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Activity Search Timing Out When Postal And Activity Status Filters Are Used (Doc ID 2367940.1)

Last updated on MARCH 08, 2019

Applies to:

Oracle Utilities Mobile Workforce Management - Version 2.2.0.3.13 to 2.3.0.2.0 [Release 2.2 to 2.3]
Information in this document applies to any platform.

Symptoms

On : Mobile Workforce Management (MWM) 2.2.0.3.13 version, Common Dispatcher Interface

Activity Search portal is very slow, or timing out, when using some filter criteria such as postal and activity status.

SQL for Zone M1-ACTQ1:

 

I removed the ‘/*+ LEADING(T) */’ and found the explain plan to show exponential improvement.
We checked and found M1_TASK_ADDR.POSTAL has an index and that’s why it is fast. But M1_TASK.BO_STATUS_CD is part of a composite index.

Activity search SQL –
Filters used while search are highlighted in yellow below. When we give one input - [(F14) AND TA.POSTAL LIKE :F14] , the results get returned in a few secs on Application end . When we give both inputs -[(F6) AND T.BO_STATUS_CD = :F6] and
[(F14) AND TA.POSTAL LIKE :F14], we get a time out on Application.

Questions.
1. Query is much faster from backend after removing ‘/*+ LEADING(T) */’. Explain plans attached with and without ‘/*+ LEADING(T) */’. Can ‘/*+ LEADING(T) */’ be removed from the Zone

Changes

 

Cause

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