| # 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. |
| |
| module Arrow |
| module ArrayComputable |
| def min(options: nil) |
| compute("min", options: options).value |
| end |
| |
| def max(options: nil) |
| compute("max", options: options).value |
| end |
| |
| def uniq |
| unique.values |
| end |
| |
| # Finds the index of the first occurrence of a given value. |
| # |
| # @param value [Object] The value to be compared. |
| # |
| # @return [Integer] The index of the first occurrence of a given |
| # value on found, -1 on not found. |
| # |
| # @since 12.0.0 |
| def index(value) |
| value = Scalar.resolve(value, value_data_type) |
| compute("index", options: {value: value}).value |
| end |
| |
| private |
| def compute(name, options: nil) |
| Function.find(name).execute([self], options).value |
| end |
| end |
| end |