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<?php
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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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4
5
/**
5
/**
6
 * The PEAR DB driver for PHP's fbsql extension
6
 * The PEAR DB driver for PHP's fbsql extension
7
 * for interacting with FrontBase databases
7
 * for interacting with FrontBase databases
8
 *
8
 *
9
 * PHP versions 4 and 5
9
 * PHP versions 4 and 5
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 *
10
 *
11
 * LICENSE: This source file is subject to version 3.0 of the PHP license
11
 * LICENSE: This source file is subject to version 3.0 of the PHP license
12
 * that is available through the world-wide-web at the following URI:
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 * that is available through the world-wide-web at the following URI:
13
 * http://www.php.net/license/3_0.txt.  If you did not receive a copy of
13
 * http://www.php.net/license/3_0.txt.  If you did not receive a copy of
14
 * the PHP License and are unable to obtain it through the web, please
14
 * the PHP License and are unable to obtain it through the web, please
15
 * send a note to license@php.net so we can mail you a copy immediately.
15
 * send a note to license@php.net so we can mail you a copy immediately.
16
 *
16
 *
17
 * @category   Database
17
 * @category   Database
18
 * @package    DB
18
 * @package    DB
19
 * @author     Frank M. Kromann <frank@frontbase.com>
19
 * @author     Frank M. Kromann <frank@frontbase.com>
20
 * @author     Daniel Convissor <danielc@php.net>
20
 * @author     Daniel Convissor <danielc@php.net>
21
 * @copyright  1997-2007 The PHP Group
21
 * @copyright  1997-2007 The PHP Group
22
 * @license    http://www.php.net/license/3_0.txt  PHP License 3.0
22
 * @license    http://www.php.net/license/3_0.txt  PHP License 3.0
23
 * @version    CVS: $Id: fbsql.php,v 1.88 2007/07/06 05:19:21 aharvey Exp $
23
 * @version    CVS: $Id: fbsql.php,v 1.88 2007/07/06 05:19:21 aharvey Exp $
24
 * @link       http://pear.php.net/package/DB
24
 * @link       http://pear.php.net/package/DB
25
 */
25
 */
26
26
27
/**
27
/**
28
 * Obtain the DB_common class so it can be extended from
28
 * Obtain the DB_common class so it can be extended from
29
 */
29
 */
30
require_once 'DB/common.php';
30
require_once 'DB/common.php';
31
31
32
/**
32
/**
33
 * The methods PEAR DB uses to interact with PHP's fbsql extension
33
 * The methods PEAR DB uses to interact with PHP's fbsql extension
34
 * for interacting with FrontBase databases
34
 * for interacting with FrontBase databases
35
 *
35
 *
36
 * These methods overload the ones declared in DB_common.
36
 * These methods overload the ones declared in DB_common.
37
 *
37
 *
38
 * @category   Database
38
 * @category   Database
39
 * @package    DB
39
 * @package    DB
40
 * @author     Frank M. Kromann <frank@frontbase.com>
40
 * @author     Frank M. Kromann <frank@frontbase.com>
41
 * @author     Daniel Convissor <danielc@php.net>
41
 * @author     Daniel Convissor <danielc@php.net>
42
 * @copyright  1997-2007 The PHP Group
42
 * @copyright  1997-2007 The PHP Group
43
 * @license    http://www.php.net/license/3_0.txt  PHP License 3.0
43
 * @license    http://www.php.net/license/3_0.txt  PHP License 3.0
44
 * @version    Release: 1.7.13
44
 * @version    Release: 1.7.13
45
 * @link       http://pear.php.net/package/DB
45
 * @link       http://pear.php.net/package/DB
46
 * @since      Class functional since Release 1.7.0
46
 * @since      Class functional since Release 1.7.0
47
 */
47
 */
48
class DB_fbsql extends DB_common
48
class DB_fbsql extends DB_common
49
{
49
{
50
    // {{{ properties
50
    // {{{ properties
51
51
52
    /**
52
    /**
53
     * The DB driver type (mysql, oci8, odbc, etc.)
53
     * The DB driver type (mysql, oci8, odbc, etc.)
54
     * @var string
54
     * @var string
55
     */
55
     */
56
    var $phptype = 'fbsql';
56
    var $phptype = 'fbsql';
57
57
58
    /**
58
    /**
59
     * The database syntax variant to be used (db2, access, etc.), if any
59
     * The database syntax variant to be used (db2, access, etc.), if any
60
     * @var string
60
     * @var string
61
     */
61
     */
62
    var $dbsyntax = 'fbsql';
62
    var $dbsyntax = 'fbsql';
63
63
64
    /**
64
    /**
65
     * The capabilities of this DB implementation
65
     * The capabilities of this DB implementation
66
     *
66
     *
67
     * The 'new_link' element contains the PHP version that first provided
67
     * The 'new_link' element contains the PHP version that first provided
68
     * new_link support for this DBMS.  Contains false if it's unsupported.
68
     * new_link support for this DBMS.  Contains false if it's unsupported.
