daoas/fulddaekning/Database.java

package dk.daoas.fulddaekning;

import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
import java.util.Queue;
import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.logging.Logger;


public class Database { 
        Logger logger = Logger.getLogger(Database.class.getName());

        int batchCount = 0;

        Connection conn;
        PreparedStatement saveStmt;

        public Database(SafeProperties conf)  throws SQLException,IOException {
                this.conn = getConnection( conf );      

                String sql = "INSERT INTO fulddaekning.afstand_anden_rute_ny (orgId,orgPostnr, orgAdresse,orgGadeid,orgHusnr,orgHusnrBogstav,orgLatitude,orgLongitude,orgRute,id,postnr,adresse,gadeid,husnr,husnrbogstav,latitude,longitude,rute,afstand,`timestamp`) "+
                                "VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?, now() )";

                saveStmt = conn.prepareStatement(sql);          

        }

        public void resetResultTable() throws SQLException {
                logger.info("Dropping old result table (if exists)");
                String sql = "DROP TABLE IF EXISTS fulddaekning.afstand_anden_rute_ny";
                conn.createStatement().executeUpdate(sql);
                
                logger.info("Create new result table");
                sql = "CREATE TABLE fulddaekning.afstand_anden_rute_ny LIKE fulddaekning.afstand_anden_rute";
                conn.createStatement().executeUpdate(sql);              
        }       
        
        public void renameResultTables() throws SQLException {
                Constants consts = Constants.getInstance();
                String ext = consts.getTableExtension();
                
                logger.info("Dropping old backup table (if exists)");
                String sql = "DROP TABLE IF EXISTS fulddaekning.afstand_anden_rute_old" + ext;
                conn.createStatement().executeUpdate(sql);
                
                logger.info("Rename tables");
                sql = "RENAME TABLE fulddaekning.afstand_anden_rute" + ext + " TO fulddaekning.afstand_anden_rute_old" + ext + ", fulddaekning.afstand_anden_rute_ny TO fulddaekning.afstand_anden_rute" + ext;
                conn.createStatement().executeUpdate(sql);              
        }       

        public BoundingBox getBoundingbox(int postnr) throws SQLException {

                String sql = 
                                "SELECT max(latitude) latmax, min(latitude) latmin, max(longitude) lngmax,min(longitude) lngmin  " + 
                                "FROM fulddaekning.adressetabel WHERE postnr=? and rute is null;";

                PreparedStatement stmt = conn.prepareStatement(sql);
                stmt.setInt(1, postnr);

                ResultSet res = stmt.executeQuery();
                res.next(); //query returnerer altid 1 række

                BoundingBox bbox = new BoundingBox();
                bbox.latitudeMax = res.getDouble("latmax");
                bbox.latitudeMin = res.getDouble("latmin");
                bbox.longitudeMax = res.getDouble("lngmax");
                bbox.longitudeMin = res.getDouble("lngmin");

                res.close();
                stmt.close();

                return bbox;
        }

        public Queue<Adresse> hentIkkedaekkedeAdresser(int postnr)  throws SQLException {
                ConcurrentLinkedQueue<Adresse> queue = new ConcurrentLinkedQueue<Adresse>();

                String sql = "SELECT id,postnr,adresse,gadeid,husnr,husnrbogstav,latitude,longitude,rute " + 
                                "FROM fulddaekning.adressetabel " +
                                "WHERE rute IS NULL " +  //Ingen dækning
                                "AND postnr=?  " +
                                "AND latitude IS NOT NULL " +
                                "AND longitude IS NOT NULL " +
                                "AND gadeid IS NOT NULL ";
                PreparedStatement stmt = conn.prepareStatement(sql);
                stmt.setInt(1, postnr);

                queue.addAll( hentAdresseListe( stmt ) );
                return queue;
        }

        public List<Integer> hentPostnumre() throws SQLException {
                ArrayList<Integer> list = new ArrayList<Integer>();
                
                Constants consts = Constants.getInstance();


