9349746987
column_ptr will be a none nullable column pointer after `column_ptr = &nullable_column->get_nested_column()` so we should not cast column_ptr to ColumnNullable any more
13 lines
545 B
JSON
13 lines
545 B
JSON
{"id": 1, "city": "beijing", "code": 2345671}
|
|
{"id": 2, "city": "shanghai", "code": 2345672}
|
|
{"id": 3, "city": "guangzhou", "code": 2345673}
|
|
{"id": 4, "city": "shenzhen", "code": 2345674}
|
|
{"id": 5, "city": "hangzhou", "code": 2345675}
|
|
{"id": 6, "city": "nanjing", "code": 2345676}
|
|
{"id": 7, "city": "wuhan", "code": 2345677}
|
|
{"id": 8, "city": "chengdu", "code": 2345678}
|
|
{"id": 9, "city": "xian", "code": 2345679}
|
|
{"id": 10, "city": "hefei", "code": 23456710}
|
|
{"id": 10, "city": null, "code": 23456711}
|
|
{"id": 10, "city": "hefei", "code": null}
|