69
     *
69
     *
70
     * Meaning of the 'limit' element:
70
     * Meaning of the 'limit' element:
71
     *   + 'emulate' = emulate with fetch row by number
71
     *   + 'emulate' = emulate with fetch row by number
72
     *   + 'alter'   = alter the query
72
     *   + 'alter'   = alter the query
73
     *   + false     = skip rows
73
     *   + false     = skip rows
74
     *
74
     *
75
     * @var array
75
     * @var array
76
     */
76
     */
77
    var $features = array(
77
    var $features = array(
78
        'limit'         => 'alter',
78
        'limit'         => 'alter',
79
        'new_link'      => false,
79
        'new_link'      => false,
80
        'numrows'       => true,
80
        'numrows'       => true,
81
        'pconnect'      => true,
81
        'pconnect'      => true,
82
        'prepare'       => false,
82
        'prepare'       => false,
83
        'ssl'           => false,
83
        'ssl'           => false,
84
        'transactions'  => true,
84
        'transactions'  => true,
85
    );
85
    );
86
86
87
    /**
87
    /**
88
     * A mapping of native error codes to DB error codes
88
     * A mapping of native error codes to DB error codes
89
     * @var array
89
     * @var array
90
     */
90
     */
91
    var $errorcode_map = array(
91
    var $errorcode_map = array(
92
         22 => DB_ERROR_SYNTAX,
92
         22 => DB_ERROR_SYNTAX,
93
         85 => DB_ERROR_ALREADY_EXISTS,
93
         85 => DB_ERROR_ALREADY_EXISTS,
94
        108 => DB_ERROR_SYNTAX,
94
        108 => DB_ERROR_SYNTAX,
95
        116 => DB_ERROR_NOSUCHTABLE,
95
        116 => DB_ERROR_NOSUCHTABLE,
96
        124 => DB_ERROR_VALUE_COUNT_ON_ROW,
96
        124 => DB_ERROR_VALUE_COUNT_ON_ROW,
97
        215 => DB_ERROR_NOSUCHFIELD,
97
        215 => DB_ERROR_NOSUCHFIELD,
98
        217 => DB_ERROR_INVALID_NUMBER,
98
        217 => DB_ERROR_INVALID_NUMBER,
99
        226 => DB_ERROR_NOSUCHFIELD,
99
        226 => DB_ERROR_NOSUCHFIELD,
100
        231 => DB_ERROR_INVALID,
100
        231 => DB_ERROR_INVALID,
101
        239 => DB_ERROR_TRUNCATED,
101
        239 => DB_ERROR_TRUNCATED,
102
        251 => DB_ERROR_SYNTAX,
102
        251 => DB_ERROR_SYNTAX,
103
        266 => DB_ERROR_NOT_FOUND,
103
        266 => DB_ERROR_NOT_FOUND,
104
        357 => DB_ERROR_CONSTRAINT_NOT_NULL,
104
        357 => DB_ERROR_CONSTRAINT_NOT_NULL,
105
        358 => DB_ERROR_CONSTRAINT,
105
        358 => DB_ERROR_CONSTRAINT,
106
        360 => DB_ERROR_CONSTRAINT,
106
        360 => DB_ERROR_CONSTRAINT,
107
        361 => DB_ERROR_CONSTRAINT,
107
        361 => DB_ERROR_CONSTRAINT,
108
    );
108
    );
109
109
110
    /**
110
    /**
111
     * The raw database connection created by PHP
111
     * The raw database connection created by PHP
112
     * @var resource
112
     * @var resource
113
     */
113
     */
114
    var $connection;
114
    var $connection;
115
115
116
    /**
116
    /**
117
     * The DSN information for connecting to a database
117
     * The DSN information for connecting to a database
118
     * @var array
118
     * @var array
119
     */
119
     */
120
    var $dsn = array();
120
    var $dsn = array();
121
121
122
122
123
    // }}}
123
    // }}}
124
    // {{{ constructor
124
    // {{{ constructor
125
125
126
    /**
126
    /**
127
     * This constructor calls <kbd>$this->DB_common()</kbd>
127
     * This constructor calls <kbd>$this->DB_common()</kbd>
128
     *
128
     *
129
     * @return void
129
     * @return void
130
     */
130
     */
131
    function DB_fbsql()
131
    function DB_fbsql()
132
    {
132
    {
133
        $this->DB_common();
133
        $this->DB_common();
134
    }
134
    }
135
135
136
    // }}}
136
    // }}}
137
    // {{{ connect()
137
    // {{{ connect()
138
138
139
    /**
139
    /**
140
     * Connect to the database server, log in and open the database
140
     * Connect to the database server, log in and open the database
141
     *
141
     *
142
     * Don't call this method directly.  Use DB::connect() instead.
142
     * Don't call this method directly.  Use DB::connect() instead.
143
     *
143
     *
144
     * @param array $dsn         the data source name
144
     * @param array $dsn         the data source name
145
     * @param bool  $persistent  should the connection be persistent?
145
     * @param bool  $persistent  should the connection be persistent?
146
     *
146
     *
147
     * @return int  DB_OK on success. A DB_Error object on failure.
147
     * @return int  DB_OK on success. A DB_Error object on failure.
148
     */
148
     */
149
    function connect($dsn, $persistent = false)
149
    function connect($dsn, $persistent = false)
150
    {
150
    {
151
        if (!PEAR::loadExtension('fbsql')) {
151
        if (!PEAR::loadExtension('fbsql')) {
152
            return $this->raiseError(DB_ERROR_EXTENSION_NOT_FOUND);
152
            return $this->raiseError(DB_ERROR_EXTENSION_NOT_FOUND);
153
        }
153
        }
154
154
155
        $this->dsn = $dsn;
155
        $this->dsn = $dsn;
156
        if ($dsn['dbsyntax']) {
156
        if ($dsn['dbsyntax']) {
157
            $this->dbsyntax = $dsn['dbsyntax'];
157
            $this->dbsyntax = $dsn['dbsyntax'];
158
        }
158
        }
159
159
160
        $params = array(
160
        $params = array(
161
            $dsn['hostspec'] ? $dsn['hostspec'] : 'localhost',
161
            $dsn['hostspec'] ? $dsn['hostspec'] : 'localhost',
162
            $dsn['username'] ? $dsn['username'] : null,
162
            $dsn['username'] ? $dsn['username'] : null,
163
            $dsn['password'] ? $dsn['password'] : null,
163
            $dsn['password'] ? $dsn['password'] : null,
164
        );
164
        );
165
165
166
        $connect_function = $persistent ? 'fbsql_pconnect' : 'fbsql_connect';
166
        $connect_function = $persistent ? 'fbsql_pconnect' : 'fbsql_connect';
167
167
168
        $ini = ini_get('track_errors');
168
        $ini = ini_get('track_errors');
169
        $php_errormsg = '';
169
        $php_errormsg = '';
170
        if ($ini) {
170
        if ($ini) {
171
            $this->connection = @call_user_func_array($connect_function,
