scala.com.crealytics.spark.excel.v2.ExcelScanBuilder.scala Maven / Gradle / Ivy
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A Spark plugin for reading and writing Excel files
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/*
* Copyright 2022 Martin Mauch (@nightscape)
*
* 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 com.crealytics.spark.excel.v2
import org.apache.spark.sql.SparkSession
import org.apache.spark.sql.connector.read.Scan
import org.apache.spark.sql.execution.datasources.PartitioningAwareFileIndex
import org.apache.spark.sql.execution.datasources.v2.FileScanBuilder
import org.apache.spark.sql.internal.connector.SupportsPushDownCatalystFilters
import org.apache.spark.sql.types.StructType
import org.apache.spark.sql.util.CaseInsensitiveStringMap
case class ExcelScanBuilder(
sparkSession: SparkSession,
fileIndex: PartitioningAwareFileIndex,
schema: StructType,
dataSchema: StructType,
options: CaseInsensitiveStringMap
) extends FileScanBuilder(sparkSession, fileIndex, dataSchema)
with SupportsPushDownCatalystFilters {
override def build(): Scan = {
ExcelScan(sparkSession, fileIndex, dataSchema, readDataSchema(), readPartitionSchema(), options, pushedDataFilters)
}
}