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Store headers about send delay/send_at timestamp #372

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v0idpwn opened this issue Dec 30, 2024 · 0 comments

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v0idpwn commented Dec 30, 2024 •

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Currently, we don't store information about if a message had a delay. We could store it in the message headers:

select * from pgmq.send('my_queue', '{}'::jsonb, 10);
select msg, headers from pgmq.read('my_queue', 5, 5);
| msg |         headers        |
| {}  | {"x-pgmq-send-in": 10} |

Additionally, we can send with delay based on these headers:

-- This:
select * from pgmq.send('my_queue', '{}'::jsonb, '{"x-pgmq-send-in": 5}'::jsonb)
-- Could be equivalent to:
select * from pgmq.send('my_queue', '{}'::jsonb, 5)

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