Function writeSchemaRules

backend/plugin/schema/pg/get_database_definition.go:1667–1690

writeSchemaRules writes the rules of every table and the non-SELECT rules of every view in the schema (SELECT rules are part of the view definition). Rules on tables without column metadata are skipped; their definitions can reference the missing columns.

(out io.Writer, schema *storepb.SchemaMetadata)

// definition). Rules on tables without column metadata are skipped; their
// definitions can reference the missing columns.
func writeSchemaRules(out io.Writer, schema *storepb.SchemaMetadata) error {
	for _, table := range schema.Tables {
		if len(table.Rules) > 0 && !tableMissingColumnMetadata(table) {
			if err := writeRules(out, schema.Name, table.Name, table.Rules); err != nil {
				return err
			}
		}
	}

	for _, view := range schema.Views {
		var nonSelectRules []*storepb.RuleMetadata
		for _, rule := range view.Rules {
			if rule.Event != "SELECT" {
				nonSelectRules = append(nonSelectRules, rule)
			}
		}
		if len(nonSelectRules) > 0 {
			if err := writeRules(out, schema.Name, view.Name, nonSelectRules); err != nil {
				return err
			}
		}
	}
	return nil
}

// writeSchemaForeignKeys writes the foreign keys of every table in the
// schema, skipping foreign keys touching a table without column metadata on