xuanyuanking commented on a change in pull request #24041: [SPARK-27119][SQL]
Do not infer schema when reading Hive serde table with native data source
URL: https://github.com/apache/spark/pull/24041#discussion_r264018091
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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@@ -596,7 +597,7 @@ object SQLConf {
.stringConf
.transform(_.toUpperCase(Locale.ROOT))
.checkValues(HiveCaseSensitiveInferenceMode.values.map(_.toString))
- .createWithDefault(HiveCaseSensitiveInferenceMode.INFER_AND_SAVE.toString)
+ .createWithDefault(HiveCaseSensitiveInferenceMode.NEVER_INFER.toString)
Review comment:
https://github.com/apache/spark/pull/24041/files#diff-9a6b543db706f1a90f790783d6930a13R592
nit for the doc, the INFER_AND_SAVE is no longer the default. Should we
mention this in migrate guide?
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