                String sql = "SELECT postnr " + 
                                         "FROM fulddaekning.adressetabel " + 
                                         //"WHERE distributor = ? and rute is not null " +
                                         "WHERE postnr BETWEEN ? AND ? " +
                                         "GROUP BY postnr " + 
                                         "ORDER by postnr";
                PreparedStatement stmt = conn.prepareStatement(sql);
                //stmt.setString(1, Lookup.distributor );
                stmt.setInt(1, consts.getMinPostnr());
                stmt.setInt(2, consts.getMaxPostnr());
                ResultSet res = stmt.executeQuery();

                while (res.next()) {
                        int postnr = res.getInt("postnr");
                        list.add(postnr);
                }
                res.close();
                stmt.close();

                //list.add(8700);

                return list;
        }

        public Adresse[] hentDaekkedeAdresser( BoundingBox bbox) throws SQLException {
                String sql = "SELECT id,postnr,adresse,gadeid,husnr,husnrbogstav,latitude,longitude,rute " + 
                                "FROM fulddaekning.adressetabel " +
                                "WHERE rute IS NOT NULL " + 
                                "AND latitude BETWEEN ? AND ? " +
                                "AND longitude BETWEEN ? AND ? " +
                                "AND distributor = ? ";

                // Forward only + concur_read_only + fetchsize tvinger driver til at hente en række af gangen (bedre performance ved store result sets)
                // Se http://dev.mysql.com/doc/connector-j/en/connector-j-reference-implementation-notes.html 
                //PreparedStatement stmt = conn.prepareStatement(sql);
                PreparedStatement stmt = conn.prepareStatement(sql, java.sql.ResultSet.TYPE_FORWARD_ONLY, java.sql.ResultSet.CONCUR_READ_ONLY);
                stmt.setFetchSize(Integer.MIN_VALUE);

                stmt.setDouble(1, bbox.latitudeMin);
                stmt.setDouble(2, bbox.latitudeMax);
                stmt.setDouble(3, bbox.longitudeMin);
                stmt.setDouble(4, bbox.longitudeMax);
                stmt.setString(5, Lookup.distributor);

                List<Adresse> list = hentAdresseListe( stmt );
                return list.toArray( new Adresse[ list.size() ] );
        }
        
        
        public Adresse[] hentAlleDaekkedeAdresser() throws SQLException {
                String sql = "SELECT id,postnr,adresse,gadeid,husnr,husnrbogstav,latitude,longitude,rute " + 
                                "FROM fulddaekning.adressetabel " +
                                "WHERE rute IS NOT NULL " + 
                                "AND latitude IS NOT NULL " +
                                "AND longitude IS NOT NULL " +
                                "AND distributor = ? ";

                // Forward only + concur_read_only + fetchsize tvinger driver til at hente en række af gangen (bedre performance ved store result sets)
                // Se http://dev.mysql.com/doc/connector-j/en/connector-j-reference-implementation-notes.html 
                //PreparedStatement stmt = conn.prepareStatement(sql);
                PreparedStatement stmt = conn.prepareStatement(sql, java.sql.ResultSet.TYPE_FORWARD_ONLY, java.sql.ResultSet.CONCUR_READ_ONLY);
                stmt.setFetchSize(Integer.MIN_VALUE);

                stmt.setString(1, Lookup.distributor);

                List<Adresse> list = hentAdresseListe( stmt );
                return list.toArray( new Adresse[ list.size() ] );
        }
        
        
        public synchronized void gemResultat(Adresse orgAdresse, Adresse bedsteAdresse, double bedsteAfstand) throws SQLException {
                /*String sql = "INSERT INTO fulddaekning.afstand_anden_rute_thn (orgId,orgPostnr, orgAdresse,orgGadeid,orgHusnr,orgHusnrBogstav,orgLatitude,orgLongitude,orgRute,id,postnr,adresse,gadeid,husnr,husnrbogstav,latitude,longitude,rute,afstand,`timestamp`) "+
                                "VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?, now() )";

