docs: void checkColumnInCheckConstraint(int colIndex) {
  
          for (int i = 0, size = constraintList.length; i < size; i++) {
              Constraint c = constraintList[i];
  
              if (c.constType == Constraint.CHECK && !c.isNotNull()
                      && c.hasColumn(colIndex)) {
                  HsqlName name = c.getName();
  
                  throw Error.error(ErrorCode.X_42502,
                                    name.getSchemaQualifiedStatementName());
              }
          }
      }