docs: public HsqlName getSchemaHsqlNameNoThrow(String name, HsqlName defaultName) {
  
          if (name == null) {
              return defaultSchemaHsqlName;
          }
  
          if (SqlInvariants.INFORMATION_SCHEMA.equals(name)) {
              return SqlInvariants.INFORMATION_SCHEMA_HSQLNAME;
          }
  
          Schema schema = ((Schema) schemaMap.get(name));
  
          if (schema == null) {
              return defaultName;
          }
          return schema.name;
      }