Class Key

core/src/main/java/io/questdb/cairo/map/OrderedMap.java:1058–1140

    }

    abstract class Key implements MapKey {
        protected long appendAddr;
        protected long startAddr;

        @Override
        public MapValue createValue() {
            long keySize = commit();
            // calculate hash remembering "key" structure
            // [ key size | key block | value block ]
            long hashCode = hash();
            return createValue(keySize, hashCode);
        }

        @Override
        public MapValue createValue(long hashCode) {
            long keySize = commit();
            return createValue(keySize, hashCode);
        }

        @Override
        public MapValue findValue() {
            return findValue(value);
        }

        @Override
        public MapValue findValue2() {
            return findValue(value2);
        }

        @Override
        public MapValue findValue3() {
            return findValue(value3);
        }

        public Key init() {
            reset();
            return this;
        }

        @Override
        public void put(Record record, RecordSink sink) {
            sink.copy(record, this);
        }

        public abstract void putLong256(long l0, long l1, long l2, long l3);

        @Override
        public void putRecord(Record value) {
            // no-op
        }

        public void reset() {
            startAddr = kPos;
            appendAddr = kPos + keyOffset;
        }

        private MapValue createValue(long keySize, long hashCode) {
            int hashCodeLo = Numbers.decodeLowInt(hashCode);