SELECT
	posts.id,
	posts.post_title,
	posts.isanon,
	authors.name,
	posts.post_time,
	posts.views
FROM
	posts,authors
WHERE
	authors.id = posts.authorid
	AND posts.unlisted = 0
<% for field, values in pairs(result) do -%>
	<% for _,value in pairs(values) do -%>
		<% local pn,expr,value = unpack(value) -%>
		<% local n = (pn == "+" and "" or "NOT") -%>
		<% if field == "title" then -%>
			AND <%= n %> posts.post_title LIKE ?
		<% elseif field == "author" then -%>
			AND <%= n %> authors.name LIKE ?
		<% elseif field == "date" then -%>
			AND <%= n %> posts.post_time <%- expr %> ?
		<% elseif field == "hits" then -%>
			AND posts.views <%- expr -%> ?
		<% end -%>
	<% end -%>
<% end -%>
<% for _,tag in pairs(result.tags) do -%>
INTERSECT
SELECT
	posts.id,
	posts.post_title,
	posts.isanon,
	authors.name,
	posts.post_time,
	posts.views
FROM
	posts,authors,tags
WHERE
	posts.authorid = authors.id
	AND tags.postid = posts.id
	<% local n,v,t = unpack(tag) -%>
	<% n = (n == "-" and "NOT" or "") -%>
	AND <%= n %> tags.tag = ?
<% end -%>
;