CreateQuery tn1 (children 3)
 Identifier tn1
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration key (children 1)
    DataType Nullable (children 1)
     ExpressionList (children 1)
      DataType UInt32
   ColumnDeclaration s (children 1)
    DataType String
 Storage definition (children 1)
  Function TinyLog
