26 lines
762 B
Ruby
26 lines
762 B
Ruby
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# frozen_string_literal: true
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class BackfillOutboundMessageId < ActiveRecord::Migration[7.0]
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def up
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# best effort backfill, we don't care about years worth of message_id
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# preservation
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#
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# we also don't need to backfill outbound_message_id for posts that
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# do _not_ have an incoming email linked, since that will be backfilled
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# at runtime if it is missing
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sql_query = <<~SQL
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UPDATE posts
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SET outbound_message_id = ie.message_id
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FROM incoming_emails AS ie
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WHERE ie.post_id = posts.id
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AND posts.created_at >= :one_year_ago
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AND posts.outbound_message_id IS NULL
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SQL
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DB.exec(sql_query, one_year_ago: 1.year.ago)
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end
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def down
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raise ActiveRecord::IrreversibleMigration
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end
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end
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