# 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") ) } #' Arrow enums #' @name enums #' @export #' @keywords internal TimeUnit <- enum("TimeUnit::type", SECOND = 0L, MILLI = 1L, MICRO = 2L, NANO = 3L ) #' @rdname enums #' @export DateUnit <- enum("DateUnit", DAY = 0L, MILLI = 1L) #' @rdname enums #' @export Type <- enum("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_MONTHS = 21L, INTERVAL_DAY_TIME = 22L, DECIMAL = 23L, DECIMAL256 = 24L, LIST = 25L, STRUCT = 26L, SPARSE_UNION = 27L, DENSE_UNION = 28L, DICTIONARY = 29L, MAP = 30L, EXTENSION = 31L, FIXED_SIZE_LIST = 32L, DURATION = 33L, LARGE_STRING = 34L, LARGE_BINARY = 35L, LARGE_LIST = 36L ) TYPES_WITH_NAN <- Type[c("HALF_FLOAT", "FLOAT", "DOUBLE")] #' @rdname enums #' @export StatusCode <- enum("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, PlasmaObjectNotFound = 21L, PlasmaStoreFull = 22L, PlasmaObjectAlreadySealed = 23L ) #' @rdname enums #' @export FileMode <- enum("FileMode", READ = 0L, WRITE = 1L, READWRITE = 2L ) #' @rdname enums #' @export MessageType <- enum("MessageType", NONE = 0L, SCHEMA = 1L, DICTIONARY_BATCH = 2L, RECORD_BATCH = 3L, TENSOR = 4L ) #' @rdname enums #' @export CompressionType <- enum("Compression::type", UNCOMPRESSED = 0L, SNAPPY = 1L, GZIP = 2L, BROTLI = 3L, ZSTD = 4L, LZ4 = 5L, LZ4_FRAME = 6L, LZO = 7L, BZ2 = 8L ) #' @export #' @rdname enums FileType <- enum("FileType", NotFound = 0L, Unknown = 1L, File = 2L, Directory = 3L ) #' @export #' @rdname enums ParquetVersionType <- enum("ParquetVersionType", PARQUET_1_0 = 0L, PARQUET_2_0 = 1L ) #' @export #' @rdname enums MetadataVersion <- enum("MetadataVersion", V1 = 0L, V2 = 1L, V3 = 2L, V4 = 3L, V5 = 4L ) #' @export #' @rdname enums QuantileInterpolation <- enum("QuantileInterpolation", LINEAR = 0L, LOWER = 1L, HIGHER = 2L, NEAREST = 3L, MIDPOINT = 4L ) #' @export #' @rdname enums NullEncodingBehavior <- enum("NullEncodingBehavior", ENCODE = 0L, MASK = 1L ) #' @export #' @rdname enums NullHandlingBehavior <- enum("NullHandlingBehavior", EMIT_NULL = 0L, SKIP = 1L, REPLACE = 2L ) #' @export #' @rdname enums RoundMode <- enum("RoundMode", DOWN = 0L, UP = 1L, TOWARDS_ZERO = 2L, TOWARDS_INFINITY = 3L, HALF_DOWN = 4L, HALF_UP = 5L, HALF_TOWARDS_ZERO = 6L, HALF_TOWARDS_INFINITY = 7L, HALF_TO_EVEN = 8L, HALF_TO_ODD = 9L ) #' @export #' @rdname enums JoinType <- enum("JoinType", LEFT_SEMI = 0L, RIGHT_SEMI = 1L, LEFT_ANTI = 2L, RIGHT_ANTI = 3L, INNER = 4L, LEFT_OUTER = 5L, RIGHT_OUTER = 6L, FULL_OUTER = 7L )