(issue1353) Add river name to query for discharge Info The previous assumption was that the official number is unique for a gauge. This assumption is broken by having multiple variants of a river in the database, like Donau (schleusenkanäle)

select.abflusstafel = \
    SELECT ABFLUSSTAFEL_NR, \
           ABFLUSSTAFEL_BEZ, \
           GUELTIG_VON, \
           GUELTIG_BIS, \
           PEGELNULLPUNKT, \
           AT.BFG_ID \
    FROM ABFLUSSTAFEL AT \
    WHERE MESSSTELLE_NR LIKE :number