root / trunk / extensions / extJDBC / src / com / iver / cit / gvsig / fmap / drivers / jdbc / postgis / PostGisDriver.java @ 38040
History | View | Annotate | Download (47.9 KB)
1 |
/*
|
---|---|
2 |
* Created on 04-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 |
package com.iver.cit.gvsig.fmap.drivers.jdbc.postgis; |
45 |
|
46 |
import java.awt.geom.Rectangle2D; |
47 |
import java.math.BigDecimal; |
48 |
import java.math.BigInteger; |
49 |
import java.nio.ByteBuffer; |
50 |
import java.sql.Connection; |
51 |
import java.sql.PreparedStatement; |
52 |
import java.sql.ResultSet; |
53 |
import java.sql.ResultSetMetaData; |
54 |
import java.sql.SQLException; |
55 |
import java.sql.Statement; |
56 |
import java.sql.Timestamp; |
57 |
import java.sql.Types; |
58 |
import java.util.ArrayList; |
59 |
import java.util.Calendar; |
60 |
import java.util.GregorianCalendar; |
61 |
import java.util.HashMap; |
62 |
import java.util.Hashtable; |
63 |
import java.util.Map; |
64 |
import java.util.Random; |
65 |
|
66 |
import org.apache.log4j.Logger; |
67 |
import org.joda.time.DateTime; |
68 |
import org.postgis.PGbox2d; |
69 |
import org.postgis.PGbox3d; |
70 |
import org.postgresql.util.PSQLException; |
71 |
import org.postgresql.util.PSQLState; |
72 |
|
73 |
import com.hardcode.gdbms.driver.exceptions.InitializeWriterException; |
74 |
import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
75 |
import com.hardcode.gdbms.engine.data.edition.DataWare; |
76 |
import com.hardcode.gdbms.engine.values.Value; |
77 |
import com.hardcode.gdbms.engine.values.ValueFactory; |
78 |
import com.iver.andami.PluginServices; |
79 |
import com.iver.cit.gvsig.fmap.core.FShape; |
80 |
import com.iver.cit.gvsig.fmap.core.ICanReproject; |
81 |
import com.iver.cit.gvsig.fmap.core.IGeometry; |
82 |
import com.iver.cit.gvsig.fmap.drivers.ConnectionJDBC; |
83 |
import com.iver.cit.gvsig.fmap.drivers.DBException; |
84 |
import com.iver.cit.gvsig.fmap.drivers.DBLayerDefinition; |
85 |
import com.iver.cit.gvsig.fmap.drivers.DefaultJDBCDriver; |
86 |
import com.iver.cit.gvsig.fmap.drivers.DriverAttributes; |
87 |
import com.iver.cit.gvsig.fmap.drivers.FieldDescription; |
88 |
import com.iver.cit.gvsig.fmap.drivers.IConnection; |
89 |
import com.iver.cit.gvsig.fmap.drivers.IFeatureIterator; |
90 |
import com.iver.cit.gvsig.fmap.drivers.WKBParser3; |
91 |
import com.iver.cit.gvsig.fmap.drivers.XTypes; |
92 |
import com.iver.cit.gvsig.fmap.edition.IWriteable; |
93 |
import com.iver.cit.gvsig.fmap.edition.IWriter; |
94 |
|
95 |
/**
|
96 |
* @author FJP
|
97 |
*/
|
98 |
public class PostGisDriver extends DefaultJDBCDriver implements ICanReproject, |
99 |
IWriteable { |
100 |
|
101 |
|
102 |
private static Logger logger = Logger.getLogger(PostGisDriver.class |
103 |
.getName()); |
104 |
|
105 |
private static int FETCH_SIZE = 5000; |
106 |
|
107 |
// To avoid problems when using wkb_cursor with same layer.
|
108 |
// I mean, when you add twice or more the same layer using
|
109 |
// the same connection
|
110 |
|
111 |
private static int CURSOR_ID = 0; |
112 |
|
113 |
private int myCursorId; |
114 |
|
115 |
private PostGISWriter writer = new PostGISWriter(); |
116 |
|
117 |
private WKBParser3 parser = new WKBParser3(); |
118 |
|
119 |
private int fetch_min = -1; |
120 |
|
121 |
private int fetch_max = -1; |
122 |
|
123 |
private String sqlOrig; |
124 |
|
125 |
/**
|
126 |
* Used by setAbsolutePosition
|
127 |
*/
|
128 |
private String sqlTotal; |
129 |
|
130 |
private String strEPSG = null; |
131 |
|
132 |
private String originalEPSG = null; |
133 |
|
134 |
private Rectangle2D fullExtent = null; |
135 |
|
136 |
private String completeWhere; |
137 |
|
138 |
boolean bShapeTypeRevised = false; |
139 |
|
140 |
|
141 |
/**
|
142 |
* It stores all schemas privileges, in order to avoid checking it everytime
|
143 |
* canRead() is called.
|
144 |
*/
|
145 |
private Map<String, Boolean> schemasUsage = new HashMap<String, Boolean>(); |
146 |
|
147 |
private String cursorName; |
148 |
|
149 |
private static final BigInteger _nbase = new BigInteger("10000"); |
150 |
|
151 |
private static final BigInteger _nbasePow2 = _nbase.pow(2); |
152 |
|
153 |
private static final BigInteger _nbasePow4 = _nbase.pow(4); |
154 |
|
155 |
private static final long nbaseLong = _nbase.longValue(); |
156 |
|
157 |
private static final long nbaseLongPow2 = nbaseLong * nbaseLong; |
158 |
|
159 |
private static final int nbaseInt = (int) nbaseLong; |
160 |
|
161 |
public static final String NAME = "PostGIS JDBC Driver"; |
162 |
|
163 |
protected static BigInteger getNBase() { |
164 |
return _nbase;
|
165 |
} |
166 |
|
167 |
protected static BigInteger getNBasePow2() { |
168 |
return _nbasePow2;
|
169 |
} |
170 |
|
171 |
protected static BigInteger getNBasePow4() { |
172 |
return _nbasePow4;
|
173 |
} |
174 |
|
175 |
static {
|
176 |
try {
|
177 |
Class.forName("org.postgresql.Driver"); |
178 |
} catch (ClassNotFoundException e) { |
179 |
throw new RuntimeException(e); |
180 |
} |
181 |
} |
182 |
|
183 |
/**
|
184 |
*
|
185 |
*/
|
186 |
public PostGisDriver() {
|
187 |
// To avoid problems when using wkb_cursor with same layer.
|
188 |
// I mean, when you add twice or more the same layer using
|
189 |
// the same connection
|
190 |
CURSOR_ID++; |
191 |
myCursorId = CURSOR_ID; |
192 |
} |
193 |
|
194 |
/*
|
195 |
* (non-Javadoc)
|
196 |
*
|
197 |
* @see
|
198 |
* com.iver.cit.gvsig.fmap.drivers.VectorialDriver#getDriverAttributes()
|
199 |
*/
|
200 |
public DriverAttributes getDriverAttributes() {
|
201 |
return null; |
202 |
} |
203 |
|
204 |
/*
|
205 |
* (non-Javadoc)
|
206 |
*
|
207 |
* @see com.hardcode.driverManager.Driver#getName()
|
208 |
*/
|
209 |
public String getName() { |
210 |
return NAME;
|
211 |
} |
212 |
|
213 |
/**
|
214 |
* @throws ReadDriverException
|
215 |
* @see com.iver.cit.gvsig.fmap.layers.ReadableVectorial#getShape(int)
|
216 |
*/
|
217 |
public IGeometry getShape(int index) throws ReadDriverException { |
218 |
IGeometry geom = null;
|
219 |
try {
|
220 |
setAbsolutePosition(index); |
221 |
// strAux = rs.getString(1);
|
222 |
// geom = parser.read(strAux);
|
223 |
if (rs != null) { |
224 |
byte[] data = rs.getBytes(1); |
225 |
if (data == null) // null geometry. |
226 |
return null; |
227 |
geom = parser.parse(data); |
228 |
} |
229 |
} catch (SQLException e) { |
230 |
throw new ReadDriverException(this.getName(), e); |
231 |
} |
232 |
|
233 |
return geom;
|
234 |
} |
235 |
|
236 |
/**
|
237 |
* First, the geometry field. After, the rest of fields
|
238 |
*
|
239 |
* @return
|
240 |
*/
|
241 |
/*
|
242 |
* public String getTotalFields() { String strAux = "AsBinary(" +
|
243 |
* getLyrDef().getFieldGeometry() + ")"; String[] fieldNames =
|
244 |
* getLyrDef().getFieldNames(); for (int i=0; i< fieldNames.length; i++) {
|
245 |
* strAux = strAux + ", " + fieldNames[i]; } return strAux; }
|
246 |
*/
|
247 |
|
248 |
/**
|
249 |
* Antes de llamar a esta funci?n hay que haber fijado el workingArea si se
|
250 |
* quiere usar.
|
251 |
*
|
252 |
* @param conn
|
253 |
* @throws DBException
|
254 |
*/
|
255 |
public void setData(IConnection conn, DBLayerDefinition lyrDef) |
256 |
throws DBException {
|
257 |
this.conn = conn;
|
258 |
// TODO: Deber?amos poder quitar Conneciton de la llamada y meterlo
|
259 |
// en lyrDef desde el principio.
