191ba968efe8207672297de1c281a7eb14bdaa6c
3 /***************************************************************************\
4 * SPIP, Systeme de publication pour l'internet *
6 * Copyright (c) 2001-2011 *
7 * Arnaud Martin, Antoine Pitrou, Philippe Riviere, Emmanuel Saint-James *
9 * Ce programme est un logiciel libre distribue sous licence GNU/GPL. *
10 * Pour plus de details voir le fichier COPYING.txt ou l'aide en ligne. *
11 \***************************************************************************/
13 if (!defined('_ECRIRE_INC_VERSION')) return;
15 // fonction pour la premiere connexion a un serveur MySQL
17 // http://doc.spip.org/@req_mysql_dist
18 function req_mysql_dist($host, $port, $login, $pass, $db='', $prefixe='') {
19 if (!charger_php_extension('mysql')) return false;
20 if ($port > 0) $host = "$host:$port";
21 $link = @mysql_connect
($host, $login, $pass, true);
23 spip_log('Echec mysql_connect. Erreur : ' . mysql_error(),'mysql');
31 $ok = spip_mysql_selectdb($db);
32 if (defined('_MYSQL_SET_SQL_MODE')
33 OR defined('_MYSQL_SQL_MODE_TEXT_NOT_NULL') // compatibilite
35 mysql_query($last = "set sql_mode=''");
37 # spip_log("Connexion vers $host, base $db, prefixe $prefixe "
38 # . ($ok ? "operationnelle sur $link" : 'impossible'));
40 return !$ok ?
false : array(
43 'prefixe' => $prefixe ?
$prefixe : $db,
44 'link' => $GLOBALS['mysql_rappel_connexion'] ?
$link : false,
48 $GLOBALS['spip_mysql_functions_1'] = array(
49 'alter' => 'spip_mysql_alter',
50 'count' => 'spip_mysql_count',
51 'countsel' => 'spip_mysql_countsel',
52 'create' => 'spip_mysql_create',
53 'create_base' => 'spip_mysql_create_base',
54 'create_view' => 'spip_mysql_create_view',
55 'date_proche' => 'spip_mysql_date_proche',
56 'delete' => 'spip_mysql_delete',
57 'drop_table' => 'spip_mysql_drop_table',
58 'drop_view' => 'spip_mysql_drop_view',
59 'errno' => 'spip_mysql_errno',
60 'error' => 'spip_mysql_error',
61 'explain' => 'spip_mysql_explain',
62 'fetch' => 'spip_mysql_fetch',
63 'seek' => 'spip_mysql_seek',
64 'free' => 'spip_mysql_free',
65 'hex' => 'spip_mysql_hex',
66 'in' => 'spip_mysql_in',
67 'insert' => 'spip_mysql_insert',
68 'insertq' => 'spip_mysql_insertq',
69 'insertq_multi' => 'spip_mysql_insertq_multi',
70 'listdbs' => 'spip_mysql_listdbs',
71 'multi' => 'spip_mysql_multi',
72 'optimize' => 'spip_mysql_optimize',
73 'query' => 'spip_mysql_query',
74 'quote' => 'spip_mysql_quote',
75 'replace' => 'spip_mysql_replace',
76 'replace_multi' => 'spip_mysql_replace_multi',
77 'repair' => 'spip_mysql_repair',
78 'select' => 'spip_mysql_select',
79 'selectdb' => 'spip_mysql_selectdb',
80 'set_charset' => 'spip_mysql_set_charset',
81 'get_charset' => 'spip_mysql_get_charset',
82 'showbase' => 'spip_mysql_showbase',
83 'showtable' => 'spip_mysql_showtable',
84 'update' => 'spip_mysql_update',
85 'updateq' => 'spip_mysql_updateq',
87 // association de chaque nom http d'un charset aux couples MySQL
89 'cp1250'=>array('charset'=>'cp1250','collation'=>'cp1250_general_ci'),
90 'cp1251'=>array('charset'=>'cp1251','collation'=>'cp1251_general_ci'),
91 'cp1256'=>array('charset'=>'cp1256','collation'=>'cp1256_general_ci'),
92 'iso-8859-1'=>array('charset'=>'latin1','collation'=>'latin1_swedish_ci'),
93 //'iso-8859-6'=>array('charset'=>'latin1','collation'=>'latin1_swedish_ci'),
94 'iso-8859-9'=>array('charset'=>'latin5','collation'=>'latin5_turkish_ci'),
95 //'iso-8859-15'=>array('charset'=>'latin1','collation'=>'latin1_swedish_ci'),
96 'utf-8'=>array('charset'=>'utf8','collation'=>'utf8_general_ci'))
99 // http://doc.spip.org/@spip_mysql_set_charset
100 function spip_mysql_set_charset($charset, $serveur='',$requeter=true,$requeter=true){
101 $connexion = &$GLOBALS['connexions'][$serveur ?
