AlterQuery  compress_table (children 2)
 ExpressionList (children 1)
  AlterCommand MODIFY_COLUMN (children 1)
   ColumnDeclaration value2 (children 1)
    Function CODEC (children 1)
     ExpressionList (children 1)
      Function Default (children 1)
       ExpressionList (children 1)
        Literal UInt64_5
 Identifier compress_table