disable the null check in EE to experiment the performance
disable the null check in EE to experiment the performance

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