This is used to filter out tags/topics. I don't know these languages and so wish to exclude them from the results. $.tags is a section of C.json_metadata and so wildcard searching, although painful, is less of an issue. There is likely a better way to do this, and I hope someone can chip in.
The way I do it is expand the json out and use it as a join and cross apply, kind of a pain in the ass but works good. Every query that uses this is a brain teaser.
Yeah that sounds nasty, but probably better/quicker. Got an example? :D
SELECT Json_value(voters.voters, '$.voter') AS voter, Json_value(voters.voters, '$.time') AS time, Json_value(voters.voters, '$.rshares') AS rshares FROM (SELECT votes.[value] AS voters, c.author, c.permlink FROM comments c CROSS apply Openjson(c.active_votes) AS votes WHERE c.author = 'themarkymark' AND c.permlink = '315-pairs-of-socks-have-a-marketcap-of-usd28-million-dollars') AS votersI like it, cheers!
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