strtolower($serveur) : 0];
102 #spip_log("changement de charset sql : "."SET NAMES "._q($charset));
103 return mysql_query($connexion['last'] = "SET NAMES "._q($charset));
106 // http://doc.spip.org/@spip_mysql_get_charset
107 function spip_mysql_get_charset($charset=array(), $serveur='',$requeter=true){
108 $connexion = &$GLOBALS['connexions'][$serveur ?
strtolower($serveur) : 0];
109 $connexion['last'] = $c = "SHOW CHARACTER SET"
110 . (!$charset ?
'' : (" LIKE "._q($charset['charset'])));
112 return spip_mysql_fetch(mysql_query($c), NULL, $serveur);
115 // obsolete, ne plus utiliser
116 // http://doc.spip.org/@spip_query_db
117 function spip_query_db($query, $serveur='',$requeter=true) {
118 return spip_mysql_query($query, $serveur, $requeter);
121 // Fonction de requete generale, munie d'une trace a la demande
123 // http://doc.spip.org/@spip_mysql_query
124 function spip_mysql_query($query, $serveur='',$requeter=true) {
126 $connexion = &$GLOBALS['connexions'][$serveur ?
strtolower($serveur) : 0];
127 $prefixe = $connexion['prefixe'];
128 $link = $connexion['link'];
129 $db = $connexion['db'];
131 $query = traite_query($query, $db, $prefixe);
133 // renvoyer la requete inerte si demandee
134 if (!$requeter) return $query;
136 if (isset($_GET['var_profile'])) {
137 include_spip('public/tracer');
138 $t = trace_query_start();
141 $connexion['last'] = $query;
142 $r = $link ?
mysql_query($query, $link) : mysql_query($query);
144 if ($e = spip_mysql_errno($serveur)) // Log de l'erreur eventuelle
145 $e .= spip_mysql_error($query, $serveur); // et du fautif
146 return $t ?
trace_query_end($query, $t, $r, $e, $serveur) : $r;
149 // http://doc.spip.org/@spip_mysql_alter
150 function spip_mysql_alter($query, $serveur='',$requeter=true){
151 return spip_mysql_query("ALTER ".$query, $serveur, $requeter); # i.e. que PG se debrouille
154 // http://doc.spip.org/@spip_mysql_optimize
155 function spip_mysql_optimize($table, $serveur='',$requeter=true){
156 spip_mysql_query("OPTIMIZE TABLE ". $table);
160 // http://doc.spip.org/@spip_mysql_explain
161 function spip_mysql_explain($query, $serveur='',$requeter=true){
162 if (strpos(ltrim($query), 'SELECT') !== 0) return array();
163 $connexion = &$GLOBALS['connexions'][$serveur ?
strtolower($serveur) : 0];
164 $prefixe = $connexion['prefixe'];
165 $link = $connexion['link'];
166 $db = $connexion['db'];
168 $query = 'EXPLAIN ' . traite_query($query, $db, $prefixe);
169 $r = $link ?
mysql_query($query, $link) : mysql_query($query);
170 return spip_mysql_fetch($r, NULL, $serveur);
172 // fonction instance de sql_select, voir ses specs dans abstract.php
173 // traite_query pourrait y etre fait d'avance ce serait moins cher
174 // Les \n et \t sont utiles au debusqueur.
