Number of pages that link to a page

This query is marked as a draft This query has been published by BrandonXLF.
SQL

# redirect
SELECT DISTINCT COUNT(rd_from) FROM redirect
WHERE rd_title = 'Toronto' AND rd_namespace = 0 AND (rd_interwiki IS NULL OR rd_interwiki = '');

# pagelinks, categorylinks
SELECT COUNT(DISTINCT pl_from) - 43, COUNT(indirect), COUNT(direct) - 43 FROM (
	SELECT pl_from, 1 AS indirect, NULL AS direct FROM redirect
	JOIN page AS target ON target.page_id = rd_from
	JOIN pagelinks ON pl_title = target.page_title AND pl_namespace = target.page_namespace
	WHERE rd_namespace = 0 AND rd_title = 'Toronto' AND (rd_interwiki IS NULL OR rd_interwiki = '')
	UNION ALL
  	SELECT pl_from, NULL AS indirect, 1 AS direct FROM pagelinks
	WHERE pl_title = 'Toronto' AND pl_namespace = 0
) AS temp;

# templatelinks, imagelinks
SELECT COUNT(DISTINCT fromid), COUNT(indirect), COUNT(DISTINCT fromid) - COUNT(indirect) FROM (
	SELECT t1.tl_from AS fromid, 1 AS indirect, NULL AS direct FROM redirect
	JOIN page AS target ON target.page_id = rd_from
	JOIN templatelinks AS t1 ON t1.tl_title = target.page_title AND t1.tl_namespace = target.page_namespace
  	# Only include links that actually transclude the redirect target
  	JOIN templatelinks AS t2 ON t2.tl_from = t1.tl_from AND t2.tl_title = 'WikiProject_Canada_Streets' AND t2.tl_namespace = 10
	WHERE rd_namespace = 10 AND rd_title = 'WikiProject_Canada_Streets' AND (rd_interwiki IS NULL OR rd_interwiki = '')
	UNION ALL
  	SELECT tl_from AS fromid, NULL AS indirect, 1 AS direct FROM templatelinks
	WHERE tl_title = 'WikiProject_Canada_Streets' AND tl_namespace = 10
) AS temp;

# templatelinks, imagelinks
SELECT COUNT(DISTINCT direct), COUNT(DISTINCT tl_from), COUNT(DISTINCT direct) - COUNT(DISTINCT tl_from) FROM redirect
JOIN page AS target ON target.page_id = rd_from
JOIN templatelinks ON tl_title = target.page_title AND tl_namespace = target.page_namespace
RIGHT JOIN (
	SELECT tl_from AS direct FROM templatelinks
	WHERE tl_title = 'WikiProject_Canada_Streets' AND tl_namespace = 10
) AS temp ON tl_from = direct AND rd_namespace = 10 AND rd_title = 'WikiProject_Canada_Streets' AND (rd_interwiki IS NULL OR rd_interwiki = '');

# templatelinks, imagelinks
SELECT COUNT(DISTINCT tl_from), COUNT(DISTINCT indirect), COUNT(DISTINCT tl_from) - COUNT(DISTINCT indirect) FROM templatelinks
SELECT tl_from AS direct FROM templatelinks
LEFT JOIN (
	SELECT tl_from AS indirect FROM redirect
	JOIN page AS target ON target.page_id = rd_from
	JOIN templatelinks ON tl_title = target.page_title AND tl_namespace = target.page_namespace
	WHERE rd_title = 'WikiProject_Canada_Streets' AND (rd_interwiki IS NULL OR rd_interwiki = '')
) AS temp ON tl_from = indirect AND tl_title = 'WikiProject_Canada_Streets' AND tl_namespace = 10;

# current
SELECT COUNT(pl_from) - 43 AS 'direct + indirect', COUNT(indirect) AS 'indirect', COUNT(pl_from) - COUNT(indirect) - 43 AS 'direct' FROM (
	SELECT pl_from, 1 AS indirect FROM redirect
	JOIN page AS target ON target.page_id = rd_from
	JOIN pagelinks ON pl_title = target.page_title AND pl_namespace = target.page_namespace
	WHERE rd_namespace = 0 AND rd_title = 'Toronto' AND (rd_interwiki IS NULL OR rd_interwiki = '')
	UNION ALL
  	SELECT pl_from, NULL AS indirect FROM pagelinks
	WHERE pl_title = 'Toronto' AND pl_namespace = 0
) AS temp;
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