{"columns":[{"name":"qid","type":"string"},{"name":"pid","type":"string"},{"name":"score","type":"int64"}],"n_rows":4,"rows_kept":4,"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-cpp-arrow version 20.0.0","schema":{"fields":[{"name":"qid","type":"string","nullable":true,"metadata":null,"children":null},{"name":"pid","type":"string","nullable":true,"metadata":null,"children":null},{"name":"score","type":"int64","nullable":true,"metadata":null,"children":null}],"parquet":"required group field_id=-1 schema {\n  optional binary field_id=-1 qid (String);\n  optional binary field_id=-1 pid (String);\n  optional int64 field_id=-1 score;\n}\n"},"kv_metadata":[["ARROW:schema",{"$cut":{"chars":972,"head":""}}],["pandas","{\"index_columns\": [], \"column_indexes\": [], \"columns\": [{\"name\": \"qid\", \"field_name\": \"qid\", \"pandas_type\": \"unicode\", \"numpy_type\": \"object\", \"metadata\": null}, {\"name\": \"pid\", \"field_name\": \"pid\", \"pandas_type\": \"unicode\", \"numpy_type\": \"object\", \"metadata\": null}, {\"name\": \"score\", \"field_name\": \"score\", \"pandas_type\": \"int64\", \"numpy_type\": \"int64\", \"metadata\": null}], \"creator\": {\"library\": \"pyarrow\", \"version\": \"20.0.0\"}, \"pandas_version\": \"2.2.3\"}"]]}
["1","2",1]
["1","3",1]
["1","1",1]
["1","4",1]