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Create a well-defined, cross-language specification for data compute operations

There is a newer version: 0.46.1

package io.substrait.relation;

import io.substrait.type.Type;
import io.substrait.type.TypeCreator;
import java.util.stream.Stream;
import org.immutables.value.Value;

@Value.Immutable
public abstract class Cross extends BiRel implements HasExtension {

  @Override
  protected Type.Struct deriveRecordType() {
    return TypeCreator.REQUIRED.struct(
        Stream.concat(
            getLeft().getRecordType().fields().stream(),
            getRight().getRecordType().fields().stream()));
  }

  @Override
  public  O accept(RelVisitor visitor) throws E {
    return visitor.visit(this);
  }

  public static ImmutableCross.Builder builder() {
    return ImmutableCross.builder();
  }
}