message: Update space size of a minidump
diff: @@ -364,7 +364,7 @@ explain select * from A where not exists (select sum(C.i) from C where C.i = A.i
  </dxl:LogicalGet>
  </dxl:LogicalSelect>
  </dxl:Query>
  - <dxl:Plan Id="0" SpaceSize="0">
  + <dxl:Plan Id="0" SpaceSize="32">
  <dxl:GatherMotion InputSegments="0,1,2" OutputSegments="-1">
  <dxl:Properties>
  <dxl:Cost StartupCost="0" TotalCost="862.001220" Rows="2.000000" Width="8"/>
  