Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/4547#discussion_r24553280
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/SQLContext.scala ---
@@ -734,6 +734,24 @@ class SQLContext(@transient val sparkContext:
SparkContext)
def table(tableName: String): DataFrame =
DataFrame(this, catalog.lookupRelation(Seq(tableName)))
+ /**
+ * Returns a [[DataFrame]] containing names of existing tables in the
current database.
+ * The returned DataFrame has two columns, tableName and isTemporary (a
column with BooleanType
+ * indicating if a table is a temporary one or not).
+ */
+ def tables(databaseName: String): DataFrame = {
--- End diff --
tables is sort of confusing. either showTables or maybe better listTables
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