177 // http://doc.spip.org/@spip_mysql_select
178 function spip_mysql_select($select, $from, $where='',
179 $groupby='', $orderby='', $limit='', $having='',
180 $serveur='',$requeter=true) {
183 $from = (!is_array($from) ?
$from : spip_mysql_select_as($from));
185 calculer_mysql_expression('SELECT', $select, ', ')
186 . calculer_mysql_expression('FROM', $from, ', ')
187 . calculer_mysql_expression('WHERE', $where)
188 . calculer_mysql_expression('GROUP BY', $groupby, ',')
189 . calculer_mysql_expression('HAVING', $having)
190 . ($orderby ?
("\nORDER BY " . spip_mysql_order($orderby)) :'')
191 . ($limit ?
"\nLIMIT $limit" : '');
193 // renvoyer la requete inerte si demandee
194 if ($requeter === false) return $query;
195 $r = spip_mysql_query($query, $serveur, $requeter);
196 return $r ?
$r : $query;
199 // 0+x avec un champ x commencant par des chiffres est converti par MySQL
200 // en le nombre qui commence x.
201 // Pas portable malheureusement, on laisse pour le moment.
203 // http://doc.spip.org/@spip_mysql_order
204 function spip_mysql_order($orderby)
206 return (is_array($orderby)) ?
join(", ", $orderby) : $orderby;
210 // http://doc.spip.org/@calculer_mysql_where
211 function calculer_mysql_where($v)
216 $op = array_shift($v);
220 $arg = calculer_mysql_where(array_shift($v));
224 $arg2 = calculer_mysql_where(array_shift($v));
226 return "($arg $op $arg2)";
227 } else return "($arg $op ($arg2) : $v[0])";
232 // http://doc.spip.org/@calculer_mysql_expression
233 function calculer_mysql_expression($expression, $v, $join = 'AND'){
237 $exp = "\n$expression ";
242 if (strtoupper($join) === 'AND')
243 return $exp . join("\n\t$join ", array_map('calculer_mysql_where', $v));
245 return $exp . join($join, $v);
249 // http://doc.spip.org/@spip_mysql_select_as
250 function spip_mysql_select_as($args)
253 foreach($args as $k => $v) {
254 if (substr($k,-1)=='@') {
255 // c'est une jointure qui se refere au from precedent
260 if (!is_numeric($k)) {
261 $p = strpos($v, " ");
263 $v = substr($v,0,$p) . " AS `$k`" . substr($v,$p);
264 else $v .= " AS `$k`";
270 return substr($res,2);
274 // Changer les noms des tables ($table_prefix)
275 // Quand tous les appels SQL seront abstraits on pourra l'ameliorer
277 define('_SQL_PREFIXE_TABLE', '/([,\s])spip_/S');
279 // http://doc.spip.org/@traite_query
280 function traite_query($query, $db='', $prefixe='') {
282 if ($GLOBALS['mysql_rappel_nom_base'] AND $db)
283 $pref = '`'. $db.'`.';
287 $pref .= $prefixe . "_";
289 if (!preg_match('/\s(SET|VALUES|WHERE|DATABASE)\s/i', $query, $regs)) {
292 $suite = strstr($query, $regs[0]);
293 $query = substr($query, 0, -strlen($suite));
294 if (preg_match('/^(.*?)([(]\s*SELECT\b.*)$/si', $suite, $r)) {
295 $suite = $r[1] . traite_query($r[2], $db, $prefixe);
298 $r = preg_replace(_SQL_PREFIXE_TABLE
, '\1'.$pref, $query) . $suite;
299 # spip_log("traite_query: " . substr($r,0, 50) . ".... $db, $prefixe");
303 // http://doc.spip.org/@spip_mysql_selectdb
304 function spip_mysql_selectdb($db) {
305 $ok = mysql_select_db($db);
307 spip_log('Echec mysql_selectdb. Erreur : ' . mysql_error(),'mysql');
312 // Retourne les bases accessibles
313 // Attention on n'a pas toujours les droits
315 // http://doc.spip.org/@spip_mysql_listdbs
316 function spip_mysql_listdbs($serveur='',$requeter=true) {
317 return @mysql_list_dbs
();
320 // Fonction de creation d'une table SQL nommee $nom
