У меня возникли проблемы с вставкой SQL-запроса в Java в виде строки.Когда я вставляю текст прямо в него, он не сохраняется как строка (не знаю почему, потому что в нем нет двойных кавычек), поэтому я попытался отформатировать его построчно, но затем я получаю исключение sql (и я знаю, что запрос работает),Кто-нибудь может определить, что вызывает у меня проблемы?Если нет, есть ли лучший способ я могу вставить код SQL?спасибо
public FratReport getFratReport() throws SQLException {
FratReport newfrat = new FratReport();
Statement stmt;
ResultSet results;
String myQuery;
myQuery = String.format("select m.nickname,"
+" case"
+" when stat_nrOfBookings/date_part('days', now()-stat_since)<0.035714 then 1"
+" when stat_nrOfBookings/date_part('days', now()-stat_since)<0.07142858 then 2"
+" when stat_nrOfBookings/date_part('days', now()-stat_since)<0.1785715 then 3"
+" when stat_nrOfBookings/date_part('days', now()-stat_since)<0.2857143 then 4"
+" else 5 end as freq,"
+" case"
+" when stat_sumPayments < 10000 then 1"
+" when stat_sumPayments < 100000 then 2"
+" when stat_sumPayments < 250000 then 3"
+" when stat_sumPayments < 500000 then 4"
+" else 5 end as am,"
+" case"
+" when count = null then 'weekday'"
+" when stat_nrOfBookings-count > count then 'weekday'"
+" else 'weekend' end as typ,"
+" case"
+" when max = null then 0"
+" when max<(now()-interval '4 weeks') then 1"
+" when max<(now()-interval '2 weeks') then 2"
+" when max<(now()-interval '1 week') then 3"
+" when max<(now()-interval '1 days') then 4"
+" else 5 end as rece"
+" from (member natural join memberstats) as m join"
+" (select rece.nickname, max, count from"
+" (select nickname , max(whenbooked) from member full join booking on member.memberNo = booking.madeBy group by member.nickname) as rece"
+" full join"
+" (select nickname, count from member full join (select nickname as nn, count(*) from (select nickname, to_char(whenbooked, 'D') from member left outer join booking on member.memberno = booking.madeBy) as days where to_char = '7' or to_char = '6' group by nickname) as c on member.nickname = c.nn) as daycount"
+" on rece.nickname = daycount.nickname)"
+" as n"
+" on m.nickname = n.nickname"
+" order by freq desc, rece desc, am desc, typ desc");
try {
stmt = conn.createStatement();
results = stmt.executeQuery(myQuery);
String newString;
while (results.next()) {
newString = results.getString("nickname") + " " +
Integer.toString(results.getInt("rec"))+ " " +
Integer.toString(results.getInt("am")) +" "+
results.getString("type");
newfrat.addLine(newString);
}
stmt.close();
results.close();
}
catch(SQLException e){System.out.println("yep");}
return newfrat;
}