SYSCOLLECTIONS 集合

    概念

    1. {
    2.   "Name" : "foo.test",
    3.   "Version" : 1,
    4.   "ShardingType" : "range" ,
    5.   "ReplSize": 3,
    6.   "Attribute": 0,
    7.   "AttributeDesc": "",
    8.   "CataInfo" :
    9.   [
    10.       "GroupID" : 1000,
    11.       "LowBound" : { "" : MinKey, "" : MaxKey },
    12.       "UpBound" : { "" : MaxKey, "" : MinKey }
    13.     }
    14.   ]
    15. }