游标对关联字段有序,做有序归并连接 @param cursors 游标数组 @param names 结果集字段名数组 @param exps 关联字段表达式数组 @param opt 选项 @param ctx Context 计算上下文 @return ICursor 结果集游标
(ICursor []cursors, String []names, Expression [][]exps, String opt, Context ctx)
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