54 lines
2.1 KiB
Ruby
54 lines
2.1 KiB
Ruby
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# frozen_string_literal: true
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class UpdateStartDateForIterationsCadences < Gitlab::Database::Migration[2.0]
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include ::Gitlab::Database::DynamicModelHelpers
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restrict_gitlab_migration gitlab_schema: :gitlab_main
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disable_ddl_transaction!
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def up
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each_batch_range('iterations_cadences', connection: connection) do |min, max|
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execute(<<~SQL)
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UPDATE iterations_cadences
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SET start_date=ic.first_upcoming_iteration_start_date
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FROM (
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SELECT ic.id, sprints2.first_upcoming_iteration_start_date
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FROM iterations_cadences as ic,
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LATERAL (
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-- For each cadence, query for the due date of its current iteration
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SELECT due_date as current_iteration_due_date FROM sprints
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WHERE iterations_cadence_id=ic.id AND start_date <= current_date AND due_date >= current_date
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LIMIT 1
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) as sprints1,
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LATERAL (
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-- For each cadence, query for the start date of the first upcoming iteration (i.e, it starts after the current iteration)
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SELECT start_date as first_upcoming_iteration_start_date FROM sprints
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WHERE iterations_cadence_id=ic.id AND start_date > sprints1.current_iteration_due_date
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ORDER BY start_date ASC LIMIT 1
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) as sprints2
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WHERE ic.automatic=true AND ic.id BETWEEN #{min} AND #{max}
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) as ic
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WHERE iterations_cadences.id=ic.id;
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SQL
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end
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end
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def down
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each_batch_range('iterations_cadences', connection: connection) do |min, max|
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execute(<<~SQL)
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UPDATE iterations_cadences
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SET start_date=ic.first_iteration_start_date
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FROM (
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SELECT ic.id, sprints.start_date as first_iteration_start_date
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FROM iterations_cadences as ic,
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LATERAL (
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SELECT start_date FROM sprints WHERE iterations_cadence_id=ic.id ORDER BY start_date ASC LIMIT 1
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) as sprints
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WHERE ic.automatic=true AND ic.id BETWEEN #{min} AND #{max}
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) as ic
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WHERE iterations_cadences.id=ic.id;
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SQL
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end
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end
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end
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