cloud-fan commented on a change in pull request #26806: [SPARK-30183][SQL]
Disallow to specify reserved properties in CREATE NAMESPACE syntax
URL: https://github.com/apache/spark/pull/26806#discussion_r363645996
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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@@ -2135,6 +2135,15 @@ object SQLConf {
"defined by `from` and `to`.")
.booleanConf
.createWithDefault(false)
+
+ val LEGACY_PROPERTY_NON_RESERVED =
+ buildConf("spark.sql.legacy.property.nonReserved")
+ .internal()
+ .doc("When true, all database and table properties are not reserved and
available for " +
+ "create/alter syntaxes. But please be aware that the reserved
properties will still be " +
+ "used by Spark internally and will ignore their user specified
values.")
Review comment:
`the reserved properties will be silently removed.`
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