StoreDirect: optimize update for record which did not change size
StoreDirect: optimize update for record which did not change size

hangum/mapdb,mebigfatguy/mapdb,olupas/MapDB,SleimanJneidi/mapdb,lamfire/mapdb,binarytemple/mapdb,jankotek/mapdb,codeaudit/mapdb,olupas/MapDB,ringoluo/mapdb,jankotek/MapDB,morfeo8marc/mapdb,ffjiao/mapdb,jankotek/mapdb,pettermahlen/mapdb,jankotek/MapDB,mebigfatguy/mapdb,sumit784/mapdb,cocosli/mapdb