root / tags / v1_1_Build_1007 / extensions / extJDBC / src / com / iver / cit / gvsig / fmap / drivers / jdbc / mysql / testMySQL.java @ 12478
History | View | Annotate | Download (6.2 KB)
1 |
/*
|
---|---|
2 |
* Created on 03-mar-2005
|
3 |
*
|
4 |
* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
5 |
*
|
6 |
* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
|
7 |
*
|
8 |
* This program is free software; you can redistribute it and/or
|
9 |
* modify it under the terms of the GNU General Public License
|
10 |
* as published by the Free Software Foundation; either version 2
|
11 |
* of the License, or (at your option) any later version.
|
12 |
*
|
13 |
* This program is distributed in the hope that it will be useful,
|
14 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
15 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
16 |
* GNU General Public License for more details.
|
17 |
*
|
18 |
* You should have received a copy of the GNU General Public License
|
19 |
* along with this program; if not, write to the Free Software
|
20 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
21 |
*
|
22 |
* For more information, contact:
|
23 |
*
|
24 |
* Generalitat Valenciana
|
25 |
* Conselleria d'Infraestructures i Transport
|
26 |
* Av. Blasco Ib??ez, 50
|
27 |
* 46010 VALENCIA
|
28 |
* SPAIN
|
29 |
*
|
30 |
* +34 963862235
|
31 |
* gvsig@gva.es
|
32 |
* www.gvsig.gva.es
|
33 |
*
|
34 |
* or
|
35 |
*
|
36 |
* IVER T.I. S.A
|
37 |
* Salamanca 50
|
38 |
* 46005 Valencia
|
39 |
* Spain
|
40 |
*
|
41 |
* +34 963163400
|
42 |
* dac@iver.es
|
43 |
*/
|
44 |
|
45 |
/* CVS MESSAGES:
|
46 |
*
|
47 |
* $Id: testMySQL.java 12478 2007-07-05 08:28:17Z $
|
48 |
* $Log$
|
49 |
* Revision 1.6 2006-07-31 06:47:19 jaume
|
50 |
* arregla algunos bugs
|
51 |
*
|
52 |
* Revision 1.5 2005/12/15 16:44:35 fjp
|
53 |
* Falsa modificaci?n. Solo para pruebas
|
54 |
*
|
55 |
* Revision 1.4 2005/12/15 16:43:47 fjp
|
56 |
* Segunda prueba con las variables del CVS
|
57 |
*
|
58 |
*/
|
59 |
package com.iver.cit.gvsig.fmap.drivers.jdbc.mysql; |
60 |
|
61 |
import java.sql.DriverManager; |
62 |
import java.sql.ResultSet; |
63 |
import java.sql.Statement; |
64 |
import java.util.Enumeration; |
65 |
|
66 |
import com.iver.cit.gvsig.fmap.drivers.WKTParser; |
67 |
|
68 |
|
69 |
|
70 |
/**
|
71 |
* @author FJP
|
72 |
*
|
73 |
* TODO To change the template for this generated type comment go to
|
74 |
* Window - Preferences - Java - Code Generation - Code and Comments
|
75 |
*/
|
76 |
public class testMySQL { |
77 |
|
78 |
public static void main(String[] args) |
79 |
{ |
80 |
/* System.err.println("dburl has the following format:");
|
81 |
System.err.println("jdbc:postgresql://HOST:PORT/DATABASENAME");
|
82 |
System.err.println("tablename is 'jdbc_test' by default.");
|
83 |
System.exit(1); */
|
84 |
|
85 |
|
86 |
// Tarda casi 28 segundos en recuperar el tema de provincias!!
|
87 |
String dburl = "jdbc:mysql://localhost/test"; |
88 |
String dbuser = "root"; |
89 |
String dbpass = "aquilina"; |
90 |
|
91 |
String dbtable = "vias"; |
92 |
|
93 |
java.sql.Connection conn; |
94 |
try
|
95 |
{ |
96 |
System.out.println("Creating JDBC connection..."); |
97 |
Class.forName("com.mysql.jdbc.Driver"); |
98 |
Enumeration enumDrivers = DriverManager.getDrivers(); |
99 |
while (enumDrivers.hasMoreElements())
|
100 |
{ |
101 |
System.out.println("Driver " + enumDrivers.nextElement().toString()); |
102 |
} |
103 |
conn = DriverManager.getConnection(dburl, dbuser, dbpass);
|
104 |
// magic trickery to be pgjdbc 7.2 compatible
|
105 |
// This works due to the late binding of data types in most java VMs. As
|
106 |
// this is more a demo source than a real-world app, we can risk this
|
107 |
// problem.
