3fd375b23a
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.
16 lines
588 B
Ruby
16 lines
588 B
Ruby
class AddIndexPixivOnPosts < ActiveRecord::Migration
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def up
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execute "set statement_timeout = 0"
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execute "CREATE INDEX index_posts_on_pixiv_suffix ON posts USING btree
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((substring(source, 'pixiv.net/img.*/([^/]*/[^/]*)$')) text_pattern_ops);"
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execute "CREATE INDEX index_posts_on_pixiv_id ON posts USING btree
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((substring(source, 'pixiv.net/img.*/([0-9]+)[^/]*$')::integer));"
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end
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def down
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execute "set statement_timeout = 0"
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execute "DROP INDEX index_posts_on_pixiv_suffix;"
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execute "DROP INDEX index_posts_on_pixiv_id;"
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end
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end
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