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[HOPSWORKS-3233] Timestamp incompatibility Spark/Hive/Hudi - Hive fix…
… - release 3.1.1.3 (apache#31)
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76 changes: 76 additions & 0 deletions
76
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/DaysWritableV2.scala
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/* | ||
* 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. | ||
*/ | ||
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package org.apache.spark.sql.execution.datasources | ||
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import java.io.{DataInput, DataOutput, IOException} | ||
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import org.apache.hadoop.hive.common.`type`.Date | ||
import org.apache.hadoop.hive.serde2.io.DateWritableV2 | ||
import org.apache.hadoop.io.WritableUtils | ||
import org.apache.spark.sql.catalyst.util.RebaseDateTime.{rebaseGregorianToJulianDays, rebaseJulianToGregorianDays} | ||
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/** | ||
* The class accepts/returns days in Gregorian calendar and rebase them | ||
* via conversion to local date in Julian calendar for dates before 1582-10-15 | ||
* in read/write for backward compatibility with Spark 2.4 and earlier versions. | ||
* | ||
* @param gregorianDays The number of days since the epoch 1970-01-01 in | ||
* Gregorian calendar. | ||
* @param julianDays The number of days since the epoch 1970-01-01 in | ||
* Julian calendar. | ||
*/ | ||
class DaysWritableV2( | ||
var gregorianDays: Int, | ||
var julianDays: Int) | ||
extends DateWritableV2 { | ||
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def this() = this(0, 0) | ||
def this(gregorianDays: Int) = | ||
this(gregorianDays, rebaseGregorianToJulianDays(gregorianDays)) | ||
def this(dateWritable: DateWritableV2) = { | ||
this( | ||
gregorianDays = dateWritable match { | ||
case daysWritable: DaysWritableV2 => daysWritable.gregorianDays | ||
case dateWritable: DateWritableV2 => | ||
rebaseJulianToGregorianDays(dateWritable.getDays) | ||
}, | ||
julianDays = dateWritable.getDays) | ||
} | ||
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override def getDays: Int = julianDays | ||
override def get: Date = { | ||
Date.ofEpochMilli(DateWritableV2.daysToMillis(julianDays)) | ||
} | ||
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override def set(d: Int): Unit = { | ||
gregorianDays = d | ||
julianDays = rebaseGregorianToJulianDays(d) | ||
} | ||
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@throws[IOException] | ||
override def write(out: DataOutput): Unit = { | ||
WritableUtils.writeVInt(out, julianDays) | ||
} | ||
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@throws[IOException] | ||
override def readFields(in: DataInput): Unit = { | ||
julianDays = WritableUtils.readVInt(in) | ||
gregorianDays = rebaseJulianToGregorianDays(julianDays) | ||
} | ||
} |
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