| 1 |
lars |
1 |
<?php
|
|
|
2 |
// +----------------------------------------------------------------------+
|
|
|
3 |
// | PHP versions 4 and 5 |
|
|
|
4 |
// +----------------------------------------------------------------------+
|
|
|
5 |
// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox, |
|
|
|
6 |
// | Stig. S. Bakken, Lukas Smith |
|
|
|
7 |
// | All rights reserved. |
|
|
|
8 |
// +----------------------------------------------------------------------+
|
|
|
9 |
// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
|
|
|
10 |
// | API as well as database abstraction for PHP applications. |
|
|
|
11 |
// | This LICENSE is in the BSD license style. |
|
|
|
12 |
// | |
|
|
|
13 |
// | Redistribution and use in source and binary forms, with or without |
|
|
|
14 |
// | modification, are permitted provided that the following conditions |
|
|
|
15 |
// | are met: |
|
|
|
16 |
// | |
|
|
|
17 |
// | Redistributions of source code must retain the above copyright |
|
|
|
18 |
// | notice, this list of conditions and the following disclaimer. |
|
|
|
19 |
// | |
|
|
|
20 |
// | Redistributions in binary form must reproduce the above copyright |
|
|
|
21 |
// | notice, this list of conditions and the following disclaimer in the |
|
|
|
22 |
// | documentation and/or other materials provided with the distribution. |
|
|
|
23 |
// | |
|
|
|
24 |
// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
|
|
|
25 |
// | Lukas Smith nor the names of his contributors may be used to endorse |
|
|
|
26 |
// | or promote products derived from this software without specific prior|
|
|
|
27 |
// | written permission. |
|
|
|
28 |
// | |
|
|
|
29 |
// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
|
|
|
30 |
// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
|
|
|
31 |
// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
|
|
|
32 |
// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
|
|
|
33 |
// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
|
|
|
34 |
// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
|
|
|
35 |
// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
|
|
|
36 |
// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
|
|
|
37 |
// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
|
|
|
38 |
// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
|
|
|
39 |
// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
|
|
|
40 |
// | POSSIBILITY OF SUCH DAMAGE. |
|
|
|
41 |
// +----------------------------------------------------------------------+
|
|
|
42 |
// | Author: Lukas Smith <smith@pooteeweet.org> |
|
|
|
43 |
// +----------------------------------------------------------------------+
|
|
|
44 |
//
|
|
|
45 |
// $Id: Common.php,v 1.112 2006/10/14 13:42:00 lsmith Exp $
|
|
|
46 |
|
|
|
47 |
require_once 'MDB2/LOB.php';
|
|
|
48 |
|
|
|
49 |
/**
|
|
|
50 |
* @package MDB2
|
|
|
51 |
* @category Database
|
|
|
52 |
* @author Lukas Smith <smith@pooteeweet.org>
|
|
|
53 |
*/
|
|
|
54 |
|
|
|
55 |
/**
|
|
|
56 |
* MDB2_Driver_Common: Base class that is extended by each MDB2 driver
|
|
|
57 |
*
|
|
|
58 |
* @package MDB2
|
|
|
59 |
* @category Database
|
|
|
60 |
* @author Lukas Smith <smith@pooteeweet.org>
|
|
|
61 |
*/
|
|
|
62 |
class MDB2_Driver_Datatype_Common extends MDB2_Module_Common
|
|
|
63 |
{
|
|
|
64 |
var $valid_default_values = array(
|
|
|
65 |
'text' => '',
|
|
|
66 |
'boolean' => true,
|
|
|
67 |
'integer' => 0,
|
|
|
68 |
'decimal' => 0.0,
|
|
|
69 |
'float' => 0.0,
|
|
|
70 |
'timestamp' => '1970-01-01 00:00:00',
|
|
|
71 |
'time' => '00:00:00',
|
|
|
72 |
'date' => '1970-01-01',
|
|
|
73 |
'clob' => '',
|
|
|
74 |
'blob' => '',
|
|
|
75 |
);
|
|
|
76 |
|
|
|
77 |
/**
|
|
|
78 |
* contains all LOB objects created with this MDB2 instance
|
|
|
79 |
* @var array
|
|
|
80 |
* @access protected
|
|
|
81 |
*/
|
|
|
82 |
var $lobs = array();
|
|
|
83 |
|
|
|
84 |
// }}}
|
|
|
85 |
// {{{ getValidTypes()
|
|
|
86 |
|
|
|
87 |
/**
|
|
|
88 |
* Get the list of valid types
|
|
|
89 |
*
|
|
|
90 |
* This function returns an array of valid types as keys with the values
|
|
|
91 |
* being possible default values for all native datatypes and mapped types
|
|
|
92 |
* for custom datatypes.
|
|
|
93 |
*
|
|
|
94 |
* @return mixed array on success, a MDB2 error on failure
|
|
|
95 |
* @access public
|
|
|
96 |
*/
|
|
|
97 |
function getValidTypes()
|
|
|
98 |
{
|
|
|
99 |
$types = $this->valid_default_values;
|
|
|
100 |
$db =& $this->getDBInstance();
|
|
|
101 |
if (PEAR::isError($db)) {
|
|
|
102 |
return $db;
|
|
|
103 |
}
|
|
|
104 |
if (!empty($db->options['datatype_map'])) {
|
|
|
105 |
foreach ($db->options['datatype_map'] as $type => $mapped_type) {
|
|
|
106 |
if (array_key_exists($mapped_type, $types)) {
|
|
|
107 |
$types[$type] = $types[$mapped_type];
|
|
|
108 |
} elseif (!empty($db->options['datatype_map_callback'][$type])) {
|
|
|
109 |
$parameter = array('type' => $type, 'mapped_type' => $mapped_type);
|
|
|
110 |
$default = call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter));
|
|
|
111 |
$types[$type] = $default;
|
|
|
112 |
}
|
|
|
113 |
}
|
|
|
114 |
}
|
|
|
115 |
return $types;
|
|
|
116 |
}
|
|
|
117 |
|
|
|
118 |
// }}}
|
|
|
119 |
// {{{ checkResultTypes()
|
|
|
120 |
|
|
|
121 |
/**
|
|
|
122 |
* Define the list of types to be associated with the columns of a given
|
|
|
123 |
* result set.
|
|
|
124 |
*
|
|
|
125 |
* This function may be called before invoking fetchRow(), fetchOne()
|
|
|
126 |
* fetchCole() and fetchAll() so that the necessary data type
|
|
|
127 |
* conversions are performed on the data to be retrieved by them. If this
|
|
|
128 |
* function is not called, the type of all result set columns is assumed
|
|
|
129 |
* to be text, thus leading to not perform any conversions.
|
|
|
130 |
*
|
|
|
131 |
* @param string $types array variable that lists the
|
|
|
132 |
* data types to be expected in the result set columns. If this array
|
|
|
133 |
* contains less types than the number of columns that are returned
|
|
|
134 |
* in the result set, the remaining columns are assumed to be of the
|
|
|
135 |
* type text. Currently, the types clob and blob are not fully
|
|
|
136 |
* supported.
|
|
|
137 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
138 |
* @access public
|
|
|
139 |
*/
|
|
|
140 |
function checkResultTypes($types)
|
|
|
141 |
{
|
|
|
142 |
$types = is_array($types) ? $types : array($types);
|
|
|
143 |
foreach ($types as $key => $type) {
|
|
|
144 |
if (!isset($this->valid_default_values[$type])) {
|
|
|
145 |
$db =& $this->getDBInstance();
|
|
|
146 |
if (PEAR::isError($db)) {
|
|
|
147 |
return $db;
|
|
|
148 |
}
|
|
|
149 |
if (empty($db->options['datatype_map'][$type])) {
|
|
|
150 |
return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
151 |
$type.' for '.$key.' is not a supported column type', __FUNCTION__);
|
|
|
152 |
}
|
|
|
153 |
}
|
|
|
154 |
}
|
|
|
155 |
return $types;
|
|
|
156 |
}
|
|
|
157 |
|
|
|
158 |
// }}}
|
|
|
159 |
// {{{ _baseConvertResult()
|
|
|
160 |
|
|
|
161 |
/**
|
|
|
162 |
* general type conversion method
|
|
|
163 |
*
|
|
|
164 |
* @param mixed $value refernce to a value to be converted
|
|
|
165 |
* @param string $type specifies which type to convert to
|
|
|
166 |
* @return object a MDB2 error on failure
|
|
|
167 |
* @access protected
|
|
|
168 |
*/
|
|
|
169 |
function _baseConvertResult($value, $type, $rtrim = true)
|
|
|
170 |
{
|
|
|
171 |
switch ($type) {
|
|
|
172 |
case 'text':
|
|
|
173 |
if ($rtrim) {
|
|
|
174 |
$value = rtrim($value);
|
|
|
175 |
}
|
|
|
176 |
return $value;
|
|
|
177 |
case 'integer':
|
|
|
178 |
return intval($value);
|
|
|
179 |
case 'boolean':
|
|
|
180 |
return !empty($value);
|
|
|
181 |
case 'decimal':
|
|
|
182 |
return $value;
|
|
|
183 |
case 'float':
|
|
|
184 |
return doubleval($value);
|
|
|
185 |
case 'date':
|
|
|
186 |
return $value;
|
|
|
187 |
case 'time':
|
|
|
188 |
return $value;
|
|
|
189 |
case 'timestamp':
|
|
|
190 |
return $value;
|
|
|
191 |
case 'clob':
|
|
|
192 |
case 'blob':
|
|
|
193 |
$this->lobs[] = array(
|
|
|
194 |
'buffer' => null,
|
|
|
195 |
'position' => 0,
|
|
|
196 |
'lob_index' => null,
|
|
|
197 |
'endOfLOB' => false,
|
|
|
198 |
'resource' => $value,
|
|
|
199 |
'value' => null,
|
|
|
200 |