321 // a partir de 2 tableaux PHP :
322 // champs: champ => type
323 // cles: type-de-cle => champ(s)
324 // si $autoinc, c'est une auto-increment (i.e. serial) sur la Primary Key
325 // Le nom des caches doit etre inferieur a 64 caracteres
327 // http://doc.spip.org/@spip_mysql_create
328 function spip_mysql_create($nom, $champs, $cles, $autoinc=false, $temporary=false, $serveur='',$requeter=true) {
330 $query = ''; $keys = ''; $s = ''; $p='';
332 // certains plugins declarent les tables (permet leur inclusion dans le dump)
333 // sans les renseigner (laisse le compilo recuperer la description)
334 if (!is_array($champs) ||
!is_array($cles))
337 $res = spip_mysql_query("SELECT version() as v");
338 if ($row = mysql_fetch_array($res)
339 && (version_compare($row['v'],'5.0','>=')))
340 spip_mysql_query("SET sql_mode=''");
342 foreach($cles as $k => $v) {
343 $keys .= "$s\n\t\t$k ($v)";
344 if ($k == "PRIMARY KEY")
351 if (@$GLOBALS['meta']['charset_sql_base'])
352 $character_set .= " CHARACTER SET ".$GLOBALS['meta']['charset_sql_base'];
353 if (@$GLOBALS['meta']['charset_collation_sql_base'])
354 $character_set .= " COLLATE ".$GLOBALS['meta']['charset_collation_sql_base'];
356 foreach($champs as $k => $v) {
357 if (preg_match(',([a-z]*\s*(\(\s*[0-9]*\s*\))?(\s*binary)?),i',$v,$defs)){
358 if (preg_match(',(char|text),i',$defs[1]) AND !preg_match(',binary,i',$defs[1]) ){
359 $v = $defs[1] . $character_set . ' ' . substr($v,strlen($defs[1]));
363 $query .= "$s\n\t\t$k $v"
364 . (($autoinc && ($p == $k) && preg_match(',\b(big|small|medium)?int\b,i', $v))
370 $temporary = $temporary ?
'TEMPORARY':'';
371 $q = "CREATE $temporary TABLE IF NOT EXISTS $nom ($query" . ($keys ?
",$keys" : '') . ")".
372 ($character_set?
" DEFAULT $character_set":"")
374 return spip_mysql_query($q, $serveur);
377 function spip_mysql_create_base($nom, $serveur='',$requeter=true) {
378 return spip_mysql_query("CREATE DATABASE `$nom`", $serveur, $requeter);
381 // Fonction de creation d'une vue SQL nommee $nom
382 // http://doc.spip.org/@spip_mysql_create_view
383 function spip_mysql_create_view($nom, $query_select, $serveur='',$requeter=true) {
384 if (!$query_select) return false;
386 if (sql_showtable($nom, false, $serveur)) {
387 spip_log("Echec creation d'une vue sql ($nom) car celle-ci existe deja (serveur:$serveur)");
391 $query = "CREATE VIEW $nom AS ". $query_select;
392 return spip_mysql_query($query, $serveur, $requeter);
396 // http://doc.spip.org/@spip_mysql_drop_table
397 function spip_mysql_drop_table($table, $exist='', $serveur='',$requeter=true)
399 if ($exist) $exist =" IF EXISTS";
400 return spip_mysql_query("DROP TABLE$exist `$table`", $serveur, $requeter);
404 // http://doc.spip.org/@spip_mysql_drop_view
405 function spip_mysql_drop_view($view, $exist='', $serveur='',$requeter=true) {
406 if ($exist) $exist =" IF EXISTS";
407 return spip_mysql_query("DROP VIEW$exist `$view`", $serveur, $requeter);
410 // http://doc.spip.org/@spip_mysql_showbase
411 function spip_mysql_showbase($match, $serveur='',$requeter=true)
413 return spip_mysql_query("SHOW TABLES LIKE " . _q($match), $serveur, $requeter);
416 // http://doc.spip.org/@spip_mysql_repair
417 function spip_mysql_repair($table, $serveur='',$requeter=true)
419 return spip_mysql_query("REPAIR TABLE `$table`", $serveur, $requeter);
422 // Recupere la definition d'une table ou d'une vue MySQL
423 // colonnes, indexes, etc.
