CreateQuery t2 (children 3)
 Identifier t2
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration c1 (children 1)
    DataType Int32
   ColumnDeclaration c2 (children 1)
    DataType Int32
   ColumnDeclaration c3 (children 1)
    DataType String
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList (children 3)
    Identifier c1
    Identifier c2
    Identifier c3