'loaded' => false,
|
|
|
201 |
);
|
|
|
202 |
end($this->lobs);
|
|
|
203 |
$lob_index = key($this->lobs);
|
|
|
204 |
$this->lobs[$lob_index]['lob_index'] = $lob_index;
|
|
|
205 |
return fopen('MDB2LOB://'.$lob_index.'@'.$this->db_index, 'r+');
|
|
|
206 |
}
|
|
|
207 |
|
|
|
208 |
$db =& $this->getDBInstance();
|
|
|
209 |
if (PEAR::isError($db)) {
|
|
|
210 |
return $db;
|
|
|
211 |
}
|
|
|
212 |
|
|
|
213 |
return $db->raiseError(MDB2_ERROR_INVALID, null, null,
|
|
|
214 |
'attempt to convert result value to an unknown type :' . $type, __FUNCTION__);
|
|
|
215 |
}
|
|
|
216 |
|
|
|
217 |
// }}}
|
|
|
218 |
// {{{ convertResult()
|
|
|
219 |
|
|
|
220 |
/**
|
|
|
221 |
* convert a value to a RDBMS indepdenant MDB2 type
|
|
|
222 |
*
|
|
|
223 |
* @param mixed $value value to be converted
|
|
|
224 |
* @param string $type specifies which type to convert to
|
|
|
225 |
* @param bool $rtrim if to rtrim text values or not
|
|
|
226 |
* @return mixed converted value
|
|
|
227 |
* @access public
|
|
|
228 |
*/
|
|
|
229 |
function convertResult($value, $type, $rtrim = true)
|
|
|
230 |
{
|
|
|
231 |
if (is_null($value)) {
|
|
|
232 |
return null;
|
|
|
233 |
}
|
|
|
234 |
$db =& $this->getDBInstance();
|
|
|
235 |
if (PEAR::isError($db)) {
|
|
|
236 |
return $db;
|
|
|
237 |
}
|
|
|
238 |
if (!empty($db->options['datatype_map'][$type])) {
|
|
|
239 |
$type = $db->options['datatype_map'][$type];
|
|
|
240 |
if (!empty($db->options['datatype_map_callback'][$type])) {
|
|
|
241 |
$parameter = array('type' => $type, 'value' => $value, 'rtrim' => $rtrim);
|
|
|
242 |
return call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter));
|
|
|
243 |
}
|
|
|
244 |
}
|
|
|
245 |
return $this->_baseConvertResult($value, $type, $rtrim);
|
|
|
246 |
}
|
|
|
247 |
|
|
|
248 |
// }}}
|
|
|
249 |
// {{{ convertResultRow()
|
|
|
250 |
|
|
|
251 |
/**
|
|
|
252 |
* convert a result row
|
|
|
253 |
*
|
|
|
254 |
* @param array $types
|
|
|
255 |
* @param array $row specifies the types to convert to
|
|
|
256 |
* @param bool $rtrim if to rtrim text values or not
|
|
|
257 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
258 |
* @access public
|
|
|
259 |
*/
|
|
|
260 |
function convertResultRow($types, $row, $rtrim = true)
|
|
|
261 |
{
|
|
|
262 |
reset($types);
|
|
|
263 |
$current_column = -1;
|
|
|
264 |
foreach ($row as $key => $value) {
|
|
|
265 |
++$current_column;
|
|
|
266 |
if (!isset($value)) {
|
|
|
267 |
continue;
|
|
|
268 |
}
|
|
|
269 |
if (isset($types[$current_column])) {
|
|
|
270 |
$type = $types[$current_column];
|
|
|
271 |
} elseif (isset($types[$key])) {
|
|
|
272 |
$type = $types[$key];
|
|
|
273 |
} elseif (current($types)) {
|
|
|
274 |
$type = current($types);
|
|
|
275 |
next($types);
|
|
|
276 |
} else {
|
|
|
277 |
continue;
|
|
|
278 |
}
|
|
|
279 |
$value = $this->convertResult($row[$key], $type, $rtrim);
|
|
|
280 |
if (PEAR::isError($value)) {
|
|
|
281 |
return $value;
|
|
|
282 |
}
|
|
|
283 |
$row[$key] = $value;
|
|
|
284 |
}
|
|
|
285 |
return $row;
|
|
|
286 |
}
|
|
|
287 |
|
|
|
288 |
// }}}
|
|
|
289 |
// {{{ getDeclaration()
|
|
|
290 |
|
|
|
291 |
/**
|
|
|
292 |
* Obtain DBMS specific SQL code portion needed to declare
|
|
|
293 |
* of the given type
|
|
|
294 |
*
|
|
|
295 |
* @param string $type type to which the value should be converted to
|
|
|
296 |
* @param string $name name the field to be declared.
|
|
|
297 |
* @param string $field definition of the field
|
|
|
298 |
* @return string DBMS specific SQL code portion that should be used to
|
|
|
299 |
* declare the specified field.
|
|
|
300 |
* @access public
|
|
|
301 |
*/
|
|
|
302 |
function getDeclaration($type, $name, $field)
|
|
|
303 |
{
|
|
|
304 |
$db =& $this->getDBInstance();
|
|
|
305 |
if (PEAR::isError($db)) {
|
|
|
306 |
return $db;
|
|
|
307 |
}
|
|
|
308 |
|
|
|
309 |
if (!empty($db->options['datatype_map'][$type])) {
|
|
|
310 |
$type = $db->options['datatype_map'][$type];
|
|
|
311 |
if (!empty($db->options['datatype_map_callback'][$type])) {
|
|
|
312 |
$parameter = array('type' => $type, 'name' => $name, 'field' => $field);
|
|
|
313 |
return call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter));
|
|
|
314 |
}
|
|
|
315 |
}
|
|
|
316 |
|
|
|
317 |
if (!method_exists($this, "_get{$type}Declaration")) {
|
|
|
318 |
return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
|
|
|
319 |
'type not defined: '.$type, __FUNCTION__);
|
|
|
320 |
}
|
|
|
321 |
return $this->{"_get{$type}Declaration"}($name, $field);
|
|
|
322 |
}
|
|
|
323 |
|
|
|
324 |
// }}}
|
|
|
325 |
// {{{ getTypeDeclaration()
|
|
|
326 |
|
|
|
327 |
/**
|
|
|
328 |
* Obtain DBMS specific SQL code portion needed to declare an text type
|
|
|
329 |
* field to be used in statements like CREATE TABLE.
|
|
|
330 |
*
|
|
|
331 |
* @param array $field associative array with the name of the properties
|
|
|
332 |
* of the field being declared as array indexes. Currently, the types
|
|
|
333 |
* of supported field properties are as follows:
|
|
|
334 |
*
|
|
|
335 |
* length
|
|
|
336 |
* Integer value that determines the maximum length of the text
|
|
|
337 |
* field. If this argument is missing the field should be
|
|
|
338 |
* declared to have the longest length allowed by the DBMS.
|
|
|
339 |
*
|
|
|
340 |
* default
|
|
|
341 |
* Text value to be used as default for this field.
|
|
|
342 |
*
|
|
|
343 |
* notnull
|
|
|
344 |
* Boolean flag that indicates whether this field is constrained
|
|
|
345 |
* to not be set to null.
|
|
|
346 |
* @return string DBMS specific SQL code portion that should be used to
|
|
|
347 |
* declare the specified field.
|
|
|
348 |
* @access public
|
|
|
349 |
*/
|
|
|
350 |
function getTypeDeclaration($field)
|
|
|
351 |
{
|
|
|
352 |
$db =& $this->getDBInstance();
|
|
|
353 |
if (PEAR::isError($db)) {
|
|
|
354 |
return $db;
|
|
|
355 |
}
|
|
|
356 |
|
|
|
357 |
switch ($field['type']) {
|
|
|
358 |
case 'text':
|
|
|
359 |
$length = !empty($field['length']) ? $field['length'] : $db->options['default_text_field_length'];
|
|
|
360 |
$fixed = !empty($field['fixed']) ? $field['fixed'] : false;
|
|
|
361 |
return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR('.$db->options['default_text_field_length'].')')
|
|
|
362 |
: ($length ? 'VARCHAR('.$length.')' : 'TEXT');
|
|
|
363 |
case 'clob':
|
|
|
364 |
return 'TEXT';
|
|
|
365 |
case 'blob':
|
|
|
366 |
return 'TEXT';
|
|
|
367 |
case 'integer':
|
|
|
368 |
return 'INT';
|
|
|
369 |
case 'boolean':
|
|
|
370 |
return 'INT';
|
|
|
371 |
case 'date':
|
|
|
372 |
return 'CHAR ('.strlen('YYYY-MM-DD').')';
|
|
|
373 |
case 'time':
|
|
|
374 |
return 'CHAR ('.strlen('HH:MM:SS').')';
|
|
|
375 |
case 'timestamp':
|
|
|
376 |
return 'CHAR ('.strlen('YYYY-MM-DD HH:MM:SS').')';
|
|
|
377 |
case 'float':
|
|
|
378 |
return 'TEXT';
|
|
|
379 |
case 'decimal':
|
|
|
380 |
return 'TEXT';
|
|
|
381 |
}
|
|
|
382 |
return '';
|
|
|
383 |
}
|
|
|
384 |
|
|
|
385 |
// }}}
|
|
|
386 |
// {{{ _getDeclaration()
|
|
|
387 |
|
|
|
388 |
/**
|
|
|
389 |
* Obtain DBMS specific SQL code portion needed to declare a generic type
|
|
|
390 |
* field to be used in statements like CREATE TABLE.
|
|
|
391 |
*
|
|
|
392 |
* @param string $name name the field to be declared.
|
|
|
393 |
* @param array $field associative array with the name of the properties
|
|
|
394 |
* of the field being declared as array indexes. Currently, the types
|
|
|
395 |
* of supported field properties are as follows:
|
|
|
396 |
*
|
|
|
397 |
* length
|
|
|
398 |
* Integer value that determines the maximum length of the text
|
|
|
399 |
* field. If this argument is missing the field should be
|
|
|
400 |
* declared to have the longest length allowed by the DBMS.
|
|
|
401 |
*
|
|
|
402 |
* default
|
|
|
403 |
* Text value to be used as default for this field.
|
|
|
404 |
*
|
|
|
405 |
* notnull
|
|
|
406 |
* Boolean flag that indicates whether this field is constrained
|
|
|
407 |
* to not be set to null.
|
|
|
408 |
* charset
|
|
|
409 |
* Text value with the default CHARACTER SET for this field.
|
|
|
410 |
* collation
|
|
|
411 |
* Text value with the default COLLATION for this field.
|
|
|
412 |
* @return string DBMS specific SQL code portion that should be used to
|
|
|
413 |
* declare the specified field.
