Function columnsEqual

backend/plugin/schema/differ.go:640–684

columnsEqual checks if two columns are equal.

(engine storepb.Engine, col1, col2 *storepb.ColumnMetadata)

// columnsEqual checks if two columns are equal.
func columnsEqual(engine storepb.Engine, col1, col2 *storepb.ColumnMetadata) bool {
	if col1.Type != col2.Type {
		return false
	}
	if col1.Nullable != col2.Nullable {
		return false
	}
	// Compare default values
	if !defaultValuesEqual(col1, col2) {
		return false
	}
	if col1.Comment != col2.Comment {
		return false
	}
	// Compare character set and collation
	if col1.CharacterSet != col2.CharacterSet {
		return false
	}
	if col1.Collation != col2.Collation {
		return false
	}
	// Compare on update clause
	if col1.OnUpdate != col2.OnUpdate {
		return false
	}
	// Compare Oracle specific metadata
	if col1.DefaultOnNull != col2.DefaultOnNull {
		return false
	}
	// Compare generated column metadata
	if !generationMetadataEqual(engine, col1.Generation, col2.Generation) {
		return false
	}
	// Compare identity column metadata
	if col1.IsIdentity != col2.IsIdentity {
		return false
	}
	if col1.IdentityGeneration != col2.IdentityGeneration {
		return false
	}
	if col1.IdentitySeed != col2.IdentitySeed {
		return false
	}
	return true
}

// defaultValuesEqual compares default values.
func defaultValuesEqual(col1, col2 *storepb.ColumnMetadata) bool {