VSchema: add clarification about Primary Vindex
VSchema: add clarification about Primary Vindex

sougou/vitess,enisoc/vitess,applift/vitess,mahak/vitess,vitessio/vitess,mattharden/vitess,tirsen/vitess,mattharden/vitess,alainjobart/vitess,tirsen/vitess,tinyspeck/vitess,vitessio/vitess,tinyspeck/vitess,sougou/vitess,mahak/vitess,pivanof/vitess,alainjobart/vitess,mahak/vitess,rnavarro/vitess,sougou/vitess,dcadevil/vitess,HubSpot/vitess,mahak/vitess,HubSpot/vitess,davygeek/vitess,pivanof/vitess,applift/vitess,tinyspeck/vitess,alainjobart/vitess,davygeek/vitess,mahak/vitess,enisoc/vitess,tinyspeck/vitess,vitessio/vitess,alainjobart/vitess,pivanof/vitess,rnavarro/vitess,dcadevil/vitess,tinyspeck/vitess,HubSpot/vitess,sougou/vitess,vitessio/vitess,tirsen/vitess,alainjobart/vitess,dcadevil/vitess,enisoc/vitess,vitessio/vitess,applift/vitess,davygeek/vitess,rnavarro/vitess,sougou/vitess,HubSpot/vitess,tirsen/vitess,applift/vitess,mattharden/vitess,davygeek/vitess,enisoc/vitess,applift/vitess,pivanof/vitess,vitessio/vitess,tirsen/vitess,tirsen/vitess,mattharden/vitess,HubSpot/vitess,rnavarro/vitess,rnavarro/vitess,applift/vitess,applift/vitess,mattharden/vitess,tirsen/vitess,HubSpot/vitess,mahak/vitess,davygeek/vitess,alainjobart/vitess,davygeek/vitess,pivanof/vitess,pivanof/vitess,applift/vitess,rnavarro/vitess,HubSpot/vitess,alainjobart/vitess,alainjobart/vitess,mattharden/vitess,rnavarro/vitess,mattharden/vitess,mahak/vitess,dcadevil/vitess,tirsen/vitess,mattharden/vitess,dcadevil/vitess,HubSpot/vitess,sougou/vitess,vitessio/vitess,enisoc/vitess,enisoc/vitess,vitessio/vitess,tirsen/vitess,rnavarro/vitess,sougou/vitess,rnavarro/vitess,applift/vitess,applift/vitess,mattharden/vitess,pivanof/vitess,davygeek/vitess,dcadevil/vitess,sougou/vitess,pivanof/vitess,mattharden/vitess,tinyspeck/vitess,enisoc/vitess,pivanof/vitess,dcadevil/vitess,mahak/vitess,tinyspeck/vitess