28 lines
728 B
Ruby
28 lines
728 B
Ruby
# frozen_string_literal: true
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class AddFunctionForInsertingDeletedRecords < ActiveRecord::Migration[6.1]
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include Gitlab::Database::MigrationHelpers
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include Gitlab::Database::MigrationHelpers::LooseForeignKeyHelpers
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def up
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execute(<<~SQL)
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CREATE OR REPLACE FUNCTION #{DELETED_RECORDS_INSERT_FUNCTION_NAME}()
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RETURNS TRIGGER AS
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$$
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BEGIN
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INSERT INTO loose_foreign_keys_deleted_records
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(deleted_table_name, deleted_table_primary_key_value)
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SELECT TG_TABLE_NAME, old_table.id FROM old_table
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ON CONFLICT DO NOTHING;
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RETURN NULL;
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END
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$$ LANGUAGE PLPGSQL
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SQL
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end
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def down
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drop_function(DELETED_RECORDS_INSERT_FUNCTION_NAME)
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end
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end
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