source: trunk/client/class/db/oracle.php@ 416

Last change on this file since 416 was 232, checked in by luc, 10 years ago
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Inserita classe e file mancanti
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[232]1<?php
2/***************************************************************************
3 * oracle.php
4 * -------------------
5 * begin : Thrusday Feb 15, 2001
6 * copyright : (C) 2001 The phpBB Group
7 * email : support@phpbb.com
8 *
9 * $Id: oracle.php,v 1.18 2002/01/28 17:24:45 psotfx Exp $
10 *
11 ***************************************************************************/
12
13/***************************************************************************
14 *
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License as published by
17 * the Free Software Foundation; either version 2 of the License, or
18 * (at your option) any later version.
19 *
20 ***************************************************************************/
21
22if(!defined("SQL_LAYER"))
23{
24
25define("SQL_LAYER","oracle");
26
27class sql_db
28{
29
30 var $db_connect_id;
31 var $query_result;
32 var $in_transaction = 0;
33 var $row = array();
34 var $rowset = array();
35 var $num_queries = 0;
36 var $last_query_text = "";
37
38 //
39 // Constructor
40 //
41 function sql_db($sqlserver, $sqluser, $sqlpassword, $database="", $persistency = true)
42 {
43 $this->persistency = $persistency;
44 $this->user = $sqluser;
45 $this->password = $sqlpassword;
46 $this->server = $sqlserver;
47 $this->dbname = $database;
48
49 if($this->persistency)
50 {
51 $this->db_connect_id = @OCIPLogon($this->user, $this->password, $this->server);
52 }
53 else
54 {
55 $this->db_connect_id = @OCINLogon($this->user, $this->password, $this->server);
56 }
57 if($this->db_connect_id)
58 {
59 return $this->db_connect_id;
60 }
61 else
62 {
63 return false;
64 }
65 }
66
67 //
68 // Other base methods
69 //
70 function sql_close()
71 {
72 if($this->db_connect_id)
73 {
74 // Commit outstanding transactions
75 if($this->in_transaction)
76 {
77 OCICommit($this->db_connect_id);
78 }
79
80 if($this->query_result)
81 {
82 @OCIFreeStatement($this->query_result);
83 }
84 $result = @OCILogoff($this->db_connect_id);
85 return $result;
86 }
87 else
88 {
89 return false;
90 }
91 }
92
93 //
94 // Base query method
95 //
96 function sql_query($query = "", $transaction = FALSE)
97 {
98 // Remove any pre-existing queries
99 unset($this->query_result);
100
101 // Put us in transaction mode because with Oracle as soon as you make a query you're in a transaction
102 $this->in_transaction = TRUE;
103
104 if($query != "")
105 {
106 $this->last_query = $query;
107 $this->num_queries++;
108
109 if(eregi("LIMIT", $query))
110 {
111 preg_match("/^(.*)LIMIT ([0-9]+)[, ]*([0-9]+)*/s", $query, $limits);
112
113 $query = $limits[1];
114 if($limits[3])
115 {
116 $row_offset = $limits[2];
117 $num_rows = $limits[3];
118 }
119 else
120 {
121 $row_offset = 0;
122 $num_rows = $limits[2];
123 }
124 }
125
126 if(eregi("^(INSERT|UPDATE) ", $query))
127 {
128 $query = preg_replace("/\\\'/s", "''", $query);
129 }
130
131 $this->query_result = @OCIParse($this->db_connect_id, $query);
132 $success = @OCIExecute($this->query_result, OCI_DEFAULT);
133 }
134 if($success)
135 {
136 if($transaction == END_TRANSACTION)
137 {
138 OCICommit($this->db_connect_id);
139 $this->in_transaction = FALSE;
140 }
141
142 unset($this->row[$this->query_result]);
143 unset($this->rowset[$this->query_result]);
144 $this->last_query_text[$this->query_result] = $query;
145
146 return $this->query_result;
147 }
148 else
149 {
150 if($this->in_transaction)
151 {
152 OCIRollback($this->db_connect_id);
153 }
154 return false;
155 }
156 }
157
158 //
159 // Other query methods
160 //
161 function sql_numrows($query_id = 0)
162 {
163 if(!$query_id)
164 {
165 $query_id = $this->query_result;
166 }
167 if($query_id)
168 {
169 $result = @OCIFetchStatement($query_id, $this->rowset);
170 // OCIFetchStatment kills our query result so we have to execute the statment again
171 // if we ever want to use the query_id again.
