Github user xuanyuanking commented on a diff in the pull request:
https://github.com/apache/spark/pull/14957#discussion_r77934764
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/FileSourceStrategy.scala
---
@@ -97,7 +98,16 @@ object FileSourceStrategy extends Strategy with Logging {
dataColumns
.filter(requiredAttributes.contains)
.filterNot(partitionColumns.contains)
- val outputSchema = readDataColumns.toStructType
+ val outputSchema = if
(fsRelation.sqlContext.conf.isParquetNestColumnPruning) {
--- End diff --
I ran the command
```
./build/sbt "test-only org.apache.spark.sql.execution.datasources.*"
```
locally and three test suits failed
```
[error] Failed tests:
[error] org.apache.spark.sql.execution.datasources.csv.CSVSuite
[error] org.apache.spark.sql.execution.datasources.json.JsonSuite
[error]
org.apache.spark.sql.execution.datasources.parquet.ParquetPartitionDiscoverySuite
```
But I run them separately, all three pass. Also I run
```
./build/sbt "test-only org.apache.spark.sql.execution.csv.*"
./build/sbt "test-only org.apache.spark.sql.execution.json.*"
```
all tests pass.
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