/**
* 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.
*/
<@pp.dropOutputFile />
<#list cast.types as type>
<#if type.major == "VarCharInterval"> <#-- Template to convert from VarChar to Interval, IntervalYear, IntervalDay -->
<@pp.changeOutputFile name="/org/apache/drill/exec/expr/fn/impl/gcast/Cast${type.from}To${type.to}.java" />
<#include "/@includes/license.ftl" />
package org.apache.drill.exec.expr.fn.impl.gcast;
import io.netty.buffer.ByteBuf;
import org.apache.drill.exec.expr.DrillSimpleFunc;
import org.apache.drill.exec.expr.annotations.FunctionTemplate;
import org.apache.drill.exec.expr.annotations.FunctionTemplate.NullHandling;
import org.apache.drill.exec.expr.annotations.Output;
import org.apache.drill.exec.expr.annotations.Param;
import org.apache.drill.exec.expr.annotations.Workspace;
import org.apache.drill.exec.expr.holders.*;
import org.apache.drill.exec.record.RecordBatch;
import org.joda.time.MutableDateTime;
import org.joda.time.DateTimeZone;
import org.joda.time.DateMidnight;
import org.apache.drill.exec.expr.fn.impl.DateUtility;
import javax.inject.Inject;
import io.netty.buffer.DrillBuf;
/*
* This class is generated using freemarker and the ${.template_name} template.
*/
@SuppressWarnings("unused")
@FunctionTemplate(name = "cast${type.to?upper_case}", scope = FunctionTemplate.FunctionScope.SIMPLE, nulls=NullHandling.NULL_IF_NULL)
public class Cast${type.from}To${type.to} implements DrillSimpleFunc {
@Param ${type.from}Holder in;
@Output ${type.to}Holder out;
public void setup() {
}
public void eval() {
byte[] buf = new byte[in.end - in.start];
in.buffer.getBytes(in.start, buf, 0, in.end - in.start);
String input = new String(buf, com.google.common.base.Charsets.UTF_8);
// Parse the ISO format
org.joda.time.Period period = org.joda.time.Period.parse(input);
<#if type.to == "Interval">
out.months = (period.getYears() * org.apache.drill.exec.expr.fn.impl.DateUtility.yearsToMonths) + period.getMonths();
out.days = period.getDays();
out.milliseconds = (period.getHours() * org.apache.drill.exec.expr.fn.impl.DateUtility.hoursToMillis) +
(period.getMinutes() * org.apache.drill.exec.expr.fn.impl.DateUtility.minutesToMillis) +
(period.getSeconds() * org.apache.drill.exec.expr.fn.impl.DateUtility.secondsToMillis) +
(period.getMillis());
<#elseif type.to == "IntervalDay">
out.days = period.getDays();
out.milliseconds = (period.getHours() * org.apache.drill.exec.expr.fn.impl.DateUtility.hoursToMillis) +
(period.getMinutes() * org.apache.drill.exec.expr.fn.impl.DateUtility.minutesToMillis) +
(period.getSeconds() * org.apache.drill.exec.expr.fn.impl.DateUtility.secondsToMillis) +
(period.getMillis());
<#elseif type.to == "IntervalYear">
out.value = (period.getYears() * org.apache.drill.exec.expr.fn.impl.DateUtility.yearsToMonths) + period.getMonths();
</#if>
}
}
</#if> <#-- type.major -->
</#list>