Il rebake fallisce quando si modifica solo il nome del sottodominio

Supporto Installazione
1

Ciao

Ho recentemente copiato la cartella del database /shared dal nostro server di produzione a quello di staging (per far coincidere entrambi gli ambienti).

Ho notato che i link puntavano al dominio precedente, quindi ho seguito questa guida.

Eseguendo questo comando all’interno del container:

discourse remap forums.coretabs.net discourse.coretabs.net

ho ricevuto un errore di duplicate key value:

Riscrittura di tutte le occorrenze di forums.coretabs.net in discourse.coretabs.net
QUESTA OPERAZIONE RISCRIVERÀ I DATI, SEI SICURO (digita YES)
YES
Errore: ERRORE: valore di chiave duplicato viola il vincolo univoco "index_incoming_domains_on_name_and_https_and_port"
DETTAGLIO: La chiave (name, https, port)=(discourse.coretabs.net, t, 443) esiste già.
La rimappatura è stata applicata solo parzialmente a causa dell'errore sopra riportato. Si prega di rieseguire lo script.
2

Yeah I don’t think we have conflict handling built in and you have incoming links for both domains.

You are going to need to manually delete stuff from the problem table prior to running this task.

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3

Thanks Sam for the fast reply!

Could you please point me to where I can manipulate the problematic table?

4 
rails c
DB.exec "update from incoming_domains set name='discourse-old.coretabs.net' where name = 'discourse.coretabs.net'"

Is likely what you want it will lead to a minor data inconsistency but at least the remap will probably work.

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5

So here is what I did:

  1. I run the command you pointed out (without from :grin:)

  2. Run the rebake again, now it stopped here:

Rewriting all occurences of forums.coretabs.net to discourse.coretabs.net
THIS TASK WILL REWRITE DATA, ARE YOU SURE (type YES)
YES
incoming_domains=1
incoming_referers=3
invites=1
javascript_caches=1
post_revisions=509
posts=84
single_sign_on_records=1099
theme_fields=4
topic_custom_fields=4
Error: ERROR:  duplicate key value violates unique constraint "unique_post_links"
DETAIL:  Key (topic_id, post_id, url)=(69, 212, https://discourse.coretabs.net/t/topic/365) already exists.
The remap has only been partially applied due to the error above. Please re-run the script again.

  1. Googled "unique_post_links" and found that its table is called topic_links from the schema.sql

  2. This time links are partial so I used a replace query:

DB.exec "update topic_links set url=REPLACE(url, 'discourse.coretabs.net', 'discourse-old.coretabs.net')"
  1. Run the rebake again.

Works like a charm, thanks Sam :rose:

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