xiaotianzhang01 commented on a change in pull request #3728:
URL: https://github.com/apache/iceberg/pull/3728#discussion_r781716514



##########
File path: 
spark/v3.2/spark/src/main/java/org/apache/iceberg/spark/Spark3Util.java
##########
@@ -598,7 +598,8 @@ private static String 
sqlString(org.apache.iceberg.expressions.Literal<?> lit) {
       if (lit.value() instanceof String) {
         return "'" + lit.value() + "'";
       } else if (lit.value() instanceof ByteBuffer) {
-        throw new IllegalArgumentException("Cannot convert bytes to SQL 
literal: " + lit);
+        // produce a literal value that Spark can parse
+        return lit.toString();

Review comment:
       Okay, got it




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