use different type to remove the warnings on other system
use different type to remove the warnings on other system

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