172 @OCIExecute($query_id, OCI_DEFAULT);
173 return $result;
174 }
175 else
176 {
177 return false;
178 }
179 }
180 function sql_affectedrows($query_id = 0)
181 {
182 if(!$query_id)
183 {
184 $query_id = $this->query_result;
185 }
186 if($query_id)
187 {
188 $result = @OCIRowCount($query_id);
189 return $result;
190 }
191 else
192 {
193 return false;
194 }
195 }
196 function sql_numfields($query_id = 0)
197 {
198 if(!$query_id)
199 {
200 $query_id = $this->query_result;
201 }
202 if($query_id)
203 {
204 $result = @OCINumCols($query_id);
205 return $result;
206 }
207 else
208 {
209 return false;
210 }
211 }
212 function sql_fieldname($offset, $query_id = 0)
213 {
214 // OCIColumnName uses a 1 based array so we have to up the offset by 1 in here to maintain
215 // full abstraction compatibitly
216 $offset += 1;
217 if(!$query_id)
218 {
219 $query_id = $this->query_result;
220 }
221 if($query_id)
222 {
223 $result = strtolower(@OCIColumnName($query_id, $offset));
224 return $result;
225 }
226 else
227 {
228 return false;
229 }
230 }
231 function sql_fieldtype($offset, $query_id = 0)
232 {
233 // This situation is the same as fieldname
234 $offset += 1;
235 if(!$query_id)
236 {
237 $query_id = $this->query_result;
238 }
239 if($query_id)
240 {
241 $result = @OCIColumnType($query_id, $offset);
242 return $result;
243 }
244 else
245 {
246 return false;
247 }
248 }
249 function sql_fetchrow($query_id = 0, $debug = FALSE)
250 {
251 if(!$query_id)
252 {
253 $query_id = $this->query_result;
254 }
255 if($query_id)
256 {
257 $result_row = "";
258 $result = @OCIFetchInto($query_id, $result_row, OCI_ASSOC+OCI_RETURN_NULLS);
259 if($debug)
260 {
261 echo "Query was: ".$this->last_query . "<br>";
262 echo "Result: $result<br>";
263 echo "Query ID: $query_id<br>";
264 echo "<pre>";
265 var_dump($result_row);
266 echo "</pre>";
267 }
268 if($result_row == "")
269 {
270 return false;
271 }
272
273 for($i = 0; $i < count($result_row); $i++)
274 {
275 list($key, $val) = each($result_row);
276 $return_arr[strtolower($key)] = $val;
277 }
278 $this->row[$query_id] = $return_arr;
279
280 return $this->row[$query_id];
281 }
282 else
283 {
284 return false;
285 }
286 }
287 // This function probably isn't as efficant is it could be but any other way I do it
288 // I end up losing 1 row...
289 function sql_fetchrowset($query_id = 0)
290 {
291 if(!$query_id)
292 {
293 $query_id = $this->query_result;
294 }
295 if($query_id)
296 {
297 $rows = @OCIFetchStatement($query_id, $results);
298 @OCIExecute($query_id, OCI_DEFAULT);
299 for($i = 0; $i <= $rows; $i++)
300 {
301 @OCIFetchInto($query_id, $tmp_result, OCI_ASSOC+OCI_RETURN_NULLS);
302
303 for($j = 0; $j < count($tmp_result); $j++)
304 {
305 list($key, $val) = each($tmp_result);
306 $return_arr[strtolower($key)] = $val;
307 }
308 $result[] = $return_arr;
309 }
310 return $result;
311 }
312 else
313 {
314 return false;
315 }
316 }
317 function sql_fetchfield($field, $rownum = -1, $query_id = 0)
318 {
319 if(!$query_id)
320 {
321 $query_id = $this->query_result;
322 }
323 if($query_id)
324 {
325 if($rownum > -1)
326 {
327 // Reset the internal rownum pointer.