                PreparedStatement saveStmt = conn.prepareStatement(sql);*/

                saveStmt.setInt(1, orgAdresse.id);
                saveStmt.setInt(2, orgAdresse.postnr);
                saveStmt.setString(3, orgAdresse.adresse);
                saveStmt.setInt(4, orgAdresse.gadeid);
                saveStmt.setInt(5, orgAdresse.husnr);
                saveStmt.setString(6, orgAdresse.husnrbogstav);
                saveStmt.setDouble(7, orgAdresse.latitude);
                saveStmt.setDouble(8, orgAdresse.longitude);
                saveStmt.setString(9, orgAdresse.rute);


                saveStmt.setInt(10, bedsteAdresse.id);
                saveStmt.setInt(11, bedsteAdresse.postnr);
                saveStmt.setString(12, bedsteAdresse.adresse);
                saveStmt.setInt(13, bedsteAdresse.gadeid);
                saveStmt.setInt(14, bedsteAdresse.husnr);
                saveStmt.setString(15, bedsteAdresse.husnrbogstav);
                saveStmt.setDouble(16, bedsteAdresse.latitude);
                saveStmt.setDouble(17, bedsteAdresse.longitude);
                saveStmt.setString(18, bedsteAdresse.rute);

                saveStmt.setDouble(19, bedsteAfstand);

                saveStmt.addBatch();
                batchCount++;
                if (batchCount >= 100) {
                        saveStmt.executeBatch();
                        batchCount = 0;
                }
                //saveStmt.executeUpdate();     
                //saveStmt.clearParameters();

                //saveStmt.close();     
        }
        
        public synchronized void saveBatch() throws SQLException{
                saveStmt.executeBatch();
                batchCount = 0;
        }


        protected ArrayList<Adresse> hentAdresseListe(PreparedStatement stmt) throws SQLException{
                ArrayList<Adresse> list = new ArrayList<Adresse>( 1000000 );

                //logger.info("Starting query");
                ResultSet res = stmt.executeQuery();
                //logger.info("Starting exec query done");

                while (res.next()) {
                        Adresse adr = new Adresse();
                        adr.id = res.getInt("id");
                        adr.postnr = res.getInt("postnr");
                        adr.adresse = res.getString("adresse");
                        adr.gadeid = res.getInt("gadeid");
                        adr.husnr = res.getInt("husnr");
                        adr.husnrbogstav = res.getString("husnrbogstav");
                        adr.latitude = res.getDouble("latitude");
                        adr.longitude = res.getDouble("longitude");
                        adr.rute = res.getString("rute");

                        list.add(adr);

                        //logger.info( "Adress:" + adr);
                }

                res.close();
                stmt.close();

                return list;
        }

        public Connection getConnection(SafeProperties conf) throws SQLException, IOException {
                
                String db_host = conf.getSafeProperty("DB_HOST");
                String db_user = conf.getSafeProperty("DB_USER");
                String db_pass = conf.getSafeProperty("DB_PASS");

                
            Connection conn = null;
            Properties connectionProps = new Properties();
            connectionProps.put("user", db_user);
            connectionProps.put("password", db_pass);

            //For debug output, tilføj denne til JDBC url'en: &profileSQL=true     
            conn = DriverManager.getConnection(
                           "jdbc:mysql://" +
                           db_host +
                           ":3306/?rewriteBatchedStatements=true",
                           connectionProps);
            logger.info("Connected to database");
            return conn;
        }

