CreateQuery tab2 (children 3)
 Identifier tab2
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration x (children 1)
    DataType UInt32
   ColumnDeclaration y (children 2)
    DataType UInt32
    Function dictGet (children 1)
     ExpressionList (children 3)
      Identifier dict
      Literal \'y\'
      Identifier x
 Storage definition (children 2)
  Function MergeTree
  Identifier y
