CreateQuery minmax_idx (children 3)
 Identifier minmax_idx
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration u64 (children 1)
    DataType UInt64
   ColumnDeclaration i32 (children 1)
    DataType Int32
 Storage definition (children 2)
  Function MergeTree (children 1)
   ExpressionList
  Identifier u64