rdblue commented on a change in pull request #23606: [SPARK-26666][SQL] Support
DSv2 overwrite and dynamic partition overwrite.
URL: https://github.com/apache/spark/pull/23606#discussion_r255747104
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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@@ -1446,7 +1446,7 @@ object SQLConf {
" register class names for which data source V2 write paths are
disabled. Writes from these" +
" sources will fall back to the V1 sources.")
.stringConf
- .createWithDefault("")
+ .createWithDefault("orc")
Review comment:
This is required. We cannot move sources to v2 by default until we are
confident that they will behave the same way. We can't do that until v2 is
actually implemented.
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