/TypeScript/If exists certain line in sql table java condition

If exists certain line in sql table java condition

public void ftpTableCheck(String host, String port, String username, String password) {
    try {
        String query = "SELECT (count(*) > 0) as found FROM ftp WHERE Host LIKE ? AND Username LIKE ?";
        PreparedStatement pst = conn.prepareStatement(query);
        pst.setString(1, host);
        pst.setString(2, username);

        try (ResultSet rs = pst.executeQuery()) {
            // Only expecting a single result
            if (rs.next()) {
                boolean found = rs.getBoolean(1); // "found" column
                if (found) {
                    // You have rows
                } else {
                    // You have no rows
                }
            }
        }
    } catch (SQLException e) {
        e.printStackTrace();
    }
}

Source: stackoverflow.com

Similar codes

4 votes151 views1 answer
React typescript scss
TypeScript
2 votes165 views3 answers
Mat dialog disable close
TypeScript
0 vote143 views1 answer
Mailbox exists c#
TypeScript
0 vote161 views1 answer
Listen to hub events asw analytics
TypeScript
4 votes162 views1 answer
Typescript string interpolation
TypeScript
2 votes211 views2 answers
Get documents path c#
TypeScript
0 vote152 views1 answer
Slice string into segments of 2 characters
TypeScript
1 vote146 views2 answers
Distance subplots matplotlib
TypeScript
8 votes157 views3 answers
Initialize all elements of vector to 0 c++
TypeScript
0 vote157 views1 answer
Function which calculates the number of tweets that were posted per day.
TypeScript