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Support Article

Report Definition generates inefficient SQL for Optimized props

SA-19749

Summary



After using Wizard to update Properties via "Optimize for Reporting" ,Report Definition creates SQL that is unique; if the optimized property name is too long.

This results in a unique property name in the SQL, for example:

SELECT MYPROP_1 AS "P14539008523763L"

This causes the DB engine to parse sql as a new statement each time the report is executed.

This problem also affects reporting in
Autonomic Event Services (AES) and Predictive Diagnostic Cloud (PDC) - since each alert has a unique sql statement so the combined effect is not caught.


Error Messages



Not Applicable.


Steps to Reproduce



1) Create a work object with embedded pages with multiple levels of nesting, and then use "Optimize for Reporting" on a deeply embedded property where the length of "embeddedPage.level2.level3.myProperty" exceeds 30 characters.
2) Create a Report Definition which attempts to display this column (using same syntax embeddedPage.level2.level3.myProperty


Root Cause



An inefficiency in Pegasystems’ code would produce a unique column alias for each execution of the Report Definition.  This has been corrected via hotfix.

Resolution



Apply HFix-25989.

Published February 18, 2016 - Updated October 8, 2020

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