40 lines
1.0 KiB
Ruby
40 lines
1.0 KiB
Ruby
# frozen_string_literal: true
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class RebuildIndexForCadenceIterationsAutomation < ActiveRecord::Migration[6.0]
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include Gitlab::Database::MigrationHelpers
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INDEX_NAME = 'cadence_create_iterations_automation'
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disable_ddl_transaction!
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def up
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return if index_exists_and_is_valid?
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remove_concurrent_index_by_name :iterations_cadences, INDEX_NAME
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disable_statement_timeout do
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execute(
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<<-SQL
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CREATE INDEX CONCURRENTLY #{INDEX_NAME} ON iterations_cadences
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USING BTREE(automatic, duration_in_weeks, (DATE ((COALESCE("iterations_cadences"."last_run_date", DATE('01-01-1970')) + "iterations_cadences"."duration_in_weeks" * INTERVAL '1 week'))))
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WHERE duration_in_weeks IS NOT NULL
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SQL
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)
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end
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end
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def down
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remove_concurrent_index_by_name :iterations_cadences, INDEX_NAME
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end
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def index_exists_and_is_valid?
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execute(
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<<-SQL
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SELECT identifier
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FROM postgres_indexes
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WHERE identifier LIKE '%#{INDEX_NAME}' AND valid_index=TRUE
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SQL
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).any?
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end
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end
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