imback82 commented on a change in pull request #26176: [SPARK-29519][SQL] SHOW
TBLPROPERTIES should do multi-catalog resolution.
URL: https://github.com/apache/spark/pull/26176#discussion_r344249322
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala
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@@ -3067,4 +3067,20 @@ class AstBuilder(conf: SQLConf) extends
SqlBaseBaseVisitor[AnyRef] with Logging
// TODO a partition spec is allowed to have optional values. This is
currently violated.
Option(ctx.partitionSpec).map(visitNonOptionalPartitionSpec))
}
+
+ /**
+ * A command for users to list the properties for a table. If propertyKey is
specified, the value
+ * for the propertyKey is returned. If propertyKey is not specified, all the
keys and their
+ * corresponding values are returned.
+ * The syntax of using this command in SQL is:
+ * {{{
+ * SHOW TBLPROPERTIES table_name[('propertyKey')];
Review comment:
nit: `table_name` -> `multi_part_name`
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