424 // au meme format que la definition des tables de SPIP
425 // http://doc.spip.org/@spip_mysql_showtable
426 function spip_mysql_showtable($nom_table, $serveur='',$requeter=true)
428 $s = spip_mysql_query("SHOW CREATE TABLE `$nom_table`", $serveur, $requeter);
430 if (!$requeter) return $s;
432 list(,$a) = mysql_fetch_array($s ,MYSQL_NUM
);
433 if (preg_match("/^[^(),]*\((([^()]*\([^()]*\)[^()]*)*)\)[^()]*$/", $a, $r)){
435 if (preg_match("/^(.*?),([^,]*KEY.*)$/s", $dec, $r)) {
443 foreach(preg_split("/,\s*`/",$dec) as $v) {
444 preg_match("/^\s*`?([^`]*)`\s*(.*)/",$v,$r);
445 $fields[strtolower($r[1])] = $r[2];
449 foreach(preg_split('/\)\s*,?/',$namedkeys) as $v) {
450 if (preg_match("/^\s*([^(]*)\((.*)$/",$v,$r)) {
451 $k = str_replace("`", '', trim($r[1]));
452 $t = strtolower(str_replace("`", '', $r[2]));
453 if ($k && !isset($keys[$k])) $keys[$k] = $t; else $keys[] = $t;
457 return array('field' => $fields, 'key' => $keys);
460 $res = spip_mysql_query("SHOW COLUMNS FROM `$nom_table`", $serveur);
464 while($val = spip_mysql_fetch($res)) {
465 $nfields[$val["Field"]] = $val['Type'];
466 if($val['Null']=='NO') {
467 $nfields[$val["Field"]] .= ' NOT NULL';
469 if($val['Default'] === '0' ||
$val['Default']) {
470 if(preg_match('/[A-Z_]/',$val['Default'])) {
471 $nfields[$val["Field"]] .= ' DEFAULT '.$val['Default'];
473 $nfields[$val["Field"]] .= " DEFAULT '".$val['Default']."'";
477 $nfields[$val["Field"]] .= ' '.$val['Extra'];
478 if($val['Key'] == 'PRI') {
479 $nkeys['PRIMARY KEY'] = $val["Field"];
480 } else if($val['Key'] == 'MUL') {
481 $nkeys['KEY '.$val["Field"]] = $val["Field"];
482 } else if($val['Key'] == 'UNI') {
483 $nkeys['UNIQUE KEY '.$val["Field"]] = $val["Field"];
486 spip_mysql_free($res);
487 return array('field' => $nfields, 'key' => $nkeys);
493 // Recuperation des resultats
496 // http://doc.spip.org/@spip_mysql_fetch
497 function spip_mysql_fetch($r, $t='', $serveur='',$requeter=true) {
498 if (!$t) $t = MYSQL_ASSOC
;
499 if ($r) return mysql_fetch_array($r, $t);
502 function spip_mysql_seek($r, $row_number, $serveur='',$requeter=true) {
503 if ($r) return mysql_data_seek($r,$row_number);
507 // http://doc.spip.org/@spip_mysql_countsel
508 function spip_mysql_countsel($from = array(), $where = array(),
509 $groupby = '', $having = array(), $serveur='',$requeter=true)
511 $c = !$groupby ?
'*' : ('DISTINCT ' . (is_string($groupby) ?
