English Wikipedia @ Freddythechick:Database reports/Orphaned talk subpages/Configuration

This report is updated every 7 days.

Source code

<syntaxhighlight lang="rust"> /* Copyright 2010, 2013 bjweeks, MZMcBride, Tim Landscheidt 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::{linker, str_vec, Frequency, Report}; use mysql_async::prelude::*; use mysql_async::Conn;

pub struct Row {

   page_namespace: u32,
   page_title: String,

}

pub struct OrphanedSubTalks {}

impl Report<Row> for OrphanedSubTalks {

   fn title(&self) -> &'static str {
       "Orphaned talk subpages"
   }

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

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

/* orphanedsubtalks.rs SLOW_OK */ SELECT

 pg1.page_namespace,
 pg1.page_title

FROM

 page AS pg1

WHERE

 pg1.page_title LIKE '%/%'
 AND pg1.page_namespace IN (1, 5, 7, 9, 11, 13, 15, 101, 103, 119, 711, 829)
 AND NOT EXISTS (
   SELECT
     1
   FROM
     page AS pg2
   WHERE
     pg2.page_namespace = pg1.page_namespace
     AND pg2.page_title = SUBSTRING_INDEX(pg1.page_title, '/', 1)
 )
 AND NOT EXISTS (
   SELECT
     1
   FROM
     page AS pg3
   WHERE
     pg3.page_namespace = pg1.page_namespace - 1
     AND pg3.page_title = pg1.page_title
 )
 AND NOT EXISTS (
   SELECT
     1
   FROM
     page AS pg4
   WHERE
     pg4.page_namespace = pg1.page_namespace - 1
     AND pg4.page_title = SUBSTRING_INDEX(pg1.page_title, '/', 1)
 )
 AND NOT EXISTS (
   SELECT
     1
   FROM
     templatelinks
   JOIN linktarget ON tl_target_id = lt_id
   WHERE
     tl_from = pg1.page_id
     AND lt_namespace = 10
     AND lt_title = 'G8-exempt'
 )
 AND NOT EXISTS (
   SELECT
     1
   FROM
     page AS pg5
   WHERE
     pg5.page_namespace = pg1.page_namespace
     AND pg5.page_title = LEFT(
       pg1.page_title,
       LENGTH(pg1.page_title) - INSTR(REVERSE(pg1.page_title), '/')
     )
 );

"#

   }

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

   fn intro(&self) -> &'static str {
       "Talk pages that don't have a root page and do not have a \
       corresponding subject-space page"
   }

   fn headings(&self) -> Vec<&'static str> {
       vec!["Page"]
   }

   fn format_row(&self, row: &Row) -> Vec<String> {
       str_vec![linker(row.page_namespace, &row.page_title)]
   }

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

} </syntaxhighlight>