[SPARK-16459] Prevent dropping current database

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 2.0.0
• Component/s: SQL
• Assignee: Dongjoon Hyun
• Reporter: Dongjoon Hyun
• Created: 09/Jul/16 10:44
• Updated: 11/Jul/16 17:19
• Resolved: 11/Jul/16 13:16

Description

This issue prevents dropping the current database to avoid errors like the followings.

scala> sql("create database delete_db")
scala> sql("use delete_db")
scala> sql("drop database delete_db")
scala> sql("create table t as select 1")
org.apache.spark.sql.catalyst.analysis.NoSuchDatabaseException: Database 'delete_db' not found;

Issue Links

• relates to: SPARK-16452 basic INFORMATION_SCHEMA support
• links to: [Github] Pull Request #14115 (dongjoon-hyun)