2016-10-15 05:59:07 +03:00
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PARTICIPANTS_SQL = <<EOS
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CREATE VIEW "participants" AS
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SELECT "users"."id" AS "participant_id",
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"users"."email" AS personal_email,
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"users"."language" AS language,
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"participations"."id" AS "participation_id",
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"personal_profiles"."id" AS "personal_profile_id",
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"personal_profiles".* FROM "users"
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INNER JOIN "participations" ON "users"."id" = "participations"."participant_id"
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INNER JOIN "events" ON "events"."id" = "participations"."event_id"
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INNER JOIN "conferences" ON "events"."conference_id" = "conferences"."id"
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LEFT JOIN "personal_profiles" ON "personal_profiles"."conference_id" = "events"."conference_id"
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AND "personal_profiles"."user_id" = "users"."id";
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EOS
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2019-04-28 11:56:16 +03:00
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class AddParticipantsView < ActiveRecord::Migration[4.2]
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2016-10-15 05:59:07 +03:00
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def up
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execute PARTICIPANTS_SQL
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end
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def down
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execute 'DROP VIEW "participants"'
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end
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end
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