Using the decoding method suggested in https://community.developers.refinitiv.com/answers/47439/view.html , I found that our consumer app receives mergedToGroup updates with "0" values after CLOSE_RECOVER groupId state is received. Is "0" a valid value for mergeToGroup or should I ignore them?
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I assume that you are connecting to TREP. TREP manages the groupID and it will send mergeToGroup with zero value after the service is down.
<updateMsg domainType="RSSL_DMT_SOURCE" streamId="2" containerType="RSSL_DT_MAP" flags="0xC0 (RSSL_UPMF_DO_NOT_CACHE|RSSL_UPMF_DO_NOT_CONFLATE)" updateType="0 (RDM_UPD_EVENT_TYPE_UNSPECIFIED)" dataSize="51">
<dataBody>
<map flags="0x0" countHint="0" keyPrimitiveType="RSSL_DT_UINT" containerType="RSSL_DT_FILTER_LIST" >
<mapEntry flags="0x0" action="RSSL_MPEA_UPDATE_ENTRY" key="4915" >
<filterList containerType="RSSL_DT_ELEMENT_LIST" countHint="0" flags="0x0">
<filterEntry id="3" action="RSSL_FTEA_SET_ENTRY" flags="0x0" containerType="RSSL_DT_ELEMENT_LIST">
<elementList flags="0x8 (RSSL_ELF_HAS_STANDARD_DATA)">
<elementEntry name="Group" dataType="RSSL_DT_BUFFER" data="2"/>
<elementEntry name="MergedToGroup" dataType="RSSL_DT_BUFFER" data="0"/>
</elementList>
</filterEntry>
</filterList>
</mapEntry>
</map>
</dataBody>
</updateMsg>
After the service is up, the application will get a new groupID in the item's refresh message.
Therefore, it could be the default groupID managed by TREP. You can contact the TREP support team through my.refinitiv.com for more information.
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Can someone please answer the question or ask additional questions if the question is not clear?
