Description: Sums the NO_VESSELS values of operating units assigned to a campaign.
Calling convention: CIP_HC_GetSumVessel(CampaignNo, DataID): Integer
Parameters:
CampaignNo: campaign number.
DataID: campaign-line ident value.
Returns: Summed vessel count as Integer, or NULL for missing inputs or a NULL SQL aggregate.
Availability: Default registration, but specific to CAMPAIGNLINES and DATA_OPUNITS in the legacy HC schema.
Example:
VesselCount := CIP_HC_GetSumVessel(1, DataID);