CreateQuery alter_test (children 2)
 Identifier alter_test
 Columns definition (children 1)
  ExpressionList (children 4)
   ColumnDeclaration CounterID (children 1)
    DataType UInt32
   ColumnDeclaration StartDate (children 1)
    DataType Date
   ColumnDeclaration UserID (children 1)
    DataType UInt32
   ColumnDeclaration VisitID (children 1)
    DataType UInt32