171
            $this->connection = @call_user_func_array($connect_function,
172
                                                      $params);
172
                                                      $params);
173
        } else {
173
        } else {
174
            @ini_set('track_errors', 1);
174
            @ini_set('track_errors', 1);
175
            $this->connection = @call_user_func_array($connect_function,
175
            $this->connection = @call_user_func_array($connect_function,
176
                                                      $params);
176
                                                      $params);
177
            @ini_set('track_errors', $ini);
177
            @ini_set('track_errors', $ini);
178
        }
178
        }
179
179
180
        if (!$this->connection) {
180
        if (!$this->connection) {
181
            return $this->raiseError(DB_ERROR_CONNECT_FAILED,
181
            return $this->raiseError(DB_ERROR_CONNECT_FAILED,
182
                                     null, null, null,
182
                                     null, null, null,
183
                                     $php_errormsg);
183
                                     $php_errormsg);
184
        }
184
        }
185
185
186
        if ($dsn['database']) {
186
        if ($dsn['database']) {
187
            if (!@fbsql_select_db($dsn['database'], $this->connection)) {
187
            if (!@fbsql_select_db($dsn['database'], $this->connection)) {
188
                return $this->fbsqlRaiseError();
188
                return $this->fbsqlRaiseError();
189
            }
189
            }
190
        }
190
        }
191
191
192
        return DB_OK;
192
        return DB_OK;
193
    }
193
    }
194
194
195
    // }}}
195
    // }}}
196
    // {{{ disconnect()
196
    // {{{ disconnect()
197
197
198
    /**
198
    /**
199
     * Disconnects from the database server
199
     * Disconnects from the database server
200
     *
200
     *
201
     * @return bool  TRUE on success, FALSE on failure
201
     * @return bool  TRUE on success, FALSE on failure
202
     */
202
     */
203
    function disconnect()
203
    function disconnect()
204
    {
204
    {
205
        $ret = @fbsql_close($this->connection);
205
        $ret = @fbsql_close($this->connection);
206
        $this->connection = null;
206
        $this->connection = null;
207
        return $ret;
207
        return $ret;
208
    }
208
    }
209
209
210
    // }}}
210
    // }}}
211
    // {{{ simpleQuery()
211
    // {{{ simpleQuery()
212
212
213
    /**
213
    /**
214
     * Sends a query to the database server
214
     * Sends a query to the database server
215
     *
215
     *
216
     * @param string  the SQL query string
216
     * @param string  the SQL query string
217
     *
217
     *
218
     * @return mixed  + a PHP result resrouce for successful SELECT queries
218
     * @return mixed  + a PHP result resrouce for successful SELECT queries
219
     *                + the DB_OK constant for other successful queries
219
     *                + the DB_OK constant for other successful queries
220
     *                + a DB_Error object on failure
220
     *                + a DB_Error object on failure
221
     */
221
     */
222
    function simpleQuery($query)
222
    function simpleQuery($query)
223
    {
223
    {
224
        $this->last_query = $query;
224
        $this->last_query = $query;
225
        $query = $this->modifyQuery($query);
225
        $query = $this->modifyQuery($query);
226
        $result = @fbsql_query("$query;", $this->connection);
226
        $result = @fbsql_query("$query;", $this->connection);
227
        if (!$result) {
227
        if (!$result) {
228
            return $this->fbsqlRaiseError();
228
            return $this->fbsqlRaiseError();
229
        }
229
        }
230
        // Determine which queries that should return data, and which
230
        // Determine which queries that should return data, and which
231
        // should return an error code only.
231
        // should return an error code only.
232
        if ($this->_checkManip($query)) {
232
        if ($this->_checkManip($query)) {
233
            return DB_OK;
233
            return DB_OK;
234
        }
234
        }
235
        return $result;
235
        return $result;
236
    }
236
    }
237
237
238
    // }}}
238
    // }}}
239
    // {{{ nextResult()
239
    // {{{ nextResult()
240
240
241
    /**
241
    /**
242
     * Move the internal fbsql result pointer to the next available result
242
     * Move the internal fbsql result pointer to the next available result
243
     *
243
     *
244
     * @param a valid fbsql result resource
244
     * @param a valid fbsql result resource
245
     *
245
     *
246
     * @access public
246
     * @access public
247
     *
247
     *
248
     * @return true if a result is available otherwise return false
248
     * @return true if a result is available otherwise return false
249
     */
249
     */
250
    function nextResult($result)
250
    function nextResult($result)
251
    {
251
    {
252
        return @fbsql_next_result($result);
252
        return @fbsql_next_result($result);
253
    }
253
    }
254
254
255
    // }}}
255
    // }}}
256
    // {{{ fetchInto()
256
    // {{{ fetchInto()
257
257
258
    /**
258
    /**
259
     * Places a row from the result set into the given array
259
     * Places a row from the result set into the given array
260
     *
260
     *
261
     * Formating of the array and the data therein are configurable.
261
     * Formating of the array and the data therein are configurable.
262
     * See DB_result::fetchInto() for more information.
262
     * See DB_result::fetchInto() for more information.
263
     *
263
     *
264
     * This method is not meant to be called directly.  Use
264
     * This method is not meant to be called directly.  Use
265
     * DB_result::fetchInto() instead.  It can't be declared "protected"
265
     * DB_result::fetchInto() instead.  It can't be declared "protected"
266
     * because DB_result is a separate object.
266
     * because DB_result is a separate object.