|
|
|
414 |
* @access protected
|
|
|
415 |
*/
|
|
|
416 |
function _getDeclaration($name, $field)
|
|
|
417 |
{
|
|
|
418 |
$db =& $this->getDBInstance();
|
|
|
419 |
if (PEAR::isError($db)) {
|
|
|
420 |
return $db;
|
|
|
421 |
}
|
|
|
422 |
|
|
|
423 |
$default = '';
|
|
|
424 |
if (array_key_exists('default', $field)) {
|
|
|
425 |
if ($field['default'] === '') {
|
|
|
426 |
$field['default'] = empty($field['notnull'])
|
|
|
427 |
? null : $this->valid_default_values[$field['type']];
|
|
|
428 |
if ($field['default'] === ''
|
|
|
429 |
&& ($db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL)
|
|
|
430 |
) {
|
|
|
431 |
$field['default'] = ' ';
|
|
|
432 |
}
|
|
|
433 |
}
|
|
|
434 |
$default = ' DEFAULT '.$this->quote($field['default'], $field['type']);
|
|
|
435 |
} elseif (empty($field['notnull'])) {
|
|
|
436 |
$default = ' DEFAULT NULL';
|
|
|
437 |
}
|
|
|
438 |
|
|
|
439 |
$charset = empty($field['charset']) ? '' :
|
|
|
440 |
' '.$this->_getCharsetFieldDeclaration($field['charset']);
|
|
|
441 |
|
|
|
442 |
$collation = empty($field['collation']) ? '' :
|
|
|
443 |
' '.$this->_getCollationFieldDeclaration($field['collation']);
|
|
|
444 |
|
|
|
445 |
$notnull = empty($field['notnull']) ? '' : ' NOT NULL';
|
|
|
446 |
$name = $db->quoteIdentifier($name, true);
|
|
|
447 |
return $name.' '.$this->getTypeDeclaration($field).$charset.$default.$notnull.$collation;
|
|
|
448 |
}
|
|
|
449 |
|
|
|
450 |
// }}}
|
|
|
451 |
// {{{ _getCharsetFieldDeclaration()
|
|
|
452 |
|
|
|
453 |
/**
|
|
|
454 |
* Obtain DBMS specific SQL code portion needed to set the CHARACTER SET
|
|
|
455 |
* of a field declaration to be used in statements like CREATE TABLE.
|
|
|
456 |
*
|
|
|
457 |
* @param string $charset name of the charset
|
|
|
458 |
* @return string DBMS specific SQL code portion needed to set the CHARACTER SET
|
|
|
459 |
* of a field declaration.
|
|
|
460 |
*/
|
|
|
461 |
function _getCharsetFieldDeclaration($charset)
|
|
|
462 |
{
|
|
|
463 |
return '';
|
|
|
464 |
}
|
|
|
465 |
|
|
|
466 |
// }}}
|
|
|
467 |
// {{{ _getCollationFieldDeclaration()
|
|
|
468 |
|
|
|
469 |
/**
|
|
|
470 |
* Obtain DBMS specific SQL code portion needed to set the COLLATION
|
|
|
471 |
* of a field declaration to be used in statements like CREATE TABLE.
|
|
|
472 |
*
|
|
|
473 |
* @param string $collation name of the collation
|
|
|
474 |
* @return string DBMS specific SQL code portion needed to set the COLLATION
|
|
|
475 |
* of a field declaration.
|
|
|
476 |
*/
|
|
|
477 |
function _getCollationFieldDeclaration($collation)
|
|
|
478 |
{
|
|
|
479 |
return '';
|
|
|
480 |
}
|
|
|
481 |
|
|
|
482 |
// }}}
|
|
|
483 |
// {{{ _getIntegerDeclaration()
|
|
|
484 |
|
|
|
485 |
/**
|
|
|
486 |
* Obtain DBMS specific SQL code portion needed to declare an integer type
|
|
|
487 |
* field to be used in statements like CREATE TABLE.
|
|
|
488 |
*
|
|
|
489 |
* @param string $name name the field to be declared.
|
|
|
490 |
* @param array $field associative array with the name of the properties
|
|
|
491 |
* of the field being declared as array indexes. Currently, the types
|
|
|
492 |
* of supported field properties are as follows:
|
|
|
493 |
*
|
|
|
494 |
* unsigned
|
|
|
495 |
* Boolean flag that indicates whether the field should be
|
|
|
496 |
* declared as unsigned integer if possible.
|
|
|
497 |
*
|
|
|
498 |
* default
|
|
|
499 |
* Integer value to be used as default for this field.
|
|
|
500 |
*
|
|
|
501 |
* notnull
|
|
|
502 |
* Boolean flag that indicates whether this field is constrained
|
|
|
503 |
* to not be set to null.
|
|
|
504 |
* @return string DBMS specific SQL code portion that should be used to
|
|
|
505 |
* declare the specified field.
|
|
|
506 |
* @access protected
|
|
|
507 |
*/
|
|
|
508 |
function _getIntegerDeclaration($name, $field)
|
|
|
509 |
{
|
|
|
510 |
if (!empty($field['unsigned'])) {
|
|
|
511 |
$db =& $this->getDBInstance();
|
|
|
512 |
if (PEAR::isError($db)) {
|
|
|
513 |
return $db;
|
|
|
514 |
}
|
|
|
515 |
|
|
|
516 |
$db->warnings[] = "unsigned integer field \"$name\" is being declared as signed integer";
|
|
|
517 |
}
|
|
|
518 |
return $this->_getDeclaration($name, $field);
|
|
|
519 |
}
|
|
|
520 |
|
|
|
521 |
// }}}
|
|
|
522 |
// {{{ _getTextDeclaration()
|
|
|
523 |
|
|
|
524 |
/**
|
|
|
525 |
* Obtain DBMS specific SQL code portion needed to declare an text type
|
|
|
526 |
* field to be used in statements like CREATE TABLE.
|
|
|
527 |
*
|
|
|
528 |
* @param string $name name the field to be declared.
|
|
|
529 |
* @param array $field associative array with the name of the properties
|
|
|
530 |
* of the field being declared as array indexes. Currently, the types
|
|
|
531 |
* of supported field properties are as follows:
|
|
|
532 |
*
|
|
|
533 |
* length
|
|
|
534 |
* Integer value that determines the maximum length of the text
|
|
|
535 |
* field. If this argument is missing the field should be
|
|
|
536 |
* declared to have the longest length allowed by the DBMS.
|
|
|
537 |
*
|
|
|
538 |
* default
|
|
|
539 |
* Text value to be used as default for this field.
|
|
|
540 |
*
|
|
|
541 |
* notnull
|
|
|
542 |
* Boolean flag that indicates whether this field is constrained
|
|
|
543 |
* to not be set to null.
|
|
|
544 |
* @return string DBMS specific SQL code portion that should be used to
|
|
|
545 |
* declare the specified field.
|
|
|
546 |
* @access protected
|
|
|
547 |
*/
|
|
|
548 |
function _getTextDeclaration($name, $field)
|
|
|
549 |
{
|
|
|
550 |
return $this->_getDeclaration($name, $field);
|
|
|
551 |
}
|
|
|
552 |
|
|
|
553 |
// }}}
|
|
|
554 |
// {{{ _getCLOBDeclaration()
|
|
|
555 |
|
|
|
556 |
/**
|
|
|
557 |
* Obtain DBMS specific SQL code portion needed to declare an character
|
|
|
558 |
* large object type field to be used in statements like CREATE TABLE.
|
|
|
559 |
*
|
|
|
560 |
* @param string $name name the field to be declared.
|
|
|
561 |
* @param array $field associative array with the name of the properties
|
|
|
562 |
* of the field being declared as array indexes. Currently, the types
|
|
|
563 |
* of supported field properties are as follows:
|
|
|
564 |
*
|
|
|
565 |
* length
|
|
|
566 |
* Integer value that determines the maximum length of the large
|
|
|
567 |
* object field. If this argument is missing the field should be
|
|
|
568 |
* declared to have the longest length allowed by the DBMS.
|
|
|
569 |
*
|
|
|
570 |
* notnull
|
|
|
571 |
* Boolean flag that indicates whether this field is constrained
|
|
|
572 |
* to not be set to null.
|
|
|
573 |
* @return string DBMS specific SQL code portion that should be used to
|
|
|
574 |
* declare the specified field.
|
|
|
575 |
* @access public
|
|
|
576 |
*/
|
|
|
577 |
function _getCLOBDeclaration($name, $field)
|
|
|
578 |
{
|
|
|
579 |
$db =& $this->getDBInstance();
|
|
|
580 |
if (PEAR::isError($db)) {
|
|
|
581 |
return $db;
|
|
|
582 |
}
|
|
|
583 |
|
|
|
584 |
$notnull = empty($field['notnull']) ? '' : ' NOT NULL';
|
|
|
585 |
$name = $db->quoteIdentifier($name, true);
|
|
|
586 |
return $name.' '.$this->getTypeDeclaration($field).$notnull;
|
|
|
587 |
}
|
|
|
588 |
|
|
|
589 |
// }}}
|
|
|
590 |
// {{{ _getBLOBDeclaration()
|
|
|
591 |
|
|
|
592 |
/**
|
|
|
593 |
* Obtain DBMS specific SQL code portion needed to declare an binary large
|
|
|
594 |
* object type field to be used in statements like CREATE TABLE.
|
|
|
595 |
*
|
|
|
596 |
* @param string $name name the field to be declared.
|
|
|
597 |
* @param array $field associative array with the name of the properties
|
|
|
598 |
* of the field being declared as array indexes. Currently, the types
|
|
|
599 |
* of supported field properties are as follows:
|
|
|
600 |
*
|
|
|
601 |
* length
|
|
|
602 |
* Integer value that determines the maximum length of the large
|
|
|
603 |
* object field. If this argument is missing the field should be
|
|
|
604 |
* declared to have the longest length allowed by the DBMS.
|
|
|
605 |
*
|
|
|
606 |
* notnull
|
|
|
607 |
* Boolean flag that indicates whether this field is constrained
|
|
|
608 |
* to not be set to null.
|
|
|
609 |
* @return string DBMS specific SQL code portion that should be used to
|
|
|
610 |
* declare the specified field.
|
|
|
611 |
* @access protected
|
|
|
612 |
*/
|
|
|
613 |
function _getBLOBDeclaration($name, $field)
|
|
|
614 |
{
|
|
|
615 |
$db =& $this->getDBInstance();
|
|
|
616 |
if (PEAR::isError($db)) {
|
|
|
617 |
return $db;
|
|
|
618 |
}
|
|
|
619 |
|
|
|
620 |
$notnull = empty($field['notnull']) ? '' : ' NOT NULL';
|
|
|
621 |
$name = $db->quoteIdentifier($name, true);
|
|
|
622 |
return $name.' '.$this->getTypeDeclaration($field).$notnull;
|
|
|
623 |
}
|
|
|
624 |
|
|
|
625 |
// }}}
|
|
|
626 |
// {{{ _getBooleanDeclaration()
|
|
|
627 |
|
|
|
628 |
/**
|
|
|
629 |
* Obtain DBMS specific SQL code portion needed to declare a boolean type
|
|
|
630 |
* field to be used in statements like CREATE TABLE.
|
|
|
631 |
*
|
|
|
632 |
* @param string $name name the field to be declared.
|
|
|
633 |
* @param array $field associative array with the name of the properties
|
|
|
634 |
* of the field being declared as array indexes. Currently, the types
|
|
|
635 |
* of supported field properties are as follows:
|
|
|
636 |
*
|
|
|
637 |
* default
|
|
|
638 |
* Boolean value to be used as default for this field.
|
|
|
639 |
*
|
|
|
640 |
* notnullL
|
|
|
641 |
* Boolean flag that indicates whether this field is constrained
|
|
|
642 |
* to not be set to null.