$groupby : join(',', $groupby)));
513 $r = spip_mysql_select("COUNT($c)", $from, $where,'', '', '', $having, $serveur, $requeter);
515 if (!$requeter) return $r;
516 if (!is_resource($r)) return 0;
517 list($c) = mysql_fetch_array($r, MYSQL_NUM
);
518 mysql_free_result($r);
522 // Bien specifier le serveur auquel on s'adresse,
523 // mais a l'install la globale n'est pas encore completement definie
524 // http://doc.spip.org/@spip_mysql_error
525 function spip_mysql_error($query='', $serveur='',$requeter=true) {
526 $link = $GLOBALS['connexions'][$serveur ?
strtolower($serveur) : 0]['link'];
527 $s = $link ?
mysql_error($link) : mysql_error();
528 if ($s) spip_log("$s - $query", 'mysql');
532 // A transposer dans les portages
533 // http://doc.spip.org/@spip_mysql_errno
534 function spip_mysql_errno($serveur='',$requeter=true) {
535 $link = $GLOBALS['connexions'][$serveur ?
$serveur : 0]['link'];
536 $s = $link ?
mysql_errno($link) : mysql_errno();
537 // 2006 MySQL server has gone away
538 // 2013 Lost connection to MySQL server during query
539 if (in_array($s, array(2006,2013)))
540 define('spip_interdire_cache', true);
541 if ($s) spip_log("Erreur mysql $s");
545 // Interface de abstract_sql
546 // http://doc.spip.org/@spip_mysql_count
547 function spip_mysql_count($r, $serveur='',$requeter=true) {
548 if ($r) return mysql_num_rows($r);
552 // http://doc.spip.org/@spip_mysql_free
553 function spip_mysql_free($r, $serveur='',$requeter=true) {
554 return mysql_free_result($r);
557 // http://doc.spip.org/@spip_mysql_insert
558 function spip_mysql_insert($table, $champs, $valeurs, $desc='', $serveur='',$requeter=true) {
560 $connexion = &$GLOBALS['connexions'][$serveur ?
strtolower($serveur) : 0];
561 $prefixe = $connexion['prefixe'];
562 $link = $connexion['link'];
563 $db = $connexion['db'];
565 if ($prefixe) $table = preg_replace('/^spip/', $prefixe, $table);
567 $query ="INSERT INTO $table $champs VALUES $valeurs";
568 if (!$requeter) return $query;
570 if (isset($_GET['var_profile'])) {
571 include_spip('public/tracer');
572 $t = trace_query_start();
575 $connexion['last'] = $query;
577 if (mysql_query($query, $link))
578 $r = mysql_insert_id($link);
580 if ($e = spip_mysql_errno($serveur)) // Log de l'erreur eventuelle
581 $e .= spip_mysql_error($query, $serveur); // et du fautif
583 return $t ?
trace_query_end($query, $t, $r, $e, $serveur) : $r;
585 // return $r ? $r : (($r===0) ? -1 : 0); pb avec le multi-base.
588 // http://doc.spip.org/@spip_mysql_insertq
589 function spip_mysql_insertq($table, $couples=array(), $desc=array(), $serveur='',$requeter=true) {
591 if (!$desc) $desc = description_table($table);
592 if (!$desc) $couples = array();
593 $fields = isset($desc['field'])?
$desc['field']:array();
595 foreach ($couples as $champ => $val) {
596 $couples[$champ]= spip_mysql_cite($val, $fields[$champ]);
599 return spip_mysql_insert($table, "(".join(',',array_keys($couples)).")", "(".join(',', $couples).")", $desc, $serveur, $requeter);
603 // http://doc.spip.org/@spip_mysql_insertq_multi
604 function spip_mysql_insertq_multi($table, $tab_couples=array(), $desc=array(), $serveur='',$requeter=true) {
606 if (!$desc) $desc = description_table($table);
607 if (!$desc) $tab_couples = array();
608 $fields = isset($desc['field'])?
