I try to insert into table with sequence .nextval as primary key, the sql in Java is
sql = "INSERT INTO USER
(USER_PK, ACCOUNTNUMBER, FIRSTNAME, LASTNAME, EMAIL )
VALUES
(?,?,?,?,?)";
ps = conn.prepareStatement(sql);
ps.setString(1, "User.nextval");
ps.setString(2, accountNumber);
ps.setString(3, firstName);
ps.setString(4, lastName);
ps.setString(5, email);
However, the error is ORA-01722: invalid number
All the other fields are correct, I think it is the problem of sequence, is this correct?
The problem is that the first column is a numeric data type, but your prepared statement is submitting a string/VARCHAR data type. The statement is run as-is, there's no opportunity for Oracle to convert your use of nextval to get the sequence value.
Here's an alternative via Java's PreparedStatement syntax:
sql = "INSERT INTO USER
(USER_PK, ACCOUNTNUMBER, FIRSTNAME, LASTNAME, EMAIL )
VALUES
(user.nextval, ?, ?, ?, ?)";
ps = conn.prepareStatement(sql);
ps.setString(1, accountNumber);
ps.setString(2, firstName);
ps.setString(3, lastName);
ps.setString(4, email);
This assumes that user
is an existing sequence -- change to suit.
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