Describe the bug, including details regarding any error messages, version, and platform.
Show in apache/arrow#49114 (comment).
list<map<string, string>> schema will generate this structure, and the MAP_KEY_VALUE annotation at middle level is not required in parquet's spec https://github.com/apache/parquet-format/blob/master/LogicalTypes.md#maps.
required group list_of_maps (LIST) {
repeated group array (MAP) {
repeated group key_value (MAP_KEY_VALUE) { // <-- here
required binary key (STRING);
required binary value (STRING);
}
}
}
Component(s)
Thrift