23 lines
856 B
Ruby
23 lines
856 B
Ruby
# See http://doc.gitlab.com/ce/development/migration_style_guide.html
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# for more information on how to write migrations for GitLab.
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class OptimizeCiJobArtifacts < ActiveRecord::Migration[4.2]
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include Gitlab::Database::MigrationHelpers
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# Set this constant to true if this migration requires downtime.
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DOWNTIME = false
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disable_ddl_transaction!
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def up
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# job_id is just here to be a covering index for index only scans
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# since we'll almost always be joining against ci_builds on job_id
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add_concurrent_index(:ci_job_artifacts, [:expire_at, :job_id])
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add_concurrent_index(:ci_builds, [:artifacts_expire_at], where: "artifacts_file <> ''")
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end
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def down
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remove_concurrent_index(:ci_job_artifacts, [:expire_at, :job_id])
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remove_concurrent_index(:ci_builds, [:artifacts_expire_at], where: "artifacts_file <> ''")
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end
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end
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