mbutrovich commented on code in PR #2447:
URL: https://github.com/apache/datafusion-comet/pull/2447#discussion_r2391075529
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common/src/main/scala/org/apache/comet/parquet/CometParquetUtils.scala:
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@@ -20,13 +20,30 @@
package org.apache.comet.parquet
import org.apache.hadoop.conf.Configuration
+import org.apache.parquet.crypto.DecryptionPropertiesFactory
+import org.apache.parquet.crypto.keytools.KeyToolkit
import org.apache.spark.sql.internal.SQLConf
object CometParquetUtils {
private val PARQUET_FIELD_ID_WRITE_ENABLED =
"spark.sql.parquet.fieldId.write.enabled"
private val PARQUET_FIELD_ID_READ_ENABLED =
"spark.sql.parquet.fieldId.read.enabled"
private val IGNORE_MISSING_PARQUET_FIELD_ID =
"spark.sql.parquet.fieldId.read.ignoreMissing"
+ // Map of unsupported encryption configuration key-value pairs
+ private val UNSUPPORTED_ENCRYPTION_CONFIGS: Map[String, Set[String]] = Map(
+ "parquet.encryption.algorithm" -> Set("AES_GCM_CTR_V1")
Review Comment:
https://github.com/apache/parquet-java/blob/f3542ee639fc4dbdcc79f82c0d30f202e8a2338a/parquet-hadoop/src/main/java/org/apache/parquet/crypto/keytools/PropertiesDrivenCryptoFactory.java#L60
https://github.com/apache/arrow-rs/blob/8eca76df2986908bcfa175fa6b16c52d1019a874/parquet/src/file/metadata/parser.rs#L494
I can add links.
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