Example SQL Queries
aws . iot_data .list_retained_messages;
Description
Lists summary information about the retained messages stored for the account.
This action returns only the topic names of the retained messages. It doesn't return any message payloads. Although this action doesn't return a message payload, it can still incur messaging costs.
To get the message payload of a retained message, call GetRetainedMessage with the topic name of the retained message.
Requires permission to access the ListRetainedMessages action.
For more information about messaging costs, see Amazon Web Services IoT Core pricing - Messaging .
Table Definition
Column Name Column Data Type
_aws_profile Input Column The AWS profile defines the AWS identity used. It can be defined via credentials or by assuming a IAM role.
STRUCT( "type" VARCHAR, "name" VARCHAR, "account_id" VARCHAR, "via_profile_name" VARCHAR, "assumed_role_arn" VARCHAR, "organization" STRUCT( "account_name" VARCHAR, "id" VARCHAR, "tags" STRUCT( "key" VARCHAR, "value" VARCHAR )[], "master_account" STRUCT( "id" VARCHAR, "email" VARCHAR ), "parents" STRUCT( "type" VARCHAR, "id" VARCHAR, "name" VARCHAR, "tags" STRUCT( "key" VARCHAR, "value" VARCHAR )[] )[] ) )
Show child fields _aws_profile.account_id The AWS account id
_aws_profile.assumed_role_arn The ARN of the assumed role
_aws_profile.name The unique name of the profile.
_aws_profile.organization Information about this profile's membership in the AWS organization.
Show child fields _aws_profile.organization.account_name The name of account speciifed by the organization
_aws_profile.organization.id The organization id
_aws_profile.organization.master_account Show child fields _aws_profile.organization.master_account.email The organization master account email address
_aws_profile.organization.master_account.id The organization master account id
_aws_profile.organization.parents[] Show child fields _aws_profile.organization.parents[].id The id of the parent
_aws_profile.organization.parents[].name The name of the parent
_aws_profile.organization.parents[].tags[] Show child fields _aws_profile.organization.parents[].tags[].key
_aws_profile.organization.parents[].tags[].value
_aws_profile.organization.parents[].type The type of parent can be an organization unit or a root
_aws_profile.organization.tags[] Show child fields _aws_profile.organization.tags[].key
_aws_profile.organization.tags[].value
_aws_profile.type The type of profile, either 'credentials' or 'assumed_role'
_aws_profile.via_profile_name This IAM role for this profile is assumed by first utilizing another profile with this name to obtain credentials.
last_modified_time The Epoch date and time, in milliseconds, when the retained message was stored by IoT.
BIGINT
payload_size The size of the retained message's payload in bytes.
BIGINT
qos The quality of service (QoS) level used to publish the retained message.
BIGINT
topic The topic name to which the retained message was published.
VARCHAR