Method pjoin

游标按主键做有序连接 @param function @param srcKeyExps 连接表达式数组 @param srcNewExps @param srcNewNames @param cursors 关联游标数组 @param options 关联选项 @param keyExps 连接表达式数组 @param newExps @param newNames @param opt @param ctx @return

(Function function, Expression []srcKeyExps, Expression []srcNewExps, String []srcNewNames, 
			ICursor []cursors, String []options, Expression [][]keyExps, 
			Expression [][]newExps, String [][]newNames, String opt, Context ctx)