def evalAdd(ctx, u):
    """

    add all triples from src to dst

    http://www.w3.org/TR/sparql11-update/#add
    """
    src, dst = u.graph

    srcg = _graphOrDefault(ctx, src)
    dstg = _graphOrDefault(ctx, dst)

    if srcg.identifier == dstg.identifier:
        return

    dstg += srcg
dataset/ETHPy150Open RDFLib/rdflib/rdflib/plugins/sparql/update.py/evalAdd/original