267
     *
267
     *
268
     * @param resource $result    the query result resource
268
     * @param resource $result    the query result resource
269
     * @param array    $arr       the referenced array to put the data in
269
     * @param array    $arr       the referenced array to put the data in
270
     * @param int      $fetchmode how the resulting array should be indexed
270
     * @param int      $fetchmode how the resulting array should be indexed
271
     * @param int      $rownum    the row number to fetch (0 = first row)
271
     * @param int      $rownum    the row number to fetch (0 = first row)
272
     *
272
     *
273
     * @return mixed  DB_OK on success, NULL when the end of a result set is
273
     * @return mixed  DB_OK on success, NULL when the end of a result set is
274
     *                 reached or on failure
274
     *                 reached or on failure
275
     *
275
     *
276
     * @see DB_result::fetchInto()
276
     * @see DB_result::fetchInto()
277
     */
277
     */
278
    function fetchInto($result, &$arr, $fetchmode, $rownum = null)
278
    function fetchInto($result, &$arr, $fetchmode, $rownum = null)
279
    {
279
    {
280
        if ($rownum !== null) {
280
        if ($rownum !== null) {
281
            if (!@fbsql_data_seek($result, $rownum)) {
281
            if (!@fbsql_data_seek($result, $rownum)) {
282
                return null;
282
                return null;
283
            }
283
            }
284
        }
284
        }
285
        if ($fetchmode & DB_FETCHMODE_ASSOC) {
285
        if ($fetchmode & DB_FETCHMODE_ASSOC) {
286
            $arr = @fbsql_fetch_array($result, FBSQL_ASSOC);
286
            $arr = @fbsql_fetch_array($result, FBSQL_ASSOC);
287
            if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE && $arr) {
287
            if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE && $arr) {
288
                $arr = array_change_key_case($arr, CASE_LOWER);
288
                $arr = array_change_key_case($arr, CASE_LOWER);
289
            }
289
            }
290
        } else {
290
        } else {
291
            $arr = @fbsql_fetch_row($result);
291
            $arr = @fbsql_fetch_row($result);
292
        }
292
        }
293
        if (!$arr) {
293
        if (!$arr) {
294
            return null;
294
            return null;
295
        }
295
        }
296
        if ($this->options['portability'] & DB_PORTABILITY_RTRIM) {
296
        if ($this->options['portability'] & DB_PORTABILITY_RTRIM) {
297
            $this->_rtrimArrayValues($arr);
297
            $this->_rtrimArrayValues($arr);
298
        }
298
        }
299
        if ($this->options['portability'] & DB_PORTABILITY_NULL_TO_EMPTY) {
299
        if ($this->options['portability'] & DB_PORTABILITY_NULL_TO_EMPTY) {
300
            $this->_convertNullArrayValuesToEmpty($arr);
300
            $this->_convertNullArrayValuesToEmpty($arr);
301
        }
301
        }
302
        return DB_OK;
302
        return DB_OK;
303
    }
303
    }
304
304
305
    // }}}
305
    // }}}
306
    // {{{ freeResult()
306
    // {{{ freeResult()
307
307
308
    /**
308
    /**
309
     * Deletes the result set and frees the memory occupied by the result set
309
     * Deletes the result set and frees the memory occupied by the result set
310
     *
310
     *
311
     * This method is not meant to be called directly.  Use
311
     * This method is not meant to be called directly.  Use
312
     * DB_result::free() instead.  It can't be declared "protected"
312
     * DB_result::free() instead.  It can't be declared "protected"
313
     * because DB_result is a separate object.
313
     * because DB_result is a separate object.
314
     *
314
     *
315
     * @param resource $result  PHP's query result resource
315
     * @param resource $result  PHP's query result resource
316
     *
316
     *
317
     * @return bool  TRUE on success, FALSE if $result is invalid
317
     * @return bool  TRUE on success, FALSE if $result is invalid
318
     *
318
     *
319
     * @see DB_result::free()
319
     * @see DB_result::free()
320
     */
320
     */
321
    function freeResult($result)
321
    function freeResult($result)
322
    {
322
    {
323
        return is_resource($result) ? fbsql_free_result($result) : false;
323
        return is_resource($result) ? fbsql_free_result($result) : false;
324
    }
324
    }
325
325
326
    // }}}
326
    // }}}
327
    // {{{ autoCommit()
327
    // {{{ autoCommit()
328
328
329
    /**
329
    /**
330
     * Enables or disables automatic commits
330
     * Enables or disables automatic commits
331
     *
331
     *
332
     * @param bool $onoff  true turns it on, false turns it off
332
     * @param bool $onoff  true turns it on, false turns it off
333
     *
333
     *
334
     * @return int  DB_OK on success.  A DB_Error object if the driver
334
     * @return int  DB_OK on success.  A DB_Error object if the driver
335
     *               doesn't support auto-committing transactions.
335
     *               doesn't support auto-committing transactions.
336
     */
336
     */
337
    function autoCommit($onoff=false)
337
    function autoCommit($onoff=false)
338
    {
338
    {
339
        if ($onoff) {
339
        if ($onoff) {
340
            $this->query("SET COMMIT TRUE");
340
            $this->query("SET COMMIT TRUE");
341
        } else {
341
        } else {
342
            $this->query("SET COMMIT FALSE");
342
            $this->query("SET COMMIT FALSE");
343
        }
343
        }
344
    }
344
    }
345
345
346
    // }}}
346
    // }}}
347
    // {{{ commit()
347
    // {{{ commit()
348
348
349
    /**
349
    /**
350
     * Commits the current transaction
350
     * Commits the current transaction
351
     *
351
     *
352
     * @return int  DB_OK on success.  A DB_Error object on failure.
352
     * @return int  DB_OK on success.  A DB_Error object on failure.
353
     */
353
     */
354
    function commit()
354
    function commit()
355
    {
355
    {
356
        @fbsql_commit($this->connection);
356
        @fbsql_commit($this->connection);
357
    }
357
    }
358
358
359
    // }}}
359
    // }}}
360
    // {{{ rollback()
360
    // {{{ rollback()
361
361
362
    /**
362
    /**
363
     * Reverts the current transaction
363
     * Reverts the current transaction
364
     *
364
     *
365
     * @return int  DB_OK on success.  A DB_Error object on failure.
365
     * @return int  DB_OK on success.  A DB_Error object on failure.
366
     */
366
     */
367
    function rollback()
367
    function rollback()
368
    {
368
    {
369
        @fbsql_rollback($this->connection);
369
        @fbsql_rollback($this->connection);
370
    }
370
    }
371
371
372
    // }}}
372
    // }}}
373
    // {{{ numCols()
373
    // {{{ numCols()
374
374
375
    /**
375
    /**
376
     * Gets the number of columns in a result set
376
     * Gets the number of columns in a result set
377
     *
377
     *
378
     * This method is not meant to be called directly.  Use
378
     * This method is not meant to be called directly.  Use
379
     * DB_result::numCols() instead.  It can't be declared "protected"
379
     * DB_result::numCols() instead.  It can't be declared "protected"
380
     * because DB_result is a separate object.
380
     * because DB_result is a separate object.
381
     *
381
     *
382
     * @param resource $result  PHP's query result resource
382
     * @param resource $result  PHP's query result resource
383
     *
383
     *
384
     * @return int  the number of columns.  A DB_Error object on failure.
384
     * @return int  the number of columns.  A DB_Error object on failure.