|
260 |
|
261 |
lyrDef.setConnection(conn); |
262 |
setLyrDef(lyrDef); |
263 |
|
264 |
getTableEPSG_and_shapeType(conn, lyrDef); |
265 |
|
266 |
getLyrDef().setSRID_EPSG(originalEPSG); |
267 |
|
268 |
try {
|
269 |
((ConnectionJDBC) conn).getConnection().setAutoCommit(false);
|
270 |
sqlOrig = "SELECT " + getTotalFields() + " FROM " |
271 |
+ getLyrDef().getComposedTableName() + " ";
|
272 |
|
273 |
if (canReproject(strEPSG)) {
|
274 |
completeWhere = getCompoundWhere(sqlOrig, workingArea, strEPSG); |
275 |
} else {
|
276 |
completeWhere = getCompoundWhere(sqlOrig, workingArea, |
277 |
originalEPSG); |
278 |
} |
279 |
|
280 |
sqlTotal = sqlOrig + completeWhere + " ORDER BY " + getLyrDef().getFieldID();
|
281 |
|
282 |
logger.info("Cadena SQL:" + sqlTotal);
|
283 |
Statement st = ((ConnectionJDBC) conn).getConnection().createStatement(
|
284 |
ResultSet.TYPE_SCROLL_INSENSITIVE,
|
285 |
ResultSet.CONCUR_READ_ONLY);
|
286 |
|
287 |
myCursorId++; |
288 |
cursorName = "wkb_cursor_" + myCursorId + getTableName();
|
289 |
|
290 |
st.execute("declare " + cursorName + " binary scroll cursor with hold for " + sqlTotal); |
291 |
|
292 |
rs = st.executeQuery("fetch forward " + FETCH_SIZE + " in " + cursorName); |
293 |
fetch_min = 0;
|
294 |
fetch_max = FETCH_SIZE - 1;
|
295 |
metaData = rs.getMetaData(); |
296 |
doRelateID_FID(); |
297 |
|
298 |
writer.setCreateTable(false);
|
299 |
writer.setWriteAll(false);
|
300 |
writer.initialize(lyrDef); |
301 |
|
302 |
} catch (SQLException e) { |
303 |
|
304 |
try {
|
305 |
((ConnectionJDBC) conn).getConnection().rollback(); |
306 |
} catch (SQLException e1) { |
307 |
logger.warn("Unable to rollback connection after problem (" + e.getMessage() + ") in setData()"); |
308 |
} |
309 |
|
310 |
try {
|
311 |
if (rs != null) { rs.close(); } |
312 |
} catch (SQLException e1) { |
313 |
throw new DBException(e); |
314 |
} |
315 |
throw new DBException(e); |
316 |
} catch (InitializeWriterException e) {
|
317 |
throw new DBException(e); |
318 |
} |
319 |
} |
320 |
|
321 |
/**
|
322 |
* @see com.iver.cit.gvsig.fmap.layers.ReadableVectorial#getFullExtent()
|
323 |
*/
|
324 |
public Rectangle2D getFullExtent() throws ReadDriverException { |
325 |
if (fullExtent == null) { |
326 |
try {
|
327 |
Statement s = ((ConnectionJDBC) conn).getConnection()
|
328 |
.createStatement(); |
329 |
String query = "SELECT extent(\"" |
330 |
+ getLyrDef().getFieldGeometry() |
331 |
+ "\") AS FullExtent FROM " + getLyrDef().getComposedTableName()
|
332 |
+ " " + getCompleteWhere();
|
333 |
ResultSet r = s.executeQuery(query);
|
334 |
r.next(); |
335 |
String strAux = r.getString(1); |
336 |
System.out.println("fullExtent = " + strAux); |
337 |
if (strAux == null) { |
338 |
logger.debug("La capa " + getLyrDef().getName()
|
339 |
+ " no tiene FULLEXTENT");
|
340 |
return null; |
341 |
} |
342 |
if (strAux.startsWith("BOX3D")) { |
343 |
PGbox3d regeom = new PGbox3d(strAux);
|
344 |
double x = regeom.getLLB().x;
|
345 |
double y = regeom.getLLB().y;
|
346 |
double w = regeom.getURT().x - x;
|
347 |
double h = regeom.getURT().y - y;
|
348 |
fullExtent = new Rectangle2D.Double(x, y, w, h); |
349 |
} else {
|
350 |
PGbox2d regeom = new PGbox2d(strAux);
|
351 |
double x = regeom.getLLB().x;
|
352 |
double y = regeom.getLLB().y;
|
353 |
double w = regeom.getURT().x - x;
|
354 |
double h = regeom.getURT().y - y;
|
355 |
fullExtent = new Rectangle2D.Double(x, y, w, h); |
356 |
} |
357 |
} catch (SQLException e) { |
358 |
throw new ReadDriverException(this.getName(), e); |
359 |
} |
360 |
|
361 |
} |
362 |
|
363 |
return fullExtent;
|
364 |
} |
365 |
|
366 |
/*
|
367 |
* (non-Javadoc)
|
368 |
*
|
369 |
* @see
|
370 |
* com.iver.cit.gvsig.fmap.drivers.VectorialDatabaseDriver#getGeometryIterator
|
371 |
* (java.lang.String)
|
372 |
*/
|
373 |
public IFeatureIterator getFeatureIterator(String sql) |
374 |
throws ReadDriverException {
|
375 |
PostGisFeatureIterator geomIterator = null;
|
376 |
geomIterator = myGetFeatureIterator(sql); |
377 |
geomIterator.setLyrDef(getLyrDef()); |
378 |
|
379 |
return geomIterator;
|
380 |
} |
381 |
|
382 |
private PostGisFeatureIterator myGetFeatureIterator(String sql) |
383 |
throws ReadDriverException {
|
384 |
PostGisFeatureIterator geomIterator = null;
|
385 |
try {
|
386 |
String provCursorName = "wkb_cursor_prov_" |
387 |
+ Long.toString(Math.abs(new Random().nextLong())) |
388 |
+ getTableName(); |
389 |
bCursorActivo = true;
|
390 |
geomIterator = new PostGisFeatureIterator(
|
391 |
((ConnectionJDBC) conn).getConnection(), provCursorName, |
392 |
sql); |
393 |
} catch (SQLException e) { |
394 |
throw new ReadDriverException("PostGIS Driver", e); |
395 |
} |
396 |
return geomIterator;
|
397 |
} |
398 |
|
399 |
public IFeatureIterator getFeatureIterator(Rectangle2D r, String strEPSG) |
400 |
throws ReadDriverException {
|
401 |
if (workingArea != null) { |
402 |
r = r.createIntersection(workingArea); |
403 |
} |
404 |
|
405 |
String sqlAux;
|
406 |
if (canReproject(strEPSG)) {
|
407 |
sqlAux = sqlOrig + getCompoundWhere(sqlOrig, r, strEPSG); |
408 |
} else {
|
409 |
sqlAux = sqlOrig + getCompoundWhere(sqlOrig, r, originalEPSG); |
410 |
} |
411 |
|
412 |
System.out.println("SqlAux getFeatureIterator = " + sqlAux); |
413 |
|
414 |
return getFeatureIterator(sqlAux);
|
415 |
} |
416 |
|
417 |
/**
|
418 |
* Le pasas el rect?ngulo que quieres pedir. La primera vez es el
|
419 |
* workingArea, y las siguientes una interseccion de este rectangulo con el
|
420 |
* workingArea
|
421 |
*
|
422 |
* @param r
|
423 |
* @param strEPSG
|
424 |
* @return
|
425 |
*/
|
426 |
private String getCompoundWhere(String sql, Rectangle2D r, String strEPSG) { |
427 |
if (r == null) |
428 |
return getWhereClause();
|
429 |
|
430 |
double xMin = r.getMinX();
|
431 |
double yMin = r.getMinY();
|
432 |
double xMax = r.getMaxX();
|
433 |
double yMax = r.getMaxY();
|
434 |
String wktBox = "GeometryFromText('LINESTRING(" + xMin + " " + yMin |
435 |
+ ", " + xMax + " " + yMin + ", " + xMax + " " + yMax + ", " |
436 |
+ xMin + " " + yMax + ")', " + strEPSG + ")"; |
437 |
String sqlAux;
|
438 |
if (getWhereClause().toUpperCase().indexOf("WHERE") != -1) |
439 |
sqlAux = getWhereClause() + " AND \"" + getLyrDef().getFieldGeometry() + "\" && " + wktBox; |
440 |
else
|
441 |
sqlAux = "WHERE \"" + getLyrDef().getFieldGeometry() + "\" && " |
442 |
+ wktBox; |
443 |
return sqlAux;
|
444 |
} |
445 |
|
446 |
/**
|
447 |
* @see com.iver.cit.gvsig.fmap.drivers.IVectorialDatabaseDriver#getConnectionStringBeginning()
