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搜索关键字:hive union all    ( 31352个结果
Pentaho的Mondrian对Hive的支持
需求描述考虑直接在Hive或者Impala等Big Data方案,能够支持MDX查询,现调研一下Mondrian对hive的支持情况。环境准备hive环境,采用hive-0.10-cdh4.2.1 客户端程序使用的类库:mondrian-3.6.0、olap4j-1.2.0-SNAPSHOT数据准备...
分类:其他好文   时间:2014-05-09 18:15:58    阅读次数:494
SQLSERVER中的ALL、PERCENT、CUBE关键字、ROLLUP关键字和GROUPING函数
原文:SQLSERVER中的ALL、PERCENT、CUBE关键字、ROLLUP关键字和GROUPING函数SQLSERVER中的ALL、PERCENT、CUBE关键字、ROLLUP关键字和GROUPING函数先来创建一个测试表 1 USE [tempdb] 2 GO 3 4 CREATE TABL...
分类:数据库   时间:2014-05-05 11:17:30    阅读次数:575
easy ui treegrid使用
返回数据格式:{"total":7,"rows":[ {"id":1,"name":"All Tasks","begin":"3/4/2010","end":"3/20/2010","progress":60,"iconCls":"icon-ok"}, {"id":2,"name":"Designi...
分类:其他好文   时间:2014-05-05 11:02:30    阅读次数:355
[LeetCode] 在一堆字符串中找出包含相同字符的 group的较快方法,题 Anagrams
题目:Given an array of strings, return all groups of strings that are anagrams.Note: All inputs will be in lower-case.class Solution {public: vector ...
分类:其他好文   时间:2014-05-04 20:48:08    阅读次数:608
一些比较实用的样式效果
1.字母数字自动换行:wcline.wcline {word-break: break-all;word-wrap: break-word;}2.内容长度自动截取并添加... overflow: hidden;text-overflow: ellipsis;white-space: nowrap;
分类:其他好文   时间:2014-05-04 19:14:15    阅读次数:302
Permutations II
Given a collection of numbers that might contain duplicates, return all possible unique permutations.For example,[1,1,2]have the following unique perm...
分类:其他好文   时间:2014-05-04 10:20:44    阅读次数:240
unicode string和ansi string的转换函数及获取程序运行路径的代码
#pragma once#include namespace stds { class tool { public: std::string ws2s(const std::wstring& ws) { std::string curLocale = setlocale(LC_ALL...
分类:其他好文   时间:2014-05-03 22:25:17    阅读次数:318
【LeetCode】Substring with Concatenation of All Words
You are given a string, S, and a list of words, L, that are all of the same length. Find all starting indices of substring(s) in S that is a concatenation of each word in L exactly once and without an...
分类:其他好文   时间:2014-05-03 21:35:49    阅读次数:310
刚整理的SQL常见替代点
1、能用DISTINCT的就不用GROUP BY    SELECT OrderID FROM Details WHERE UnitPrice > 10 GROUP BY OrderID    可改为:  SELECT DISTINCT OrderID FROM Details WHERE UnitPrice > 10  2.能用UNION ALL就不要用UNION     UNION A...
分类:数据库   时间:2014-05-03 21:31:24    阅读次数:342
【Union Find】JAVA implementation
import java.util.ArrayList; import java.util.Arrays; import java.util.HashMap; import java.util.Scanner; class UF { private int[] id; private int count; public UF(int N) { count = N; id = n...
分类:编程语言   时间:2014-05-03 21:21:44    阅读次数:336
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