PG_GET_GRANTEE_BY_IAM_ROLE - Amazon Redshift
SyntaxArgumentsReturn typeUsage NotesExample
Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).

PG_GET_GRANTEE_BY_IAM_ROLE

Returns all users and groups granted a specified IAM role.

Syntax

pg_get_grantee_by_iam_role('iam_role_arn')

Arguments

iam_role_arn

The IAM role for which to return the users and groups that have been granted this role.

Return type

VARCHAR

Usage notes

The PG_GET_GRANTEE_BY_IAM_ROLE function returns one row for each user or group. Each row contains the grantee name, grantee type, and granted privilege. The possible values for the grantee type are p for public, u for user, and g for group.

You must be a superuser to use this function.

Example

The following example indicates that the IAM role Redshift-S3-Write is granted to group1 and reg_user1. Users in group_1 can specify the role only for COPY operations, and user reg_user1 can specify the role only to perform UNLOAD operations.

select pg_get_grantee_by_iam_role('arn:aws:iam::123456789012:role/Redshift-S3-Write');

  pg_get_grantee_by_iam_role
-----------------------------
 (group_1,g,COPY)
 (reg_user1,u,UNLOAD)

The following example of the PG_GET_GRANTEE_BY_IAM_ROLE function formats the result as a table.

select grantee, grantee_type, cmd_type FROM pg_get_grantee_by_iam_role('arn:aws:iam::123456789012:role/Redshift-S3-Write') res_grantee(grantee text, grantee_type text, cmd_type text) ORDER BY 1,2,3;

  grantee  | grantee_type | cmd_type
-----------+--------------+----------
 group_1   | g            | COPY
 reg_user1 | u            | UNLOAD