made Size() function const because it does not modify data
made Size() function const because it does not modify data

OverlordQ/rocksdb,facebook/rocksdb,wenduo/rocksdb,wenduo/rocksdb,Andymic/rocksdb,wat-ze-hex/rocksdb,flabby/rocksdb,OverlordQ/rocksdb,flabby/rocksdb,norton/rocksdb,kaschaeffer/rocksdb,kaschaeffer/rocksdb,flabby/rocksdb,Vaisman/rocksdb,flabby/rocksdb,luckywhu/rocksdb,biddyweb/rocksdb,RyanTech/rocksdb,wenduo/rocksdb,norton/rocksdb,ryneli/rocksdb,RyanTech/rocksdb,tsheasha/rocksdb,tsheasha/rocksdb,geraldoandradee/rocksdb,wenduo/rocksdb,luckywhu/rocksdb,luckywhu/rocksdb,jalexanderqed/rocksdb,jalexanderqed/rocksdb,luckywhu/rocksdb,SunguckLee/RocksDB,flabby/rocksdb,geraldoandradee/rocksdb,hobinyoon/rocksdb,vmx/rocksdb,Andymic/rocksdb,Andymic/rocksdb,facebook/rocksdb,OverlordQ/rocksdb,Vaisman/rocksdb,jalexanderqed/rocksdb,bbiao/rocksdb,SunguckLee/RocksDB,vmx/rocksdb,Andymic/rocksdb,bbiao/rocksdb,Andymic/rocksdb,hobinyoon/rocksdb,wat-ze-hex/rocksdb,wat-ze-hex/rocksdb,Vaisman/rocksdb,bbiao/rocksdb,wenduo/rocksdb,tsheasha/rocksdb,jalexanderqed/rocksdb,kaschaeffer/rocksdb,ryneli/rocksdb,facebook/rocksdb,OverlordQ/rocksdb,jalexanderqed/rocksdb,RyanTech/rocksdb,RyanTech/rocksdb,biddyweb/rocksdb,jalexanderqed/rocksdb,RyanTech/rocksdb,norton/rocksdb,Andymic/rocksdb,vmx/rocksdb,wenduo/rocksdb,norton/rocksdb,SunguckLee/RocksDB,tsheasha/rocksdb,bbiao/rocksdb,flabby/rocksdb,Vaisman/rocksdb,jalexanderqed/rocksdb,Vaisman/rocksdb,caijieming-baidu/rocksdb,bbiao/rocksdb,hobinyoon/rocksdb,norton/rocksdb,wat-ze-hex/rocksdb,vmx/rocksdb,hobinyoon/rocksdb,facebook/rocksdb,tsheasha/rocksdb,OverlordQ/rocksdb,wat-ze-hex/rocksdb,facebook/rocksdb,biddyweb/rocksdb,SunguckLee/RocksDB,biddyweb/rocksdb,caijieming-baidu/rocksdb,geraldoandradee/rocksdb,hobinyoon/rocksdb,Andymic/rocksdb,norton/rocksdb,norton/rocksdb,Vaisman/rocksdb,tsheasha/rocksdb,bbiao/rocksdb,caijieming-baidu/rocksdb,norton/rocksdb,wat-ze-hex/rocksdb,luckywhu/rocksdb,geraldoandradee/rocksdb,Andymic/rocksdb,biddyweb/rocksdb,bbiao/rocksdb,SunguckLee/RocksDB,vmx/rocksdb,geraldoandradee/rocksdb,Vaisman/rocksdb,hobinyoon/rocksdb,SunguckLee/RocksDB,flabby/rocksdb,wenduo/rocksdb,bbiao/rocksdb,kaschaeffer/rocksdb,facebook/rocksdb,OverlordQ/rocksdb,RyanTech/rocksdb,wenduo/rocksdb,vmx/rocksdb,luckywhu/rocksdb,OverlordQ/rocksdb,caijieming-baidu/rocksdb,RyanTech/rocksdb,vmx/rocksdb,ryneli/rocksdb,ryneli/rocksdb,caijieming-baidu/rocksdb,SunguckLee/RocksDB,facebook/rocksdb,wat-ze-hex/rocksdb,wat-ze-hex/rocksdb,biddyweb/rocksdb,kaschaeffer/rocksdb,hobinyoon/rocksdb,geraldoandradee/rocksdb,vmx/rocksdb,kaschaeffer/rocksdb,ryneli/rocksdb,SunguckLee/RocksDB,caijieming-baidu/rocksdb,geraldoandradee/rocksdb,ryneli/rocksdb,caijieming-baidu/rocksdb,ryneli/rocksdb,tsheasha/rocksdb,facebook/rocksdb,kaschaeffer/rocksdb,luckywhu/rocksdb,biddyweb/rocksdb,hobinyoon/rocksdb,tsheasha/rocksdb