AngersZhuuuu commented on a change in pull request #35229:
URL: https://github.com/apache/spark/pull/35229#discussion_r786769731
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File path: sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
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@@ -4243,6 +4243,15 @@ class SQLQuerySuite extends QueryTest with
SharedSparkSession with AdaptiveSpark
checkAnswer(df3, df4)
}
}
+
+ test("SPARK-27442: Spark support read parquet file with invalid char in
field name") {
+ withResourceTempPath("test-data/field_with_invalid_char.snappy.parquet") {
dir =>
+ val df = spark.read.parquet(dir.getAbsolutePath)
+ checkAnswer(df, Row(1, 2, 3, 4, 5) :: Nil)
+ assert(df.schema.names.sameElements(Array("max(t)", "a b", "{", ".",
"a.b")))
Review comment:
> can we have both `a` and `a.b` fields, and then filter by `a.b`? just
make sure filter pushdown still works.
Added
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