ENG-4898 Add ELASTIC_INDEX_READ constant to TableStreamType.
ENG-4898 Add ELASTIC_INDEX_READ constant to TableStreamType.

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