/** * 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. */ package org.apache.drill.exec.vector.complex.fn; /** * Describes the default date output format to use for JSON. Drill's default behavior for text output formats is to use * a string which can be implicitly casted back to its original type (so the same format as the SQL literal format where * applicable). However, in JSON, we also can use extended types to specifically identify the data type of the output. * In this case, Drill outputs ISO standard formats rather than SQL formats to ensure comaptibility with other systems * (namely MongoDB). */ public enum DateOutputFormat { /** * The SQL literal format for dates. This means no timezone in times and a space in between the date and time for timestamp. */ SQL, /** * The ISO standard format for dates/times. */ ISO }