hemanthboyina commented on code in PR #58945:
URL: https://github.com/apache/spark/pull/58945#discussion_r4068884033
##########
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetUtils.scala:
##########
@@ -323,54 +326,62 @@ object ParquetUtils extends Logging {
private[sql] def getPushedDownAggResult(
footer: ParquetMetadata,
filePath: String,
- dataSchema: StructType,
partitionSchema: StructType,
- aggregation: Aggregation)
+ aggregation: Aggregation,
+ aggSchema: StructType)
: (Array[PrimitiveType], Array[Any]) = {
val footerFileMetaData = footer.getFileMetaData
- val fields = footerFileMetaData.getSchema.getFields
+ // Resolve by name in the file's own schema; a positional lookup breaks
under mergeSchema.
+ val fileSchema = footerFileMetaData.getSchema
+ def fileFieldIndex(colName: String): Int =
+ if (fileSchema.containsField(colName)) fileSchema.getFieldIndex(colName)
else -1
Review Comment:
done, fixed it now
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