46 lines
1.6 KiB
Ruby
46 lines
1.6 KiB
Ruby
module GoogleBigQuery
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class PostVersion < Base
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def find_removed(tag, limit = 1_000)
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tag = escape(tag)
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limit = limit.to_i
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query("select id, post_id, updated_at, updater_id, updater_ip_addr, tags, added_tags, removed_tags, parent_id, rating, source from [#{data_set}.post_versions] where regexp_match(removed_tags, \"(?:^| )#{tag}(?:$| )\") order by updated_at desc limit #{limit}")
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end
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def find_added(tag, limit = 1_000)
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tag = escape(tag)
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limit = limit.to_i
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query("select id, post_id, updated_at, updater_id, updater_ip_addr, tags, added_tags, removed_tags, parent_id, rating, source from [#{data_set}.post_versions] where regexp_match(added_tags, \"(?:^| )#{tag}(?:$| )\") order by updated_at desc limit #{limit}")
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end
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def find(user_id, added_tags, removed_tags, limit = 1_000)
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constraints = []
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constraints << "updater_id = #{user_id.to_i}"
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if added_tags
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added_tags.scan(/\S+/).each do |tag|
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escaped = escape(tag)
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constraints << "regexp_match(added_tags, \"(?:^| )#{escaped}(?:$| )\")"
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end
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end
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if removed_tags
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removed_tags.scan(/\S+/).each do |tag|
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escaped = escape(tag)
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constraints << "not regexp_match(added_tags, \"(?:^| )#{escaped}(?:$| )\")"
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end
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end
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limit = limit.to_i
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sql = "select id from [#{data_set}.post_versions] where " + constraints.join(" and ") + " order by updated_at desc limit #{limit}"
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result = query(sql)
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if result["rows"]
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result["rows"].map {|x| x["f"][0]["v"].to_i}
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else
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[]
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end
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end
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end
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end
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