CODEWITHSUNDEEP
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Jack Russel
Jack Russel

Reputation: 351

List of all tags used on Stack Overflow

I am building a website, which categorizes IT problems. How can I get the content of all tags used on Stack Overflow?

I need to use the same tagging feature with the same content, but separately.

How can I extract the content of all tags? (It should be a couple of thousand.)

Upvotes: 18

Views: 6036

Answers (2)

Amir Heshmati
Amir Heshmati

Reputation: 648

I developed upon andy's answer and gathered up each tag's synonyms as well:

select e.id,
  count(t.tagName),
  string_agg(TagSynonyms.SourceTagName, ',') as synonyms,
  t.tagName,
  e.body as 'Excerpt',
  w.body as 'WikiBody'
from tags t
left join Posts e
  on t.ExcerptPostId = e.Id
left join Posts w
  on t.WikiPostId = w.Id
left join TagSynonyms 
  on TagSynonyms.TargetTagName = t.tagName
group by t.tagName, e.body, w.body, e.id
order by  count(t.tagName) desc

The link is here.

Upvotes: 6

Andy
Andy

Reputation: 50550

You can utilize the Stack Exchange Data Explorer for gathering this type of information.

The query below will pull all tags, their excerpts and their wiki content:

select 
  t.tagName,
  e.body as 'Excerpt',
  w.body as 'WikiBody'
from tags t
left join Posts e
  on t.ExcerptPostId = e.Id
left join Posts w
  on t.WikiPostId = w.Id
order by t.tagName

At the time of this post, this returns 42,553 rows.

Note that not all tags have excerpts or wiki content.

Upvotes: 25

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