CreateQuery data_01917 (children 3)
 Identifier data_01917
 Columns definition (children 2)
  ExpressionList (children 3)
   ColumnDeclaration key (children 1)
    DataType Int
   ColumnDeclaration d1 (children 1)
    DataType Int
   ColumnDeclaration d1_null (children 1)
    DataType Nullable (children 1)
     ExpressionList (children 1)
      DataType Int
  ExpressionList (children 2)
   Index (children 2)
    Identifier d1
    Function minmax (children 1)
     ExpressionList
   Index (children 2)
    Function assumeNotNull (children 1)
     ExpressionList (children 1)
      Identifier d1_null
    Function minmax (children 1)
     ExpressionList
 Storage definition (children 2)
  Function MergeTree (children 1)
   ExpressionList
  Identifier key
