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Q&A for scientists using computers to solve scientific problems

-- Step 3: Extract comments for the posts in batches
WITH CommentBatch AS (
    SELECT 
        c.Id AS CommentId, 
        c.Text, 
        p.Title, 
        p.OwnerUserId AS UserId, 
        u.DisplayName,
        u.Location,
        t.TagName,
        ROW_NUMBER() OVER (PARTITION BY p.Id ORDER BY c.CreationDate DESC) AS CommentRowNum
    FROM Comments c
    INNER JOIN Posts p ON c.PostId = p.Id
    INNER JOIN Users u ON p.OwnerUserId = u.Id
    INNER JOIN PostTags pt ON p.Id = pt.PostId
    INNER JOIN Tags t ON pt.TagId = t.Id
    WHERE t.TagName IN ('python', 'java', 'csharp', 'php', 'javascript', 'go', 'swift') -- Programming languages filter
    AND p.OwnerUserId IN (267,114251,3962914,216074,77567,7432,139459,276101,263525,895245,14343,1240268,149392,9515207,2988,3597276,2225682,143305,215945,908494,413501,171456,415784,118068,68587,139010,674039,2016562,26428,224132,151292,4883,73070,487339,34211,938089,992484,3153,16883,5459839,94197,222908,70393,605744,12711,6782,5190,18771,4124317,519413,20670,69755,51816,34088,829571,507674,96100,7964527,398670,46058,24181,2887218,187690,965051,298479,208809,807126,1259510,75170,2877241,24874,2422776,748858,113962,40342,5987,116,174728,405017,6521,16076,526535,97337,342852,147192,53013,464744,2711488,105929,2336654,14122,98713,35070,6068,1529630,5044042,47773,325565,103167,65387)
   )
SELECT 
    cb.CommentId,  
    cb.Title AS CommentTitle,
    cb.Text AS CommentText,
    cb.UserId, 
    cb.DisplayName AS UserName,
    cb.Location AS UserCountry,
    cb.TagName AS CommentTag
FROM CommentBatch cb
WHERE cb.CommentRowNum BETWEEN 1 AND 500;

fork query

edited oct 26

created oct 24 anonymous