Github user tedyu commented on a diff in the pull request: https://github.com/apache/spark/pull/12619#discussion_r60830595 --- Diff: sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetQuerySuite.scala --- @@ -589,6 +590,30 @@ class ParquetQuerySuite extends QueryTest with ParquetTest with SharedSQLContext checkAnswer(sqlContext.read.parquet(path), df) } } + + test("returning batch for wide table") { + withSQLConf("spark.sql.codegen.maxFields" -> "100") { --- End diff -- Looks like the maxFields value can be set lower - resulting in faster test execution.
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