Read incident tasks

Retrieve all tasks associated with a specific incident. Incident tasks are stored in the incident_task table and linked using the parent incident reference.

You can use static date or function as above. This function expression can be in the form of [function_name][+/-][interval][interval][+/-][interval]... For example to get Last date of previous month you can do "monthend-1d". To get yesterday's date you can just type "yesterday". Valid date function names for this expression are [ now | today | yesterday | weekstart | weekend | monthstart | monthend | yearstart | yearend ]. Valid interval names are [ms (for milliseconds) | s OR sec | min | h OR hour | y OR year | d OR day |m OR month | y OR year]

Standard SQL query example

This is the base query accepted by the connector. To execute it in SQL Server, you have to pass it to the Data Gateway via a Linked Server. See how to accomplish this using the examples below.

-- Get all tasks for a specific incident
SELECT *
FROM get_table_rows
WITH(
    TableName='incident_task',
    Query='incident.number=INC0012345'
)

Using OPENQUERY in SQL Server

SELECT * FROM OPENQUERY([LS_TO_SERVICENOW_IN_GATEWAY], '-- Get all tasks for a specific incident
SELECT *
FROM get_table_rows
WITH(
    TableName=''incident_task'',
    Query=''incident.number=INC0012345''
)')

Using EXEC in SQL Server (handling larger SQL text)

The major drawback of OPENQUERY is its inability to incorporate variables within SQL statements. This often leads to the use of cumbersome dynamic SQL (with numerous ticks and escape characters).

Fortunately, starting with SQL 2005 and onwards, you can utilize the EXEC (your_sql) AT [LS_TO_SERVICENOW_IN_GATEWAY] syntax.

DECLARE @MyQuery NVARCHAR(MAX) = '-- Get all tasks for a specific incident
SELECT *
FROM get_table_rows
WITH(
    TableName=''incident_task'',
    Query=''incident.number=INC0012345''
)'
EXEC (@MyQuery) AT [LS_TO_SERVICENOW_IN_GATEWAY]