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Added pixiv: metatag and Pixiv source indexes

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Adds a pixiv: metatag to quickly find posts by Pixiv ID.  Adds
source:pixiv/* searches to allow left-anchored source searches for Pixiv
sources.  Added relevant indexes to make these queries efficient.
This commit is contained in:
Coconut
2013-03-06 12:19:20 -05:00
parent 31927b54d7
commit 3fd375b23a
3 changed files with 33 additions and 7 deletions
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16
app/logical/post_query_builder.rb
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@@ -124,8 +124,9 @@ class PostQueryBuilder
relation = add_range_relation(q[:artist_tag_count], "posts.tag_count_artist", relation)
relation = add_range_relation(q[:copyright_tag_count], "posts.tag_count_copyright", relation)
relation = add_range_relation(q[:character_tag_count], "posts.tag_count_character", relation)
relation = add_range_relation(q[:tag_count], "posts.tag_count", relation)
relation = add_range_relation(q[:tag_count], "posts.tag_count", relation)
relation = add_range_relation(q[:pixiv], "substring(posts.source, 'pixiv.net/img.*/([0-9]+)[^/]*$')::integer", relation)
if q[:md5]
relation = relation.where(["posts.md5 IN (?)", q[:md5]])
has_constraints!
@@ -146,6 +147,13 @@ class PostQueryBuilder
if q[:source]
if q[:source] == "none%"
relation = relation.where("(posts.source = '' OR posts.source IS NULL)")
elsif q[:source] =~ /^(pixiv\/|%\.?pixiv(\.net(\/img)?)?(%\/|(?=%$)))(.+)$/
if $5 == "%"
relation = relation.where("substring(posts.source, 'pixiv.net/img.*/([^/]*/[^/]*)$') IS NOT NULL")
else
relation = relation.where("substring(posts.source, 'pixiv.net/img.*/([^/]*/[^/]*)$') LIKE ? ESCAPE E'\\\\'", $5)
end
has_constraints!
else
relation = relation.where("posts.source LIKE ? ESCAPE E'\\\\'", q[:source])
has_constraints!
@@ -241,8 +249,8 @@ class PostQueryBuilder
when "filesize_asc"
relation = relation.order("posts.file_size ASC")
when "rank"
relation = relation.order("log(3, posts.score) + (extract(epoch from posts.created_at) - extract(epoch from timestamp '2005-05-24')) / 45000 DESC")
when "rank"
relation = relation.order("log(3, posts.score) + (extract(epoch from posts.created_at) - extract(epoch from timestamp '2005-05-24')) / 45000 DESC")
else
relation = relation.order("posts.id DESC")