|
448 |
*/
|
449 |
public String getConnectionStringBeginning() { |
450 |
return "jdbc:postgresql:"; |
451 |
} |
452 |
|
453 |
/*
|
454 |
* (non-Javadoc)
|
455 |
*
|
456 |
* @see com.iver.cit.gvsig.fmap.drivers.DefaultDBDriver#getFieldValue(long,
|
457 |
* int)
|
458 |
*/
|
459 |
@Override
|
460 |
public Value getFieldValue(long rowIndex, int idField) |
461 |
throws ReadDriverException {
|
462 |
// EL ABSOLUTE NO HACE QUE SE VUELVAN A LEER LAS
|
463 |
// FILAS, ASI QUE MONTAMOS ESTA HISTORIA PARA QUE
|
464 |
// LO HAGA
|
465 |
int index = (int) (rowIndex); |
466 |
try {
|
467 |
setAbsolutePosition(index); |
468 |
int fieldId = idField + 2; |
469 |
return getFieldValue(rs, fieldId);
|
470 |
|
471 |
} catch (SQLException e) { |
472 |
throw new ReadDriverException("PostGIS Driver", e); |
473 |
} |
474 |
} |
475 |
|
476 |
static Value getFieldValue(ResultSet aRs, int fieldId) throws SQLException { |
477 |
ResultSetMetaData metaData = aRs.getMetaData();
|
478 |
byte[] byteBuf = aRs.getBytes(fieldId); |
479 |
if (byteBuf == null) |
480 |
return ValueFactory.createNullValue();
|
481 |
else {
|
482 |
ByteBuffer buf = ByteBuffer.wrap(byteBuf); |
483 |
if (metaData.getColumnType(fieldId) == Types.VARCHAR) |
484 |
return ValueFactory.createValue(aRs.getString(fieldId));
|
485 |
if (metaData.getColumnType(fieldId) == Types.CHAR){ |
486 |
String character = aRs.getString(fieldId);
|
487 |
if (character != null){ |
488 |
return ValueFactory.createValue(character.trim());
|
489 |
}else{
|
490 |
return ValueFactory.createValue(character);
|
491 |
} |
492 |
} |
493 |
if (metaData.getColumnType(fieldId) == Types.FLOAT) |
494 |
return ValueFactory.createValue(buf.getFloat());
|
495 |
if (metaData.getColumnType(fieldId) == Types.DOUBLE) |
496 |
return ValueFactory.createValue(buf.getDouble());
|
497 |
if (metaData.getColumnType(fieldId) == Types.REAL) |
498 |
return ValueFactory.createValue(buf.getFloat());
|
499 |
if (metaData.getColumnType(fieldId) == Types.INTEGER) |
500 |
return ValueFactory.createValue(buf.getInt());
|
501 |
if (metaData.getColumnType(fieldId) == Types.SMALLINT) |
502 |
return ValueFactory.createValue(buf.getShort());
|
503 |
if (metaData.getColumnType(fieldId) == Types.BIGINT) |
504 |
return ValueFactory.createValue(buf.getLong());
|
505 |
if (metaData.getColumnType(fieldId) == Types.BIT) |
506 |
return ValueFactory.createValue((byteBuf[0] == 1)); |
507 |
if (metaData.getColumnType(fieldId) == Types.BOOLEAN) |
508 |
return ValueFactory.createValue(aRs.getBoolean(fieldId));
|
509 |
if (metaData.getColumnType(fieldId) == Types.DATE) { |
510 |
long daysAfter2000 = buf.getInt();
|
511 |
DateTime year2000 = new DateTime(2000, 1,1,0,0,0); |
512 |
DateTime dt = year2000.plusDays((int)daysAfter2000);
|
513 |
Calendar cal = GregorianCalendar.getInstance(); |
514 |
cal.set(dt.getYear(), dt.getMonthOfYear()-1, dt.getDayOfMonth());
|
515 |
// System.out.println(dt + " convertido:" + cal.getTime());
|
516 |
return ValueFactory.createValue(cal.getTime());
|
517 |
} |
518 |
if (metaData.getColumnType(fieldId) == Types.TIME) { |
519 |
// TODO:
|
520 |
// throw new RuntimeException("TIME type not implemented yet");
|
521 |
return ValueFactory.createValue("NOT IMPLEMENTED YET"); |
522 |
} |
523 |
if (metaData.getColumnType(fieldId) == Types.TIMESTAMP) { |
524 |
double segsReferredTo2000 = buf.getDouble();
|
525 |
long real_msecs = (long) (XTypes.NUM_msSecs2000 + segsReferredTo2000 * 1000); |
526 |
Timestamp valTimeStamp = new Timestamp(real_msecs); |
527 |
return ValueFactory.createValue(valTimeStamp);
|
528 |
} |
529 |
|
530 |
if (metaData.getColumnType(fieldId) == Types.NUMERIC) { |
531 |
// System.out.println(metaData.getColumnName(fieldId) + " "
|
532 |
// + metaData.getColumnClassName(fieldId));
|
533 |
// short ndigits = buf.getShort();
|
534 |
// short weight = buf.getShort();
|
535 |
// short sign = buf.getShort();
|
536 |
// short dscale = buf.getShort();
|
537 |
// String strAux;
|
538 |
// if (sign == 0)
|
539 |
// strAux = "+";
|
540 |
// else
|
541 |
// strAux = "-";
|
542 |
//
|
543 |
// for (int iDigit = 0; iDigit < ndigits; iDigit++) {
|
544 |
// short digit = buf.getShort();
|
545 |
// strAux = strAux + digit;
|
546 |
// if (iDigit == weight)
|
547 |
// strAux = strAux + ".";
|
548 |
//
|
549 |
// }
|
550 |
// strAux = strAux + "0";
|
551 |
|
552 |
BigDecimal dec;
|
553 |
dec = getBigDecimal(buf.array()); |
554 |
// dec = new BigDecimal(strAux);
|
555 |
// System.out.println(ndigits + "_" + weight + "_" + dscale
|
556 |
// + "_" + strAux);
|
557 |
// System.out.println(strAux + " Big= " + dec);
|
558 |
return ValueFactory.createValue(dec.doubleValue());
|
559 |
} |
560 |
|
561 |
} |
562 |
|
563 |
return ValueFactory.createNullValue();
|
564 |
|
565 |
} |
566 |
|
567 |
private static BigDecimal getBigDecimal(byte[] number) throws SQLException { |
568 |
|
569 |
short ndigits = (short) (((number[0] & 0xff) << 8) | (number[1] & 0xff)); |
570 |
short weight = (short) (((number[2] & 0xff) << 8) | (number[3] & 0xff)); |
571 |
short sign = (short) (((number[4] & 0xff) << 8) | (number[5] & 0xff)); |
572 |
short dscale = (short) (((number[6] & 0xff) << 8) | (number[7] & 0xff)); |
573 |
|
574 |
if (sign == (short) 0xC000) { |
575 |
// Numeric NaN - BigDecimal doesn't support this
|
576 |
throw new PSQLException( |
577 |
"The numeric value is NaN - can't convert to BigDecimal",
|
578 |
PSQLState.NUMERIC_VALUE_OUT_OF_RANGE); |
579 |
} |
580 |
|
581 |
final int bigDecimalSign = sign == 0x4000 ? -1 : 1; |
582 |
|
583 |
// System.out.println("ndigits=" + ndigits
|
584 |
// +",\n wieght=" + weight
|
585 |
// +",\n sign=" + sign
|
586 |
// +",\n dscale=" + dscale);
|
587 |
// // for (int i=8; i < number.length; i++) {
|
588 |
// System.out.println("numer[i]=" + (int) (number[i] & 0xff));
|
589 |
// }
|
590 |
|
591 |
int tail = ndigits % 4; |
592 |
int bytesToParse = (ndigits - tail) * 2 + 8; |
593 |
// System.out.println("numberParseLength="+numberParseLength);
|
594 |
int i;
|
595 |
BigInteger unscaledValue = BigInteger.ZERO; |
596 |
final BigInteger nbase = getNBase(); |
597 |
final BigInteger nbasePow2 = getNBasePow2(); |
598 |
final BigInteger nbasePow4 = getNBasePow4(); |
599 |
|
600 |
|
601 |
byte[] buffer = new byte[8]; |
602 |
|
603 |
// System.out.println("tail = " + tail + " bytesToParse = " +
|
604 |
// bytesToParse);
|
605 |
|
606 |
for (i = 8; i < bytesToParse; i += 8) { |
607 |
// This Hi and Lo aren't bytes Hi Li, but decimal Hi Lo!! (Big &
|
608 |