385
     *
385
     *
386
     * @see DB_result::numCols()
386
     * @see DB_result::numCols()
387
     */
387
     */
388
    function numCols($result)
388
    function numCols($result)
389
    {
389
    {
390
        $cols = @fbsql_num_fields($result);
390
        $cols = @fbsql_num_fields($result);
391
        if (!$cols) {
391
        if (!$cols) {
392
            return $this->fbsqlRaiseError();
392
            return $this->fbsqlRaiseError();
393
        }
393
        }
394
        return $cols;
394
        return $cols;
395
    }
395
    }
396
396
397
    // }}}
397
    // }}}
398
    // {{{ numRows()
398
    // {{{ numRows()
399
399
400
    /**
400
    /**
401
     * Gets the number of rows in a result set
401
     * Gets the number of rows in a result set
402
     *
402
     *
403
     * This method is not meant to be called directly.  Use
403
     * This method is not meant to be called directly.  Use
404
     * DB_result::numRows() instead.  It can't be declared "protected"
404
     * DB_result::numRows() instead.  It can't be declared "protected"
405
     * because DB_result is a separate object.
405
     * because DB_result is a separate object.
406
     *
406
     *
407
     * @param resource $result  PHP's query result resource
407
     * @param resource $result  PHP's query result resource
408
     *
408
     *
409
     * @return int  the number of rows.  A DB_Error object on failure.
409
     * @return int  the number of rows.  A DB_Error object on failure.
410
     *
410
     *
411
     * @see DB_result::numRows()
411
     * @see DB_result::numRows()
412
     */
412
     */
413
    function numRows($result)
413
    function numRows($result)
414
    {
414
    {
415
        $rows = @fbsql_num_rows($result);
415
        $rows = @fbsql_num_rows($result);
416
        if ($rows === null) {
416
        if ($rows === null) {
417
            return $this->fbsqlRaiseError();
417
            return $this->fbsqlRaiseError();
418
        }
418
        }
419
        return $rows;
419
        return $rows;
420
    }
420
    }
421
421
422
    // }}}
422
    // }}}
423
    // {{{ affectedRows()
423
    // {{{ affectedRows()
424
424
425
    /**
425
    /**
426
     * Determines the number of rows affected by a data maniuplation query
426
     * Determines the number of rows affected by a data maniuplation query
427
     *
427
     *
428
     * 0 is returned for queries that don't manipulate data.
428
     * 0 is returned for queries that don't manipulate data.
429
     *
429
     *
430
     * @return int  the number of rows.  A DB_Error object on failure.
430
     * @return int  the number of rows.  A DB_Error object on failure.
431
     */
431
     */
432
    function affectedRows()
432
    function affectedRows()
433
    {
433
    {
434
        if ($this->_last_query_manip) {
434
        if ($this->_last_query_manip) {
435
            $result = @fbsql_affected_rows($this->connection);
435
            $result = @fbsql_affected_rows($this->connection);
436
        } else {
436
        } else {
437
            $result = 0;
437
            $result = 0;
438
        }
438
        }
439
        return $result;
439
        return $result;
440
     }
440
     }
441
441
442
    // }}}
442
    // }}}
443
    // {{{ nextId()
443
    // {{{ nextId()
444
444
445
    /**
445
    /**
446
     * Returns the next free id in a sequence
446
     * Returns the next free id in a sequence
447
     *
447
     *
448
     * @param string  $seq_name  name of the sequence
448
     * @param string  $seq_name  name of the sequence
449
     * @param boolean $ondemand  when true, the seqence is automatically
449
     * @param boolean $ondemand  when true, the seqence is automatically
450
     *                            created if it does not exist
450
     *                            created if it does not exist
451
     *
451
     *
452
     * @return int  the next id number in the sequence.
452
     * @return int  the next id number in the sequence.
453
     *               A DB_Error object on failure.
453
     *               A DB_Error object on failure.
454
     *
454
     *
455
     * @see DB_common::nextID(), DB_common::getSequenceName(),
455
     * @see DB_common::nextID(), DB_common::getSequenceName(),
456
     *      DB_fbsql::createSequence(), DB_fbsql::dropSequence()
456
     *      DB_fbsql::createSequence(), DB_fbsql::dropSequence()
457
     */
457
     */
458
    function nextId($seq_name, $ondemand = true)
458
    function nextId($seq_name, $ondemand = true)
459
    {
459
    {
460
        $seqname = $this->getSequenceName($seq_name);
460
        $seqname = $this->getSequenceName($seq_name);
461
        do {
461
        do {
462
            $repeat = 0;
462
            $repeat = 0;
463
            $this->pushErrorHandling(PEAR_ERROR_RETURN);
463
            $this->pushErrorHandling(PEAR_ERROR_RETURN);
464
            $result = $this->query('SELECT UNIQUE FROM ' . $seqname);
464
            $result = $this->query('SELECT UNIQUE FROM ' . $seqname);
465
            $this->popErrorHandling();
465
            $this->popErrorHandling();
466
            if ($ondemand && DB::isError($result) &&
466
            if ($ondemand && DB::isError($result) &&
467
                $result->getCode() == DB_ERROR_NOSUCHTABLE) {
467
                $result->getCode() == DB_ERROR_NOSUCHTABLE) {
468
                $repeat = 1;
468
                $repeat = 1;
469
                $result = $this->createSequence($seq_name);
469
                $result = $this->createSequence($seq_name);
470
                if (DB::isError($result)) {
470
                if (DB::isError($result)) {
471
                    return $result;
471
                    return $result;
472
                }
472
                }
473
            } else {
473
            } else {
474
                $repeat = 0;
474
                $repeat = 0;
475
            }
475
            }
476
        } while ($repeat);
476
        } while ($repeat);
477
        if (DB::isError($result)) {
477
        if (DB::isError($result)) {
478
            return $this->fbsqlRaiseError();
478
            return $this->fbsqlRaiseError();
479
        }
479
        }
480
        $result->fetchInto($tmp, DB_FETCHMODE_ORDERED);
480
        $result->fetchInto($tmp, DB_FETCHMODE_ORDERED);
481
        return $tmp[0];
481
        return $tmp[0];
482
    }
482
    }
483
483
484
    /**
484
    /**
485
     * Creates a new sequence
485
     * Creates a new sequence
486
     *
486
     *
487
     * @param string $seq_name  name of the new sequence
487
     * @param string $seq_name  name of the new sequence
488
     *
488
     *
489
     * @return int  DB_OK on success.  A DB_Error object on failure.
489
     * @return int  DB_OK on success.  A DB_Error object on failure.
