should be it

external/duckdb/test/sql/copy/parquet/parquet_5209.test

@@ -0,0 +1,24 @@
+# name: test/sql/copy/parquet/parquet_5209.test
+# description: Issue #5209: Parquet writer did not set total_uncompressed_size in column chunk statistics
+# group: [parquet]
+
+require parquet
+
+require vector_size 2048
+
+statement ok
+SET threads=1;
+
+statement ok
+CREATE TABLE test_5209 AS SELECT range FROM range(10000);
+
+statement ok
+COPY test_5209 TO '__TEST_DIR__/test_5209.parquet' (ROW_GROUP_SIZE 1000, PARQUET_VERSION 'V1');
+
+query III
+SELECT SUM(total_compressed_size) > 10000,
+       SUM(total_uncompressed_size) > 10000,
+       SUM(total_uncompressed_size) > SUM(total_compressed_size)
+FROM parquet_metadata('__TEST_DIR__/test_5209.parquet');
+----
+1	1	1