[GitHub] [iceberg] kbendick commented on a change in pull request #3979: Spark: Handle CaseSenstivity in runtimeFiltering of Spark

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

kbendick commented on a change in pull request #3979:
URL: https://github.com/apache/iceberg/pull/3979#discussion_r792204394



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File path: spark/v3.2/spark/src/test/java/org/apache/iceberg/spark/source/TestRuntimeFiltering.java
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@@ -177,13 +177,21 @@ public void testMultipleRuntimeFilters() throws NoSuchTableException {
         "SELECT f.* FROM %s f JOIN dim d ON f.id = d.id AND f.data = d.data AND d.date = DATE '1970-01-02'",
         tableName);
 
+    String caseInsensitiveQuery = String.format(
+        "SELECT f.* FROM %s f JOIN dim d ON f.Id = d.id AND f.Data = d.data AND d.date = DATE '1970-01-02'",

Review comment:
       Can you please go all out in making this case insensitivity check a bit more clear?
   
   Namely, finding the characters that were different from the above wasn't that quickly obvious.
   
   I would say go wild and make as much of it as you can have funky non-standard casing. Like `select f.* from %s F join dim d ON f.Id = d.iD and f.DaTa = d.dAtA and d.dAtE = date '1970-01--02'`




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