viirya commented on code in PR #36328:
URL: https://github.com/apache/spark/pull/36328#discussion_r857152711


##########
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetFilterSuite.scala:
##########
@@ -1934,6 +1949,43 @@ abstract class ParquetFilterSuite extends QueryTest with 
ParquetTest with Shared
       checkAnswer(notIn, Seq())
     }
   }
+
+  private def testStringPredicateWithDictionaryFilter(
+      dataFrame: DataFrame, filter: String): Unit = {
+    Seq(true, false).foreach { enableDictionary =>
+      withTempPath { dir =>
+        val path = dir.getCanonicalPath
+        dataFrame.write
+          .option(ParquetOutputFormat.ENABLE_DICTIONARY, enableDictionary)
+          .parquet(path)
+        Seq(true, false).foreach { pushDown =>
+          withSQLConf(
+            SQLConf.PARQUET_FILTER_PUSHDOWN_STRING_PREDICATE_ENABLED.key -> 
pushDown.toString) {
+            val accu = new NumRowGroupsAcc
+            sparkContext.register(accu)
+
+            val df = spark.read.parquet(path).filter(filter)
+            df.foreachPartition((it: Iterator[Row]) => it.foreach(v => 
accu.add(0)))
+            if (enableDictionary && pushDown) {
+              assert(accu.value == 0)
+            } else {
+              assert(accu.value > 0)
+            }
+
+            AccumulatorContext.remove(accu.id)
+          }
+        }
+      }
+    }
+  }
+
+  test("filter pushdown - StringEndsWith/Contains") {

Review Comment:
   don't need to test `StringStartsWith` here?



-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org

For queries about this service, please contact Infrastructure at:
us...@infra.apache.org


---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org

Reply via email to