sw_db_deadqueue

The sw_db_deadqueue table holds failed messages from the sw_db_bgqueue_n, sw_db_wisqueue_n and sw_db_predictqueue_n tables.

Structure

The sw_db_deadqueue table has the following structure:

TABLE sw_db_deadqueue (
	failed_by	varchar(64)		NOT NULL
	rowid		NUMERIC(15)		identity(1,1),
	last_failed	NUMERIC(10)		NULL,
	failure_count	INTEGER			NOT NULL,
	msg_id		uniqueidentifier	NOT NULL,
	msg_hdr		VARCHAR(512)		NULL,
	msg_data	VARCHAR(1024)		NOT NULL
	priority	INTEGER			NOT NULL)

Column	Description
`failed_by`	Identifies the queue table that this message originates from. One of the following processes: BG (for a message from a sw_db_bgqueue_n table). WIS (for a message from a sw_db_wisqueue_n table). BGPREDICT (for a message from a sw_db_predictqueue_n table).
`rowid`	Identifier of the row in the table for this message.
`last_failed`	Number of seconds since January 1st, 1970, when this message last failed to be processed.
`failure_count`	Number of times that this message has failed to be processed. Note: Messages in this table are not retried.
`msg_id`	Unique identifier of this message.
`msg_hdr`	Header data associated with this message.
`msg_data`	Message data.
`priority`	Message queue priority. The lower this value is, the higher the message queue priority is. The default value is 50.

Primary Key

No primary key is defined for this table.

Triggers

None.

Indexes

The following clustered index is defined for this table.

Index Name	Indexed Column(s)
`idx_sw_db_deadqueue`1	`row_id`

Table Activity

The sw_db_deadqueue table contains one row for each message that has exceeded its IQL_RETRY_COUNT threshold value.

Rows are added, updated and deleted in the following situations.

A row is...	When...
added	a message is moved to this table from a sw_db_bgqueue_n, sw_db_wisqueue_n or sw_db_predictqueue_n table, because it has exceeded the `IQL_RETRY_COUNT` value.
updated	never.
deleted	never.

Did you find this helpful?

Yes No