|
|
|
643 |
* @return string DBMS specific SQL code portion that should be used to
|
|
|
644 |
* declare the specified field.
|
|
|
645 |
* @access protected
|
|
|
646 |
*/
|
|
|
647 |
function _getBooleanDeclaration($name, $field)
|
|
|
648 |
{
|
|
|
649 |
return $this->_getDeclaration($name, $field);
|
|
|
650 |
}
|
|
|
651 |
|
|
|
652 |
// }}}
|
|
|
653 |
// {{{ _getDateDeclaration()
|
|
|
654 |
|
|
|
655 |
/**
|
|
|
656 |
* Obtain DBMS specific SQL code portion needed to declare a date type
|
|
|
657 |
* field to be used in statements like CREATE TABLE.
|
|
|
658 |
*
|
|
|
659 |
* @param string $name name the field to be declared.
|
|
|
660 |
* @param array $field associative array with the name of the properties
|
|
|
661 |
* of the field being declared as array indexes. Currently, the types
|
|
|
662 |
* of supported field properties are as follows:
|
|
|
663 |
*
|
|
|
664 |
* default
|
|
|
665 |
* Date value to be used as default for this field.
|
|
|
666 |
*
|
|
|
667 |
* notnull
|
|
|
668 |
* Boolean flag that indicates whether this field is constrained
|
|
|
669 |
* to not be set to null.
|
|
|
670 |
* @return string DBMS specific SQL code portion that should be used to
|
|
|
671 |
* declare the specified field.
|
|
|
672 |
* @access protected
|
|
|
673 |
*/
|
|
|
674 |
function _getDateDeclaration($name, $field)
|
|
|
675 |
{
|
|
|
676 |
return $this->_getDeclaration($name, $field);
|
|
|
677 |
}
|
|
|
678 |
|
|
|
679 |
// }}}
|
|
|
680 |
// {{{ _getTimestampDeclaration()
|
|
|
681 |
|
|
|
682 |
/**
|
|
|
683 |
* Obtain DBMS specific SQL code portion needed to declare a timestamp
|
|
|
684 |
* field to be used in statements like CREATE TABLE.
|
|
|
685 |
*
|
|
|
686 |
* @param string $name name the field to be declared.
|
|
|
687 |
* @param array $field associative array with the name of the properties
|
|
|
688 |
* of the field being declared as array indexes. Currently, the types
|
|
|
689 |
* of supported field properties are as follows:
|
|
|
690 |
*
|
|
|
691 |
* default
|
|
|
692 |
* Timestamp value to be used as default for this field.
|
|
|
693 |
*
|
|
|
694 |
* notnull
|
|
|
695 |
* Boolean flag that indicates whether this field is constrained
|
|
|
696 |
* to not be set to null.
|
|
|
697 |
* @return string DBMS specific SQL code portion that should be used to
|
|
|
698 |
* declare the specified field.
|
|
|
699 |
* @access protected
|
|
|
700 |
*/
|
|
|
701 |
function _getTimestampDeclaration($name, $field)
|
|
|
702 |
{
|
|
|
703 |
return $this->_getDeclaration($name, $field);
|
|
|
704 |
}
|
|
|
705 |
|
|
|
706 |
// }}}
|
|
|
707 |
// {{{ _getTimeDeclaration()
|
|
|
708 |
|
|
|
709 |
/**
|
|
|
710 |
* Obtain DBMS specific SQL code portion needed to declare a time
|
|
|
711 |
* field to be used in statements like CREATE TABLE.
|
|
|
712 |
*
|
|
|
713 |
* @param string $name name the field to be declared.
|
|
|
714 |
* @param array $field associative array with the name of the properties
|
|
|
715 |
* of the field being declared as array indexes. Currently, the types
|
|
|
716 |
* of supported field properties are as follows:
|
|
|
717 |
*
|
|
|
718 |
* default
|
|
|
719 |
* Time value to be used as default for this field.
|
|
|
720 |
*
|
|
|
721 |
* notnull
|
|
|
722 |
* Boolean flag that indicates whether this field is constrained
|
|
|
723 |
* to not be set to null.
|
|
|
724 |
* @return string DBMS specific SQL code portion that should be used to
|
|
|
725 |
* declare the specified field.
|
|
|
726 |
* @access protected
|
|
|
727 |
*/
|
|
|
728 |
function _getTimeDeclaration($name, $field)
|
|
|
729 |
{
|
|
|
730 |
return $this->_getDeclaration($name, $field);
|
|
|
731 |
}
|
|
|
732 |
|
|
|
733 |
// }}}
|
|
|
734 |
// {{{ _getFloatDeclaration()
|
|
|
735 |
|
|
|
736 |
/**
|
|
|
737 |
* Obtain DBMS specific SQL code portion needed to declare a float type
|
|
|
738 |
* field to be used in statements like CREATE TABLE.
|
|
|
739 |
*
|
|
|
740 |
* @param string $name name the field to be declared.
|
|
|
741 |
* @param array $field associative array with the name of the properties
|
|
|
742 |
* of the field being declared as array indexes. Currently, the types
|
|
|
743 |
* of supported field properties are as follows:
|
|
|
744 |
*
|
|
|
745 |
* default
|
|
|
746 |
* Float value to be used as default for this field.
|
|
|
747 |
*
|
|
|
748 |
* notnull
|
|
|
749 |
* Boolean flag that indicates whether this field is constrained
|
|
|
750 |
* to not be set to null.
|
|
|
751 |
* @return string DBMS specific SQL code portion that should be used to
|
|
|
752 |
* declare the specified field.
|
|
|
753 |
* @access protected
|
|
|
754 |
*/
|
|
|
755 |
function _getFloatDeclaration($name, $field)
|
|
|
756 |
{
|
|
|
757 |
return $this->_getDeclaration($name, $field);
|
|
|
758 |
}
|
|
|
759 |
|
|
|
760 |
// }}}
|
|
|
761 |
// {{{ _getDecimalDeclaration()
|
|
|
762 |
|
|
|
763 |
/**
|
|
|
764 |
* Obtain DBMS specific SQL code portion needed to declare a decimal type
|
|
|
765 |
* field to be used in statements like CREATE TABLE.
|
|
|
766 |
*
|
|
|
767 |
* @param string $name name the field to be declared.
|
|
|
768 |
* @param array $field associative array with the name of the properties
|
|
|
769 |
* of the field being declared as array indexes. Currently, the types
|
|
|
770 |
* of supported field properties are as follows:
|
|
|
771 |
*
|
|
|
772 |
* default
|
|
|
773 |
* Decimal value to be used as default for this field.
|
|
|
774 |
*
|
|
|
775 |
* notnull
|
|
|
776 |
* Boolean flag that indicates whether this field is constrained
|
|
|
777 |
* to not be set to null.
|
|
|
778 |
* @return string DBMS specific SQL code portion that should be used to
|
|
|
779 |
* declare the specified field.
|
|
|
780 |
* @access protected
|
|
|
781 |
*/
|
|
|
782 |
function _getDecimalDeclaration($name, $field)
|
|
|
783 |
{
|
|
|
784 |
return $this->_getDeclaration($name, $field);
|
|
|
785 |
}
|
|
|
786 |
|
|
|
787 |
// }}}
|
|
|
788 |
// {{{ compareDefinition()
|
|
|
789 |
|
|
|
790 |
/**
|
|
|
791 |
* Obtain an array of changes that may need to applied
|
|
|
792 |
*
|
|
|
793 |
* @param array $current new definition
|
|
|
794 |
* @param array $previous old definition
|
|
|
795 |
* @return array containing all changes that will need to be applied
|
|
|
796 |
* @access public
|
|
|
797 |
*/
|
|
|
798 |
function compareDefinition($current, $previous)
|
|
|
799 |
{
|
|
|
800 |
$type = !empty($current['type']) ? $current['type'] : null;
|
|
|
801 |
|
|
|
802 |
if (!method_exists($this, "_compare{$type}Definition")) {
|
|
|
803 |
$db =& $this->getDBInstance();
|
|
|
804 |
if (PEAR::isError($db)) {
|
|
|
805 |
return $db;
|
|
|
806 |
}
|
|
|
807 |
|
|
|
808 |
return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
809 |
'type "'.$current['type'].'" is not yet supported', __FUNCTION__);
|
|
|
810 |
}
|
|
|
811 |
|
|
|
812 |
if (empty($previous['type']) || $previous['type'] != $type) {
|
|
|
813 |
return $current;
|
|
|
814 |
}
|
|
|
815 |
|
|
|
816 |
$change = $this->{"_compare{$type}Definition"}($current, $previous);
|
|
|
817 |
|
|
|
818 |
if ($previous['type'] != $type) {
|
|
|
819 |
$change['type'] = true;
|
|
|
820 |
}
|
|
|
821 |
|
|
|
822 |
$previous_notnull = !empty($previous['notnull']) ? $previous['notnull'] : false;
|
|
|
823 |
$notnull = !empty($current['notnull']) ? $current['notnull'] : false;
|
|
|
824 |
if ($previous_notnull != $notnull) {
|
|
|
825 |
$change['notnull'] = true;
|
|
|
826 |
}
|
|
|
827 |
|
|
|
828 |
$previous_default = array_key_exists('default', $previous) ? $previous['default'] :
|
|
|
829 |
($previous_notnull ? '' : null);
|
|
|
830 |
$default = array_key_exists('default', $current) ? $current['default'] :
|
|
|
831 |
($notnull ? '' : null);
|
|
|
832 |
if ($previous_default !== $default) {
|
|
|
833 |
$change['default'] = true;
|
|
|
834 |
}
|
|
|
835 |
|
|
|
836 |
return $change;
|
|
|
837 |
}
|
|
|
838 |
|
|
|
839 |
// }}}
|
|
|
840 |
// {{{ _compareIntegerDefinition()
|
|
|
841 |
|
|
|
842 |
/**
|
|
|
843 |
* Obtain an array of changes that may need to applied to an integer field
|
|
|
844 |
*
|
|
|
845 |
* @param array $current new definition
|
|
|
846 |
* @param array $previous old definition
|
|
|
847 |
* @return array containing all changes that will need to be applied
|
|
|
848 |
* @access protected
|
|
|
849 |
*/
|
|
|
850 |
function _compareIntegerDefinition($current, $previous)
|
|
|
851 |
{
|
|
|
852 |
$change = array();
|
|
|
853 |
$previous_unsigned = !empty($previous['unsigned']) ? $previous['unsigned'] : false;
|
|
|
854 |
$unsigned = !empty($current['unsigned']) ? $current['unsigned'] : false;
|
|
|
855 |
if ($previous_unsigned != $unsigned) {
|
|
|
856 |
$change['unsigned'] = true;
|
|
|
857 |
}
|
|
|
858 |
$previous_autoincrement = !empty($previous['autoincrement']) ? $previous['autoincrement'] : false;
|
|
|
859 |
$autoincrement = !empty($current['autoincrement']) ? $current['autoincrement'] : false;
|
|
|
860 |
if ($previous_autoincrement != $autoincrement) {
|
|
|
861 |
$change['autoincrement'] = true;
|
|
|
862 |
}
|
|
|
863 |
return $change;
|
|
|
864 |
}
|
|
|
865 |
|
|
|
866 |
// }}}
|
|
