示例#1
0
def userExists(userName):
    return queryHasOneAndOnlyOneResult(GET_USER, [userName])
示例#2
0
def sourceExists(url):
    return queryHasOneAndOnlyOneResult(GET_SOURCE, [url.value])
示例#3
0
def exists(url, title, sourceId):
    return queryHasOneAndOnlyOneResult(GET_ITEM, [url, title, sourceId])