// Small)
|
609 |
long valHi = (((number[i] & 0xff) << 8) | (number[i + 1] & 0xff)) |
610 |
* 10000
|
611 |
+ (((number[i + 2] & 0xff) << 8) | (number[i + 3] & 0xff)); |
612 |
long valLo = (((number[i + 4] & 0xff) << 8) | (number[i + 5] & 0xff)) |
613 |
* 10000
|
614 |
+ (((number[i + 6] & 0xff) << 8) | (number[i + 7] & 0xff)); |
615 |
long val = valHi * nbaseLongPow2 + valLo;
|
616 |
buffer[0] = (byte) (val >>> 56); |
617 |
buffer[1] = (byte) (val >>> 48); |
618 |
buffer[2] = (byte) (val >>> 40); |
619 |
buffer[3] = (byte) (val >>> 32); |
620 |
buffer[4] = (byte) (val >>> 24); |
621 |
buffer[5] = (byte) (val >>> 16); |
622 |
buffer[6] = (byte) (val >>> 8); |
623 |
buffer[7] = (byte) (val >>> 0); |
624 |
|
625 |
BigInteger valBigInteger = new BigInteger(bigDecimalSign, buffer); |
626 |
unscaledValue = unscaledValue.multiply(nbasePow4) |
627 |
.add(valBigInteger); |
628 |
} |
629 |
tail = tail % 2;
|
630 |
bytesToParse = (ndigits - tail) * 2 + 8; |
631 |
// System.out.println("tail = " + tail + " bytesToParse = " +
|
632 |
// bytesToParse);
|
633 |
|
634 |
buffer = new byte[4]; |
635 |
for (; i < bytesToParse; i += 4) { |
636 |
int val = (((number[i] & 0xff) << 8) | (number[i + 1] & 0xff)) |
637 |
* nbaseInt |
638 |
+ (((number[i + 2] & 0xff) << 8) | (number[i + 3] & 0xff)); |
639 |
buffer[0] = (byte) (val >>> 24); |
640 |
buffer[1] = (byte) (val >>> 16); |
641 |
buffer[2] = (byte) (val >>> 8); |
642 |
buffer[3] = (byte) val; |
643 |
BigInteger valBigInteger = new BigInteger(bigDecimalSign, buffer); |
644 |
unscaledValue = unscaledValue.multiply(nbasePow2) |
645 |
.add(valBigInteger); |
646 |
} |
647 |
|
648 |
// Add the rest of number
|
649 |
if (tail % 2 == 1) { |
650 |
buffer = new byte[2]; |
651 |
buffer[0] = number[number.length - 2]; |
652 |
buffer[1] = number[number.length - 1]; |
653 |
BigInteger valBigInteger = new BigInteger(bigDecimalSign, buffer); |
654 |
unscaledValue = unscaledValue.multiply(nbase).add(valBigInteger); |
655 |
// System.out.println("Value (2) unscaled =" + unscaledValue
|
656 |
// +", valBI = "+ valBigInteger);
|
657 |
} |
658 |
|
659 |
|
660 |
// Calculate scale offset
|
661 |
final int databaseScale = (ndigits - weight - 1) * 4; // Number of |
662 |
// digits in
|
663 |
// nbase
|
664 |
// TODO This number of digits should be calculeted depending on nbase
|
665 |
// (getNbase());
|
666 |
|
667 |
BigDecimal result = new BigDecimal(unscaledValue, databaseScale); |
668 |
return result;
|
669 |
|
670 |
} |
671 |
|
672 |
public void open() { |
673 |
/*
|
674 |
* try { st = conn.createStatement(); st.setFetchSize(2000); if
|
675 |
* (bCursorActivo) close(); st.execute("declare wkb_cursor binary cursor
|
676 |
* for " + sqlOrig); rs = st.executeQuery("fetch forward all in
|
677 |
* wkb_cursor"); // st.execute("BEGIN"); bCursorActivo = true; } catch
|
678 |
* (SQLException e) { e.printStackTrace(); throw new
|
679 |
* com.iver.cit.gvsig.fmap.DriverException(e); }
|
680 |
*/
|
681 |
|
682 |
} |
683 |
|
684 |
private void setAbsolutePosition(int index) throws SQLException { |
685 |
// TODO: USAR LIMIT Y ORDER BY, Y HACERLO TAMBI?N PARA
|
686 |
// MYSQL
|
687 |
|
688 |
if (rs == null) { |
689 |
// ha habido un error previo. Es mejor poner un error y no seguir.
|
690 |
try {
|
691 |
reload(); |
692 |
} |
693 |
catch (Exception e) { |
694 |
e.printStackTrace(); |
695 |
throw new SQLException(e); |
696 |
} |
697 |
} |
698 |
|
699 |
// EL ABSOLUTE NO HACE QUE SE VUELVAN A LEER LAS
|
700 |
// FILAS, ASI QUE MONTAMOS ESTA HISTORIA PARA QUE
|
701 |
// LO HAGA
|
702 |
|
703 |
if ((index >= fetch_min) && (index <= fetch_max)) {
|
704 |
// Est? en el intervalo, as? que lo podemos posicionar
|
705 |
|
706 |
} else {
|
707 |
// calculamos el intervalo correcto
|
708 |
fetch_min = (index / FETCH_SIZE) * FETCH_SIZE; |
709 |
fetch_max = fetch_min + FETCH_SIZE - 1;
|
710 |
// y cogemos ese cacho
|
711 |
rs.close(); |
712 |
|
713 |
Statement st = ((ConnectionJDBC)conn).getConnection().createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, |
714 |
ResultSet.CONCUR_READ_ONLY);
|
715 |
|
716 |
// myCursorId++;
|
717 |
// st.execute("declare "
|
718 |
// + getTableName()
|
719 |
// + myCursorId
|
720 |
// + "_wkb_cursorAbsolutePosition binary scroll cursor with hold for "
|
721 |
// + sqlTotal);
|
722 |
st.executeQuery("fetch absolute " + fetch_min + " in " + cursorName); |
723 |
// + getTableName() + myCursorId
|
724 |
// + "_wkb_cursorAbsolutePosition");
|
725 |
|
726 |
rs = st.executeQuery("fetch forward " + FETCH_SIZE + " in " + cursorName); |
727 |
// + getTableName() + myCursorId
|
728 |
// + "_wkb_cursorAbsolutePosition");
|
729 |
|
730 |
|
731 |
} |
732 |
rs.absolute(index - fetch_min + 1);
|
733 |
|
734 |
} |
735 |
|
736 |
/**
|
737 |
* @see com.iver.cit.gvsig.fmap.drivers.IVectorialDatabaseDriver#getGeometryField(java.lang.String)
|
738 |
*/
|
739 |
public String getGeometryField(String fieldName) { |
740 |
return "AsEWKB(\"" + fieldName + "\", 'XDR')"; |
741 |
} |
742 |
|
743 |
/**
|
744 |
* @see com.hardcode.gdbms.engine.data.driver.ObjectDriver#getPrimaryKeys()
|
745 |
*/
|
746 |
public int[] getPrimaryKeys() { |
747 |
// TODO Auto-generated method stub
|
748 |
return null; |
749 |
} |
750 |
|
751 |
/**
|
752 |
* @see com.iver.cit.gvsig.fmap.drivers.IVectorialJDBCDriver#getDefaultPort()
|
753 |
*/
|
754 |
public int getDefaultPort() { |
755 |
return 5432; |
756 |
} |
757 |
|
758 |
/**
|
759 |
* @see com.hardcode.gdbms.engine.data.driver.ObjectDriver#write(com.hardcode.gdbms.engine.data.edition.DataWare)
|
760 |
*/
|
761 |
public void write(DataWare arg0) { |
762 |
// TODO Auto-generated method stub
|
763 |
|
764 |
} |
765 |
|
766 |
/*
|
767 |
* (non-Javadoc)
|
768 |
*
|
769 |
* @see com.iver.cit.gvsig.fmap.core.ICanReproject#getSourceProjection()
|
770 |
*/
|
771 |
public String getSourceProjection(IConnection conn, DBLayerDefinition dbld) { |
772 |
if (originalEPSG == null) |
773 |
getTableEPSG_and_shapeType(conn, dbld); |
774 |
return originalEPSG;
|
775 |
} |
776 |
|
777 |
/**
|
778 |
* Las tablas con geometr?as est?n en la tabla GEOMETRY_COLUMNS y de ah?
|
779 |
* sacamos en qu? proyecci?n est?n. El problema es que si el usuario hace
|
780 |
* una vista de esa tabla, no estar? dada de alta aqu? y entonces gvSIG no
|
781 |
* se entera en qu? proyecci?n est? trabajando (y le ponemos un -1 como mal
|
782 |
* menor). El -1 implica que luego no podremos reproyectar al vuelo desde la
|
783 |
* base de datos. OJO: ES SENSIBLE A MAYUSCULAS / MINUSCULAS!!!