490
     *
490
     *
491
     * @see DB_common::createSequence(), DB_common::getSequenceName(),
491
     * @see DB_common::createSequence(), DB_common::getSequenceName(),
492
     *      DB_fbsql::nextID(), DB_fbsql::dropSequence()
492
     *      DB_fbsql::nextID(), DB_fbsql::dropSequence()
493
     */
493
     */
494
    function createSequence($seq_name)
494
    function createSequence($seq_name)
495
    {
495
    {
496
        $seqname = $this->getSequenceName($seq_name);
496
        $seqname = $this->getSequenceName($seq_name);
497
        $res = $this->query('CREATE TABLE ' . $seqname
497
        $res = $this->query('CREATE TABLE ' . $seqname
498
                            . ' (id INTEGER NOT NULL,'
498
                            . ' (id INTEGER NOT NULL,'
499
                            . ' PRIMARY KEY(id))');
499
                            . ' PRIMARY KEY(id))');
500
        if ($res) {
500
        if ($res) {
501
            $res = $this->query('SET UNIQUE = 0 FOR ' . $seqname);
501
            $res = $this->query('SET UNIQUE = 0 FOR ' . $seqname);
502
        }
502
        }
503
        return $res;
503
        return $res;
504
    }
504
    }
505
505
506
    // }}}
506
    // }}}
507
    // {{{ dropSequence()
507
    // {{{ dropSequence()
508
508
509
    /**
509
    /**
510
     * Deletes a sequence
510
     * Deletes a sequence
511
     *
511
     *
512
     * @param string $seq_name  name of the sequence to be deleted
512
     * @param string $seq_name  name of the sequence to be deleted
513
     *
513
     *
514
     * @return int  DB_OK on success.  A DB_Error object on failure.
514
     * @return int  DB_OK on success.  A DB_Error object on failure.
515
     *
515
     *
516
     * @see DB_common::dropSequence(), DB_common::getSequenceName(),
516
     * @see DB_common::dropSequence(), DB_common::getSequenceName(),
517
     *      DB_fbsql::nextID(), DB_fbsql::createSequence()
517
     *      DB_fbsql::nextID(), DB_fbsql::createSequence()
518
     */
518
     */
519
    function dropSequence($seq_name)
519
    function dropSequence($seq_name)
520
    {
520
    {
521
        return $this->query('DROP TABLE ' . $this->getSequenceName($seq_name)
521
        return $this->query('DROP TABLE ' . $this->getSequenceName($seq_name)
522
                            . ' RESTRICT');
522
                            . ' RESTRICT');
523
    }
523
    }
524
524
525
    // }}}
525
    // }}}
526
    // {{{ modifyLimitQuery()
526
    // {{{ modifyLimitQuery()
527
527
528
    /**
528
    /**
529
     * Adds LIMIT clauses to a query string according to current DBMS standards
529
     * Adds LIMIT clauses to a query string according to current DBMS standards
530
     *
530
     *
531
     * @param string $query   the query to modify
531
     * @param string $query   the query to modify
532
     * @param int    $from    the row to start to fetching (0 = the first row)
532
     * @param int    $from    the row to start to fetching (0 = the first row)
533
     * @param int    $count   the numbers of rows to fetch
533
     * @param int    $count   the numbers of rows to fetch
534
     * @param mixed  $params  array, string or numeric data to be used in
534
     * @param mixed  $params  array, string or numeric data to be used in
535
     *                         execution of the statement.  Quantity of items
535
     *                         execution of the statement.  Quantity of items
536
     *                         passed must match quantity of placeholders in
536
     *                         passed must match quantity of placeholders in
537
     *                         query:  meaning 1 placeholder for non-array
537
     *                         query:  meaning 1 placeholder for non-array
538
     *                         parameters or 1 placeholder per array element.
538
     *                         parameters or 1 placeholder per array element.
539
     *
539
     *
540
     * @return string  the query string with LIMIT clauses added
540
     * @return string  the query string with LIMIT clauses added
541
     *
541
     *
542
     * @access protected
542
     * @access protected
543
     */
543
     */
544
    function modifyLimitQuery($query, $from, $count, $params = array())
544
    function modifyLimitQuery($query, $from, $count, $params = array())
545
    {
545
    {
546
        if (DB::isManip($query) || $this->_next_query_manip) {
546
        if (DB::isManip($query) || $this->_next_query_manip) {
547
            return preg_replace('/^([\s(])*SELECT/i',
547
            return preg_replace('/^([\s(])*SELECT/i',
548
                                "\\1SELECT TOP($count)", $query);
548
                                "\\1SELECT TOP($count)", $query);
549
        } else {
549
        } else {
550
            return preg_replace('/([\s(])*SELECT/i',
550
            return preg_replace('/([\s(])*SELECT/i',
551
                                "\\1SELECT TOP($from, $count)", $query);
551
                                "\\1SELECT TOP($from, $count)", $query);
552
        }
552
        }
553
    }
553
    }
554
554
555
    // }}}
555
    // }}}
556
    // {{{ quoteBoolean()
556
    // {{{ quoteBoolean()
557
557
558
    /**
558
    /**
559
     * Formats a boolean value for use within a query in a locale-independent
559
     * Formats a boolean value for use within a query in a locale-independent
560
     * manner.
560
     * manner.
561
     *
561
     *
562
     * @param boolean the boolean value to be quoted.
562
     * @param boolean the boolean value to be quoted.
563
     * @return string the quoted string.
563
     * @return string the quoted string.
564
     * @see DB_common::quoteSmart()
564
     * @see DB_common::quoteSmart()
565
     * @since Method available since release 1.7.8.
565
     * @since Method available since release 1.7.8.
566
     */
566
     */
567
    function quoteBoolean($boolean) {
567
    function quoteBoolean($boolean) {
568
        return $boolean ? 'TRUE' : 'FALSE';
568
        return $boolean ? 'TRUE' : 'FALSE';
569
    }
569
    }
570
     
570
     
571
    // }}}
571
    // }}}
572
    // {{{ quoteFloat()
572
    // {{{ quoteFloat()
573
573
574
    /**
574
    /**
575
     * Formats a float value for use within a query in a locale-independent
575
     * Formats a float value for use within a query in a locale-independent
576
     * manner.
576
     * manner.
577
     *
577
     *
578
     * @param float the float value to be quoted.
578
     * @param float the float value to be quoted.
579
     * @return string the quoted string.
579
     * @return string the quoted string.
