Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/16352#discussion_r93385438
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/api/r/SQLUtils.scala
---
@@ -276,11 +276,12 @@ private[sql] object SQLUtils extends Logging {
}
def getTableNames(sparkSession: SparkSession, databaseName: String):
Array[String] = {
- databaseName match {
- case n: String if n != null && n.trim.nonEmpty =>
- sparkSession.catalog.listTables(n).collect().map(_.name)
+ val db = databaseName match {
+ case _ if databaseName != null && databaseName.trim.nonEmpty =>
+ databaseName.trim
--- End diff --
uh... not sure whether we should support triming. So far, when we do
something like
```Scala
session.tableNames("default ")
```
It reports the error:
```
Database 'default ' not found;
```
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