CreateQuery test_table (children 3)
 Identifier test_table
 Columns definition (children 2)
  ExpressionList (children 2)
   ColumnDeclaration key (children 1)
    DataType UInt64
   ColumnDeclaration value (children 1)
    DataType String
  ExpressionList (children 1)
   Index (children 2)
    Identifier value
    Function minmax (children 1)
     ExpressionList
 Storage definition (children 3)
  Function MergeTree (children 1)
   ExpressionList
  Identifier key
  Set
