Github user liancheng commented on a diff in the pull request:
https://github.com/apache/spark/pull/9327#discussion_r43487583
--- 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)
--- End diff --
Several nits here, but I'm going to merge this one first since 1.5.2rc2 is
being cut soon.
- Please use `val` instead of `var` here.
- To construct the test DF, the following way is more preferable for better
readability:
```scala
sqlContext.range(3).select('id as 'c, 'id cast StringType as 'b)
```
or
```scala
sqlContext.range(3).selectExpr("id AS c", "CAST(id AS STRING) AS b")
```
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