Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/9327#discussion_r43724135
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetFilterSuite.scala
---
@@ -314,4 +314,24 @@ class ParquetFilterSuite extends QueryTest with
ParquetTest with SharedSQLContex
}
}
}
+
+ test("SPARK-11103: Filter applied on merged Parquet schema with new
column fails") {
+ import testImplicits._
+
+ withSQLConf(SQLConf.PARQUET_FILTER_PUSHDOWN_ENABLED.key -> "true",
+ SQLConf.PARQUET_SCHEMA_MERGING_ENABLED.key -> "true") {
+ withTempPath { dir =>
+ var pathOne = s"${dir.getCanonicalPath}/table1"
+ (1 to 3).map(i => (i, i.toString)).toDF("a",
"b").write.parquet(pathOne)
+ var pathTwo = s"${dir.getCanonicalPath}/table2"
+ (1 to 3).map(i => (i, i.toString)).toDF("c",
"b").write.parquet(pathTwo)
+
+ // If the "c = 1" filter gets pushed down, this query will throw
an exception which
+ // Parquet emits. This is a Parquet issue (PARQUET-389).
+ checkAnswer(
+ sqlContext.read.parquet(pathOne, pathTwo).filter("c = 1"),
--- End diff --
I will try yo check this. Thanks.
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