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_r363581297
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala
##########
@@ -2525,11 +2526,17 @@ class AstBuilder(conf: SQLConf) extends
SqlBaseBaseVisitor[AnyRef] with Logging
var properties = ctx.tablePropertyList.asScala.headOption
.map(visitPropertyKeyValues)
.getOrElse(Map.empty)
- Option(ctx.comment).map(string).map {
- properties += SupportsNamespaces.PROP_COMMENT -> _
+
+ if (properties.keySet.exists(RESERVED_PROPERTIES.contains)) {
+ throw new ParseException(s"Disallow to specify reserved properties,
including" +
Review comment:
ah so in Spark 2, the reserved properties are simply ignored?
BTW this error message is for end users, we should try our best to make it
helpful, even if it means more code.
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