Add rank filed into compactingMap tree node
Add rank filed into compactingMap tree node

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