328 @OCIExecute($query_id, OCI_DEFAULT);
329 for($i = 0; $i < $rownum; $i++)
330 {
331 // Move the interal pointer to the row we want
332 @OCIFetch($query_id);
333 }
334 // Get the field data.
335 $result = @OCIResult($query_id, strtoupper($field));
336 }
337 else
338 {
339 // The internal pointer should be where we want it
340 // so we just grab the field out of the current row.
341 $result = @OCIResult($query_id, strtoupper($field));
342 }
343 return $result;
344 }
345 else
346 {
347 return false;
348 }
349 }
350 function sql_rowseek($rownum, $query_id = 0)
351 {
352 if(!$query_id)
353 {
354 $query_id = $this->query_result;
355 }
356 if($query_id)
357 {
358 @OCIExecute($query_id, OCI_DEFAULT);
359 for($i = 0; $i < $rownum; $i++)
360 {
361 @OCIFetch($query_id);
362 }
363 $result = @OCIFetch($query_id);
364 return $result;
365 }
366 else
367 {
368 return false;
369 }
370 }
371 function sql_nextid($query_id = 0)
372 {
373 if(!$query_id)
374 {
375 $query_id = $this->query_result;
376 }
377 if($query_id && $this->last_query_text[$query_id] != "")
378 {
379 if( eregi("^(INSERT{1}|^INSERT INTO{1})[[:space:]][\"]?([a-zA-Z0-9\_\-]+)[\"]?", $this->last_query_text[$query_id], $tablename))
380 {
381 $query = "SELECT ".$tablename[2]."_id_seq.currval FROM DUAL";
382 $stmt = @OCIParse($this->db_connect_id, $query);
383 @OCIExecute($stmt,OCI_DEFAULT );
384 $temp_result = @OCIFetchInto($stmt, $temp_result, OCI_ASSOC+OCI_RETURN_NULLS);
385 if($temp_result)
386 {
387 return $temp_result['CURRVAL'];
388 }
389 else
390 {
391 return false;
392 }
393 }
394 else
395 {
396 return false;
397 }
398 }
399 else
400 {
401 return false;
402 }
403 }
404
405 function sql_nextid($query_id = 0)
406 {
407 if(!$query_id)
408 {
409 $query_id = $this->query_result;
410 }
411 if($query_id && $this->last_query_text[$query_id] != "")
412 {
413 if( eregi("^(INSERT{1}|^INSERT INTO{1})[[:space:]][\"]?([a-zA-Z0-9\_\-]+)[\"]?", $this->last_query_text[$query_id], $tablename))
414 {
415 $query = "SELECT ".$tablename[2]."_id_seq.CURRVAL FROM DUAL";
416 $temp_q_id = @OCIParse($this->db_connect_id, $query);
417 @OCIExecute($temp_q_id, OCI_DEFAULT);
418 @OCIFetchInto($temp_q_id, $temp_result, OCI_ASSOC+OCI_RETURN_NULLS);
419
420 if($temp_result)
421 {
422 return $temp_result['CURRVAL'];
423 }
424 else
425 {
426 return false;
427 }
428 }
429 else
430 {
431 return false;
432 }
433 }
434 else
435 {
436 return false;
437 }
438 }
439
440
441
442 function sql_freeresult($query_id = 0)
443 {
444 if(!$query_id)
445 {
446 $query_id = $this->query_result;
447 }
448 if($query_id)
449 {
450 $result = @OCIFreeStatement($query_id);
451 return $result;
452 }
453 else
454 {
455 return false;
456 }
457 }
458 function sql_error($query_id = 0)
459 {
460 if(!$query_id)
461 {
462 $query_id = $this->query_result;
463 }
464 $result = @OCIError($query_id);
465 return $result;
466 }
467
468} // class sql_db
469
470} // if ... define
471
472?>
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