Wikipedia:Database reports/Empty categories/Configuration
This report is updated every day at 1:00 UTC.
Source code
/*
Copyright 2008, 2013 bjweeks, MZMcBride, CBM, Tim Landscheidt
Copyright 2021 Kunal Mehta
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
*/
use anyhow::Result;
use dbreps2::{str_vec, Frequency, Report};
use mysql_async::prelude::*;
use mysql_async::Conn;
pub struct Row {
category: String,
length: u32,
}
pub struct EmptyCats {}
impl Report
fn title(&self) -> &'static str {
"Empty categories"
}
fn frequency(&self) -> Frequency {
Frequency::DailyAt(1)
}
fn query(&self) -> &'static str {
r#"
/* emptycats.rs SLOW_OK */
SELECT
page_title,
page_len
FROM
categorylinks
RIGHT JOIN page ON cl_to = page_title
WHERE
page_namespace = 14
AND page_is_redirect = 0
AND cl_to IS NULL
AND NOT(
CONVERT(page_title USING utf8) REGEXP '(-importance|-class|assess|_articles_missing_|_articles_in_need_of_|_articles_undergoing_|_articles_to_be_|_articles_not_yet_|_articles_with_|_articles_without_|_articles_needing_|Wikipedia_featured_topics)'
)
AND NOT EXISTS (
SELECT
1
FROM
categorylinks
WHERE
cl_from = page_id
AND (
cl_to = 'Wikipedia_soft_redirected_categories'
OR cl_to = 'Disambiguation_categories'
OR cl_to = 'Monthly_clean-up_category_counter'
OR cl_to LIKE 'Empty_categories%'
)
)
AND NOT EXISTS (
SELECT
1
FROM
templatelinks
JOIN linktarget ON tl_target_id = lt_id
WHERE
tl_from = page_id
AND lt_namespace = 10
AND (
lt_title = 'Empty_category'
OR lt_title = 'Possibly_empty_category'
OR lt_title = 'Monthly_clean-up_category'
OR lt_title = 'Maintenance_category_autotag'
)
);
"#
}
async fn run_query(&self, conn: &mut Conn) -> Result
let rows = conn
.query_map(self.query(), |(category, length)| Row {
category,
length,
})
.await?;
Ok(rows)
}
fn intro(&self) -> &'static str {
"Empty categories not in [[:Category:Wikipedia soft redirected \
categories]], not in :Category:Disambiguation categories, not \
in :Category:Monthly clean-up category counter, not tagged with \
{{tl|Maintenance category autotag}}, and not containing \"(-importance\
|\\-class|assess|articles missing|articles in need of|articles \
undergoing|articles to be|articles not yet|articles with|articles \
without|articles needing|Wikipedia featured topics)\""
}
fn headings(&self) -> Vec<&'static str> {
vec!["Category", "Length"]
}
fn format_row(&self, row: &Row) -> Vec
str_vec![format!("{{{{clh|1={}}}}}", row.category), row.length]
}
fn code(&self) -> &'static str {
include_str!("emptycats.rs")
}
}