Hebrew vocalization marks in section titles

This query retrieves the count/list of Hebrew entries with vocalization marks created before/after the first revision of [[Wikipedysta:Olafbot/SK/nagłówki]].
https://pl.wiktionary.org/w/index.php?title=Wikis%C5%82ownik:Bar&oldid=4840816#Nag.C5.82.C3.B3wki_sekcji_.C5.82aci.C5.84skich

SQL

USE plwiktionary_p;

SET @category = "hebrajski_(indeks)";
SET @pbbot_pageid = 578025;
SET @timestamp = 20100919000000;

-- Resultset 1: before @timestamp

SELECT
	COUNT(DISTINCT page_title) as "count"
FROM
	page
    	RIGHT JOIN categorylinks ON
            cl_from = page_id
		RIGHT JOIN pagelinks ON
        	pl_title = page_title
		JOIN revision ON
        	rev_page = page_id
WHERE
	cl_to = @category AND
	pl_from = @pbbot_pageid AND
    rev_timestamp < @timestamp
;

-- Resultset 2: after @timestamp
/*
SELECT
	DISTINCT page_title,
    MIN(rev_timestamp)
FROM
	page
    	RIGHT JOIN categorylinks ON
            cl_from = page_id
		RIGHT JOIN pagelinks ON
        	pl_title = page_title
		JOIN revision ON
        	rev_page = page_id
WHERE
	cl_to = @category AND
	pl_from = @pbbot_pageid AND
    rev_timestamp > @timestamp
ORDER BY
	rev_timestamp
;*/

SQL

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