|
784 |
*/
|
785 |
private void getTableEPSG_and_shapeType(IConnection conn, |
786 |
DBLayerDefinition dbld) { |
787 |
try {
|
788 |
Statement stAux = ((ConnectionJDBC) conn).getConnection()
|
789 |
.createStatement(); |
790 |
|
791 |
// String sql =
|
792 |
// "SELECT * FROM GEOMETRY_COLUMNS WHERE F_TABLE_NAME = '"
|
793 |
// + getTableName() + "' AND F_GEOMETRY_COLUMN = '" +
|
794 |
// getLyrDef().getFieldGeometry() + "'";
|
795 |
String sql;
|
796 |
if (dbld.getSchema() == null || dbld.getSchema().equals("")) { |
797 |
sql = "SELECT * FROM GEOMETRY_COLUMNS WHERE F_TABLE_SCHEMA = current_schema() AND F_TABLE_NAME = '"
|
798 |
+ dbld.getTableName() |
799 |
+ "' AND F_GEOMETRY_COLUMN = '"
|
800 |
+ dbld.getFieldGeometry() + "'";
|
801 |
} else {
|
802 |
sql = "SELECT * FROM GEOMETRY_COLUMNS WHERE F_TABLE_SCHEMA = '"
|
803 |
+ dbld.getSchema() + "' AND F_TABLE_NAME = '"
|
804 |
+ dbld.getTableName() + "' AND F_GEOMETRY_COLUMN = '"
|
805 |
+ dbld.getFieldGeometry() + "'";
|
806 |
} |
807 |
|
808 |
ResultSet rs = stAux.executeQuery(sql);
|
809 |
if (rs.next()) {
|
810 |
originalEPSG = "" + rs.getInt("SRID"); |
811 |
String geometryType = rs.getString("TYPE"); |
812 |
int shapeType = FShape.MULTI;
|
813 |
if (geometryType.compareToIgnoreCase("POINT") == 0) |
814 |
shapeType = FShape.POINT; |
815 |
else if (geometryType.compareToIgnoreCase("LINESTRING") == 0) |
816 |
shapeType = FShape.LINE; |
817 |
else if (geometryType.compareToIgnoreCase("POLYGON") == 0) |
818 |
shapeType = FShape.POLYGON; |
819 |
else if (geometryType.compareToIgnoreCase("MULTIPOINT") == 0) |
820 |
shapeType = FShape.MULTIPOINT; |
821 |
else if (geometryType.compareToIgnoreCase("MULTILINESTRING") == 0) |
822 |
shapeType = FShape.LINE; |
823 |
else if (geometryType.compareToIgnoreCase("MULTILINESTRINGM") == 0) // MCoord |
824 |
shapeType = FShape.LINE | FShape.M; |
825 |
else if (geometryType.compareToIgnoreCase("MULTIPOLYGON") == 0) |
826 |
shapeType = FShape.POLYGON; |
827 |
dbld.setShapeType(shapeType); |
828 |
|
829 |
//jomarlla
|
830 |
int dimension = rs.getInt("COORD_DIMENSION"); |
831 |
dbld.setDimension(dimension); |
832 |
|
833 |
} else {
|
834 |
originalEPSG = "-1";
|
835 |
} |
836 |
|
837 |
rs.close(); |
838 |
} catch (SQLException e) { |
839 |
// TODO Auto-generated catch block
|
840 |
originalEPSG = "-1";
|
841 |
logger.error(e); |
842 |
e.printStackTrace(); |
843 |
} |
844 |
|
845 |
} |
846 |
|
847 |
/*
|
848 |
* (non-Javadoc)
|
849 |
*
|
850 |
* @see com.iver.cit.gvsig.fmap.core.ICanReproject#getDestProjection()
|
851 |
*/
|
852 |
public String getDestProjection() { |
853 |
return strEPSG;
|
854 |
} |
855 |
|
856 |
/*
|
857 |
* (non-Javadoc)
|
858 |
*
|
859 |
* @see
|
860 |
* com.iver.cit.gvsig.fmap.core.ICanReproject#setDestProjection(java.lang
|
861 |
* .String)
|
862 |
*/
|
863 |
public void setDestProjection(String toEPSG) { |
864 |
this.strEPSG = toEPSG;
|
865 |
} |
866 |
|
867 |
/*
|
868 |
* (non-Javadoc)
|
869 |
*
|
870 |
* @see
|
871 |
* com.iver.cit.gvsig.fmap.core.ICanReproject#canReproject(java.lang.String)
|
872 |
*/
|
873 |
public boolean canReproject(String toEPSGdestinyProjection) { |
874 |
// TODO POR AHORA, REPROYECTA SIEMPRE gvSIG.
|
875 |
return false; |
876 |
} |
877 |
|
878 |
/*
|
879 |
* (non-Javadoc)
|
880 |
*
|
881 |
* @see com.iver.cit.gvsig.fmap.drivers.DefaultDBDriver#doRelateID_FID()
|
882 |
*/
|
883 |
protected void doRelateID_FID() throws DBException { |
884 |
hashRelate = new Hashtable(); |
885 |
try {
|
886 |
String strSQL = "SELECT " + getLyrDef().getFieldID() + " FROM " |
887 |
+ getLyrDef().getComposedTableName() + " ";
|
888 |
// + getLyrDef().getWhereClause();
|
889 |
if (canReproject(strEPSG)) {
|
890 |
strSQL = strSQL |
891 |
+ getCompoundWhere(strSQL, workingArea, strEPSG); |
892 |
} else {
|
893 |
strSQL = strSQL |
894 |
+ getCompoundWhere(strSQL, workingArea, originalEPSG); |
895 |
} |
896 |
strSQL = strSQL + " ORDER BY " + getLyrDef().getFieldID();
|
897 |
Statement s = ((ConnectionJDBC) getConnection()).getConnection()
|
898 |
.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
|
899 |
ResultSet.CONCUR_READ_ONLY);
|
900 |
int fetchSize = 5000; |
901 |
ResultSet r = s.executeQuery(strSQL);
|
902 |
int id = 0; |
903 |
String gid;
|
904 |
while (r.next()) {
|
905 |
gid = r.getString(1);
|
906 |
|
907 |
if (gid == null) { |
908 |
throw new SQLException( |
909 |
PluginServices.getText(null, "Found_null_id_in_table") + ": " + |
910 |
getLyrDef().getComposedTableName()); |
911 |
} |
912 |
|
913 |
Value aux = ValueFactory.createValue(gid); |
914 |
hashRelate.put(aux, new Integer(id)); |
915 |
// System.out.println("ASOCIANDO CLAVE " + aux + " CON VALOR " +
|
916 |
// id);
|
917 |
id++; |
918 |
// System.out.println("Row " + id + ":" + strAux);
|
919 |
} |
920 |
s.close(); |
921 |
numReg = id; |
922 |
|
923 |
/*
|
924 |
* for (int index = 0; index < getShapeCount(); index++) { Value aux
|
925 |
* = getFieldValue(index, idFID_FieldName-2); hashRelate.put(aux,
|
926 |
* new Integer(index)); // System.out.println("Row " + index +
|
927 |
* " clave=" + aux); }
|
928 |
*/
|
929 |
/*
|
930 |
* int index = 0;
|
931 |
*
|
932 |
* while (rs.next()) { Value aux = getFieldValue(index,
|
933 |
* idFID_FieldName-2); hashRelate.put(aux, new Integer(index));
|
934 |
* index++; System.out.println("Row " + index + " clave=" + aux); }
|
935 |
* numReg = index;
|
936 |
*/
|
937 |
// rs.beforeFirst();
|
938 |
/*
|
939 |
* } catch (com.hardcode.gdbms.engine.data.driver.DriverException e)
|
940 |
* { // TODO Auto-generated catch block e.printStackTrace();
|
941 |
*/
|
942 |
} catch (SQLException e) { |
943 |
throw new DBException(e); |
944 |
} |
945 |
} |
946 |
|
947 |
public String getSqlTotal() { |
948 |
return sqlTotal;
|
949 |
} |
950 |
|
951 |
/**
|
952 |
* @return Returns the completeWhere.
|
953 |
*/
|
954 |
public String getCompleteWhere() { |
955 |
return completeWhere;
|
956 |
} |
957 |
|
958 |
/*
|
959 |
* (non-Javadoc)
|
960 |
*
|
961 |
* @see com.iver.cit.gvsig.fmap.drivers.DefaultDBDriver#close()
|
962 |
*/
|
963 |
public void close() { |
964 |
super.close();
|
965 |
/*
|
966 |
* if (bCursorActivo) { try { // st =
|
967 |
* conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
|
968 |
* ResultSet.CONCUR_READ_ONLY); st.execute("CLOSE wkb_cursor_prov"); //
|
969 |
* st.close(); } catch (SQLException e) { // TODO Auto-generated catch
|
970 |
* block e.printStackTrace(); } bCursorActivo = false; }
|
971 |
*/
|
972 |
|
973 |
} |
974 |
|
975 |
/*
|
976 |
* (non-Javadoc)
|
977 |
*
|
978 |
* @see
|
979 |
* com.iver.cit.gvsig.fmap.drivers.VectorialDatabaseDriver#getFeatureIterator
|
980 |
* (java.awt.geom.Rectangle2D, java.lang.String, java.lang.String[])
|
981 |
*/
|
982 |
public IFeatureIterator getFeatureIterator(Rectangle2D r, String strEPSG, |
983 |
String[] alphaNumericFieldsNeeded) throws ReadDriverException { |
984 |
String sqlAux = null; |
985 |
DBLayerDefinition lyrDef = getLyrDef(); |
986 |
DBLayerDefinition clonedLyrDef = cloneLyrDef(lyrDef); |
987 |
ArrayList<FieldDescription> myFieldsDesc = new ArrayList<FieldDescription>(); // = |
988 |
// new
|
989 |
// FieldDescription[alphaNumericFieldsNeeded.length+1];
|
990 |
try {
|
991 |
if (workingArea != null) |
992 |
r = r.createIntersection(workingArea); |
993 |
// if (getLyrDef()==null){
|
994 |
// load();
|
995 |
// throw new DriverException("Fallo de la conexi?n");
|
996 |
// }
|
997 |
String strAux = getGeometryField(lyrDef.getFieldGeometry());
|
998 |
|
999 |
boolean found = false; |
1000 |
int fieldIndex = -1; |
1001 |
if (alphaNumericFieldsNeeded != null) { |
1002 |
FieldDescription[] fieldsDesc = lyrDef.getFieldsDesc();
|
1003 |
|
1004 |
for (int i = 0; i < alphaNumericFieldsNeeded.length; i++) { |
1005 |
