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DEV: Use filesystem-based SchemaCache in development (#12901)
In development we regularly restart/reload Rails, which wipes out the schema cache. This then has to be regenerated using DDL queries on the database. Instead, we can make use of the `rake db:schema:cache:dump` command. This will dump the schema cache to a YAML file, and then load it when needed. This is significantly faster than rebuilding the cache from DDL queries every time.
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@ -36,6 +36,7 @@ config/discourse.conf
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/db/*.sqlite3
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/db/structure.sql
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/db/schema.rb
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/db/schema_cache.yml
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# Ignore all logfiles and tempfiles.
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/log/*.log
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@ -235,6 +235,9 @@ module Discourse
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# see: http://stackoverflow.com/questions/11894180/how-does-one-correctly-add-custom-sql-dml-in-migrations/11894420#11894420
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config.active_record.schema_format = :sql
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# We use this in development-mode only (see development.rb)
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config.active_record.use_schema_cache_dump = false
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# per https://www.owasp.org/index.php/Password_Storage_Cheat_Sheet
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config.pbkdf2_iterations = 64000
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config.pbkdf2_algorithm = "sha256"
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@ -12,6 +12,9 @@ Discourse::Application.configure do
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# Log error messages when you accidentally call methods on nil.
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config.eager_load = false
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# Use the schema_cache.yml file generated during db:migrate (via db:schema:cache:dump)
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config.active_record.use_schema_cache_dump = true
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# Show full error reports and disable caching
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config.consider_all_requests_local = true
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config.action_controller.perform_caching = false
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@ -221,6 +221,10 @@ task 'db:migrate' => ['load_config', 'environment', 'set_locale'] do |_, args|
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SeedFu.quiet = true
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SeedFu.seed(SeedHelper.paths, SeedHelper.filter)
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if Rails.env.development?
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Rake::Task['db:schema:cache:dump'].invoke
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end
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if !Discourse.skip_post_deployment_migrations? && ENV['SKIP_OPTIMIZE_ICONS'] != '1'
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SiteIconManager.ensure_optimized!
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end
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