presto-hive/src/main/java/io/prestosql/plugin/hive/coercions/IntegerNumberUpscaleCoercer.java/IntegerNumberUpscaleCoercer/applyCoercedValue
class IntegerNumberUpscaleCoercer:    @Override
    protected void applyCoercedValue(BlockBuilder blockBuilder, Block block, int position)
    {
        toType.writeLong(blockBuilder, fromType.getLong(block, position));
    }