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Lists the most commonly used tags with empty/missing/short tag wikis (wiki or excerpt). Can also identify tag wikis that are over a specified length. Enter -1 for all parameters to match all tags. Tags that have been synonymized are excluded.

Q&A for experienced flyers, pilots, and builders of drones and model aircraft

-- MaxBodyLength: Body shorter than "Set to -1 to disable"
DECLARE @max_body_len INT = ##MaxBodyLength:INT?1##;
-- MaxExcerptLength: or excerpt shorter than "Set to -1 to disable"
DECLARE @max_excerpt_len INT = ##MaxExcerptLength:INT?1##;
-- MinBodyLength: or body longer than "Set to -1 to disable"
DECLARE @min_body_len INT = ##MinBodyLength:INT?11000##;
-- MinExcerptLength: or excerpt longer than "Set to -1 to disable"
DECLARE @min_excerpt_len INT = ##MinExcerptLength:INT?-1##;

SELECT Count,
       t.TagName,
       COALESCE(LEN(pe.Body),0)  AS [Excerpt length],
       COALESCE(LEN(pw.Body),0)  AS [Wiki length],
       ExcerptPostId             AS [Post Link],
       pe.CreationDate
FROM   Tags t
       LEFT JOIN Posts pe ON pe.Id = t.ExcerptPostId
       LEFT JOIN Posts pw ON pw.Id = t.WikiPostId
WHERE  -- match everything if all parameters are -1
       (@max_body_len = -1 AND @max_excerpt_len = -1
        AND @min_body_len = -1 AND @min_excerpt_len = -1) OR
       ((WikiPostId IS NULL  -- no wiki/excerpt
         AND (@max_excerpt_len <> -1 OR @max_body_len <> -1))
        OR LEN(pe.Body) < NULLIF(@max_excerpt_len,-1) -- short excerpt
        OR LEN(pw.Body) < NULLIF(@max_body_len,-1)    -- short wiki
        OR LEN(pe.Body) > NULLIF(@min_excerpt_len,-1) -- long excerpt
        OR LEN(pw.Body) > NULLIF(@min_body_len,-1))    -- long wiki
ORDER  BY Count DESC,
       COALESCE(LEN(pe.Body),0) ASC,
       COALESCE(LEN(pw.body),0) ASC,
       t.TagName

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edited mar 21 16 amaranth

created feb 1 13 e