Improve Reporting - Reminders query performance
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Tony De KeizerReporter
Tim AndersonTime tracking
5.5h logged
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MinorWho's Looking?
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Created December 12, 2022 at 4:24 AM
Updated March 2, 2023 at 10:24 PM
Resolved December 12, 2022 at 7:10 AM
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On large databases, the Reporting - Reminders - Pending tab performs poorly.
The SQL from which the following is derived ends up doing a table scan on entity_relationships (patient_owner) below. This is an odd choice by the query optimizer, but we don’t have a facility to specify an index hint via the ArchetypeQuery API.
Adding an index on entity_relationships means that the query optimizer no longer selects it, and the query performance improves: