MySQL events report does not fetch any data when source filter is used. It does work for the events stored in ElasticSearch.
All supported releases of Watch4net|M&R
1). Take a backup of /APG_HOME/Custom/WebApps-Resources/Default/property-mapping/FLOW-RPE2.xml
2). Edit /APG_HOME/Custom/WebApps-Resources/Default/property-mapping/FLOW-RPE2.xml and add below entry after eventSource entry:
<property name="com.watch4net.apg.v2.modules.database.GenericFlow.properties.StringValue">
<name class="string">Source</name>
<table class="string">${table}</table>
<display-name class="string">source</display-name>
</property>
3). Restart tomcat service.