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我按照本指南在couchdb http://guide.couchdb.org/draft/cookbook.html#unique以便从视图中返回distinct
列表。运行组= false的couchdb视图(SELECT DISTINCT类型的行为)
我的地图功能看起来像:
function(doc) {
if(doc.PartnerName !=null) {
emit(doc.PartnerName, null);
}
}
而且,我有一个减少功能:
function(keys, values) {
return true;
}
当我运行此通过点击:
/数据库名/ _design /合作伙伴/ _view/my-view-name
我得到这个回:
{"rows":[
{"key":null,"value":true}
]}
如果我添加?reduce=false
到最后,我回来排序期望的结果:
{
"total_rows":11,"offset":0,
"rows":[
{"id":"a","key":"PARTNER_ONE","value":null},
{"id":"b","key":"PARTNER_ONE","value":null},
{"id":"c","key":"PARTNER_ONE","value":null},
{"id":"d","key":"PARTNER_ONE","value":null},
{"id":"e","key":"PARTNER_ONE","value":null},
{"id":"f","key":"PARTNER_ONE","value":null},
{"id":"g","key":"PARTNER_TWO","value":null},
{"id":"h","key":"PARTNER_TWO","value":null},
{"id":"i","key":"PARTNER_TWO","value":null},
{"id":"j","key":"PARTNER_THREE","value":null},
{"id":"k","key":"PARTNER_FOUR","value":null}
]}
不过,我非常想获得一个清单列表,所以在上面的例子中,它会是PARTNER_ONE,PARTNER_TWO,PARTNER_THREE,PARTNER_FOUR