}
1	torben	2145	package dk.daoas.fulddaekning;
2
3	torben	2152	import java.io.IOException;
4	torben	2145	import java.sql.Connection;
5	torben	2152	import java.sql.DriverManager;
6	torben	2145	import java.sql.PreparedStatement;
7			import java.sql.ResultSet;
8			import java.sql.SQLException;
9			import java.util.ArrayList;
10			import java.util.List;
11	torben	2152	import java.util.Properties;
12	torben	2145	import java.util.Queue;
13			import java.util.concurrent.ConcurrentLinkedQueue;
14			import java.util.logging.Logger;
15
16
17	torben	2219
18	torben	2145	public class Database {
19			Logger logger = Logger.getLogger(Database.class.getName());
20	torben	2151
21	torben	2219	int batchCount = 0;
22	torben	2151
23	torben	2145	Connection conn;
24			PreparedStatement saveStmt;
25
26	torben	2157	public Database(SafeProperties conf) throws SQLException,IOException {
27	torben	2152	this.conn = getConnection( conf );
28	torben	2151
29	torben	2192	String sql = "INSERT INTO fulddaekning.afstand_anden_rute_ny (orgId,orgPostnr, orgAdresse,orgGadeid,orgHusnr,orgHusnrBogstav,orgLatitude,orgLongitude,orgRute,id,postnr,adresse,gadeid,husnr,husnrbogstav,latitude,longitude,rute,afstand,`timestamp`) "+
30	torben	2151	"VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?, now() )";
31	torben	2145
32	torben	2150	saveStmt = conn.prepareStatement(sql);
33	torben	2151
34	torben	2145	}
35	torben	2151
36			public void resetResultTable() throws SQLException {
37	torben	2192	logger.info("Dropping old result table (if exists)");
38			String sql = "DROP TABLE IF EXISTS fulddaekning.afstand_anden_rute_ny";
39	torben	2151	conn.createStatement().executeUpdate(sql);
40	torben	2192
41			logger.info("Create new result table");
42			sql = "CREATE TABLE fulddaekning.afstand_anden_rute_ny LIKE fulddaekning.afstand_anden_rute";
43			conn.createStatement().executeUpdate(sql);
44	torben	2151	}
45	torben	2192
46			public void renameResultTables() throws SQLException {
47	torben	2223	Constants consts = Constants.getInstance();
48			String ext = consts.getTableExtension();
49
50	torben	2192	logger.info("Dropping old backup table (if exists)");
51	torben	2223	String sql = "DROP TABLE IF EXISTS fulddaekning.afstand_anden_rute_old" + ext;
52	torben	2192	conn.createStatement().executeUpdate(sql);
53
54			logger.info("Rename tables");
55	torben	2224	sql = "RENAME TABLE fulddaekning.afstand_anden_rute" + ext + " TO fulddaekning.afstand_anden_rute_old" + ext + ", fulddaekning.afstand_anden_rute_ny TO fulddaekning.afstand_anden_rute" + ext;
56	torben	2192	conn.createStatement().executeUpdate(sql);
57			}
58	torben	2151
59	torben	2145	public BoundingBox getBoundingbox(int postnr) throws SQLException {
60	torben	2151
61	torben	2145	String sql =
62	torben	2200	"SELECT max(latitude) latmax, min(latitude) latmin, max(longitude) lngmax,min(longitude) lngmin " +
63			"FROM fulddaekning.adressetabel WHERE postnr=? and rute is null;";
64	torben	2151
65	torben	2145	PreparedStatement stmt = conn.prepareStatement(sql);
66			stmt.setInt(1, postnr);
67	torben	2151
68	torben	2145	ResultSet res = stmt.executeQuery();
69			res.next(); //query returnerer altid 1 række
70	torben	2151
71	torben	2145	BoundingBox bbox = new BoundingBox();
72			bbox.latitudeMax = res.getDouble("latmax");
73			bbox.latitudeMin = res.getDouble("latmin");
74			bbox.longitudeMax = res.getDouble("lngmax");
75			bbox.longitudeMin = res.getDouble("lngmin");
76	torben	2151
77	torben	2145	res.close();
78			stmt.close();
79	torben	2151
80	torben	2145	return bbox;
81			}
82	torben	2151
83	torben	2145	public Queue<Adresse> hentIkkedaekkedeAdresser(int postnr) throws SQLException {
84			ConcurrentLinkedQueue<Adresse> queue = new ConcurrentLinkedQueue<Adresse>();
85	torben	2151
86	torben	2200	String sql = "SELECT id,postnr,adresse,gadeid,husnr,husnrbogstav,latitude,longitude,rute " +
87			"FROM fulddaekning.adressetabel " +
