(iceberg) branch main updated: Spark 4.1: Use enum conf parser for isolation level (#15361)

[aokolnychyi]

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aokolnychyi pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/iceberg.git


The following commit(s) were added to refs/heads/main by this push:
     new c51dda5447 Spark 4.1: Use enum conf parser for isolation level (#15361)
c51dda5447 is described below

commit c51dda5447daa04a0964871bb2ff779ed95fee6e
Author: Anton Okolnychyi <aokolnyc...@apache.org>
AuthorDate: Wed Feb 18 22:54:34 2026 -0800

    Spark 4.1: Use enum conf parser for isolation level (#15361)
---
 .../src/main/java/org/apache/iceberg/spark/SparkWriteConf.java     | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git 
a/spark/v4.1/spark/src/main/java/org/apache/iceberg/spark/SparkWriteConf.java 
b/spark/v4.1/spark/src/main/java/org/apache/iceberg/spark/SparkWriteConf.java
index d74754e4d3..1e937863c3 100644
--- 
a/spark/v4.1/spark/src/main/java/org/apache/iceberg/spark/SparkWriteConf.java
+++ 
b/spark/v4.1/spark/src/main/java/org/apache/iceberg/spark/SparkWriteConf.java
@@ -449,9 +449,10 @@ public class SparkWriteConf {
   }
 
   public IsolationLevel isolationLevel() {
-    String isolationLevelName =
-        
confParser.stringConf().option(SparkWriteOptions.ISOLATION_LEVEL).parseOptional();
-    return isolationLevelName != null ? 
IsolationLevel.fromName(isolationLevelName) : null;
+    return confParser
+        .enumConf(IsolationLevel::fromName)
+        .option(SparkWriteOptions.ISOLATION_LEVEL)
+        .parseOptional();
   }
 
   public boolean caseSensitive() {