|
867 |
// {{{ _compareTextDefinition()
|
|
|
868 |
|
|
|
869 |
/**
|
|
|
870 |
* Obtain an array of changes that may need to applied to an text field
|
|
|
871 |
*
|
|
|
872 |
* @param array $current new definition
|
|
|
873 |
* @param array $previous old definition
|
|
|
874 |
* @return array containing all changes that will need to be applied
|
|
|
875 |
* @access protected
|
|
|
876 |
*/
|
|
|
877 |
function _compareTextDefinition($current, $previous)
|
|
|
878 |
{
|
|
|
879 |
$change = array();
|
|
|
880 |
$previous_length = !empty($previous['length']) ? $previous['length'] : 0;
|
|
|
881 |
$length = !empty($current['length']) ? $current['length'] : 0;
|
|
|
882 |
if ($previous_length != $length) {
|
|
|
883 |
$change['length'] = true;
|
|
|
884 |
}
|
|
|
885 |
$previous_fixed = !empty($previous['fixed']) ? $previous['fixed'] : 0;
|
|
|
886 |
$fixed = !empty($current['fixed']) ? $current['fixed'] : 0;
|
|
|
887 |
if ($previous_fixed != $fixed) {
|
|
|
888 |
$change['fixed'] = true;
|
|
|
889 |
}
|
|
|
890 |
return $change;
|
|
|
891 |
}
|
|
|
892 |
|
|
|
893 |
// }}}
|
|
|
894 |
// {{{ _compareCLOBDefinition()
|
|
|
895 |
|
|
|
896 |
/**
|
|
|
897 |
* Obtain an array of changes that may need to applied to an CLOB field
|
|
|
898 |
*
|
|
|
899 |
* @param array $current new definition
|
|
|
900 |
* @param array $previous old definition
|
|
|
901 |
* @return array containing all changes that will need to be applied
|
|
|
902 |
* @access protected
|
|
|
903 |
*/
|
|
|
904 |
function _compareCLOBDefinition($current, $previous)
|
|
|
905 |
{
|
|
|
906 |
return $this->_compareTextDefinition($current, $previous);
|
|
|
907 |
}
|
|
|
908 |
|
|
|
909 |
// }}}
|
|
|
910 |
// {{{ _compareBLOBDefinition()
|
|
|
911 |
|
|
|
912 |
/**
|
|
|
913 |
* Obtain an array of changes that may need to applied to an BLOB field
|
|
|
914 |
*
|
|
|
915 |
* @param array $current new definition
|
|
|
916 |
* @param array $previous old definition
|
|
|
917 |
* @return array containing all changes that will need to be applied
|
|
|
918 |
* @access protected
|
|
|
919 |
*/
|
|
|
920 |
function _compareBLOBDefinition($current, $previous)
|
|
|
921 |
{
|
|
|
922 |
return $this->_compareTextDefinition($current, $previous);
|
|
|
923 |
}
|
|
|
924 |
|
|
|
925 |
// }}}
|
|
|
926 |
// {{{ _compareDateDefinition()
|
|
|
927 |
|
|
|
928 |
/**
|
|
|
929 |
* Obtain an array of changes that may need to applied to an date field
|
|
|
930 |
*
|
|
|
931 |
* @param array $current new definition
|
|
|
932 |
* @param array $previous old definition
|
|
|
933 |
* @return array containing all changes that will need to be applied
|
|
|
934 |
* @access protected
|
|
|
935 |
*/
|
|
|
936 |
function _compareDateDefinition($current, $previous)
|
|
|
937 |
{
|
|
|
938 |
return array();
|
|
|
939 |
}
|
|
|
940 |
|
|
|
941 |
// }}}
|
|
|
942 |
// {{{ _compareTimeDefinition()
|
|
|
943 |
|
|
|
944 |
/**
|
|
|
945 |
* Obtain an array of changes that may need to applied to an time field
|
|
|
946 |
*
|
|
|
947 |
* @param array $current new definition
|
|
|
948 |
* @param array $previous old definition
|
|
|
949 |
* @return array containing all changes that will need to be applied
|
|
|
950 |
* @access protected
|
|
|
951 |
*/
|
|
|
952 |
function _compareTimeDefinition($current, $previous)
|
|
|
953 |
{
|
|
|
954 |
return array();
|
|
|
955 |
}
|
|
|
956 |
|
|
|
957 |
// }}}
|
|
|
958 |
// {{{ _compareTimestampDefinition()
|
|
|
959 |
|
|
|
960 |
/**
|
|
|
961 |
* Obtain an array of changes that may need to applied to an timestamp field
|
|
|
962 |
*
|
|
|
963 |
* @param array $current new definition
|
|
|
964 |
* @param array $previous old definition
|
|
|
965 |
* @return array containing all changes that will need to be applied
|
|
|
966 |
* @access protected
|
|
|
967 |
*/
|
|
|
968 |
function _compareTimestampDefinition($current, $previous)
|
|
|
969 |
{
|
|
|
970 |
return array();
|
|
|
971 |
}
|
|
|
972 |
|
|
|
973 |
// }}}
|
|
|
974 |
// {{{ _compareBooleanDefinition()
|
|
|
975 |
|
|
|
976 |
/**
|
|
|
977 |
* Obtain an array of changes that may need to applied to an boolean field
|
|
|
978 |
*
|
|
|
979 |
* @param array $current new definition
|
|
|
980 |
* @param array $previous old definition
|
|
|
981 |
* @return array containing all changes that will need to be applied
|
|
|
982 |
* @access protected
|
|
|
983 |
*/
|
|
|
984 |
function _compareBooleanDefinition($current, $previous)
|
|
|
985 |
{
|
|
|
986 |
return array();
|
|
|
987 |
}
|
|
|
988 |
|
|
|
989 |
// }}}
|
|
|
990 |
// {{{ _compareFloatDefinition()
|
|
|
991 |
|
|
|
992 |
/**
|
|
|
993 |
* Obtain an array of changes that may need to applied to an float field
|
|
|
994 |
*
|
|
|
995 |
* @param array $current new definition
|
|
|
996 |
* @param array $previous old definition
|
|
|
997 |
* @return array containing all changes that will need to be applied
|
|
|
998 |
* @access protected
|
|
|
999 |
*/
|
|
|
1000 |
function _compareFloatDefinition($current, $previous)
|
|
|
1001 |
{
|
|
|
1002 |
return array();
|
|
|
1003 |
}
|
|
|
1004 |
|
|
|
1005 |
// }}}
|
|
|
1006 |
// {{{ _compareDecimalDefinition()
|
|
|
1007 |
|
|
|
1008 |
/**
|
|
|
1009 |
* Obtain an array of changes that may need to applied to an decimal field
|
|
|
1010 |
*
|
|
|
1011 |
* @param array $current new definition
|
|
|
1012 |
* @param array $previous old definition
|
|
|
1013 |
* @return array containing all changes that will need to be applied
|
|
|
1014 |
* @access protected
|
|
|
1015 |
*/
|
|
|
1016 |
function _compareDecimalDefinition($current, $previous)
|
|
|
1017 |
{
|
|
|
1018 |
return array();
|
|
|
1019 |
}
|
|
|
1020 |
|
|
|
1021 |
// }}}
|
|
|
1022 |
// {{{ quote()
|
|
|
1023 |
|
|
|
1024 |
/**
|
|
|
1025 |
* Convert a text value into a DBMS specific format that is suitable to
|
|
|
1026 |
* compose query statements.
|
|
|
1027 |
*
|
|
|
1028 |
* @param string $value text string value that is intended to be converted.
|
|
|
1029 |
* @param string $type type to which the value should be converted to
|
|
|
1030 |
* @param bool $quote determines if the value should be quoted and escaped
|
|
|
1031 |
* @param bool $escape_wildcards if to escape escape wildcards
|
|
|
1032 |
* @return string text string that represents the given argument value in
|
|
|
1033 |
* a DBMS specific format.
|
|
|
1034 |
* @access public
|
|
|
1035 |
*/
|
|
|
1036 |
function quote($value, $type = null, $quote = true, $escape_wildcards = false)
|
|
|
1037 |
{
|
|
|
1038 |
$db =& $this->getDBInstance();
|
|
|
1039 |
if (PEAR::isError($db)) {
|
|
|
1040 |
return $db;
|
|
|
1041 |
}
|
|
|
1042 |
|
|
|
1043 |
if (is_null($value)
|
|
|
1044 |
|| ($value === '' && $db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL)
|
|
|
1045 |
) {
|
|
|
1046 |
if (!$quote) {
|
|
|
1047 |
return null;
|
|
|
1048 |
}
|
|
|
1049 |
return 'NULL';
|
|
|
1050 |
}
|
|
|
1051 |
|
|
|
1052 |
if (is_null($type)) {
|
|
|
1053 |
switch (gettype($value)) {
|
|
|
1054 |
case 'integer':
|
|
|
1055 |
$type = 'integer';
|
|
|
1056 |
break;
|
|
|
1057 |
case 'double':
|
|
|
1058 |
// todo: default to decimal as float is quite unusual
|
|
|
1059 |
// $type = 'float';
|
|
|
1060 |
$type = 'decimal';
|
|
|
1061 |
break;
|
|
|
1062 |
case 'boolean':
|
|
|
1063 |
$type = 'boolean';
|
|
|
1064 |
break;
|
|
|
1065 |
case 'array':
|
|
|
1066 |
$value = serialize($value);
|
|
|
1067 |
case 'object':
|
|
|
1068 |
$type = 'text';
|
|
|
1069 |
break;
|
|
|
1070 |
default:
|
|
|
1071 |
if (preg_match('/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}$/', $value)) {
|
|
|
1072 |
$type = 'timestamp';
|
|
|
1073 |
} elseif (preg_match('/^\d{2}:\d{2}$/', $value)) {
|
|
|
1074 |
$type = 'time';
|
|
|
1075 |
} elseif (preg_match('/^\d{4}-\d{2}-\d{2}$/', $value)) {
|
|
|
1076 |
$type = 'date';
|
|
|
1077 |
} else {
|
|
|
1078 |
$type = 'text';
|
|
|
1079 |
}
|
|
|
1080 |
break;
|
|
|
1081 |
}
|
|
|
1082 |
} elseif (!empty($db->options['datatype_map'][$type])) {
|
|
|
1083 |
$type = $db->options['datatype_map'][$type];
|
|
|
1084 |
if (!empty($db->options['datatype_map_callback'][$type])) {
|
|
|
1085 |
$parameter = array('type' => $type, 'value' => $value, 'quote' => $quote, 'escape_wildcards' => $escape_wildcards);
|
|
|
1086 |
return call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter));
|
|
|
1087 |
}
|
|
|
1088 |
}
|
|
|
1089 |
|
|
|
1090 |
if (!method_exists($this, "_quote{$type}")) {
|
|
|
1091 |
return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
1092 |
'type not defined: '.$type, __FUNCTION__);
|
|
|
1093 |
}
|
|
|
1094 |
$value = $this->{"_quote{$type}"}($value, $quote, $escape_wildcards);
|
|
|
1095 |
if ($quote && $escape_wildcards && $db->string_quoting['escape_pattern']
|
|
|
1096 |
&& $db->string_quoting['escape'] !== $db->string_quoting['escape_pattern']
|
|
|
1097 |
) {
|
|
|
1098 |
$value.= $this->patternEscapeString();
|
|
|
1099 |
}
|
|
|
1100 |
return $value;
|
|
|
1101 |
}
|
|
|
1102 |
|
|
|
1103 |
// }}}
|
|
|
1104 |
// {{{ _quoteInteger()
|
|
|
1105 |
|
|
|
1106 |
/**
|
|
|
1107 |
* Convert a text value into a DBMS specific format that is suitable to
|
|
|
1108 |
* compose query statements.