88	torben	2145	"WHERE rute IS NULL " + //Ingen dækning
89			"AND postnr=? " +
90			"AND latitude IS NOT NULL " +
91			"AND longitude IS NOT NULL " +
92			"AND gadeid IS NOT NULL ";
93			PreparedStatement stmt = conn.prepareStatement(sql);
94			stmt.setInt(1, postnr);
95	torben	2151
96	torben	2145	queue.addAll( hentAdresseListe( stmt ) );
97			return queue;
98			}
99	torben	2151
100	torben	2145	public List<Integer> hentPostnumre() throws SQLException {
101			ArrayList<Integer> list = new ArrayList<Integer>();
102	torben	2203
103			Constants consts = Constants.getInstance();
104	torben	2151
105
106	torben	2200	String sql = "SELECT postnr " +
107			"FROM fulddaekning.adressetabel " +
108	torben	2203	//"WHERE distributor = ? and rute is not null " +
109			"WHERE postnr BETWEEN ? AND ? " +
110	torben	2200	"GROUP BY postnr " +
111			"ORDER by postnr";
112	torben	2145	PreparedStatement stmt = conn.prepareStatement(sql);
113	torben	2203	//stmt.setString(1, Lookup.distributor );
114			stmt.setInt(1, consts.getMinPostnr());
115			stmt.setInt(2, consts.getMaxPostnr());
116	torben	2145	ResultSet res = stmt.executeQuery();
117	torben	2151
118	torben	2145	while (res.next()) {
119			int postnr = res.getInt("postnr");
120			list.add(postnr);
121			}
122			res.close();
123			stmt.close();
124	torben	2151
125	torben	2145	//list.add(8700);
126	torben	2151
127	torben	2145	return list;
128			}
129	torben	2151
130	torben	2207	public Adresse[] hentDaekkedeAdresser( BoundingBox bbox) throws SQLException {
131	torben	2200	String sql = "SELECT id,postnr,adresse,gadeid,husnr,husnrbogstav,latitude,longitude,rute " +
132			"FROM fulddaekning.adressetabel " +
133	torben	2145	"WHERE rute IS NOT NULL " +
134			"AND latitude BETWEEN ? AND ? " +
135			"AND longitude BETWEEN ? AND ? " +
136	torben	2200	"AND distributor = ? ";
137	torben	2151
138	torben	2145	// Forward only + concur_read_only + fetchsize tvinger driver til at hente en række af gangen (bedre performance ved store result sets)
139			// Se http://dev.mysql.com/doc/connector-j/en/connector-j-reference-implementation-notes.html
140			//PreparedStatement stmt = conn.prepareStatement(sql);
141			PreparedStatement stmt = conn.prepareStatement(sql, java.sql.ResultSet.TYPE_FORWARD_ONLY, java.sql.ResultSet.CONCUR_READ_ONLY);
142			stmt.setFetchSize(Integer.MIN_VALUE);
143	torben	2151
144	torben	2145	stmt.setDouble(1, bbox.latitudeMin);
145			stmt.setDouble(2, bbox.latitudeMax);
146			stmt.setDouble(3, bbox.longitudeMin);
147			stmt.setDouble(4, bbox.longitudeMax);
148	torben	2200	stmt.setString(5, Lookup.distributor);
149	torben	2151
150	torben	2207	List<Adresse> list = hentAdresseListe( stmt );
151			return list.toArray( new Adresse[ list.size() ] );
152	torben	2225	}
153
154
155			public Adresse[] hentAlleDaekkedeAdresser() throws SQLException {
156			String sql = "SELECT id,postnr,adresse,gadeid,husnr,husnrbogstav,latitude,longitude,rute " +
157			"FROM fulddaekning.adressetabel " +
158			"WHERE rute IS NOT NULL " +
159	torben	2228	"AND latitude IS NOT NULL " +
160	torben	2225	"AND longitude IS NOT NULL " +
161			"AND distributor = ? ";
162	torben	2151
163	torben	2225	// Forward only + concur_read_only + fetchsize tvinger driver til at hente en række af gangen (bedre performance ved store result sets)
164			// Se http://dev.mysql.com/doc/connector-j/en/connector-j-reference-implementation-notes.html
165			//PreparedStatement stmt = conn.prepareStatement(sql);
166			PreparedStatement stmt = conn.prepareStatement(sql, java.sql.ResultSet.TYPE_FORWARD_ONLY, java.sql.ResultSet.CONCUR_READ_ONLY);
167			stmt.setFetchSize(Integer.MIN_VALUE);
168
169			stmt.setString(1, Lookup.distributor);
170
171			List<Adresse> list = hentAdresseListe( stmt );
172			return list.toArray( new Adresse[ list.size() ] );
173	torben	2145	}
174	torben	2225
175
176	torben	2145
177			public synchronized void gemResultat(Adresse orgAdresse, Adresse bedsteAdresse, double bedsteAfstand) throws SQLException {