580
     * @see DB_common::quoteSmart()
580
     * @see DB_common::quoteSmart()
581
     * @since Method available since release 1.7.8.
581
     * @since Method available since release 1.7.8.
582
     */
582
     */
583
    function quoteFloat($float) {
583
    function quoteFloat($float) {
584
        return $this->escapeSimple(str_replace(',', '.', strval(floatval($float))));
584
        return $this->escapeSimple(str_replace(',', '.', strval(floatval($float))));
585
    }
585
    }
586
     
586
     
587
    // }}}
587
    // }}}
588
    // {{{ fbsqlRaiseError()
588
    // {{{ fbsqlRaiseError()
589
589
590
    /**
590
    /**
591
     * Produces a DB_Error object regarding the current problem
591
     * Produces a DB_Error object regarding the current problem
592
     *
592
     *
593
     * @param int $errno  if the error is being manually raised pass a
593
     * @param int $errno  if the error is being manually raised pass a
594
     *                     DB_ERROR* constant here.  If this isn't passed
594
     *                     DB_ERROR* constant here.  If this isn't passed
595
     *                     the error information gathered from the DBMS.
595
     *                     the error information gathered from the DBMS.
596
     *
596
     *
597
     * @return object  the DB_Error object
597
     * @return object  the DB_Error object
598
     *
598
     *
599
     * @see DB_common::raiseError(),
599
     * @see DB_common::raiseError(),
600
     *      DB_fbsql::errorNative(), DB_common::errorCode()
600
     *      DB_fbsql::errorNative(), DB_common::errorCode()
601
     */
601
     */
602
    function fbsqlRaiseError($errno = null)
602
    function fbsqlRaiseError($errno = null)
603
    {
603
    {
604
        if ($errno === null) {
604
        if ($errno === null) {
605
            $errno = $this->errorCode(fbsql_errno($this->connection));
605
            $errno = $this->errorCode(fbsql_errno($this->connection));
606
        }
606
        }
607
        return $this->raiseError($errno, null, null, null,
607
        return $this->raiseError($errno, null, null, null,
608
                                 @fbsql_error($this->connection));
608
                                 @fbsql_error($this->connection));
609
    }
609
    }
610
610
611
    // }}}
611
    // }}}
612
    // {{{ errorNative()
612
    // {{{ errorNative()
613
613
614
    /**
614
    /**
615
     * Gets the DBMS' native error code produced by the last query
615
     * Gets the DBMS' native error code produced by the last query
616
     *
616
     *
617
     * @return int  the DBMS' error code
617
     * @return int  the DBMS' error code
618
     */
618
     */
619
    function errorNative()
619
    function errorNative()
620
    {
620
    {
621
        return @fbsql_errno($this->connection);
621
        return @fbsql_errno($this->connection);
622
    }
622
    }
623
623
624
    // }}}
624
    // }}}
625
    // {{{ tableInfo()
625
    // {{{ tableInfo()
626
626
627
    /**
627
    /**
628
     * Returns information about a table or a result set
628
     * Returns information about a table or a result set
629
     *
629
     *
630
     * @param object|string  $result  DB_result object from a query or a
630
     * @param object|string  $result  DB_result object from a query or a
631
     *                                 string containing the name of a table.
631
     *                                 string containing the name of a table.
632
     *                                 While this also accepts a query result
632
     *                                 While this also accepts a query result
633
     *                                 resource identifier, this behavior is
633
     *                                 resource identifier, this behavior is
634
     *                                 deprecated.
634
     *                                 deprecated.
635
     * @param int            $mode    a valid tableInfo mode
635
     * @param int            $mode    a valid tableInfo mode
636
     *
636
     *
637
     * @return array  an associative array with the information requested.
637
     * @return array  an associative array with the information requested.
638
     *                 A DB_Error object on failure.
638
     *                 A DB_Error object on failure.
639
     *
639
     *
640
     * @see DB_common::tableInfo()
640
     * @see DB_common::tableInfo()
641
     */
641
     */
642
    function tableInfo($result, $mode = null)
642
    function tableInfo($result, $mode = null)
643
    {
643
    {
644
        if (is_string($result)) {
644
        if (is_string($result)) {
645
            /*
645
            /*
646
             * Probably received a table name.
646
             * Probably received a table name.
647
             * Create a result resource identifier.
647
             * Create a result resource identifier.
648
             */
648
             */
649
            $id = @fbsql_list_fields($this->dsn['database'],
649
            $id = @fbsql_list_fields($this->dsn['database'],
650
                                     $result, $this->connection);
650
                                     $result, $this->connection);
651
            $got_string = true;
651
            $got_string = true;
652
        } elseif (isset($result->result)) {
652
        } elseif (isset($result->result)) {
653
            /*
653
            /*
654
             * Probably received a result object.
654
             * Probably received a result object.
655
             * Extract the result resource identifier.
655
             * Extract the result resource identifier.
656
             */
656
             */
657
            $id = $result->result;
657
            $id = $result->result;
658
            $got_string = false;
658
            $got_string = false;
659
        } else {
659
        } else {
660
            /*
660
            /*
661
             * Probably received a result resource identifier.
661
             * Probably received a result resource identifier.
662
             * Copy it.
662
             * Copy it.
663
             * Deprecated.  Here for compatibility only.
663
             * Deprecated.  Here for compatibility only.
