text: --  @testpoint:opengauss关键字Asymmetric(保留)，作为存储过程名
  
  --关键字不带引号-合理报错
  create or replace procedure Asymmetric() is
  V1 BLOB;
  begin
    IF V1 is NULL then
    raise info 'V1 is NULL';
    else
    raise info 'V1 is not NULL';
    end if;
  end;
  /
  
  --关键字带双引号-成功
  create or replace procedure "Asymmetric"() is
  V1 BLOB;
  begin
    IF V1 is NULL then
    raise info 'V1 is NULL';
    else
    raise info 'V1 is not NULL';
    end if;
  end;
  /
  
  --清理环境
  drop procedure "Asymmetric";
  
  --关键字带单引号-合理报错
  create or replace procedure 'Asymmetric'() is
  V1 BLOB;
  begin
    IF V1 is NULL then
    raise info 'V1 is NULL';
    else
    raise info 'V1 is not NULL';
    end if;
  end;
  /
  
  --关键字带反引号-合理报错
  create or replace procedure `Asymmetric`() is
  V1 BLOB;
  begin
    IF V1 is NULL then
    raise info 'V1 is NULL';
    else
    raise info 'V1 is not NULL';
    end if;
  end;
  /
  