/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

0 vote157 views1 answer
Interface extending mongoose document object does not contain _doc object typescript
TypeScript
0 vote157 views1 answer
Check if an element exists laravel
TypeScript
0 vote147 views1 answer
Google sheets replace dot with comma
TypeScript
0 vote161 views1 answer
Test if parameter supports null reflection
TypeScript
0 vote144 views1 answer
How to get constraint name in oracle
TypeScript
7 votes153 views5 answers
Reactnative typescript
TypeScript
2 votes134 views2 answers
Lua operators
TypeScript
0 vote153 views1 answer
React inherit html input props
TypeScript
0 vote151 views1 answer
Laravel middleware for apis
TypeScript
2 votes146 views2 answers
File_get_contents follow redirect
TypeScript