| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| |
| #' @export |
| `print.arrow-enum` <- function(x, ...){ |
| NextMethod() |
| } |
| |
| enum <- function(class, ..., .list = list(...)){ |
| structure( |
| .list, |
| class = c(class, "arrow-enum") |
| ) |
| } |
| |
| #' @rdname DataType |
| #' @export |
| TimeUnit <- enum("arrow::TimeUnit::type", |
| SECOND = 0L, MILLI = 1L, MICRO = 2L, NANO = 3L |
| ) |
| |
| #' @rdname DataType |
| #' @export |
| DateUnit <- enum("arrow::DateUnit", DAY = 0L, MILLI = 1L) |
| |
| #' @rdname DataType |
| #' @export |
| Type <- enum("arrow::Type::type", |
| "NA" = 0L, BOOL = 1L, UINT8 = 2L, INT8 = 3L, UINT16 = 4L, INT16 = 5L, |
| UINT32 = 6L, INT32 = 7L, UINT64 = 8L, INT64 = 9L, |
| HALF_FLOAT = 10L, FLOAT = 11L, DOUBLE = 12L, STRING = 13L, |
| BINARY = 14L, FIXED_SIZE_BINARY = 15L, DATE32 = 16L, DATE64 = 17L, TIMESTAMP = 18L, |
| TIME32 = 19L, TIME64 = 20L, INTERVAL = 21L, DECIMAL = 22L, LIST = 23L, STRUCT = 24L, |
| UNION = 25L, DICTIONARY = 26L, MAP = 27L |
| ) |
| |
| #' @rdname DataType |
| #' @export |
| StatusCode <- enum("arrow::StatusCode", |
| OK = 0L, OutOfMemory = 1L, KeyError = 2L, TypeError = 3L, |
| Invalid = 4L, IOError = 5L, CapacityError = 6L, IndexError = 7L, |
| UnknownError = 9L, NotImplemented = 10L, SerializationError = 11L, |
| PythonError = 12L, RError = 13L, |
| PlasmaObjectExists = 20L, PlasmaObjectNonexistent = 21L, |
| PlasmaStoreFull = 22L, PlasmaObjectAlreadySealed = 23L |
| ) |
| |
| #' @rdname DataType |
| #' @export |
| FileMode <- enum("arrow::io::FileMode", |
| READ = 0L, WRITE = 1L, READWRITE = 2L |
| ) |
| |
| #' @rdname DataType |
| #' @export |
| MessageType <- enum("arrow::ipc::Message::Type", |
| NONE = 0L, SCHEMA = 1L, DICTIONARY_BATCH = 2L, RECORD_BATCH = 3L, TENSOR = 4L |
| ) |
| |
| #' @rdname DataType |
| #' @export |
| CompressionType <- enum("arrow::Compression::type", |
| UNCOMPRESSED = 0L, SNAPPY = 1L, GZIP = 2L, BROTLI = 3L, ZSTD = 4L, LZ4 = 5L, LZO = 6L, BZ2 = 7L |
| ) |