CreateQuery test (children 3)
 Identifier test
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration id (children 1)
    DataType Int32
   ColumnDeclaration data (children 1)
    DataType FixedString (children 1)
     ExpressionList (children 1)
      Literal UInt64_3
 Storage definition (children 2)
  Function MergeTree (children 1)
   ExpressionList
  Identifier id
