Configuring User Permissions for Spark Tables, Columns, and Databases

Scenario

You can configure related permissions if you need to access tables or databases created by other users. SparkSQL supports column-based permission control. If a user needs to access some columns in tables created by other users, the user must be granted the permission for columns. The following describes how to grant table, column, and database permissions to users by using the role management function of Manager.

Procedure

The operations for granting permissions on SparkSQL tables, columns, and databases are the same as those for Hive. For details, see Hive User Permission Management.

Any permission for a table in the database is automatically associated with the HDFS permission for the database directory to facilitate permission management. When any permission for a table is canceled, the system does not automatically cancel the HDFS permission for the database directory to ensure performance. In this case, users can only log in to the database and view table names.
When the query permission on a database is added to or deleted from a role, the query permission on tables in the database is automatically added to or deleted from the role. This mechanism is inherited from Hive.
In Spark, the column name of the struct data type cannot contain special characters, that is, characters other than letters, digits, and underscores (_). If the column name of the struct data type contains special characters, the column cannot be displayed on the FusionInsight Manager console when you grant permissions to roles on the role page.

Concepts

SparkSQL statements are processed in SparkSQL. Table 1 describes the permission requirements.

**Table 1** Scenarios of using SparkSQL tables, columns, or databases
Scenario	Required Permission
CREATE TABLE	CREATE, RWX+ownership (for creating external tables - the location) NOTE: When creating datasource tables in a specified file path, the RWX and ownership permission on the file next to the path is required.
DROP TABLE	Ownership (of table)
DROP TABLE PROPERTIES	Ownership
DESCRIBE TABLE	Select
SHOW PARTITIONS	Select
ALTER TABLE LOCATION	Ownership, RWX+ownership (for new location)
ALTER PARTITION LOCATION	Ownership, RWX+ownership (for new partition location)
ALTER TABLE ADD PARTITION	Insert, RWX and ownership (for partition location)
ALTER TABLE DROP PARTITION	Delete
ALTER TABLE(all of them except the ones above)	Update and Ownership
TRUNCATE TABLE	Ownership
CREATE VIEW	Select, Grant Of Select, and CREATE
ALTER VIEW PROPERTIES	Ownership
ALTER VIEW RENAME	Ownership
ALTER VIEW ADD PARTS	Ownership
ALTER VIEW AS	Ownership
ALTER VIEW DROPPARTS	Ownership
ANALYZE TABLE	Select and Insert
SHOW COLUMNS	Select
SHOW TABLE PROPERTIES	Select
CREATE TABLE AS SELECT	Select and CREATE
SELECT	Select NOTE: The same as tables, you need to have the Select permission on a view when performing a SELECT operation on the view.
INSERT	Insert and Delete (for overwrite)
LOAD	Insert, Delete, and RWX+ownership(input location)
SHOW CREATE TABLE	Select and Grant Of Select
CREATE FUNCTION	ADMIN
DROP FUNCTION	ADMIN
DESC FUNCTION	-
SHOW FUNCTIONS	-
MSCK (metastore check)	Ownership
ALTER DATABASE	ADMIN
CREATE DATABASE	-
SHOW DATABASES	-
EXPLAIN	Select
DROP DATABASE	Ownership
DESC DATABASE	-
CACHE TABLE	Select
UNCACHE TABLE	Select
CLEAR CACHE TABLE	ADMIN
REFRESH TABLE	Select
ADD FILE	ADMIN
ADD JAR	ADMIN
HEALTHCHECK	-