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I want to update one file to a Blob fileld in mysql table, and I tried this way
String sqlUpdateXSLT = "UPDATE mailer_details.auto_mailer_2 set xslt=? where auto_mailer_name='" + mailerName + "'";
            PreparedStatement stmt = con.prepareStatement(sqlUpdateXSLT);
            FileInputStream fis = new FileInputStream(mFile);
            stmt.setBlob(1, fis, (int) mFile.length());
            int ra = stmt.executeUpdate(sqlUpdateXSLT);
but I got an exception such as:
com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '? where auto_mailer_name='atm4'' at line 1
What is problem this?
I performed insert operation similar way, and there were no problem.
Posted 25-Mar-13 5:03am
Edited 25-Mar-13 5:14am
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Solution 1

See[^], the value in your SET clause does not appear correct.
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Solution 2

int ra = stmt.executeUpdate();
int ra = stmt.executeUpdate(sqlUpdateXSLT);

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