29 lines
1.1 KiB
Ruby
29 lines
1.1 KiB
Ruby
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# frozen_string_literal: true
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class TruncateSbomOccurrences < Gitlab::Database::Migration[2.1]
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def up
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# Because existing data in the table violates the new
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# uniqueness constraints, we need to remove the non-distinct rows.
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# Rather than do an expensive and error-prone batch migration
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# to find and remove the duplicates, we'll just remove all records
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# from the table.
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#
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# The `cyclonedx_sbom_ingestion` feature flag should
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# be OFF in all environments to avoid having more duplicate records
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# added between this migration and the one where the new unqiue index
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# is added.
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# TRUNCATE is a DDL statement (it drops the table and re-creates it), so we want to run the
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# migration in DDL mode, but we also don't want to execute it against all schemas because
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# it's considered a write operation. So, we'll manually check and skip the migration if
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# it's on not `:gitlab_main`.
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return unless Gitlab::Database.gitlab_schemas_for_connection(connection).include?(:gitlab_main)
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execute('TRUNCATE sbom_occurrences')
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end
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def down
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# no-op
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end
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end
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