調用存儲過程我已經在postgres
數據庫錯誤而從Java
create or replace function reviseTax(revisiondate date, taxrate decimal) returns table(employeeid integer, month date, difference decimal) AS $$
declare
thisrow record;
newTaxAmt decimal;
differenceAmt decimal;
begin
for thisrow in select * from employee_salary where salarydate >= revisiondate loop
newTaxAmt = thisrow.income * $2;
differenceAmt = newTaxAmt - thisrow.tax;
update employee_salary es set tax = newTaxAmt where es.employeeid = thisrow.employeeid;
insert into taxrevision (employeeid , month , difference) values (thisrow.employeeid , thisrow.salarydate , differenceAmt);
end loop;
return query select * from taxrevision as something;
end $$ language plpgsql;
從數據庫中調用時能正常工作,寫了下面的存儲過程。 問題是,當我使用JDBC代碼與Java調用這個存儲過程
我的Java代碼如下
System.out.println("Enter the effective date(yyyy-mm-dd) for the tax revision");
dateString = scanner.next();
float newTaxRate = 0.3F;
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
df.setLenient(false);
java.util.Date utilDate = df.parse(dateString);
java.sql.Date sqlDate = new java.sql.Date(utilDate.getTime());
CallableStatement callable = DBConnection.prepareCall("{call revisetax(?,?)}");
callable.setDate(1,sqlDate);
callable.setFloat(2,newTaxRate);
callable.executeQuery();
DBConnection.commit();
我收到以下錯誤:
ERROR: function revisetax(unknown, real) does not exist
Hint: No function matches the given name and argument types. You might need to add explicit type casts.
Position: 14
我不能弄清楚爲什麼,請幫忙!
你必須使用'CallableStatement'。 – adatapost
不,請試試! – codeMan
親愛的jeebus,請告訴我這實際上並沒有在現實世界中進行財務計算。因爲如果它讓我知道什麼公司,所以我從不使用它們。對於任何想知道我指的是使用FLOATS – Woot4Moo