178			/*String sql = "INSERT INTO fulddaekning.afstand_anden_rute_thn (orgId,orgPostnr, orgAdresse,orgGadeid,orgHusnr,orgHusnrBogstav,orgLatitude,orgLongitude,orgRute,id,postnr,adresse,gadeid,husnr,husnrbogstav,latitude,longitude,rute,afstand,`timestamp`) "+
179			"VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?, now() )";
180	torben	2151
181	torben	2145	PreparedStatement saveStmt = conn.prepareStatement(sql);*/
182	torben	2151
183	torben	2145	saveStmt.setInt(1, orgAdresse.id);
184			saveStmt.setInt(2, orgAdresse.postnr);
185			saveStmt.setString(3, orgAdresse.adresse);
186			saveStmt.setInt(4, orgAdresse.gadeid);
187			saveStmt.setInt(5, orgAdresse.husnr);
188			saveStmt.setString(6, orgAdresse.husnrbogstav);
189			saveStmt.setDouble(7, orgAdresse.latitude);
190			saveStmt.setDouble(8, orgAdresse.longitude);
191			saveStmt.setString(9, orgAdresse.rute);
192	torben	2151
193
194	torben	2145	saveStmt.setInt(10, bedsteAdresse.id);
195			saveStmt.setInt(11, bedsteAdresse.postnr);
196			saveStmt.setString(12, bedsteAdresse.adresse);
197			saveStmt.setInt(13, bedsteAdresse.gadeid);
198			saveStmt.setInt(14, bedsteAdresse.husnr);
199			saveStmt.setString(15, bedsteAdresse.husnrbogstav);
200			saveStmt.setDouble(16, bedsteAdresse.latitude);
201			saveStmt.setDouble(17, bedsteAdresse.longitude);
202			saveStmt.setString(18, bedsteAdresse.rute);
203	torben	2151
204	torben	2145	saveStmt.setDouble(19, bedsteAfstand);
205	torben	2151
206	torben	2219	saveStmt.addBatch();
207			batchCount++;
208			if (batchCount >= 100) {
209			saveStmt.executeBatch();
210			batchCount = 0;
211			}
212			//saveStmt.executeUpdate();
213			//saveStmt.clearParameters();
214	torben	2151
215	torben	2145	//saveStmt.close();
216			}
217	torben	2219
218			public synchronized void saveBatch() throws SQLException{
219			saveStmt.executeBatch();
220			batchCount = 0;
221			}
222	torben	2151
223
224
225	torben	2145	protected ArrayList<Adresse> hentAdresseListe(PreparedStatement stmt) throws SQLException{
226	torben	2210	ArrayList<Adresse> list = new ArrayList<Adresse>( 1000000 );
227	torben	2151
228	torben	2145	//logger.info("Starting query");
229			ResultSet res = stmt.executeQuery();
230			//logger.info("Starting exec query done");
231	torben	2151
232	torben	2145	while (res.next()) {
233			Adresse adr = new Adresse();
234			adr.id = res.getInt("id");
235			adr.postnr = res.getInt("postnr");
236			adr.adresse = res.getString("adresse");
237			adr.gadeid = res.getInt("gadeid");
238			adr.husnr = res.getInt("husnr");
239			adr.husnrbogstav = res.getString("husnrbogstav");
240			adr.latitude = res.getDouble("latitude");
241			adr.longitude = res.getDouble("longitude");
242			adr.rute = res.getString("rute");
243	torben	2151
244	torben	2145	list.add(adr);
245	torben	2151
246	torben	2145	//logger.info( "Adress:" + adr);
247			}
248	torben	2151
249	torben	2145	res.close();
250			stmt.close();
251	torben	2151
252	torben	2145	return list;
253			}
254
255	torben	2157	public Connection getConnection(SafeProperties conf) throws SQLException, IOException {
256	torben	2152
257	torben	2157	String db_host = conf.getSafeProperty("DB_HOST");
258			String db_user = conf.getSafeProperty("DB_USER");
259			String db_pass = conf.getSafeProperty("DB_PASS");
260	torben	2145
261	torben	2152
262
263	torben	2151
264	torben	2152	Connection conn = null;
265			Properties connectionProps = new Properties();
266			connectionProps.put("user", db_user);
267			connectionProps.put("password", db_pass);
268
269	torben	2220	//For debug output, tilføj denne til JDBC url'en: &profileSQL=true
270	torben	2152	conn = DriverManager.getConnection(
271			"jdbc:mysql://" +
272			db_host +
273	torben	2218	":3306/?rewriteBatchedStatements=true",
274	torben	2152	connectionProps);
275			logger.info("Connected to database");
276			return conn;
277			}
278
279	torben	2145	}