Capture minimum postgres version 12 (#27528)
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3 changed files with 7 additions and 60 deletions
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@ -67,7 +67,7 @@ Mastodon acts as an OAuth2 provider, so 3rd party apps can use the REST and Stre
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### Requirements
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- **PostgreSQL** 9.5+
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- **PostgreSQL** 12+
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- **Redis** 4+
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- **Ruby** 2.7+
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- **Node.js** 16+
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@ -1,4 +1,4 @@
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# frozen_string_literal: true
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StrongMigrations.start_after = 2017_09_24_022025
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StrongMigrations.target_version = 10
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StrongMigrations.target_version = 12
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@ -158,10 +158,8 @@ module Mastodon
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'in the body of your migration class'
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end
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if supports_drop_index_concurrently?
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options = options.merge({ algorithm: :concurrently })
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disable_statement_timeout
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end
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options = options.merge({ algorithm: :concurrently })
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disable_statement_timeout
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remove_index(table_name, **options.merge({ column: column_name }))
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end
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@ -182,28 +180,12 @@ module Mastodon
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'in the body of your migration class'
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end
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if supports_drop_index_concurrently?
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options = options.merge({ algorithm: :concurrently })
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disable_statement_timeout
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end
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options = options.merge({ algorithm: :concurrently })
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disable_statement_timeout
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remove_index(table_name, **options.merge({ name: index_name }))
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end
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# Only available on Postgresql >= 9.2
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def supports_drop_index_concurrently?
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version = select_one("SELECT current_setting('server_version_num') AS v")['v'].to_i
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version >= 90_200
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end
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# Only available on Postgresql >= 11
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def supports_add_column_with_default?
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version = select_one("SELECT current_setting('server_version_num') AS v")['v'].to_i
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version >= 110_000
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end
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# Adds a foreign key with only minimal locking on the tables involved.
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#
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# This method only requires minimal locking when using PostgreSQL. When
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@ -420,42 +402,7 @@ module Mastodon
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# This method can also take a block which is passed directly to the
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# `update_column_in_batches` method.
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def add_column_with_default(table, column, type, default:, limit: nil, allow_null: false, &block)
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if supports_add_column_with_default?
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add_column(table, column, type, default: default, limit: limit, null: allow_null)
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return
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end
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if transaction_open?
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raise 'add_column_with_default can not be run inside a transaction, ' \
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'you can disable transactions by calling disable_ddl_transaction! ' \
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'in the body of your migration class'
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end
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disable_statement_timeout
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transaction do
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if limit
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add_column(table, column, type, default: nil, limit: limit)
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else
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add_column(table, column, type, default: nil)
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end
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# Changing the default before the update ensures any newly inserted
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# rows already use the proper default value.
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change_column_default(table, column, default)
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end
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begin
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update_column_in_batches(table, column, default, &block)
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change_column_null(table, column, false) unless allow_null
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# We want to rescue _all_ exceptions here, even those that don't inherit
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# from StandardError.
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rescue Exception => error # rubocop: disable all
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remove_column(table, column)
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raise error
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end
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add_column(table, column, type, default: default, limit: limit, null: allow_null)
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end
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# Renames a column without requiring downtime.
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