|
|
|
1109 |
*
|
|
|
1110 |
* @param string $value text string value that is intended to be converted.
|
|
|
1111 |
* @param bool $quote determines if the value should be quoted and escaped
|
|
|
1112 |
* @param bool $escape_wildcards if to escape escape wildcards
|
|
|
1113 |
* @return string text string that represents the given argument value in
|
|
|
1114 |
* a DBMS specific format.
|
|
|
1115 |
* @access protected
|
|
|
1116 |
*/
|
|
|
1117 |
function _quoteInteger($value, $quote, $escape_wildcards)
|
|
|
1118 |
{
|
|
|
1119 |
return (int)$value;
|
|
|
1120 |
}
|
|
|
1121 |
|
|
|
1122 |
// }}}
|
|
|
1123 |
// {{{ _quoteText()
|
|
|
1124 |
|
|
|
1125 |
/**
|
|
|
1126 |
* Convert a text value into a DBMS specific format that is suitable to
|
|
|
1127 |
* compose query statements.
|
|
|
1128 |
*
|
|
|
1129 |
* @param string $value text string value that is intended to be converted.
|
|
|
1130 |
* @param bool $quote determines if the value should be quoted and escaped
|
|
|
1131 |
* @param bool $escape_wildcards if to escape escape wildcards
|
|
|
1132 |
* @return string text string that already contains any DBMS specific
|
|
|
1133 |
* escaped character sequences.
|
|
|
1134 |
* @access protected
|
|
|
1135 |
*/
|
|
|
1136 |
function _quoteText($value, $quote, $escape_wildcards)
|
|
|
1137 |
{
|
|
|
1138 |
if (!$quote) {
|
|
|
1139 |
return $value;
|
|
|
1140 |
}
|
|
|
1141 |
|
|
|
1142 |
$db =& $this->getDBInstance();
|
|
|
1143 |
if (PEAR::isError($db)) {
|
|
|
1144 |
return $db;
|
|
|
1145 |
}
|
|
|
1146 |
|
|
|
1147 |
$value = $db->escape($value, $escape_wildcards);
|
|
|
1148 |
return "'".$value."'";
|
|
|
1149 |
}
|
|
|
1150 |
|
|
|
1151 |
// }}}
|
|
|
1152 |
// {{{ _readFile()
|
|
|
1153 |
|
|
|
1154 |
/**
|
|
|
1155 |
* Convert a text value into a DBMS specific format that is suitable to
|
|
|
1156 |
* compose query statements.
|
|
|
1157 |
*
|
|
|
1158 |
* @param string $value text string value that is intended to be converted.
|
|
|
1159 |
* @return string text string that represents the given argument value in
|
|
|
1160 |
* a DBMS specific format.
|
|
|
1161 |
* @access protected
|
|
|
1162 |
*/
|
|
|
1163 |
function _readFile($value)
|
|
|
1164 |
{
|
|
|
1165 |
$close = false;
|
|
|
1166 |
if (preg_match('/^(\w+:\/\/)(.*)$/', $value, $match)) {
|
|
|
1167 |
$close = true;
|
|
|
1168 |
if ($match[1] == 'file://') {
|
|
|
1169 |
$value = $match[2];
|
|
|
1170 |
}
|
|
|
1171 |
$value = @fopen($value, 'r');
|
|
|
1172 |
}
|
|
|
1173 |
|
|
|
1174 |
if (is_resource($value)) {
|
|
|
1175 |
$db =& $this->getDBInstance();
|
|
|
1176 |
if (PEAR::isError($db)) {
|
|
|
1177 |
return $db;
|
|
|
1178 |
}
|
|
|
1179 |
|
|
|
1180 |
$fp = $value;
|
|
|
1181 |
$value = '';
|
|
|
1182 |
while (!@feof($fp)) {
|
|
|
1183 |
$value.= @fread($fp, $db->options['lob_buffer_length']);
|
|
|
1184 |
}
|
|
|
1185 |
if ($close) {
|
|
|
1186 |
@fclose($fp);
|
|
|
1187 |
}
|
|
|
1188 |
}
|
|
|
1189 |
|
|
|
1190 |
return $value;
|
|
|
1191 |
}
|
|
|
1192 |
|
|
|
1193 |
// }}}
|
|
|
1194 |
// {{{ _quoteLOB()
|
|
|
1195 |
|
|
|
1196 |
/**
|
|
|
1197 |
* Convert a text value into a DBMS specific format that is suitable to
|
|
|
1198 |
* compose query statements.
|
|
|
1199 |
*
|
|
|
1200 |
* @param string $value text string value that is intended to be converted.
|
|
|
1201 |
* @param bool $quote determines if the value should be quoted and escaped
|
|
|
1202 |
* @param bool $escape_wildcards if to escape escape wildcards
|
|
|
1203 |
* @return string text string that represents the given argument value in
|
|
|
1204 |
* a DBMS specific format.
|
|
|
1205 |
* @access protected
|
|
|
1206 |
*/
|
|
|
1207 |
function _quoteLOB($value, $quote, $escape_wildcards)
|
|
|
1208 |
{
|
|
|
1209 |
$value = $this->_readFile($value);
|
|
|
1210 |
return $this->_quoteText($value, $quote, $escape_wildcards);
|
|
|
1211 |
}
|
|
|
1212 |
|
|
|
1213 |
// }}}
|
|
|
1214 |
// {{{ _quoteCLOB()
|
|
|
1215 |
|
|
|
1216 |
/**
|
|
|
1217 |
* Convert a text value into a DBMS specific format that is suitable to
|
|
|
1218 |
* compose query statements.
|
|
|
1219 |
*
|
|
|
1220 |
* @param string $value text string value that is intended to be converted.
|
|
|
1221 |
* @param bool $quote determines if the value should be quoted and escaped
|
|
|
1222 |
* @param bool $escape_wildcards if to escape escape wildcards
|
|
|
1223 |
* @return string text string that represents the given argument value in
|
|
|
1224 |
* a DBMS specific format.
|
|
|
1225 |
* @access protected
|
|
|
1226 |
*/
|
|
|
1227 |
function _quoteCLOB($value, $quote, $escape_wildcards)
|
|
|
1228 |
{
|
|
|
1229 |
return $this->_quoteLOB($value, $quote, $escape_wildcards);
|
|
|
1230 |
}
|
|
|
1231 |
|
|
|
1232 |
// }}}
|
|
|
1233 |
// {{{ _quoteBLOB()
|
|
|
1234 |
|
|
|
1235 |
/**
|
|
|
1236 |
* Convert a text value into a DBMS specific format that is suitable to
|
|
|
1237 |
* compose query statements.
|
|
|
1238 |
*
|
|
|
1239 |
* @param string $value text string value that is intended to be converted.
|
|
|
1240 |
* @param bool $quote determines if the value should be quoted and escaped
|
|
|
1241 |
* @param bool $escape_wildcards if to escape escape wildcards
|
|
|
1242 |
* @return string text string that represents the given argument value in
|
|
|
1243 |
* a DBMS specific format.
|
|
|
1244 |
* @access protected
|
|
|
1245 |
*/
|
|
|
1246 |
function _quoteBLOB($value, $quote, $escape_wildcards)
|
|
|
1247 |
{
|
|
|
1248 |
return $this->_quoteLOB($value, $quote, $escape_wildcards);
|
|
|
1249 |
}
|
|
|
1250 |
|
|
|
1251 |
// }}}
|
|
|
1252 |
// {{{ _quoteBoolean()
|
|
|
1253 |
|
|
|
1254 |
/**
|
|
|
1255 |
* Convert a text value into a DBMS specific format that is suitable to
|
|
|
1256 |
* compose query statements.
|
|
|
1257 |
*
|
|
|
1258 |
* @param string $value text string value that is intended to be converted.
|
|
|
1259 |
* @param bool $quote determines if the value should be quoted and escaped
|
|
|
1260 |
* @param bool $escape_wildcards if to escape escape wildcards
|
|
|
1261 |
* @return string text string that represents the given argument value in
|
|
|
1262 |
* a DBMS specific format.
|
|
|
1263 |
* @access protected
|
|
|
1264 |
*/
|
|
|
1265 |
function _quoteBoolean($value, $quote, $escape_wildcards)
|
|
|
1266 |
{
|
|
|
1267 |
return ($value ? 1 : 0);
|
|
|
1268 |
}
|
|
|
1269 |
|
|
|
1270 |
// }}}
|
|
|
1271 |
// {{{ _quoteDate()
|
|
|
1272 |
|
|
|
1273 |
/**
|
|
|
1274 |
* Convert a text value into a DBMS specific format that is suitable to
|
|
|
1275 |
* compose query statements.
|
|
|
1276 |
*
|
|
|
1277 |
* @param string $value text string value that is intended to be converted.
|
|
|
1278 |
* @param bool $quote determines if the value should be quoted and escaped
|
|
|
1279 |
* @param bool $escape_wildcards if to escape escape wildcards
|
|
|
1280 |
* @return string text string that represents the given argument value in
|
|
|
1281 |
* a DBMS specific format.
