sadikovi commented on a change in pull request #34044:
URL: https://github.com/apache/spark/pull/34044#discussion_r711884836
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetInteroperabilitySuite.scala
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@@ -96,6 +97,58 @@ class ParquetInteroperabilitySuite extends
ParquetCompatibilityTest with SharedS
}
}
+ test("parquet files with legacy mode and schema evolution") {
+ // This test case writes arrays in Parquet legacy mode and schema
evolution and verifies that
+ // the data can be correctly read back.
+
+ Seq(false, true).foreach { legacyMode =>
+ withSQLConf(SQLConf.PARQUET_WRITE_LEGACY_FORMAT.key ->
legacyMode.toString) {
Review comment:
`spark.sql.parquet.writeLegacyFormat` is only applicable for writes, it
is irrelevant when reading a Parquet file.
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