$desc['field']:array();
610 $cles = "(" . join(',',array_keys($tab_couples[0])) . ')';
612 foreach ($tab_couples as $couples) {
613 foreach ($couples as $champ => $val){
614 $couples[$champ]= spip_mysql_cite($val, $fields[$champ]);
616 $valeurs[] = '(' .join(',', $couples) . ')';
619 // Inserer par groupes de 100 max pour eviter un debordement de pile
622 $ins = array_slice($valeurs,0,100);
623 $valeurs = array_slice($valeurs,100);
624 $r = spip_mysql_insert($table, $cles, join(', ', $ins), $desc, $serveur, $requeter);
625 } while (count($valeurs));
627 return $r; // dans le cas d'une table auto_increment, le dernier insert_id
630 // http://doc.spip.org/@spip_mysql_update
631 function spip_mysql_update($table, $champs, $where='', $desc='', $serveur='',$requeter=true) {
633 foreach ($champs as $champ => $val)
634 $set[] = $champ . "=$val";
636 return spip_mysql_query(
637 calculer_mysql_expression('UPDATE', $table, ',')
638 . calculer_mysql_expression('SET', $set, ',')
639 . calculer_mysql_expression('WHERE', $where),
640 $serveur, $requeter);
643 // idem, mais les valeurs sont des constantes a mettre entre apostrophes
644 // sauf les expressions de date lorsqu'il s'agit de fonctions SQL (NOW etc)
645 // http://doc.spip.org/@spip_mysql_updateq
646 function spip_mysql_updateq($table, $champs, $where='', $desc=array(), $serveur='',$requeter=true) {
648 if (!$champs) return;
649 if (!$desc) $desc = description_table($table);
650 if (!$desc) $champs = array(); else $fields = $desc['field'];
652 foreach ($champs as $champ => $val) {
653 $set[] = $champ . '=' . spip_mysql_cite($val, $fields[$champ]);
655 return spip_mysql_query(
656 calculer_mysql_expression('UPDATE', $table, ',')
657 . calculer_mysql_expression('SET', $set, ',')
658 . calculer_mysql_expression('WHERE', $where),
659 $serveur, $requeter);
662 // http://doc.spip.org/@spip_mysql_delete
663 function spip_mysql_delete($table, $where='', $serveur='',$requeter=true) {
664 $res = spip_mysql_query(
665 calculer_mysql_expression('DELETE FROM', $table, ',')
666 . calculer_mysql_expression('WHERE', $where),
667 $serveur, $requeter);
668 if (!$requeter) return $res;
670 $connexion = &$GLOBALS['connexions'][$serveur ?
$serveur : 0];
671 $link = $connexion['link'];
672 return $link ?
mysql_affected_rows($link) : mysql_affected_rows();
678 // http://doc.spip.org/@spip_mysql_replace
679 function spip_mysql_replace($table, $couples, $desc=array(), $serveur='',$requeter=true) {
680 return spip_mysql_query("REPLACE $table (" . join(',',array_keys($couples)) . ') VALUES (' .join(',',array_map('_q', $couples)) . ')', $serveur, $requeter);
684 // http://doc.spip.org/@spip_mysql_replace_multi
685 function spip_mysql_replace_multi($table, $tab_couples, $desc=array(), $serveur='',$requeter=true) {
686 $cles = "(" . join(',',array_keys($tab_couples[0])). ')';
688 foreach ($tab_couples as $couples) {
689 $valeurs[] = '(' .join(',',array_map('_q', $couples)) . ')';
691 $valeurs = implode(', ',$valeurs);
692 return spip_mysql_query("REPLACE $table $cles VALUES $valeurs", $serveur, $requeter);
696 // http://doc.spip.org/@spip_mysql_multi
697 function spip_mysql_multi ($objet, $lang) {
698 $lengthlang = strlen("[$lang]");
699 $posmulti = "INSTR(".$objet.", '<multi>')";
700 $posfinmulti = "INSTR(".$objet.", '</multi>')";
701 $debutchaine = "LEFT(".$objet.", $posmulti-1)";
702 $finchaine = "RIGHT(".$objet.", CHAR_LENGTH(".$objet.") -(7+$posfinmulti))";
703 $chainemulti = "TRIM(SUBSTRING(".$objet.", $posmulti+7, $posfinmulti -(7+$posmulti)))";
704 $poslang = "INSTR($chainemulti,'[".$lang."]')";
705 $poslang = "IF($poslang=0,INSTR($chainemulti,']')+1,$poslang+$lengthlang)";
706 $chainelang = "TRIM(SUBSTRING(".$objet.", $posmulti+7+$poslang-1,$posfinmulti -($posmulti+7+$poslang-1) ))";
707 $posfinlang = "INSTR(".$chainelang.", '[')";
708 $chainelang = "IF($posfinlang>0,LEFT($chainelang,$posfinlang-1),$chainelang)";
709 //$chainelang = "LEFT($chainelang,$posfinlang-1)";
710 $retour = "(TRIM(IF($posmulti = 0 , ".
