ENG-4516 addressed Ariel's code review comments
ENG-4516 addressed Ariel's code review comments

VoltDB/voltdb,deerwalk/voltdb,kumarrus/voltdb,migue/voltdb,simonzhangsm/voltdb,wolffcm/voltdb,deerwalk/voltdb,deerwalk/voltdb,deerwalk/voltdb,kumarrus/voltdb,kumarrus/voltdb,flybird119/voltdb,zuowang/voltdb,flybird119/voltdb,kumarrus/voltdb,migue/voltdb,deerwalk/voltdb,creative-quant/voltdb,paulmartel/voltdb,ingted/voltdb,zuowang/voltdb,flybird119/voltdb,paulmartel/voltdb,migue/voltdb,zuowang/voltdb,creative-quant/voltdb,VoltDB/voltdb,ingted/voltdb,kumarrus/voltdb,deerwalk/voltdb,VoltDB/voltdb,ingted/voltdb,kumarrus/voltdb,creative-quant/voltdb,zuowang/voltdb,flybird119/voltdb,simonzhangsm/voltdb,flybird119/voltdb,wolffcm/voltdb,flybird119/voltdb,simonzhangsm/voltdb,simonzhangsm/voltdb,creative-quant/voltdb,VoltDB/voltdb,zuowang/voltdb,paulmartel/voltdb,ingted/voltdb,zuowang/voltdb,wolffcm/voltdb,deerwalk/voltdb,creative-quant/voltdb,paulmartel/voltdb,VoltDB/voltdb,zuowang/voltdb,simonzhangsm/voltdb,wolffcm/voltdb,paulmartel/voltdb,creative-quant/voltdb,simonzhangsm/voltdb,wolffcm/voltdb,kumarrus/voltdb,migue/voltdb,migue/voltdb,ingted/voltdb,flybird119/voltdb,simonzhangsm/voltdb,VoltDB/voltdb,wolffcm/voltdb,deerwalk/voltdb,ingted/voltdb,migue/voltdb,kumarrus/voltdb,VoltDB/voltdb,creative-quant/voltdb,simonzhangsm/voltdb,flybird119/voltdb,ingted/voltdb,wolffcm/voltdb,wolffcm/voltdb,zuowang/voltdb,paulmartel/voltdb,migue/voltdb,creative-quant/voltdb,migue/voltdb,paulmartel/voltdb,paulmartel/voltdb,ingted/voltdb