{"columns":[{"name":"customer_id","type":"string"},{"name":"customerId","type":"int64"},{"name":"customer_id_decimal","type":"decimal128(6, 3)"},{"name":"user_info","type":"struct<personal_information: struct<email: string, first_name: string, last_name: string>>"},{"name":"days_off","type":"list<item: string>"}],"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-cpp version 1.5.1-SNAPSHOT","schema":{"fields":[{"name":"customer_id","type":"string","nullable":true,"metadata":null,"children":null},{"name":"customerId","type":"int64","nullable":true,"metadata":null,"children":null},{"name":"customer_id_decimal","type":"decimal128(6, 3)","nullable":true,"metadata":null,"children":null},{"name":"user_info","type":"struct<personal_information: struct<email: string, first_name: string, last_name: string>>","nullable":true,"metadata":null,"children":[{"name":"personal_information","type":"struct<email: string, first_name: string, last_name: string>","nullable":true,"metadata":null,"children":[{"name":"email","type":"string","nullable":true,"metadata":null,"children":null},{"name":"first_name","type":"string","nullable":true,"metadata":null,"children":null},{"name":"last_name","type":"string","nullable":true,"metadata":null,"children":null}]}]},{"name":"days_off","type":"list<item: string>","nullable":true,"metadata":null,"children":[{"name":"item","type":"string","nullable":true,"metadata":null,"children":null}]}],"parquet":"required group field_id=-1 schema {\n  optional binary field_id=-1 customer_id (String);\n  optional int64 field_id=-1 customerId;\n  optional fixed_len_byte_array(3) field_id=-1 customer_id_decimal (Decimal(precision=6, scale=3));\n  optional group field_id=-1 user_info {\n    optional group field_id=-1 personal_information {\n      optional binary field_id=-1 email (String);\n      optional binary field_id=-1 first_name (String);\n      optional binary field_id=-1 last_name (String);\n    }\n  }\n  optional group field_id=-1 days_off (List) {\n    repeated group field_id=-1 list {\n      optional binary field_id=-1 item (String);\n    }\n  }\n}\n"},"kv_metadata":[["ARROW:schema",{"$cut":{"chars":2156,"head":""}}],["pandas","{\"index_columns\": [{\"kind\": \"range\", \"name\": null, \"start\": 0, \"stop\": 3, \"step\": 1}], \"column_indexes\": [{\"name\": null, \"field_name\": null, \"pandas_type\": \"unicode\", \"numpy_type\": \"object\", \"metadata\": {\"encoding\": \"UTF-8\"}}], \"columns\": [{\"name\": \"customer_id\", \"field_name\": \"customer_id\", \"pandas_type\": \"unicode\", \"numpy_type\": \"object\", \"metadata\": null}, {\"name\": \"customerId\", \"field_name\": \"customerId\", \"pandas_type\": \"int64\", \"numpy_type\": \"int64\", \"metadata\": null}, {\"name\": \"customer_id_decimal\", \"field_name\": \"customer_id_decimal\", \"pandas_type\": \"decimal\", \"numpy_type\": \"object\", \"metadata\": {\"precision\": 6, \"scale\": 3}}, {\"name\": \"user_info\", \"field_name\": \"user_info\", \"pandas_type\": \"object\", \"numpy_type\": \"object\", \"metadata\": null}, {\"name\": \"days_off\", \"field_name\": \"days_off\", \"pandas_type\": \"list[unicode]\", \"numpy_type\": \"object\", \"metadata\": null}], \"creator\": {\"library\": \"pyarrow\", \"version\": \"0.17.1\"}, \"pandas_version\": \"0.25.3\"}"]]}
["12345",12345,"123.450",{"personal_information":{"email":"12345@test.com","first_name":"John","last_name":"Doe"}},["2020-01-01","2020-01-02"]]
["23456",23456,"234.560",{"personal_information":{"email":"23456@test.com","first_name":"Jane","last_name":"Doe"}},["2020-01-01","2020-01-07"]]
["34567",34567,"345.670",{"personal_information":{"email":"34567@test.com","first_name":"Mary","last_name":"Smith"}},["2020-01-05"]]