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 AS 'either (unique)', COUNT(indirect) AS 'indirect (unique)', COUNT(direct) - 43 AS 'direct' FROM (
	SELECT DISTINCT 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 DISTINCT 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) AS 'either (unique)', COUNT(indirect) AS 'indirect (unique)', COUNT(DISTINCT fromid) - COUNT(indirect) AS 'direct' FROM (
	SELECT DISTINCT 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 DISTINCT 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 fromid) AS 'either (unique)', COUNT(indirect) AS 'indirect (unique)', COUNT(DISTINCT fromid) - COUNT(indirect) AS 'direct' FROM (
# SELECT DISTINCT COUNT(DISTINCT direct), COUNT(DISTINCT indirect), COUNT(DISTINCT indirect) - COUNT(DISTINCT direct) FROM (
SELECT * FROM (
	SELECT DISTINCT tl_from AS indirect, direct/*, 1 AS indirect, NULL AS direct*/ 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 temp2 ON tl_from = direct
	WHERE rd_namespace = 10 AND rd_title = 'WikiProject_Canada_Streets' AND (rd_interwiki IS NULL OR rd_interwiki = '')
) AS `temp`;

# 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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