Q&A for developers building blockchains with the Substrate SDK
-- Step 2: Extract posts for the selected users WITH PostBatch AS ( SELECT p.Id AS PostId, p.Title, p.Body, p.OwnerUserId AS UserId, u.DisplayName, t.TagName, u.Location, ROW_NUMBER() OVER (PARTITION BY p.OwnerUserId ORDER BY p.CreationDate DESC) AS PostRowNum FROM Posts p 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 LOWER(t.TagName) IN ('python', 'java', 'csharp', 'php', 'javascript', 'go', 'swift') -- Programming languages filter AND p.OwnerUserId IN (924727,3497,267719,185921,235885,2203084,366309,3450034,724689,472034,48581,3134069,2685412,877819,1619294,718,61018,459338,4452553,525965,304588,1121841,2548721,4698790,3231194,6429072,37532,2058133,7215872,1027250,16118686,728469,11043825,2851687,4335771,2497859,6542896,115330,184234,1347816,1599,279277,1968705,3126509,855425,6891406,1429811,156982,1500392,5217712,5568405,1914902,1080742,3770235,106224,1863229,415784,14955,1338292,2435473,610569,550966,784588,8427,11238,681865,1751946,377953,75501,118068,487339,1774667,813,429846,772035,33686,81179,198633,26210,14731,19212,193619,111307,962089,65868,172999,317975,279259,513413,3661630,343,104999,8701,27020,120513,398060,5237560,3858469,1055987,62553) ) SELECT p.PostId, p.Title AS PostTitle, p.Body AS PostBody, p.UserId, P.DisplayName AS UserName, p.Location AS UserCountry, p.TagName AS PostTag FROM PostBatch p WHERE p.PostRowNum BETWEEN 0 AND 500;