{"columns":[{"name":"a","type":"list<element: list<element: list<element: string>>>"},{"name":"b","type":"int32"}],"n_rows":3,"rows_kept":3,"cut":false,"text_format":"parquet-jsonl-2026-10-02","bounds":{"document_bytes":16777216,"package_text_limit_bytes":33554432,"package_text_slack_bytes":1024,"rows_first":2000,"rows_last":500,"rows_between":2000,"halvings":0,"cell_chars":16384,"cell_head_chars":4096,"vector_min":64,"vector_head_fixed":16,"vector_head_variable":64,"kv_value_chars":1048576,"nesting_max":64,"binary_text":true},"cells_cut":0,"cells_bad_utf8":0,"cells_raw":0,"cells_binary":0,"cells_binary_text":0,"cells_vector":0,"n_row_groups":1,"reader":"pyarrow 23.0.1, python 3.13","created_by":"parquet-mr version 1.8.2 (build c6522788629e590a53eb79874b95f6c3ff11f16c)","schema":{"fields":[{"name":"a","type":"list<element: list<element: list<element: string>>>","nullable":true,"metadata":null,"children":[{"name":"element","type":"list<element: list<element: string>>","nullable":true,"metadata":null,"children":[{"name":"element","type":"list<element: string>","nullable":true,"metadata":null,"children":[{"name":"element","type":"string","nullable":true,"metadata":null,"children":null}]}]}]},{"name":"b","type":"int32","nullable":false,"metadata":null,"children":null}],"parquet":"required group field_id=-1 spark_schema {\n  optional group field_id=-1 a (List) {\n    repeated group field_id=-1 list {\n      optional group field_id=-1 element (List) {\n        repeated group field_id=-1 list {\n          optional group field_id=-1 element (List) {\n            repeated group field_id=-1 list {\n              optional binary field_id=-1 element (String);\n            }\n          }\n        }\n      }\n    }\n  }\n  required int32 field_id=-1 b;\n}\n"},"kv_metadata":[["org.apache.spark.sql.parquet.row.metadata","{\"type\":\"struct\",\"fields\":[{\"name\":\"a\",\"type\":{\"type\":\"array\",\"elementType\":{\"type\":\"array\",\"elementType\":{\"type\":\"array\",\"elementType\":\"string\",\"containsNull\":true},\"containsNull\":true},\"containsNull\":true},\"nullable\":true,\"metadata\":{}},{\"name\":\"b\",\"type\":\"integer\",\"nullable\":false,\"metadata\":{}}]}"]]}
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