20 lines
473 B
Ruby
20 lines
473 B
Ruby
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# frozen_string_literal: true
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class DeleteMisconfiguredEmbeddableHosts < ActiveRecord::Migration[7.0]
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def up
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execute(<<~SQL)
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DELETE FROM embeddable_hosts eh1
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WHERE eh1.id IN (
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SELECT eh2.id FROM embeddable_hosts eh2
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LEFT JOIN categories ON categories.id = eh2.category_id
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WHERE eh2.category_id IS NOT NULL
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AND categories.id IS NULL
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)
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SQL
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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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