public final int write(final String sql) {
final int count;
try {
final Statement stmt = getConnection().createStatement();
stmt.execute(sql);
count = stmt.getUpdateCount();
stmt.close();
} catch (SQLException e) {
throw new IllegalStateException(e);
}
return count;
}
public static void main(String args[]) throws IOException {
try {
Scanner in = args.length == 0 ? new Scanner(System.in) : new Scanner(Paths.get(args[0]));
try (Connection conn = getConnection()) {
Statement stat = conn.createStatement();
while (true) {
if (args.length == 0) System.out.println("Enter command or EXIT to exit:");
if (!in.hasNextLine()) return;
String line = in.nextLine();
if (line.equalsIgnoreCase("EXIT")) return;
if (line.trim().endsWith(";")) // remove trailing semicolon
{
line = line.trim();
line = line.substring(0, line.length() - 1);
}
try {
boolean isResult = stat.execute(line);
if (isResult) {
ResultSet rs = stat.getResultSet();
showResultSet(rs);
} else {
int updateCount = stat.getUpdateCount();
System.out.println(updateCount + " rows updated");
}
} catch (SQLException ex) {
for (Throwable e : ex) e.printStackTrace();
}
}
}
} catch (SQLException e) {
for (Throwable t : e) t.printStackTrace();
}
}
