PhysicalType : int Cases BOOLEAN BYTE_ARRAY = 6 DOUBLE = 5 FIXED_LEN_BYTE_ARRAY = 7 FLOAT = 4 INT32 = 1 INT64 = 2 INT96 = 3 Cases BOOLEAN BYTE_ARRAY DOUBLE FIXED_LEN_BYTE_ARRAY FLOAT INT32 INT64 INT96 ×