fieldIndex = lyrDef |
1006 |
.getFieldIdByName(alphaNumericFieldsNeeded[i]); |
1007 |
if (fieldIndex < 0) { |
1008 |
throw new RuntimeException( |
1009 |
"No se ha encontrado el nombre de campo "
|
1010 |
+ metaData.getColumnName(i)); |
1011 |
} |
1012 |
strAux = strAux |
1013 |
+ ", "
|
1014 |
+ PostGIS |
1015 |
.escapeFieldName(lyrDef.getFieldNames()[fieldIndex]); |
1016 |
if (alphaNumericFieldsNeeded[i].equalsIgnoreCase(lyrDef
|
1017 |
.getFieldID())) { |
1018 |
found = true;
|
1019 |
clonedLyrDef.setIdFieldID(i); |
1020 |
} |
1021 |
|
1022 |
myFieldsDesc.add(fieldsDesc[fieldIndex]); |
1023 |
} |
1024 |
} |
1025 |
// Nos aseguramos de pedir siempre el campo ID
|
1026 |
if (found == false) { |
1027 |
strAux = strAux + ", " + lyrDef.getFieldID();
|
1028 |
myFieldsDesc.add(lyrDef.getFieldsDesc()[lyrDef |
1029 |
.getIdField(lyrDef.getFieldID())]); |
1030 |
clonedLyrDef.setIdFieldID(myFieldsDesc.size() - 1);
|
1031 |
} |
1032 |
clonedLyrDef.setFieldsDesc((FieldDescription[]) myFieldsDesc
|
1033 |
.toArray(new FieldDescription[] {})); |
1034 |
|
1035 |
String sqlProv = "SELECT " + strAux + " FROM " |
1036 |
+ lyrDef.getComposedTableName() + " ";
|
1037 |
// + getLyrDef().getWhereClause();
|
1038 |
|
1039 |
if (canReproject(strEPSG)) {
|
1040 |
sqlAux = sqlProv + getCompoundWhere(sqlProv, r, strEPSG); |
1041 |
} else {
|
1042 |
sqlAux = sqlProv + getCompoundWhere(sqlProv, r, originalEPSG); |
1043 |
} |
1044 |
|
1045 |
System.out.println("SqlAux getFeatureIterator = " + sqlAux); |
1046 |
PostGisFeatureIterator geomIterator = null;
|
1047 |
geomIterator = myGetFeatureIterator(sqlAux); |
1048 |
geomIterator.setLyrDef(clonedLyrDef); |
1049 |
return geomIterator;
|
1050 |
} catch (Exception e) { |
1051 |
// e.printStackTrace();
|
1052 |
// SqlDriveExceptionType type = new SqlDriveExceptionType();
|
1053 |
// type.setDriverName("PostGIS Driver");
|
1054 |
// type.setSql(sqlAux);
|
1055 |
// type.setLayerName(getTableName());
|
1056 |
// type.setSchema(null);
|
1057 |
throw new ReadDriverException("PostGIS Driver", e); |
1058 |
|
1059 |
// throw new DriverException(e);
|
1060 |
} |
1061 |
} |
1062 |
|
1063 |
/*
|
1064 |
* public void preProcess() throws EditionException { writer.preProcess(); }
|
1065 |
*
|
1066 |
* public void process(IRowEdited row) throws EditionException {
|
1067 |
* writer.process(row); }
|
1068 |
*
|
1069 |
* public void postProcess() throws EditionException { writer.postProcess();
|
1070 |
* }
|
1071 |
*
|
1072 |
* public String getCapability(String capability) { return
|
1073 |
* writer.getCapability(capability); }
|
1074 |
*
|
1075 |
* public void setCapabilities(Properties capabilities) {
|
1076 |
* writer.setCapabilities(capabilities); }
|
1077 |
*
|
1078 |
* public boolean canWriteAttribute(int sqlType) { return
|
1079 |
* writer.canWriteAttribute(sqlType); }
|
1080 |
*
|
1081 |
* public boolean canWriteGeometry(int gvSIGgeometryType) { return
|
1082 |
* writer.canWriteGeometry(gvSIGgeometryType); }
|
1083 |
*
|
1084 |
* public void initialize(ITableDefinition layerDef) throws EditionException
|
1085 |
* { writer.setCreateTable(false); writer.setWriteAll(false); // Obtenemos
|
1086 |
* el DBLayerDefinition a partir del driver
|
1087 |
*
|
1088 |
* DBLayerDefinition dbLyrDef = getLyrDef();
|
1089 |
*
|
1090 |
*
|
1091 |
* writer.initialize(dbLyrDef); }
|
1092 |
*/
|
1093 |
public boolean isWritable() { |
1094 |
// CHANGE FROM CARTOLAB
|
1095 |
// return true;
|
1096 |
return writer.canSaveEdits();
|
1097 |
// END CHANGE CARTOLAB
|
1098 |
} |
1099 |
|
1100 |
public IWriter getWriter() {
|
1101 |
return writer;
|
1102 |
} |
1103 |
|
1104 |
public String[] getGeometryFieldsCandidates(IConnection conn, |
1105 |
String table_name) throws DBException { |
1106 |
ArrayList list = new ArrayList(); |
1107 |
try {
|
1108 |
Statement stAux = ((ConnectionJDBC) conn).getConnection()
|
1109 |
.createStatement(); |
1110 |
String[] tokens = table_name.split("\\u002E", 2); |
1111 |
String sql;
|
1112 |
if (tokens.length > 1) { |
1113 |
sql = "select * from GEOMETRY_COLUMNS WHERE F_TABLE_SCHEMA = '"
|
1114 |
+ tokens[0] + "' AND F_TABLE_NAME = '" + tokens[1] |
1115 |
+ "'";
|
1116 |
} else {
|
1117 |
sql = "select * from GEOMETRY_COLUMNS"
|
1118 |
+ " where F_TABLE_SCHEMA = current_schema() AND F_TABLE_NAME = '"
|
1119 |
+ table_name + "'";
|
1120 |
|
1121 |
} |
1122 |
|
1123 |
// String sql =
|
1124 |
// "SELECT * FROM GEOMETRY_COLUMNS WHERE F_TABLE_NAME = '"
|
1125 |
// + table_name + "'";
|
1126 |
|
1127 |
ResultSet rs = stAux.executeQuery(sql);
|
1128 |
while (rs.next()) {
|
1129 |
String geomCol = rs.getString("F_GEOMETRY_COLUMN"); |
1130 |
list.add(geomCol); |
1131 |
} |
1132 |
rs.close(); |
1133 |
stAux.close(); |
1134 |
} catch (SQLException e) { |
1135 |
closeConnection(conn); |
1136 |
throw new DBException(e); |
1137 |
} |
1138 |
return (String[]) list.toArray(new String[0]); |
1139 |
} |
1140 |
|
1141 |
// public String[] getTableFields(IConnection conex, String table) throws
|
1142 |
// DBException {
|
1143 |
// try{
|
1144 |
// Statement st = ((ConnectionJDBC)conex).getConnection().createStatement();
|
1145 |
// // ResultSet rs = dbmd.getTables(catalog, null,
|
1146 |
// dbLayerDefinition.getTable(), null);
|
1147 |
// ResultSet rs = st.executeQuery("select * from " + table + " LIMIT 1");
|
1148 |
// ResultSetMetaData rsmd = rs.getMetaData();
|
1149 |
//
|
1150 |
// String[] ret = new String[rsmd.getColumnCount()];
|
1151 |
//
|
1152 |
// for (int i = 0; i < ret.length; i++) {
|
1153 |
// ret[i] = rsmd.getColumnName(i+1);
|
1154 |
// }
|
1155 |
//
|
1156 |
// return ret;
|
1157 |
// }catch (SQLException e) {
|
1158 |
// throw new DBException(e);
|
1159 |
// }
|
1160 |
// }
|
1161 |
|
1162 |
private DBLayerDefinition cloneLyrDef(DBLayerDefinition lyrDef) {
|
1163 |
DBLayerDefinition clonedLyrDef = new DBLayerDefinition();
|
1164 |
|
1165 |
clonedLyrDef.setName(lyrDef.getName()); |
1166 |
clonedLyrDef.setFieldsDesc(lyrDef.getFieldsDesc()); |
1167 |
|
1168 |
clonedLyrDef.setShapeType(lyrDef.getShapeType()); |
1169 |
clonedLyrDef.setProjection(lyrDef.getProjection()); |
1170 |
|
1171 |
clonedLyrDef.setConnection(lyrDef.getConnection()); |
1172 |
clonedLyrDef.setCatalogName(lyrDef.getCatalogName()); |
1173 |
clonedLyrDef.setSchema(lyrDef.getSchema()); |
1174 |
clonedLyrDef.setTableName(lyrDef.getTableName()); |
1175 |
|
1176 |
clonedLyrDef.setFieldID(lyrDef.getFieldID()); |
1177 |
clonedLyrDef.setFieldGeometry(lyrDef.getFieldGeometry()); |
1178 |
clonedLyrDef.setWhereClause(lyrDef.getWhereClause()); |
1179 |
clonedLyrDef.setWorkingArea(lyrDef.getWorkingArea()); |
1180 |
clonedLyrDef.setSRID_EPSG(lyrDef.getSRID_EPSG()); |
1181 |
clonedLyrDef.setClassToInstantiate(lyrDef.getClassToInstantiate()); |
1182 |
|
1183 |
clonedLyrDef.setIdFieldID(lyrDef.getIdFieldID()); |
1184 |
clonedLyrDef.setDimension(lyrDef.getDimension()); |
1185 |
clonedLyrDef.setHost(lyrDef.getHost()); |
1186 |
clonedLyrDef.setPort(lyrDef.getPort()); |
1187 |
clonedLyrDef.setDataBase(lyrDef.getDataBase()); |
1188 |
clonedLyrDef.setUser(lyrDef.getUser()); |
1189 |
clonedLyrDef.setPassword(lyrDef.getPassword()); |
1190 |
clonedLyrDef.setConnectionName(lyrDef.getConnectionName()); |
1191 |
return clonedLyrDef;
|
1192 |
} |
1193 |
|
1194 |
public String getTotalFields() { |
1195 |
StringBuilder strAux = new StringBuilder(); |
1196 |
strAux.append(getGeometryField(getLyrDef().getFieldGeometry())); |
1197 |
String[] fieldNames = getLyrDef().getFieldNames(); |
1198 |
for (int i = 0; i < fieldNames.length; i++) { |
1199 |
strAux.append(", " + PostGIS.escapeFieldName(fieldNames[i]));
|
1200 |
} |
1201 |
return strAux.toString();
|
1202 |
} |
1203 |
|
1204 |
|
1205 |
/**
|
1206 |
* Gets all field names of a given table.
