[GitHub] [incubator-kyuubi] mmuru commented on a change in pull request #1476: [KYUUBI #1458] Delta lake table columns won't show up in DBeaver.

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mmuru commented on a change in pull request #1476:
URL: https://github.com/apache/incubator-kyuubi/pull/1476#discussion_r759894719



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File path: externals/kyuubi-spark-sql-engine/src/main/scala/org/apache/kyuubi/engine/spark/shim/CatalogShim_v2_4.scala
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@@ -125,7 +126,12 @@ class CatalogShim_v2_4 extends SparkCatalogShim {
     databases.flatMap { db =>
       val identifiers = catalog.listTables(db, tablePattern, includeLocalTempViews = true)
       catalog.getTablesByName(identifiers).flatMap { t =>
-        t.schema.zipWithIndex.filter(f => columnPattern.matcher(f._1.name).matches())
+        var tableSchema: StructType = null;
+        tableSchema = t.schema
+        if (t.provider.getOrElse("") == "delta") {
+          tableSchema = spark.table(t.identifier.table).schema
+        }
+        tableSchema.zipWithIndex.filter(f => columnPattern.matcher(f._1.name).matches())

Review comment:
       Yes, I changed it.  No, 'delta' is always lower case so I added equalsIgnoreCase. 




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