0.0.14-pre2 • Published 9 years ago
jdbc-sindicetech v0.0.14-pre2
node-jdbc
JDBC Wrapper for node.js
Latest Version
0.0.13
Support for adding multiple JARs to the classpath has been added. Use the libs array as shown in the initialize section below. As of release 0.0.9, the minimum version of node.js has been increased to v0.10. If you need to use this with node.js v0.8, use version 0.0.8 of node-jdbc.
Please visit node-jdbc for information on installing with npm.
Status
Initialize
var jdbc = new ( require('jdbc') );
var config = {
libpath: __dirname + 'path/to/jdbc.jar',
libs: [__dirname + 'path/to/other/jars.jar'],
drivername: 'com.java.driverclass',
url: 'url/to/database',
// optionally
user: 'user',
password: 'secret',
};
jdbc.initialize(config, function(err, res) {
if (err) {
console.log(err);
}
});
Open Connection, Execute Queries, Close
var genericQueryHandler = function(err, results) {
if (err) {
console.log(err);
} else if (results) {
console.log(results);
}
jdbc.close(function(err) {
if(err) {
console.log(err);
} else {
console.log("Connection closed successfully!");
}
});
};
jdbc.open(function(err, conn) {
if (conn) {
// SELECT statements are called with executeQuery
jdbc.executeQuery("SELECT * FROM table", genericQueryHandler);
// Table modifying statements (UPDATE/INSERT/DELETE/etc) are called with executeUpdate
jdbc.executeUpdate("UPDATE table SET column = value", genericQueryHandler);
// Use non-generic callbacks to handle queries individually and/or to nest queries
jdbc.executeUpdate("INSERT INTO table VALUES (value)", function(err, results) {
if(results > some_arbitrary_value) {
jdbc.executeQuery("SELECT * FROM table where column = value", genericQueryHandler);
}
});
}
});
API
initialize(config, callback)
- see above example for config object
- callback(error)
open(callback)
- opens a new connection
- callback(error)
close(callback)
- closes any existing connection
- callback(error)
executeQuery(sql, callback)
- SELECT commands.
- callback(error, rset)
executeUpdate(sql, callback)
- table modifying commands (INSERT, UPDATE, DELETE, etc).
- callback(error, num_rows) where @num_rows is the number of rows modified
0.0.14-pre2
9 years ago
0.0.14-pre
9 years ago