LuciferYang commented on a change in pull request #30652:
URL: https://github.com/apache/spark/pull/30652#discussion_r538011539
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/parquet/ParquetScanBuilder.scala
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@@ -50,7 +50,7 @@ case class ParquetScanBuilder(
val pushDownInFilterThreshold =
sqlConf.parquetFilterPushDownInFilterThreshold
val isCaseSensitive = sqlConf.caseSensitiveAnalysis
val parquetSchema =
- new
SparkToParquetSchemaConverter(sparkSession.sessionState.conf).convert(schema)
Review comment:
Maybe another way is to refer to parquet `FileMetaData#getSchema` to
determine which filter should be pushed down, but this needs to be done once
for each file.
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