|
1207 |
*
|
1208 |
* This method comes from DefaultJDBC.java class. Postgis driver has no method to check
|
1209 |
* the status of the connection -if it is valid or not. So, as it's not possible to assure
|
1210 |
* its status, close the connection when an exception happens and re-open it on demand
|
1211 |
* on the proper method will solve the problems related to an invalid status.
|
1212 |
*
|
1213 |
* @param conn connection object
|
1214 |
* @param table_name table name
|
1215 |
* @return all field names of the given table
|
1216 |
* @throws SQLException
|
1217 |
*/
|
1218 |
@Override
|
1219 |
public String[] getAllFields(IConnection conn, String table_name) throws DBException { |
1220 |
Statement st = null; |
1221 |
ResultSet rs = null; |
1222 |
table_name = tableNameToComposedTableName(table_name); |
1223 |
|
1224 |
try {
|
1225 |
st = ((ConnectionJDBC)conn).getConnection().createStatement(); |
1226 |
rs = st.executeQuery("SELECT * FROM " + table_name + " LIMIT 1"); |
1227 |
ResultSetMetaData rsmd = rs.getMetaData();
|
1228 |
String[] ret = new String[rsmd.getColumnCount()]; |
1229 |
|
1230 |
for (int i = 0; i < ret.length; i++) { |
1231 |
ret[i] = rsmd.getColumnName(i+1);
|
1232 |
} |
1233 |
|
1234 |
return ret;
|
1235 |
} catch (SQLException e) { |
1236 |
// Next time getConnection() method is called it will be re-opened.
|
1237 |
// @see com.iver.cit.gvsig.fmap.drivers.ConnectionJDBC.java;
|
1238 |
closeConnection(conn); |
1239 |
throw new DBException(e); |
1240 |
} |
1241 |
finally {
|
1242 |
closeResultSet(rs); |
1243 |
closeStatement(st); |
1244 |
} |
1245 |
} |
1246 |
|
1247 |
/**
|
1248 |
* Gets all field type names of a given table.
|
1249 |
*
|
1250 |
* This method comes from DefaultJDBC.java class. Postgis driver has no method to check
|
1251 |
* the status of the connection -if it is valid or not. So, as it's not possible to assure
|
1252 |
* its status, close the connection when an exception happens and re-open it on demand
|
1253 |
* on the proper method will solve the problems related to an invalid status.
|
1254 |
*
|
1255 |
* @param conn connection object
|
1256 |
* @param table_name table name
|
1257 |
* @return all field type names of the given table
|
1258 |
* @throws SQLException
|
1259 |
*/
|
1260 |
public String[] getAllFieldTypeNames(IConnection conn, String table_name) throws DBException { |
1261 |
Statement st = null; |
1262 |
ResultSet rs = null; |
1263 |
table_name = tableNameToComposedTableName(table_name); |
1264 |
try {
|
1265 |
st = ((ConnectionJDBC)conn).getConnection().createStatement(); |
1266 |
rs = st.executeQuery("SELECT * FROM " + table_name + " LIMIT 1"); |
1267 |
ResultSetMetaData rsmd = rs.getMetaData();
|
1268 |
String[] ret = new String[rsmd.getColumnCount()]; |
1269 |
|
1270 |
for (int i = 0; i < ret.length; i++) { |
1271 |
ret[i] = rsmd.getColumnTypeName(i+1);
|
1272 |
} |
1273 |
return ret;
|
1274 |
} catch (SQLException e) { |
1275 |
// Next time getConnection() method is called it will be re-opened.
|
1276 |
// @see com.iver.cit.gvsig.fmap.drivers.ConnectionJDBC.java;
|
1277 |
closeConnection(conn); |
1278 |
throw new DBException(e); |
1279 |
} |
1280 |
finally{
|
1281 |
closeStatement(st); |
1282 |
closeResultSet(rs); |
1283 |
} |
1284 |
} |
1285 |
|
1286 |
/**
|
1287 |
*
|
1288 |
* @param tableName
|
1289 |
* @return a string with the schema and the tableName quoted
|
1290 |
*/
|
1291 |
private String tableNameToComposedTableName(String tableName) { |
1292 |
String composedTableName = null; |
1293 |
// \u002E = unicode character for .
|
1294 |
String[] tokens = tableName.trim().replace("\"", "").split("\\u002E"); |
1295 |
|
1296 |
if (tokens.length == 1) { |
1297 |
composedTableName = "\"" + tokens[0] + "\""; |
1298 |
|
1299 |
} else if (tokens.length == 2) { |
1300 |
composedTableName = "\"" + tokens[0] + "\".\"" + tokens[1] + "\""; |
1301 |
} else {
|
1302 |
// this is a not predictable case, so we return the same
|
1303 |
composedTableName = tableName; |
1304 |
} |
1305 |
|
1306 |
return composedTableName;
|
1307 |
} |
1308 |
|
1309 |
/**
|
1310 |
* Close a ResultSet
|
1311 |
* @param rs, the resultset to be closed
|
1312 |
* @return true if the resulset was correctly closed. false in any other case
|
1313 |
*/
|
1314 |
public boolean closeResultSet(ResultSet rs) { |
1315 |
boolean error = false; |
1316 |
|
1317 |
if (rs != null) { |
1318 |
try {
|
1319 |
rs.close(); |
1320 |
error = true;
|
1321 |
} catch (SQLException e) { |
1322 |
logger.error(e.getMessage(), e); |
1323 |
} |
1324 |
} |
1325 |
|
1326 |
return error;
|
1327 |
} |
1328 |
|
1329 |
/**
|
1330 |
* Close a Statement
|
1331 |
* @param st, the statement to be closed
|
1332 |
* @return true if the statement was correctly closed, false in any other case
|
1333 |
*/
|
1334 |
public boolean closeStatement(Statement st) { |
1335 |
boolean error = false; |
1336 |
|
1337 |
if (st != null) { |
1338 |
try {
|
1339 |
st.close(); |
1340 |
error = true;
|
1341 |
} catch (SQLException e) { |
1342 |
logger.error(e.getMessage(), e); |
1343 |
} |
1344 |
} |
1345 |
|
1346 |
return error;
|
1347 |
} |
1348 |
|
1349 |
/**
|
1350 |
* Close a Connection
|
1351 |
* @param conn, the connection to be closed
|
1352 |
* @return true if the connection was correctly closed, false in any other case
|
1353 |
*/
|
1354 |
public boolean closeConnection(IConnection conn) { |
1355 |
boolean error = false; |
1356 |
|
1357 |
if (conn != null) { |
1358 |
try {
|
1359 |
conn.close(); |
1360 |
error = true;
|
1361 |
} catch (DBException e) {
|
1362 |
logger.error(e.getMessage(), e); |
1363 |
} |
1364 |
} |
1365 |
|
1366 |
return error;
|
1367 |
} |
1368 |
|
1369 |
/**
|
1370 |
* Tells if user can read contents of the table.
|
1371 |
*
|
1372 |
* @param iconn connection with the database where the user is connected
|
1373 |
* @param tablename to get the permissions over
|
1374 |
* @return true if can read, either false
|
1375 |
* @throws SQLException
|
1376 |
*/
|
1377 |
public boolean canRead(IConnection iconn, String tablename) throws SQLException { |
1378 |
String schema = null; |
1379 |
int dotPos = tablename.indexOf("."); |
1380 |
if (dotPos > -1) { |
1381 |
schema = tablename.substring(0, dotPos);
|
1382 |
} |
1383 |
tablename = tableNameToComposedTableName(tablename); |
1384 |
Connection conn = ((ConnectionJDBC) iconn).getConnection();
|
1385 |
boolean checkTable = true; |
1386 |
if (schema != null) { |
1387 |
if (!schemasUsage.containsKey(schema)) {
|
1388 |
String query = "SELECT has_schema_privilege('" + schema + "', 'USAGE') AS usg"; |
1389 |
Statement st = conn.createStatement();
|
1390 |
ResultSet rs = st.executeQuery(query);
|
1391 |
if (rs.next()) {
|
1392 |
schemasUsage.put(schema, rs.getBoolean("usg"));
|
1393 |
} else {
|
1394 |
//this sentence should never be executed...
