FE=> Parse(stmt="", query="SELECT 1")
FE=> Flush
<= BE ParseComplete
FE=> Bind(stmt="", portal="")
FE=> Flush
<= BE BindComplete
FE=> Execute(portal="")
FE=> Flush
FE=> Sync
<= BE DataRow
<= BE CommandComplete(SELECT 1)
<= BE ReadyForQuery(I)
FE=> Terminate
