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An open-source toolkit for large-scale genomic analysis

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/*
 * Copyright 2019 The Glow Authors
 *
 * 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.
 */

package io.projectglow

import org.apache.spark.sql.catalyst.InternalRow
import org.apache.spark.sql.catalyst.expressions.ExpressionInfo

// Spark APIs that are not inter-version compatible
trait SparkShimBase {
  type CSVOptions
  type UnivocityParser

  def wrapUnivocityParse(parser: UnivocityParser)(input: String): Option[InternalRow]

  def createExpressionInfo(
      className: String,
      db: String,
      name: String,
      usage: String,
      arguments: String,
      examples: String,
      note: String,
      since: String): ExpressionInfo

  abstract class QuaternaryExpression
}