CreateQuery projection_without_key (children 3)
 Identifier projection_without_key
 Columns definition (children 2)
  ExpressionList (children 1)
   ColumnDeclaration key (children 1)
    DataType UInt32
  ExpressionList (children 1)
   Projection (children 1)
    ProjectionSelectQuery (children 1)
     ExpressionList (children 1)
      Function max (children 1)
       ExpressionList (children 1)
        Identifier key
 Storage definition (children 2)
  Function MergeTree
  Identifier key