arina-ielchiieva commented on a change in pull request #1370: DRILL-5797: Use
Parquet new reader more often
URL: https://github.com/apache/drill/pull/1370#discussion_r201323486
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/store/parquet/AbstractParquetScanBatchCreator.java
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@@ -191,4 +201,42 @@ protected AbstractDrillFileSystemManager(OperatorContext
operatorContext) {
protected abstract DrillFileSystem get(Configuration config, String path)
throws ExecutionSetupException;
}
+ /**
+ * Check whether any of queried columns is nested or repetitive.
+ *
+ * @param footer Parquet file schema
+ * @param columns list of query SchemaPath objects
+ */
+ public static boolean containsComplexColumn(ParquetMetadata footer,
List<SchemaPath> columns) {
Review comment:
Why it's public and static?
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