Hi,
What is the best way to set the default_limit to something like 12345678 ?
Suppose that I need and I want more than 1000 rows.
I can’t figure out what default_limit you’re talking about. I don’t see that in site_settings.yml. What are you trying to do? And are you trying to do it in a plugin or theme component (since you posted in dev)?
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Ok, the only way is to set another value like this:
I was hoping there was a better way in Discourse’s settings UI.
./launcher enter app
cd /var/www/discourse/plugins/discourse-data-explorer/
sed -i 's/QUERY_RESULT_DEFAULT_LIMIT = 1000/QUERY_RESULT_DEFAULT_LIMIT = 12345678/g' /var/www/discourse/plugins/discourse-data-explorer/plugin.rb
sed -i 's/QUERY_RESULT_MAX_LIMIT = 1000/QUERY_RESULT_MAX_LIMIT = 12345678/g' /var/www/discourse/plugins/discourse-data-explorer/plugin.rb
Certainly not the only way.
As per my link, you can fork the plugin, change the constant and clone your fork.
You could always PR a plugin setting to that plugin …
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Not the only way. It’s possible to make changes like that with launcher. You can log at the other templates for examples of how to make changes to files.
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If this isn’t the only way, can you provide an example thanks.
They recently change the code to a new hidden settings…
cd /var/discourse
./launcher enter app
sed -i 's/QUERY_RESULT_DEFAULT_LIMIT = 1000/QUERY_RESULT_DEFAULT_LIMIT = 10000000/g' /var/www/discourse/plugins/discourse-data-explorer/plugin.rb
sed -i 's/QUERY_RESULT_MAX_LIMIT = 1000/QUERY_RESULT_MAX_LIMIT = 10000000/g' /var/www/discourse/plugins/discourse-data-explorer/plugin.rb
sed -i 's/default: 1000/default: 10000000/g' plugins/discourse-data-explorer/config/settings.yml
sed -i 's/max: 10000/max: 10000000/g' plugins/discourse-data-explorer/config/settings.yml
rails c
SiteSetting.data_explorer_query_result_limit=1000000
exit
exit
reboot
How can one change such a “hidden setting” in the most forward way?
I hope it does not require editing code to change such a basic limit of the plugin.
You can change a hidden site setting using the rails console (if you have server access).
cd /var/discourse
./launcher enter app
rails c
SiteSetting.data_explorer_query_result_limit = 10000
Though the upper limit is 10,000, and I believe this is only the number of results that are displayed ‘on-screen’ - you can already export 10,000 results even with the setting at the default 1000.
I think adding a page offset to your query is useful if you want to grab batches to export and join together in a spreadsheet (etc). eg:
-- [params]
-- integer :page = 0
-- integer :limit = 10000
SELECT
category_id,
created_at::date,
id AS topic_id,
views
FROM topics
WHERE deleted_at IS NULL
ORDER BY created_at DESC
OFFSET :page * :limit
LIMIT :limit
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I only got 1000 results when querying a query via the API and considering the significant overhead per request (factor 100 to the raw request to the database) I rather increase that limit than do multiple queries. 
Is that rail console approach persistent over software upgrades and restarts?
Changing a site setting via the rails console is the same as doing it through the UI (just for the hidden ones there is no UI ), so the change will stick and not be affected by rebuilds or restarts, etc. 
My knowledge on running them through the API is not as good as the regular way, but I think there’s a method of getting the full 10,000 without changing the setting in the rails console in this topic - Run Data Explorer queries with the Discourse API
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Thank you, that limit=ALL parameter solves it for me.
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