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 *  Copyright (c) 2014-2019 Appsicle
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package io.questdb.griffin.engine.functions.columns;

import io.questdb.std.Unsafe;

public class ColumnUtils {
    public static final int STATIC_COLUMN_COUNT = 32;

    public static void symbolColumnUpdateKeys(long columnMemory, long columnMemorySize, long remapTableMemory, long remapMemorySize) {
        for (int offset = 0; offset < columnMemorySize; offset += Integer.BYTES) {
            final int oldKey = Unsafe.getUnsafe().getInt(columnMemory + offset);
            final long remapOffset = (long) oldKey * Integer.BYTES;
            if (remapOffset >= 0 && remapOffset < remapMemorySize) {
                final int newKey = Unsafe.getUnsafe().getInt(remapTableMemory + remapOffset);
                Unsafe.getUnsafe().putInt(columnMemory + offset, newKey);
            }
        }
    }
}