|
|
|
1282 |
* @access protected
|
|
|
1283 |
*/
|
|
|
1284 |
function _quoteDate($value, $quote, $escape_wildcards)
|
|
|
1285 |
{
|
|
|
1286 |
if ($value === 'CURRENT_DATE') {
|
|
|
1287 |
$db =& $this->getDBInstance();
|
|
|
1288 |
if (PEAR::isError($db)) {
|
|
|
1289 |
return $db;
|
|
|
1290 |
}
|
|
|
1291 |
if (isset($db->function) && is_a($db->function, 'MDB2_Driver_Function_Common')) {
|
|
|
1292 |
return $db->function->now('date');
|
|
|
1293 |
}
|
|
|
1294 |
return 'CURRENT_DATE';
|
|
|
1295 |
}
|
|
|
1296 |
return $this->_quoteText($value, $quote, $escape_wildcards);
|
|
|
1297 |
}
|
|
|
1298 |
|
|
|
1299 |
// }}}
|
|
|
1300 |
// {{{ _quoteTimestamp()
|
|
|
1301 |
|
|
|
1302 |
/**
|
|
|
1303 |
* Convert a text value into a DBMS specific format that is suitable to
|
|
|
1304 |
* compose query statements.
|
|
|
1305 |
*
|
|
|
1306 |
* @param string $value text string value that is intended to be converted.
|
|
|
1307 |
* @param bool $quote determines if the value should be quoted and escaped
|
|
|
1308 |
* @param bool $escape_wildcards if to escape escape wildcards
|
|
|
1309 |
* @return string text string that represents the given argument value in
|
|
|
1310 |
* a DBMS specific format.
|
|
|
1311 |
* @access protected
|
|
|
1312 |
*/
|
|
|
1313 |
function _quoteTimestamp($value, $quote, $escape_wildcards)
|
|
|
1314 |
{
|
|
|
1315 |
if ($value === 'CURRENT_TIMESTAMP') {
|
|
|
1316 |
$db =& $this->getDBInstance();
|
|
|
1317 |
if (PEAR::isError($db)) {
|
|
|
1318 |
return $db;
|
|
|
1319 |
}
|
|
|
1320 |
if (isset($db->function) && is_a($db->function, 'MDB2_Driver_Function_Common')) {
|
|
|
1321 |
return $db->function->now('timestamp');
|
|
|
1322 |
}
|
|
|
1323 |
return 'CURRENT_TIMESTAMP';
|
|
|
1324 |
}
|
|
|
1325 |
return $this->_quoteText($value, $quote, $escape_wildcards);
|
|
|
1326 |
}
|
|
|
1327 |
|
|
|
1328 |
// }}}
|
|
|
1329 |
// {{{ _quoteTime()
|
|
|
1330 |
|
|
|
1331 |
/**
|
|
|
1332 |
* Convert a text value into a DBMS specific format that is suitable to
|
|
|
1333 |
* compose query statements.
|
|
|
1334 |
*
|
|
|
1335 |
* @param string $value text string value that is intended to be converted.
|
|
|
1336 |
* @param bool $quote determines if the value should be quoted and escaped
|
|
|
1337 |
* @param bool $escape_wildcards if to escape escape wildcards
|
|
|
1338 |
* @return string text string that represents the given argument value in
|
|
|
1339 |
* a DBMS specific format.
|
|
|
1340 |
* @access protected
|
|
|
1341 |
*/
|
|
|
1342 |
function _quoteTime($value, $quote, $escape_wildcards)
|
|
|
1343 |
{
|
|
|
1344 |
if ($value === 'CURRENT_TIME') {
|
|
|
1345 |
$db =& $this->getDBInstance();
|
|
|
1346 |
if (PEAR::isError($db)) {
|
|
|
1347 |
return $db;
|
|
|
1348 |
}
|
|
|
1349 |
if (isset($db->function) && is_a($db->function, 'MDB2_Driver_Function_Common')) {
|
|
|
1350 |
return $db->function->now('time');
|
|
|
1351 |
}
|
|
|
1352 |
return 'CURRENT_TIME';
|
|
|
1353 |
}
|
|
|
1354 |
return $this->_quoteText($value, $quote, $escape_wildcards);
|
|
|
1355 |
}
|
|
|
1356 |
|
|
|
1357 |
// }}}
|
|
|
1358 |
// {{{ _quoteFloat()
|
|
|
1359 |
|
|
|
1360 |
/**
|
|
|
1361 |
* Convert a text value into a DBMS specific format that is suitable to
|
|
|
1362 |
* compose query statements.
|
|
|
1363 |
*
|
|
|
1364 |
* @param string $value text string value that is intended to be converted.
|
|
|
1365 |
* @param bool $quote determines if the value should be quoted and escaped
|
|
|
1366 |
* @param bool $escape_wildcards if to escape escape wildcards
|
|
|
1367 |
* @return string text string that represents the given argument value in
|
|
|
1368 |
* a DBMS specific format.
|
|
|
1369 |
* @access protected
|
|
|
1370 |
*/
|
|
|
1371 |
function _quoteFloat($value, $quote, $escape_wildcards)
|
|
|
1372 |
{
|
|
|
1373 |
if (preg_match('/^(.*)e([-+])(\d+)$/i', $value, $matches)) {
|
|
|
1374 |
$decimal = $this->_quoteDecimal($matches[1], $quote, $escape_wildcards);
|
|
|
1375 |
$sign = $matches[2];
|
|
|
1376 |
$exponent = str_pad($matches[3], 2, '0', STR_PAD_LEFT);
|
|
|
1377 |
$value = $decimal.'E'.$sign.$exponent;
|
|
|
1378 |
} else {
|
|
|
1379 |
$value = $this->_quoteDecimal($value, $quote, $escape_wildcards);
|
|
|
1380 |
}
|
|
|
1381 |
return $value;
|
|
|
1382 |
}
|
|
|
1383 |
|
|
|
1384 |
// }}}
|
|
|
1385 |
// {{{ _quoteDecimal()
|
|
|
1386 |
|
|
|
1387 |
/**
|
|
|
1388 |
* Convert a text value into a DBMS specific format that is suitable to
|
|
|
1389 |
* compose query statements.
|
|
|
1390 |
*
|
|
|
1391 |
* @param string $value text string value that is intended to be converted.
|
|
|
1392 |
* @param bool $quote determines if the value should be quoted and escaped
|
|
|
1393 |
* @param bool $escape_wildcards if to escape escape wildcards
|
|
|
1394 |
* @return string text string that represents the given argument value in
|
|
|
1395 |
* a DBMS specific format.
|
|
|
1396 |
* @access protected
|
|
|
1397 |
*/
|
|
|
1398 |
function _quoteDecimal($value, $quote, $escape_wildcards)
|
|
|
1399 |
{
|
|
|
1400 |
$value = (string)$value;
|
|
|
1401 |
if (preg_match('/[^.0-9]/', $value)) {
|
|
|
1402 |
if (strpos($value, ',')) {
|
|
|
1403 |
// 1000,00
|
|
|
1404 |
if (!strpos($value, '.')) {
|
|
|
1405 |
// convert the last "," to a "."
|
|
|
1406 |
$value = strrev(str_replace(',', '.', strrev($value)));
|
|
|
1407 |
// 1.000,00
|
|
|
1408 |
} elseif (strpos($value, '.') && strpos($value, '.') < strpos($value, ',')) {
|
|
|
1409 |
$value = str_replace('.', '', $value);
|
|
|
1410 |
// convert the last "," to a "."
|
|
|
1411 |
$value = strrev(str_replace(',', '.', strrev($value)));
|
|
|
1412 |
// 1,000.00
|
|
|
1413 |
} else {
|
|
|
1414 |
$value = str_replace(',', '', $value);
|
|
|
1415 |
}
|
|
|
1416 |
}
|
|
|
1417 |
}
|
|
|
1418 |
return $value;
|
|
|
1419 |
}
|
|
|
1420 |
|
|
|
1421 |
// }}}
|
|
|
1422 |
// {{{ writeLOBToFile()
|
|
|
1423 |
|
|
|
1424 |
/**
|
|
|
1425 |
* retrieve LOB from the database
|
|
|
1426 |
*
|
|
|
1427 |
* @param resource $lob stream handle
|
|
|
1428 |
* @param string $file name of the file into which the LOb should be fetched
|
|
|
1429 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
1430 |
* @access protected
|
|
|
1431 |
*/
|
|
|
1432 |
function writeLOBToFile($lob, $file)
|
|
|
1433 |
{
|
|
|
1434 |
$db =& $this->getDBInstance();
|
|
|
1435 |
if (PEAR::isError($db)) {
|
|
|
1436 |
return $db;
|
|
|
1437 |
}
|
|
|
1438 |
|
|
|
1439 |
if (preg_match('/^(\w+:\/\/)(.*)$/', $file, $match)) {
|
|
|
1440 |
if ($match[1] == 'file://') {
|
|
|
1441 |
$file = $match[2];
|
|
|
1442 |
}
|
|
|
1443 |
}
|
|
|
1444 |
|
|
|
1445 |
$fp = @fopen($file, 'wb');
|
|
|
1446 |
while (!@feof($lob)) {
|
|
|
1447 |
$result = @fread($lob, $db->options['lob_buffer_length']);
|
|
|
1448 |
$read = strlen($result);
|
|
|
1449 |
if (@fwrite($fp, $result, $read) != $read) {
|
|
|
1450 |
@fclose($fp);
|
|
|
1451 |
return $db->raiseError(MDB2_ERROR, null, null,
|
|
|
1452 |
'could not write to the output file', __FUNCTION__);
|
|
|
1453 |
}
|
|
|
1454 |
}
|
|
|
1455 |
@fclose($fp);
|
|
|
1456 |
return MDB2_OK;
|
|
|
1457 |
}
|
|
|
1458 |
|
|
|
1459 |
// }}}
|
|
|
1460 |
// {{{ _retrieveLOB()
|
|
|
1461 |
|
|
|
1462 |
/**
|
|
|
1463 |
* retrieve LOB from the database
|
|
|
1464 |
*
|
|
|
1465 |
* @param array $lob array
|
|
|
1466 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
1467 |
* @access protected
|
|
|
1468 |
*/
|
|
|
1469 |
function _retrieveLOB(&$lob)
|
|
|
1470 |
{
|
|
|
1471 |
if (is_null($lob['value'])) {
|
|
|
1472 |
$lob['value'] = $lob['resource'];
|
|
|
1473 |
}
|
|
|
1474 |
$lob['loaded'] = true;
|
|
|
1475 |
return MDB2_OK;
|
|
|
1476 |
}
|
|
|
1477 |
|
|
|
1478 |
// }}}
|
|
|
1479 |
// {{{ readLOB()
|
|
|
1480 |
|
|
|
1481 |
/**
|
|
|
1482 |
* Read data from large object input stream.
|
|
|
1483 |
*
|
|
|
1484 |
* @param resource $lob stream handle
|
|
|
1485 |
* @param string $data reference to a variable that will hold data
|
|
|
1486 |
* to be read from the large object input stream
|
|
|
1487 |
* @param integer $length value that indicates the largest ammount ofdata
|
|
|
1488 |
* to be read from the large object input stream.
