.size());
+
+	//! When add new data file after equality deletes, equality_delete_ids will be empty, while equality_to_result_id is
+	//! not empty.
+	if (!equality_delete_ids.empty()) {
+		new_global_column_ids.resize(global_column_ids.size() + equality_to_result_id.size());
+	}
 	for (auto field_id : equality_delete_ids) {
 		auto it = equality_to_result_id.find(field_id);
 		if (it == equality_to_result_id.end()) {
@@ -434,7 +439,6 @@ void IcebergMultiFileReader::FinalizeChunk(ClientContext &context, const MultiFi
 	//! Add the extra equality delete fields to output chunk.
 	idx_t diff = executor.expressions.size() - output_chunk.ColumnCount();
 	(void)diff;
-	D_ASSERT(diff == multi_file_list.equality_id_to_result_id.size());
 	if (diff > 0) {
 		int32_t start = input_chunk.ColumnCount() - diff;
 		for (int32_t i = 0; i < diff; i++) {