sys.transmission_queue (Transact-SQL)

THIS TOPIC APPLIES TO:yesSQL Server (starting with 2008)noAzure SQL DatabasenoAzure SQL Data Warehouse noParallel Data Warehouse

This catalog view contains a row for each message in the transmission queue, as shown in the following table:

Column name Data type Description
conversation_handle uniqueidentifier Identifier for the conversation that this message belongs to. Not NULLABLE.
to_service_name nvarchar(256) Name of the service that this message is to. NULLABLE.
to_broker_instance nvarchar(128) Identifier of the broker that hosts the service that this message is to. NULLABLE.
from_service_name nvarchar(256) Name of the service that this message is from. NULLABLE.
service_contract_name nvarchar(256) Name of the contract that the conversation for this message follows. NULLABLE.
enqueue_time datetime Time at which the message entered the queue. This value uses UTC regardless of the local time zone for the instance. Not NULLABLE.
message_sequence_number bigint Sequence number of the message. Not NULLABLE.
message_type_name nvarchar(256) Message type name for the message. NULLABLE.
is_conversation_error bit Whether this message is an error message.

0 = Not an error message.

1 = Error message.

Not NULLABLE.
is_end_of_dialog bit Whether this message is an end of conversation message. Not NULLABLE.

0 = Not an end of conversation message.

1 = End of conversation message.

Not NULLABLE.
message_body varbinary(max) The body of this message. NULLABLE.
transmission_status nvarchar(4000) The reason this message is on the queue. This is generally an error message explaining why sending the message failed. If this is blank, the message has not been sent yet. NULLABLE.
priority tinyint The priority level that is assigned to this message. Not NULLABLE.

Permissions

The visibility of the metadata in catalog views is limited to securables that a user either owns or on which the user has been granted some permission. For more information, see Metadata Visibility Configuration.