|
|
|
1489 |
* @return mixed the effective number of bytes read from the large object
|
|
|
1490 |
* input stream on sucess or an MDB2 error object.
|
|
|
1491 |
* @access public
|
|
|
1492 |
* @see endOfLOB()
|
|
|
1493 |
*/
|
|
|
1494 |
function _readLOB($lob, $length)
|
|
|
1495 |
{
|
|
|
1496 |
return substr($lob['value'], $lob['position'], $length);
|
|
|
1497 |
}
|
|
|
1498 |
|
|
|
1499 |
// }}}
|
|
|
1500 |
// {{{ _endOfLOB()
|
|
|
1501 |
|
|
|
1502 |
/**
|
|
|
1503 |
* Determine whether it was reached the end of the large object and
|
|
|
1504 |
* therefore there is no more data to be read for the its input stream.
|
|
|
1505 |
*
|
|
|
1506 |
* @param array $lob array
|
|
|
1507 |
* @return mixed true or false on success, a MDB2 error on failure
|
|
|
1508 |
* @access protected
|
|
|
1509 |
*/
|
|
|
1510 |
function _endOfLOB($lob)
|
|
|
1511 |
{
|
|
|
1512 |
return $lob['endOfLOB'];
|
|
|
1513 |
}
|
|
|
1514 |
|
|
|
1515 |
// }}}
|
|
|
1516 |
// {{{ destroyLOB()
|
|
|
1517 |
|
|
|
1518 |
/**
|
|
|
1519 |
* Free any resources allocated during the lifetime of the large object
|
|
|
1520 |
* handler object.
|
|
|
1521 |
*
|
|
|
1522 |
* @param resource $lob stream handle
|
|
|
1523 |
* @access public
|
|
|
1524 |
*/
|
|
|
1525 |
function destroyLOB($lob)
|
|
|
1526 |
{
|
|
|
1527 |
$lob_data = stream_get_meta_data($lob);
|
|
|
1528 |
$lob_index = $lob_data['wrapper_data']->lob_index;
|
|
|
1529 |
fclose($lob);
|
|
|
1530 |
if (isset($this->lobs[$lob_index])) {
|
|
|
1531 |
$this->_destroyLOB($this->lobs[$lob_index]);
|
|
|
1532 |
unset($this->lobs[$lob_index]);
|
|
|
1533 |
}
|
|
|
1534 |
return MDB2_OK;
|
|
|
1535 |
}
|
|
|
1536 |
|
|
|
1537 |
// }}}
|
|
|
1538 |
// {{{ _destroyLOB()
|
|
|
1539 |
|
|
|
1540 |
/**
|
|
|
1541 |
* Free any resources allocated during the lifetime of the large object
|
|
|
1542 |
* handler object.
|
|
|
1543 |
*
|
|
|
1544 |
* @param array $lob array
|
|
|
1545 |
* @access private
|
|
|
1546 |
*/
|
|
|
1547 |
function _destroyLOB(&$lob)
|
|
|
1548 |
{
|
|
|
1549 |
return MDB2_OK;
|
|
|
1550 |
}
|
|
|
1551 |
|
|
|
1552 |
// }}}
|
|
|
1553 |
// {{{ implodeArray()
|
|
|
1554 |
|
|
|
1555 |
/**
|
|
|
1556 |
* apply a type to all values of an array and return as a comma seperated string
|
|
|
1557 |
* useful for generating IN statements
|
|
|
1558 |
*
|
|
|
1559 |
* @access public
|
|
|
1560 |
*
|
|
|
1561 |
* @param array $array data array
|
|
|
1562 |
* @param string $type determines type of the field
|
|
|
1563 |
*
|
|
|
1564 |
* @return string comma seperated values
|
|
|
1565 |
*/
|
|
|
1566 |
function implodeArray($array, $type = false)
|
|
|
1567 |
{
|
|
|
1568 |
if (!is_array($array) || empty($array)) {
|
|
|
1569 |
return 'NULL';
|
|
|
1570 |
}
|
|
|
1571 |
if ($type) {
|
|
|
1572 |
foreach ($array as $value) {
|
|
|
1573 |
$return[] = $this->quote($value, $type);
|
|
|
1574 |
}
|
|
|
1575 |
} else {
|
|
|
1576 |
$return = $array;
|
|
|
1577 |
}
|
|
|
1578 |
return implode(', ', $return);
|
|
|
1579 |
}
|
|
|
1580 |
|
|
|
1581 |
// }}}
|
|
|
1582 |
// {{{ matchPattern()
|
|
|
1583 |
|
|
|
1584 |
/**
|
|
|
1585 |
* build a pattern matching string
|
|
|
1586 |
*
|
|
|
1587 |
* EXPERIMENTAL
|
|
|
1588 |
*
|
|
|
1589 |
* WARNING: this function is experimental and may change signature at
|
|
|
1590 |
* any time until labelled as non-experimental
|
|
|
1591 |
*
|
|
|
1592 |
* @access public
|
|
|
1593 |
*
|
|
|
1594 |
* @param array $pattern even keys are strings, odd are patterns (% and _)
|
|
|
1595 |
* @param string $operator optional pattern operator (LIKE, ILIKE and maybe others in the future)
|
|
|
1596 |
* @param string $field optional field name that is being matched against
|
|
|
1597 |
* (might be required when emulating ILIKE)
|
|
|
1598 |
*
|
|
|
1599 |
* @return string SQL pattern
|
|
|
1600 |
*/
|
|
|
1601 |
function matchPattern($pattern, $operator = null, $field = null)
|
|
|
1602 |
{
|
|
|
1603 |
$db =& $this->getDBInstance();
|
|
|
1604 |
if (PEAR::isError($db)) {
|
|
|
1605 |
return $db;
|
|
|
1606 |
}
|
|
|
1607 |
|
|
|
1608 |
$match = '';
|
|
|
1609 |
if (!is_null($operator)) {
|
|
|
1610 |
$operator = strtoupper($operator);
|
|
|
1611 |
switch ($operator) {
|
|
|
1612 |
// case insensitive
|
|
|
1613 |
case 'ILIKE':
|
|
|
1614 |
if (is_null($field)) {
|
|
|
1615 |
return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
1616 |
'case insensitive LIKE matching requires passing the field name', __FUNCTION__);
|
|
|
1617 |
}
|
|
|
1618 |
$db->loadModule('Function', null, true);
|
|
|
1619 |
$match = $db->function->lower($field).' '.'LIKE ';
|
|
|
1620 |
break;
|
|
|
1621 |
// case sensitive
|
|
|
1622 |
case 'LIKE':
|
|
|
1623 |
$match = is_null($field) ? 'LIKE ' : $field.' LIKE ';
|
|
|
1624 |
break;
|
|
|
1625 |
default:
|
|
|
1626 |
return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
1627 |
'not a supported operator type:'. $operator, __FUNCTION__);
|
|
|
1628 |
}
|
|
|
1629 |
}
|
|
|
1630 |
$match.= "'";
|
|
|
1631 |
foreach ($pattern as $key => $value) {
|
|
|
1632 |
if ($key % 2) {
|
|
|
1633 |
$match.= $value;
|
|
|
1634 |
} else {
|
|
|
1635 |
if ($operator === 'ILIKE') {
|
|
|
1636 |
$value = strtolower($value);
|
|
|
1637 |
}
|
|
|
1638 |
$match.= $db->escapePattern($db->escape($value));
|
|
|
1639 |
}
|
|
|
1640 |
}
|
|
|
1641 |
$match.= "'";
|
|
|
1642 |
$match.= $this->patternEscapeString();
|
|
|
1643 |
return $match;
|
|
|
1644 |
}
|
|
|
1645 |
|
|
|
1646 |
// }}}
|
|
|
1647 |
// {{{ patternEscapeString()
|
|
|
1648 |
|
|
|
1649 |
/**
|
|
|
1650 |
* build string to define pattern escape character
|
|
|
1651 |
*
|
|
|
1652 |
* EXPERIMENTAL
|
|
|
1653 |
*
|
|
|
1654 |
* WARNING: this function is experimental and may change signature at
|
|
|
1655 |
* any time until labelled as non-experimental
|
|
|
1656 |
*
|
|
|
1657 |
* @access public
|
|
|
1658 |
*
|
|
|
1659 |
* @return string define pattern escape character
|
|
|
1660 |
*/
|
|
|
1661 |
function patternEscapeString()
|
|
|
1662 |
{
|
|
|
1663 |
return '';
|
|
|
1664 |
}
|
|
|
1665 |
|
|
|
1666 |
// }}}
|
|
|
1667 |
// {{{ mapNativeDatatype()
|
|
|
1668 |
|
|
|
1669 |
/**
|
|
|
1670 |
* Maps a native array description of a field to a MDB2 datatype and length
|
|
|
1671 |
*
|
|
|
1672 |
* @param array $field native field description
|
|
|
1673 |
* @return array containing the various possible types, length, sign, fixed
|
|
|
1674 |
* @access public
|
|
|
1675 |
*/
|
|
|
1676 |
function mapNativeDatatype($field)
|
|
|
1677 |
{
|
|
|
1678 |
$db =& $this->getDBInstance();
|
|
|
1679 |
if (PEAR::isError($db)) {
|
|
|
1680 |
return $db;
|
|
|
1681 |
}
|
|
|
1682 |
|
|
|
1683 |
return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
1684 |
'method not implemented', __FUNCTION__);
|
|
|
1685 |
}
|
|
|
1686 |
|
|
|
1687 |
// }}}
|
|
|
1688 |
// {{{ mapPrepareDatatype()
|
|
|
1689 |
|
|
|
1690 |
/**
|
|
|
1691 |
* Maps an mdb2 datatype to mysqli prepare type
|
|
|
1692 |
*
|
|
|
1693 |
* @param string $type
|
|
|
1694 |
* @return string
|
|
|
1695 |
* @access public
|
|
|
1696 |
*/
|
|
|
1697 |
function mapPrepareDatatype($type)
|
|
|
1698 |
{
|
|
|
1699 |
$db =& $this->getDBInstance();
|
|
|
1700 |
if (PEAR::isError($db)) {
|
|
|
1701 |
return $db;
|
|
|
1702 |
}
|
|
|
1703 |
|
|
|
1704 |
if (!empty($db->options['datatype_map'][$type])) {
|
|
|
1705 |
$type = $db->options['datatype_map'][$type];
|
|
|
1706 |
if (!empty($db->options['datatype_map_callback'][$type])) {
|
|
|
1707 |
$parameter = array('type' => $type);
|
|
|
1708 |
return call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter));
|
|
|
1709 |
}
|
|
|
1710 |
}
|
|
|
1711 |
|
|
|
1712 |
return $type;
|
|
|
1713 |
}
|
|
|
1714 |
}
|
|
|
1715 |
|
|
|
1716 |
?>
|