无法安装 Discourse Question Answer：ON CONFLICT DO NOTHING

安装
4

看起来 ‘vote_history’ 字段存在问题：

I, [2022-09-05T19:39:21.422820 #1]  INFO -- : > cd /var/www/discourse & su discourse -c 'bundle exec rake db:migrate'
2022-09-05 19:39:34.506 CST [819] discourse@discourse ERROR:  cannot extract elements from a scalar
2022-09-05 19:39:34.506 CST [819] discourse@discourse STATEMENT:  INSERT INTO question_answer_votes (post_id, user_id, created_at)
        SELECT
          X.post_id AS post_id,
          (X.value->>'user_id')::int AS user_id,
          (X.value->>'created_at')::timestamp AS created_at
        FROM (
          SELECT
            post_id,
            jsonb_array_elements(value::jsonb) AS value
          FROM post_custom_fields WHERE name = 'vote_history'
        ) AS X
        WHERE (X.value->>'action') != 'destroy'
        ORDER BY (X.value->>'created_at')::timestamp DESC
        ON CONFLICT DO NOTHING

rake aborted!
StandardError: An error has occurred, this and all later migrations canceled:

最近还有另一个关于类似错误的报告 - Bootstrap failed with exit code 1 尽管那里还没有解决方案。

这是否可能与之前安装了 Pavilion 插件有关？@Hifihedgehog，您的站点之前也安装过这个插件吗？

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