|
108 |
/* if (conn.getClass().getName().equals("org.postgresql.jdbc2.Connection")) {
|
109 |
((org.postgresql.Connection) conn).addDataType("geometry", "org.postgis.PGgeometry");
|
110 |
((org.postgresql.Connection) conn).addDataType("box3d", "org.postgis.PGbox3d");
|
111 |
} else {
|
112 |
((org.postgresql.PGConnection) conn).addDataType("geometry", "org.postgis.PGgeometry");
|
113 |
((org.postgresql.PGConnection) conn).addDataType("box3d", "org.postgis.PGbox3d");
|
114 |
} */
|
115 |
System.out.println(conn.getMetaData().getURL());
|
116 |
System.out.println("Drivername = " + conn.getMetaData().getDriverName()); |
117 |
conn.setAutoCommit(false);
|
118 |
System.out.println(conn.getCatalog() + " " + conn.getClass().getName()); |
119 |
java.sql.Driver drv = DriverManager.getDriver(conn.getMetaData().getURL());
|
120 |
System.out.println(drv.getClass().getName());
|
121 |
/*
|
122 |
* Create a statement and execute a select query.
|
123 |
*/
|
124 |
// String strSQL = "select ogc_geom as geom from vias";
|
125 |
String strSQL = "select ASTEXT(ogc_geom) as geom from " + dbtable; |
126 |
/* String strSQL = "SELECT gid, rd_3, rd_5, rd_6, rd_10, rd_11, rd_12, rd_13, rd_14,";
|
127 |
strSQL = strSQL + " rd_15, rd_16, kilometers, cost, metros, AsText(force_2d(the_geom)) FROM vias";
|
128 |
strSQL = strSQL + " WHERE TRUE";
|
129 |
*/
|
130 |
// PreparedStatement s = conn.prepareStatement(strSQL);
|
131 |
long t1 = System.currentTimeMillis(); |
132 |
Statement s = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY); |
133 |
s.setFetchSize(2000);
|
134 |
ResultSet r = s.executeQuery(strSQL);
|
135 |
long t2 = System.currentTimeMillis(); |
136 |
|
137 |
System.out.println("Tiempo de consulta:" + (t2 - t1) + " milisegundos"); |
138 |
t1 = System.currentTimeMillis();
|
139 |
int cont = 0; |
140 |
WKTParser parser = new WKTParser();
|
141 |
while( r.next() )
|
142 |
{ |
143 |
/*
|
144 |
* Retrieve the geometry as an object then cast it to the geometry type.
|
145 |
* Print things out.
|
146 |
*/
|
147 |
// Object obj = r.getObject(1);
|
148 |
// InputStream inS = r.getAsciiStream(1);
|
149 |
String strAux = r.getString(1); |
150 |
// IGeometry geom = parser.read(strAux);
|
151 |
cont++; |
152 |
// int id = r.getInt(2);
|
153 |
// System.out.println("Row " + id + ":");
|
154 |
// Geometry regeom = PGgeometry.geomFromString(obj.toString());
|
155 |
// System.out.println(obj.toString());
|
156 |
|
157 |
// PGgeometry geom = (PGgeometry)obj;
|
158 |
/* int id = r.getInt(2);
|
159 |
System.out.println("Row " + id + ":");
|
160 |
System.out.println(geom.toString()); */
|
161 |
} |
162 |
s.close(); |
163 |
conn.close(); |
164 |
t2 = System.currentTimeMillis();
|
165 |
|
166 |
System.out.println("Tiempo de recorrido:" + (t2 - t1) + " milisegundos. " + cont + " registros."); |
167 |
|
168 |
} |
169 |
catch( Exception e ) |
170 |
{ |
171 |
e.printStackTrace(); |
172 |
} |
173 |
} |
174 |
} |