ENG-5833: nulls get out way up top.
ENG-5833: nulls get out way up top.

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