|
1395 |
schemasUsage.put(schema, false);
|
1396 |
} |
1397 |
rs.close(); |
1398 |
st.close(); |
1399 |
} |
1400 |
checkTable = schemasUsage.get(schema); |
1401 |
} |
1402 |
if (checkTable) {
|
1403 |
String query = "SELECT has_table_privilege('" + tablename + "', 'SELECT') as selct"; |
1404 |
Statement st = conn.createStatement();
|
1405 |
ResultSet rs = st.executeQuery(query);
|
1406 |
if (rs.next()) {
|
1407 |
return rs.getBoolean("selct"); |
1408 |
} else {
|
1409 |
return false; |
1410 |
} |
1411 |
} else return false; |
1412 |
} |
1413 |
|
1414 |
|
1415 |
private Integer getGidFieldIndex(String ret[]){ |
1416 |
for (int i=0; i<ret.length; i++) { |
1417 |
if (ret[i].equalsIgnoreCase("gid")) { |
1418 |
return new Integer(i); |
1419 |
} |
1420 |
} |
1421 |
return null; |
1422 |
} |
1423 |
|
1424 |
private void swapIndexes(String[] ret, int i, int j){ |
1425 |
if(i!=j && i>=0 && i<ret.length && j>=0 && j<ret.length){ |
1426 |
String aux = ret[i];
|
1427 |
ret[i] = ret[j]; |
1428 |
ret[j] = aux; |
1429 |
} |
1430 |
} |
1431 |
|
1432 |
public String[] getIdFieldsCandidates(IConnection conn, String table_name) throws DBException { |
1433 |
|
1434 |
String[] ret = getAllFields(conn, table_name); |
1435 |
|
1436 |
String pk = getPrimaryKey(conn, table_name);
|
1437 |
|
1438 |
if (!pk.equals("")){ |
1439 |
for (int i = 0; i < ret.length; i++) { |
1440 |
if (pk.equals(ret[i])) {
|
1441 |
//swap possible gid col with the first element
|
1442 |
//in order to make it the default selection on
|
1443 |
//combobox
|
1444 |
swapIndexes(ret, i, 0);
|
1445 |
break;
|
1446 |
} |
1447 |
} |
1448 |
} else {
|
1449 |
Integer gidFieldIndex = getGidFieldIndex(ret);
|
1450 |
if (gidFieldIndex!=null){ |
1451 |
//swap possible gid col with the first element
|
1452 |
//in order to make it the default selection on
|
1453 |
//combobox
|
1454 |
int index = gidFieldIndex.intValue();
|
1455 |
swapIndexes(ret, index, 0);
|
1456 |
} else {
|
1457 |
for (int i = 0; i < ret.length; i++) { |
1458 |
if (isAutoIncrement(conn, table_name, ret[i])) {
|
1459 |
//swap possible gid col with the first element
|
1460 |
//in order to make it the default selection on
|
1461 |
//combobox
|
1462 |
swapIndexes(ret, i, 0);
|
1463 |
break;
|
1464 |
} |
1465 |
} |
1466 |
} |
1467 |
} |
1468 |
return ret;
|
1469 |
} |
1470 |
|
1471 |
private boolean isAutoIncrement(IConnection con, String table_name, String colName) { |
1472 |
|
1473 |
String query = "SELECT column_default SIMILAR TO 'nextval%regclass%' AS isautoincremental " |
1474 |
+ "FROM information_schema.columns "
|
1475 |
+ "WHERE table_name = ? AND table_schema=? "
|
1476 |
+ "AND column_name=?";
|
1477 |
|
1478 |
try {
|
1479 |
// get schema and table from the composed tablename
|
1480 |
String[] tokens = table_name.split("\\u002E", 2); |
1481 |
String schema = ""; |
1482 |
String tableName = ""; |
1483 |
if (tokens.length == 1) { |
1484 |
tableName = tokens[0];
|
1485 |
} else {
|
1486 |
schema = tokens[0];
|
1487 |
tableName = tokens[1];
|
1488 |
} |
1489 |
|
1490 |
|
1491 |
Connection c = ((ConnectionJDBC)con).getConnection();
|
1492 |
PreparedStatement st = c.prepareStatement(query);
|
1493 |
st.setString(1, tableName);
|
1494 |
st.setString(2, schema);
|
1495 |
st.setString(3, colName);
|
1496 |
|
1497 |
ResultSet rs = st.executeQuery();
|
1498 |
boolean isAutoincrement = false; |
1499 |
if (rs.next()) {
|
1500 |
isAutoincrement = rs.getBoolean("isautoincremental");
|
1501 |
} |
1502 |
|
1503 |
rs.close(); |
1504 |
st.close(); |
1505 |
|
1506 |
return isAutoincrement;
|
1507 |
} catch (SQLException e) { |
1508 |
try {
|
1509 |
con.close(); |
1510 |
} catch (DBException e2) {
|
1511 |
// TODO Auto-generated catch block
|
1512 |
e.printStackTrace(); |
1513 |
} |
1514 |
return false; |
1515 |
|
1516 |
} |
1517 |
|
1518 |
|
1519 |
} |
1520 |
|
1521 |
private String getPrimaryKey(IConnection con, String table_name) { |
1522 |
|
1523 |
String query = "SELECT column_name FROM information_schema.key_column_usage" + |
1524 |
" WHERE table_name=? AND table_schema=? AND constraint_name=?";
|
1525 |
|
1526 |
try {
|
1527 |
// get schema and table from the composed tablename
|
1528 |
String[] tokens = table_name.split("\\u002E", 2); |
1529 |
String schema = ""; |
1530 |
String tableName = ""; |
1531 |
if (tokens.length == 1) { |
1532 |
tableName = tokens[0];
|
1533 |
} else {
|
1534 |
schema = tokens[0];
|
1535 |
tableName = tokens[1];
|
1536 |
} |
1537 |
|
1538 |
|
1539 |
Connection c = ((ConnectionJDBC)con).getConnection();
|
1540 |
PreparedStatement st = c.prepareStatement(query);
|
1541 |
st.setString(1, tableName);
|
1542 |
st.setString(2, schema);
|
1543 |
st.setString(3, tableName+"_pkey"); |
1544 |
|
1545 |
ResultSet rs = st.executeQuery();
|
1546 |
|
1547 |
String primaryKey = ""; |
1548 |
if (rs.next()) {
|
1549 |
primaryKey = rs.getString("column_name");
|
1550 |
} |
1551 |
|
1552 |
rs.close(); |
1553 |
st.close(); |
1554 |
|
1555 |
return primaryKey;
|
1556 |
} catch (SQLException e) { |
1557 |
try {
|
1558 |
con.close(); |
1559 |
} catch (DBException e2) {
|
1560 |
// TODO Auto-generated catch block
|
1561 |
e.printStackTrace(); |
1562 |
} |
1563 |
return ""; |
1564 |
} |
1565 |
} |
1566 |
|
1567 |
|
1568 |
public void validateData(IConnection _conn, DBLayerDefinition lyrDef) throws DBException { |
1569 |
|
1570 |
this.conn = _conn;
|
1571 |
lyrDef.setConnection(conn); |
1572 |
setLyrDef(lyrDef); |
1573 |
|
1574 |
getTableEPSG_and_shapeType(conn, lyrDef); |
1575 |
|
1576 |
getLyrDef().setSRID_EPSG(originalEPSG); |
1577 |
|
1578 |
try {
|
1579 |
((ConnectionJDBC) conn).getConnection().setAutoCommit(false);
|
1580 |
sqlOrig = "SELECT " + getTotalFields() + " FROM " |
1581 |
+ getLyrDef().getComposedTableName() + " ";
|
1582 |
// + getLyrDef().getWhereClause();
|
1583 |
if (canReproject(strEPSG)) {
|
1584 |
completeWhere = getCompoundWhere(sqlOrig, workingArea, strEPSG); |
1585 |
} else {
|
1586 |
completeWhere = getCompoundWhere(sqlOrig, workingArea, |
1587 |
originalEPSG); |
1588 |
} |
1589 |
// completeWhere = getLyrDef().getWhereClause() + completeWhere;
|
1590 |
|
1591 |
String sqlAux = sqlOrig + completeWhere + " ORDER BY " |
1592 |
+ getLyrDef().getFieldID(); |
1593 |
|
1594 |
sqlTotal = sqlAux; |
1595 |
logger.info("Cadena SQL:" + sqlAux);
|
1596 |
Statement st = ((ConnectionJDBC) conn).getConnection().createStatement(
|
1597 |
ResultSet.TYPE_SCROLL_INSENSITIVE,
|
1598 |
ResultSet.CONCUR_READ_ONLY);
|
1599 |
// st.setFetchSize(FETCH_SIZE);
|
1600 |
// myCursorId++;
|
1601 |
String temp_index_name = getTableName() + "_temp_wkb_cursor"; |
1602 |
st.execute("declare " + temp_index_name + " binary scroll cursor with hold for " |
1603 |
+ sqlAux); |
1604 |
rs = st.executeQuery("fetch forward 50 in " + temp_index_name);
|
1605 |
rs.close(); |
1606 |
st.execute("close " + temp_index_name);
|
1607 |
st.close(); |
1608 |
|
1609 |
} catch (SQLException e) { |
1610 |
|
1611 |
try {
|
1612 |
((ConnectionJDBC) conn).getConnection().rollback(); |
1613 |
} catch (SQLException e1) { |
1614 |
logger.warn("Unable to rollback connection after problem (" + e.getMessage() + ") in setData()"); |
1615 |
} |
1616 |
|
1617 |
try {
|
1618 |
if (rs != null) { rs.close(); } |
1619 |
} catch (SQLException e1) { |
1620 |
throw new DBException(e); |
1621 |
} |
1622 |
throw new DBException(e); |
1623 |
} |
1624 |
} |
1625 |
} |
1626 |
|
1627 |
// [eiel-gestion-conexiones]
|
1628 |
// [eiel-postgis-3d]
|
1629 |
|