/**
* Copyright (C) 2009-2013 FoundationDB, LLC
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.foundationdb.server.types.mcompat.mfuncs;
import com.foundationdb.server.types.LazyList;
import com.foundationdb.server.types.TExecutionContext;
import com.foundationdb.server.types.TScalar;
import com.foundationdb.server.types.TOverloadResult;
import com.foundationdb.server.types.mcompat.mtypes.MDateAndTime;
import com.foundationdb.server.types.mcompat.mtypes.MNumeric;
import com.foundationdb.server.types.value.ValueSource;
import com.foundationdb.server.types.value.ValueTarget;
import com.foundationdb.server.types.texpressions.TInputSetBuilder;
import com.foundationdb.server.types.texpressions.TScalarBase;
import org.joda.time.DateTime;
import org.joda.time.DateTimeZone;
public class MFromUnixtimeOneArg extends TScalarBase
{
public static final TScalar INSTANCE = new MFromUnixtimeOneArg();
private MFromUnixtimeOneArg(){}
@Override
protected void buildInputSets(TInputSetBuilder builder)
{
builder.covers(MNumeric.BIGINT, 0);
}
@Override
protected void doEvaluate(TExecutionContext context, LazyList<? extends ValueSource> inputs, ValueTarget output)
{
// unixtime is in second
// convert it to millis
long millis = inputs.get(0).getInt64() * 1000L;
output.putInt64(MDateAndTime.encodeDateTime(MDateAndTime.fromJodaDateTime(new DateTime(millis,
DateTimeZone.forID(
context.getCurrentTimezone())))));
}
@Override
public String displayName()
{
return "FROM_UNIXTIME";
}
@Override
public TOverloadResult resultType()
{
return TOverloadResult.fixed(MDateAndTime.DATETIME);
}
}