CreateQuery tab2 (children 3)
 Identifier tab2
 Columns definition (children 2)
  ExpressionList (children 4)
   ColumnDeclaration id1 (children 1)
    DataType Int32
   ColumnDeclaration id2 (children 1)
    DataType Int32
   ColumnDeclaration id3 (children 1)
    DataType Int32
   ColumnDeclaration v (children 1)
    DataType Int32
  ExpressionList (children 1)
   Index (children 2)
    Identifier v
    Function minmax (children 1)
     ExpressionList
 Storage definition (children 3)
  Function ReplacingMergeTree
  Function tuple (children 1)
   ExpressionList (children 3)
    Identifier id1
    Identifier id2
    Identifier id3
  Set
