io.questdb.griffin.engine.functions.DateFunction Maven / Gradle / Ivy

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 *
 *  Copyright (c) 2014-2019 Appsicle
 *  Copyright (c) 2019-2020 QuestDB
 *
 *  Licensed 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 io.questdb.griffin.engine.functions;


import io.questdb.cairo.ColumnType;
import io.questdb.cairo.sql.Record;
import io.questdb.cairo.sql.RecordCursorFactory;
import io.questdb.cairo.sql.ScalarFunction;
import io.questdb.std.BinarySequence;
import io.questdb.std.Long256;
import io.questdb.std.Numbers;
import io.questdb.std.str.CharSink;

public abstract class DateFunction implements ScalarFunction {
    private final int position;

    public DateFunction(int position) {
        this.position = position;
    }

    @Override
    public Long256 getLong256A(Record rec) {
        throw new UnsupportedOperationException();
    }

    @Override
    public Long256 getLong256B(Record rec) {
        throw new UnsupportedOperationException();
    }

    @Override
    public char getChar(Record rec) {
        throw new UnsupportedOperationException();
    }

    @Override
    public final BinarySequence getBin(Record rec) {
        throw new UnsupportedOperationException();
    }

    @Override
    public long getBinLen(Record rec) {
        throw new UnsupportedOperationException();
    }

    @Override
    public final boolean getBool(Record rec) {
        throw new UnsupportedOperationException();
    }

    @Override
    public final byte getByte(Record rec) {
        throw new UnsupportedOperationException();
    }

    @Override
    public final double getDouble(Record rec) {
        return Numbers.longToDouble(getDate(rec));
    }

    @Override
    public final float getFloat(Record rec) {
        return Numbers.longToFloat(getDate(rec));
    }

    @Override
    public final int getInt(Record rec) {
        throw new UnsupportedOperationException();
    }

    @Override
    public final long getLong(Record rec) {
        return getDate(rec);
    }

    @Override
    public int getPosition() {
        return position;
    }

    @Override
    public RecordCursorFactory getRecordCursorFactory() {
        throw new UnsupportedOperationException();
    }

    @Override
    public final short getShort(Record rec) {
        throw new UnsupportedOperationException();
    }

    @Override
    public final CharSequence getStr(Record rec) {
        throw new UnsupportedOperationException();
    }

    @Override
    public final void getStr(Record rec, CharSink sink) {
        throw new UnsupportedOperationException();
    }

    @Override
    public final CharSequence getStrB(Record rec) {
        throw new UnsupportedOperationException();
    }

    @Override
    public final int getStrLen(Record rec) {
        throw new UnsupportedOperationException();
    }

    @Override
    public final CharSequence getSymbol(Record rec) {
        throw new UnsupportedOperationException();
    }

    @Override
    public final CharSequence getSymbolB(Record rec) {
        throw new UnsupportedOperationException();
    }

    @Override
    public final long getTimestamp(Record rec) {
        final long value = getDate(rec);
        return value == Numbers.LONG_NaN ? value : value * 1000L;
    }

    @Override
    public void getLong256(Record rec, CharSink sink) {
        throw new UnsupportedOperationException();
    }

    @Override
    public final int getType() {
        return ColumnType.DATE;
    }
}