664
             */
664
             */
665
            $id = $result;
665
            $id = $result;
666
            $got_string = false;
666
            $got_string = false;
667
        }
667
        }
668
668
669
        if (!is_resource($id)) {
669
        if (!is_resource($id)) {
670
            return $this->fbsqlRaiseError(DB_ERROR_NEED_MORE_DATA);
670
            return $this->fbsqlRaiseError(DB_ERROR_NEED_MORE_DATA);
671
        }
671
        }
672
672
673
        if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE) {
673
        if ($this->options['portability'] & DB_PORTABILITY_LOWERCASE) {
674
            $case_func = 'strtolower';
674
            $case_func = 'strtolower';
675
        } else {
675
        } else {
676
            $case_func = 'strval';
676
            $case_func = 'strval';
677
        }
677
        }
678
678
679
        $count = @fbsql_num_fields($id);
679
        $count = @fbsql_num_fields($id);
680
        $res   = array();
680
        $res   = array();
681
681
682
        if ($mode) {
682
        if ($mode) {
683
            $res['num_fields'] = $count;
683
            $res['num_fields'] = $count;
684
        }
684
        }
685
685
686
        for ($i = 0; $i < $count; $i++) {
686
        for ($i = 0; $i < $count; $i++) {
687
            $res[$i] = array(
687
            $res[$i] = array(
688
                'table' => $case_func(@fbsql_field_table($id, $i)),
688
                'table' => $case_func(@fbsql_field_table($id, $i)),
689
                'name'  => $case_func(@fbsql_field_name($id, $i)),
689
                'name'  => $case_func(@fbsql_field_name($id, $i)),
690
                'type'  => @fbsql_field_type($id, $i),
690
                'type'  => @fbsql_field_type($id, $i),
691
                'len'   => @fbsql_field_len($id, $i),
691
                'len'   => @fbsql_field_len($id, $i),
692
                'flags' => @fbsql_field_flags($id, $i),
692
                'flags' => @fbsql_field_flags($id, $i),
693
            );
693
            );
694
            if ($mode & DB_TABLEINFO_ORDER) {
694
            if ($mode & DB_TABLEINFO_ORDER) {
695
                $res['order'][$res[$i]['name']] = $i;
695
                $res['order'][$res[$i]['name']] = $i;
696
            }
696
            }
697
            if ($mode & DB_TABLEINFO_ORDERTABLE) {
697
            if ($mode & DB_TABLEINFO_ORDERTABLE) {
698
                $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
698
                $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
699
            }
699
            }
700
        }
700
        }
701
701
702
        // free the result only if we were called on a table
702
        // free the result only if we were called on a table
703
        if ($got_string) {
703
        if ($got_string) {
704
            @fbsql_free_result($id);
704
            @fbsql_free_result($id);
705
        }
705
        }
706
        return $res;
706
        return $res;
707
    }
707
    }
708
708
709
    // }}}
709
    // }}}
710
    // {{{ getSpecialQuery()
710
    // {{{ getSpecialQuery()
711
711
712
    /**
712
    /**
713
     * Obtains the query string needed for listing a given type of objects
713
     * Obtains the query string needed for listing a given type of objects
714
     *
714
     *
715
     * @param string $type  the kind of objects you want to retrieve
715
     * @param string $type  the kind of objects you want to retrieve
716
     *
716
     *
717
     * @return string  the SQL query string or null if the driver doesn't
717
     * @return string  the SQL query string or null if the driver doesn't
718
     *                  support the object type requested
718
     *                  support the object type requested
719
     *
719
     *
720
     * @access protected
720
     * @access protected
721
     * @see DB_common::getListOf()
721
     * @see DB_common::getListOf()
722
     */
722
     */
723
    function getSpecialQuery($type)
723
    function getSpecialQuery($type)
724
    {
724
    {
725
        switch ($type) {
725
        switch ($type) {
726
            case 'tables':
726
            case 'tables':
727
                return 'SELECT "table_name" FROM information_schema.tables'
727
                return 'SELECT "table_name" FROM information_schema.tables'
728
                       . ' t0, information_schema.schemata t1'
728
                       . ' t0, information_schema.schemata t1'
729
                       . ' WHERE t0.schema_pk=t1.schema_pk AND'
729
                       . ' WHERE t0.schema_pk=t1.schema_pk AND'
730
                       . ' "table_type" = \'BASE TABLE\''
730
                       . ' "table_type" = \'BASE TABLE\''
731
                       . ' AND "schema_name" = current_schema';
731
                       . ' AND "schema_name" = current_schema';
732
            case 'views':
732
            case 'views':
733
                return 'SELECT "table_name" FROM information_schema.tables'
733
                return 'SELECT "table_name" FROM information_schema.tables'
734
                       . ' t0, information_schema.schemata t1'
734
                       . ' t0, information_schema.schemata t1'
735
                       . ' WHERE t0.schema_pk=t1.schema_pk AND'
735
                       . ' WHERE t0.schema_pk=t1.schema_pk AND'
736
                       . ' "table_type" = \'VIEW\''
736
                       . ' "table_type" = \'VIEW\''
737
                       . ' AND "schema_name" = current_schema';
737
                       . ' AND "schema_name" = current_schema';
738
            case 'users':
738
            case 'users':
739
                return 'SELECT "user_name" from information_schema.users';
739
                return 'SELECT "user_name" from information_schema.users';
740
            case 'functions':
740
            case 'functions':
741
                return 'SELECT "routine_name" FROM'
741
                return 'SELECT "routine_name" FROM'
742
                       . ' information_schema.psm_routines'
742
                       . ' information_schema.psm_routines'
743
                       . ' t0, information_schema.schemata t1'
743
                       . ' t0, information_schema.schemata t1'
744
                       . ' WHERE t0.schema_pk=t1.schema_pk'
744
                       . ' WHERE t0.schema_pk=t1.schema_pk'
745
                       . ' AND "routine_kind"=\'FUNCTION\''
745
                       . ' AND "routine_kind"=\'FUNCTION\''
746
                       . ' AND "schema_name" = current_schema';
746
                       . ' AND "schema_name" = current_schema';
747
            case 'procedures':
747
            case 'procedures':
748
                return 'SELECT "routine_name" FROM'
748
                return 'SELECT "routine_name" FROM'
749
                       . ' information_schema.psm_routines'
749
                       . ' information_schema.psm_routines'
750
                       . ' t0, information_schema.schemata t1'
750
                       . ' t0, information_schema.schemata t1'
751
                       . ' WHERE t0.schema_pk=t1.schema_pk'
751
                       . ' WHERE t0.schema_pk=t1.schema_pk'
752
                       . ' AND "routine_kind"=\'PROCEDURE\''
752
                       . ' AND "routine_kind"=\'PROCEDURE\''
753
                       . ' AND "schema_name" = current_schema';
753
                       . ' AND "schema_name" = current_schema';
754
            default:
754
            default:
755
                return null;
755
                return null;
756
        }
756
        }
757
    }
757
    }
758
758
759
    // }}}
759
    // }}}
760
}
760
}
761
761
762
/*
762
/*
763
 * Local variables:
763
 * Local variables:
764
 * tab-width: 4
764
 * tab-width: 4
765
 * c-basic-offset: 4
765
 * c-basic-offset: 4
766
 * End:
766
 * End:
767
 */
767
 */
768
768
769
?>
769
?>
770
 
770