Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/16635#discussion_r96790019
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
---
@@ -2513,4 +2513,18 @@ class SQLQuerySuite extends QueryTest with
SharedSQLContext {
}
}
}
+
+ test(
+ "SPARK-19059: Unable to retrieve data from parquet table whose name
startswith underscore") {
+ sql("CREATE TABLE `_tbl`(i INT) USING parquet")
+ sql("INSERT INTO `_tbl` VALUES (1), (2), (3)")
+ checkAnswer( sql("SELECT * FROM `_tbl`"), Row(1) :: Row(2) :: Row(3)
:: Nil)
--- End diff --
I think we can stop here, create a table with underscore, then insert into
it, then read it, that's enough to prove we can support table with underscore.
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