Spark SQL Guide

DROP VIEW

Description

DROP VIEW removes the metadata associated with a specified view from the catalog.

Syntax

DROP VIEW [ IF EXISTS ] view_identifier

Parameter

IF EXISTS
If specified, no exception is thrown when the view does not exists.
view_identifier
Specifies the view name to be dropped. The view name may be optionally qualified with a database name.

Syntax: [ database_name. ] view_name

Example

-- Assumes a view named `employeeView` exists.
DROP VIEW employeeView;
+---------+--+
| Result  |
+---------+--+
+---------+--+

-- Assumes a view named `employeeView` exists in the `userdb` database
DROP VIEW userdb.employeeView;
+---------+--+
| Result  |
+---------+--+
+---------+--+

-- Assumes a view named `employeeView` does not exists.
-- Throws exception
DROP VIEW employeeView;
Error: org.apache.spark.sql.AnalysisException: Table or view not found: employeeView;
(state=,code=0)

-- Assumes a view named `employeeView` does not exists,Try with IF EXISTS
-- this time it will not throw exception
DROP VIEW IF EXISTS employeeView;
+---------+--+
| Result  |
+---------+--+
+---------+--+