Function normalizeLegacyMetadata

backend/plugin/schema/pg/legacy_normalize.go:40–55

normalizeLegacyMetadata mutates meta in place to match the canonical IndexMetadata.expressions contract. Idempotent and cheap on canonical input.

(meta *storepb.DatabaseSchemaMetadata)

// normalizeLegacyMetadata mutates meta in place to match the canonical
// IndexMetadata.expressions contract. Idempotent and cheap on canonical input.
func normalizeLegacyMetadata(meta *storepb.DatabaseSchemaMetadata) {
	if meta == nil {
		return
	}
	for _, s := range meta.GetSchemas() {
		for _, t := range s.GetTables() {
			canonicalizeIndexExpressions(t.GetIndexes())
			for _, p := range t.GetPartitions() {
				canonicalizePartitionIndexes(p)
			}
		}
		for _, mv := range s.GetMaterializedViews() {
			canonicalizeIndexExpressions(mv.GetIndexes())
		}
	}
}

func canonicalizePartitionIndexes(p *storepb.TablePartitionMetadata) {
	if p == nil {