MaxGekk commented on a change in pull request #25981: [SPARK-28420][SQL] Support the `INTERVAL` type in `date_part()` URL: https://github.com/apache/spark/pull/25981#discussion_r329880378
########## File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/intervalExpressions.scala ########## @@ -0,0 +1,107 @@ +/* + * 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.spark.sql.catalyst.expressions.interval + +import java.util.Locale + +import org.apache.spark.sql.catalyst.expressions.{ExpectsInputTypes, Expression, UnaryExpression} +import org.apache.spark.sql.catalyst.expressions.codegen.{CodegenContext, ExprCode} +import org.apache.spark.sql.catalyst.util.IntervalUtils +import org.apache.spark.sql.catalyst.util.IntervalUtils._ +import org.apache.spark.sql.types._ +import org.apache.spark.unsafe.types.CalendarInterval + +abstract class IntervalPart( + child: Expression, + val dataType: DataType, + func: CalendarInterval => Any, + funcName: String) + extends UnaryExpression + with ExpectsInputTypes + with Serializable { + override def inputTypes: Seq[AbstractDataType] = Seq(CalendarIntervalType) + override protected def nullSafeEval(interval: Any): Any = { + func(interval.asInstanceOf[CalendarInterval]) + } + override protected def doGenCode(ctx: CodegenContext, ev: ExprCode): ExprCode = { + val iu = IntervalUtils.getClass.getName.stripSuffix("$") + defineCodeGen(ctx, ev, c => s"$iu.$funcName($c)") + } +} + +case class Millenniums(child: Expression) + extends IntervalPart(child, IntegerType, getMillenniums, "getMillenniums") + +case class Centuries(child: Expression) + extends IntervalPart(child, IntegerType, getCenturies, "getCenturies") + +case class Decades(child: Expression) + extends IntervalPart(child, IntegerType, getDecades, "getDecades") + +case class Years(child: Expression) extends IntervalPart(child, IntegerType, getYears, "getYears") + +case class Quarters(child: Expression) + extends IntervalPart(child, ByteType, getQuarters, "getQuarters") + +case class Months(child: Expression) extends IntervalPart(child, ByteType, getMonths, "getMonths") + +case class Days(child: Expression) extends IntervalPart(child, LongType, getDays, "getDays") + +case class Hours(child: Expression) extends IntervalPart(child, ByteType, getHours, "getHours") + +case class Minutes(child: Expression) + extends IntervalPart(child, ByteType, getMinutes, "getMinutes") + +case class Seconds(child: Expression) + extends IntervalPart(child, DecimalType(8, 6), getSeconds, "getSeconds") + +case class Milliseconds(child: Expression) + extends IntervalPart(child, DecimalType(8, 3), getMilliseconds, "getMilliseconds") Review comment: Probably I wrote it manually, and didn't rerun `scalafmt`. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
