English Wikipedia @ Freddythechick:Database reports/Uncategorized categories/Configuration

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Source code

<syntaxhighlight lang="rust"> /* Copyright 2008 bjweeks, MZMcBride Copyright 2021 Kunal Mehta <legoktm@debian.org>

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>.

*/

use anyhow::Result; use dbreps2::{str_vec, Frequency, Report}; use mysql_async::prelude::*; use mysql_async::Conn;

pub struct Row {

   page_title: String,
   page_len: u32,
   cat_pages: u32,
   rev_timestamp: String,
   actor_name: String,

}

pub struct UncatCats {}

impl Report<Row> for UncatCats {

   fn title(&self) -> &'static str {
       "Uncategorized categories"
   }

   fn frequency(&self) -> Frequency {
       Frequency::Weekly
   }

   fn query(&self) -> &'static str {
       r#"

/* uncatcats.rs SLOW_OK */ SELECT

 page_title,
 page_len,
 cat_pages,
 rev_timestamp,
 actor_name

FROM

 revision
 JOIN actor ON rev_actor = actor_id
 JOIN (
   SELECT
     page_id,
     page_title,
     page_len,
     cat_pages
   FROM
     category
     RIGHT JOIN page ON cat_title = page_title
     LEFT JOIN categorylinks ON page_id = cl_from
   WHERE
     cl_from IS NULL
     AND page_namespace = 14
     AND page_is_redirect = 0
 ) AS pagetmp ON rev_page = pagetmp.page_id
 AND rev_timestamp = (
   SELECT
     MAX(rev_timestamp)
   FROM
     revision AS last
   WHERE
     last.rev_page = pagetmp.page_id
 );

"#

   }

   async fn run_query(&self, conn: &mut Conn) -> Result<Vec<Row>> {
       let rows = conn
           .query_map(
               self.query(),
               |(
                   page_title,
                   page_len,
                   cat_pages,
                   rev_timestamp,
                   actor_name,
               )| Row {
                   page_title,
                   page_len,
                   cat_pages,
                   rev_timestamp,
                   actor_name,
               },
           )
           .await?;
       Ok(rows)
   }

   fn headings(&self) -> Vec<&'static str> {
       vec!["Category", "Length", "Members", "Last edit", "Last user"]
   }

   fn format_row(&self, row: &Row) -> Vec<String> {
       str_vec![
           format!("{1={}}", &row.page_title),
           row.page_len,
           row.cat_pages,
           row.rev_timestamp,
           row.actor_name
       ]
   }

   fn code(&self) -> &'static str {
       include_str!("uncatcats.rs")
   }

} </syntaxhighlight>