lynn created SPARK-35252:
----------------------------
Summary: PartitionReaderFactory's Implemention Class of
DataSourceV2 sqlConfi parameter is null
Key: SPARK-35252
URL: https://issues.apache.org/jira/browse/SPARK-35252
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 3.0.2
Reporter: lynn
{code:java}
// Implemention Class
package com.lynn.spark.sql.v2
import org.apache.spark.internal.Logging
import org.apache.spark.sql.catalyst.InternalRow
import org.apache.spark.sql.connector.read.{InputPartition, PartitionReader,
PartitionReaderFactory}
import org.apache.spark.sql.internal.SQLConf
import org.apache.spark.sql.types.StructType
import org.apache.spark.sql.vectorized.ColumnarBatch
case class MyPartitionReaderFactory(sqlConf: SQLConf,
dataSchema: StructType,
readSchema: StructType)
extends PartitionReaderFactory with Logging {
def batchSize = sqlConf.getConf("spark.sql.my.vectorized.batch.size")
override def createReader(partition: InputPartition):
PartitionReader[InternalRow] = {
MyRowReader(batchSize, dataSchema, readSchema)
}
override def createColumnarReader(partition: InputPartition):
PartitionReader[ColumnarBatch] = {
if(!supportColumnarReads(partition))
throw new UnsupportedOperationException("Cannot create columnar reader.")
//TODO: delete this line
println(sqlConf.getAllConfs)
MyColumnReader(batchSize, dataSchema, readSchema)
}
override def supportColumnarReads(partition: InputPartition) = true
}
{code}
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