[GitHub] [hive] mdayakar commented on a diff in pull request #3628: HIVE-26320: Deserialize Parquet VARCHAR and CHAR types appropriately

[GitBox <gi...@apache.org>]

mdayakar commented on code in PR #3628:
URL: https://github.com/apache/hive/pull/3628#discussion_r983086619


##########
ql/src/java/org/apache/hadoop/hive/ql/io/parquet/serde/ParquetHiveSerDe.java:
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@@ -91,11 +93,61 @@ public class ParquetHiveSerDe extends AbstractSerDe implements SchemaInference {
 
   private ObjectInspector objInspector;
   private ParquetHiveRecord parquetRow;
+  private ObjectInspectorConverters.Converter converter;
 
   public ParquetHiveSerDe() {
     parquetRow = new ParquetHiveRecord();
   }
 
+  // Recursively check if CHAR or VARCHAR types are used
+  private boolean needsConversion(TypeInfo type) {
+    if (type.getTypeName().toLowerCase().startsWith(serdeConstants.CHAR_TYPE_NAME) ||
+        type.getTypeName().toLowerCase().startsWith(serdeConstants.VARCHAR_TYPE_NAME)) {

Review Comment:
   `type.getTypeName().toLowerCase()` value can be stored to a local variable and use the local variable instead of calculating the value again.



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