711 " TRIM(".$objet."), ".
726 // http://doc.spip.org/@spip_mysql_hex
727 function spip_mysql_hex($v)
732 function spip_mysql_quote($v, $type='')
734 return ($type === 'int' AND !$v) ?
'0' : _q($v);
737 function spip_mysql_date_proche($champ, $interval, $unite)
741 . (($interval <= 0) ?
'>' : '<')
742 . (($interval <= 0) ?
'DATE_SUB' : 'DATE_ADD')
744 . sql_quote(date('Y-m-d H:i:s'))
746 . (($interval > 0) ?
$interval : (0-$interval))
753 // IN (...) est limite a 255 elements, d'ou cette fonction assistante
755 // http://doc.spip.org/@spip_mysql_in
756 function spip_mysql_in($val, $valeurs, $not='', $serveur='',$requeter=true) {
759 while ($n = strpos($valeurs, ',', $n+
1)) {
761 $in_sql .= "($val $not IN (" .
762 substr($valeurs, 0, $n) .
764 ($not ?
"AND\t" : "OR\t");
765 $valeurs = substr($valeurs, $n+
1);
769 $in_sql .= "($val $not IN ($valeurs))";
774 // pour compatibilite. Ne plus utiliser.
775 // http://doc.spip.org/@calcul_mysql_in
776 function calcul_mysql_in($val, $valeurs, $not='') {
777 if (is_array($valeurs))
778 $valeurs = join(',', array_map('_q', $valeurs));
779 elseif ($valeurs[0]===',') $valeurs = substr($valeurs,1);
780 if (!strlen(trim($valeurs))) return ($not ?
"0=0" : '0=1');
781 return spip_mysql_in($val, $valeurs, $not);
784 // http://doc.spip.org/@spip_mysql_cite
785 function spip_mysql_cite($v, $type) {
786 if (sql_test_date($type) AND preg_match('/^\w+\(/', $v)
787 OR (sql_test_int($type)
789 OR (ctype_xdigit(substr($v,2))
790 AND $v[0]=='0' AND $v[1]=='x'))))
792 else return ("'" . addslashes($v) . "'");
795 // Ces deux fonctions n'ont pas d'equivalent exact PostGres
796 // et ne sont la que pour compatibilite avec les extensions de SPIP < 1.9.3
799 // Poser un verrou local a un SPIP donne
800 // Changer de nom toutes les heures en cas de blocage MySQL (ca arrive)
802 // http://doc.spip.org/@spip_get_lock
803 function spip_get_lock($nom, $timeout = 0) {
805 define('_LOCK_TIME', intval(time()/3600-316982));
807 $connexion = &$GLOBALS['connexions'][0];
808 $prefixe = $connexion['prefixe'];
809 $nom = "$bd:$prefix:$nom" . _LOCK_TIME
;
811 $connexion['last'] = $q = "SELECT GET_LOCK(" . _q($nom) . ", $timeout) AS n";
812 $q = @sql_fetch
(mysql_query($q));
813 if (!$q) spip_log("pas de lock sql pour $nom");
817 // http://doc.spip.org/@spip_release_lock
818 function spip_release_lock($nom) {
820 $connexion = &$GLOBALS['connexions'][0];
821 $prefixe = $connexion['prefixe'];
822 $nom = "$bd:$prefix:$nom" . _LOCK_TIME
;
824 $connexion['last'] = $q = "SELECT RELEASE_LOCK(" . _q($nom) . ")";
828 // Renvoie false si on n'a pas les fonctions mysql (pour l'install)
829 // http://doc.spip.org/@spip_versions_mysql
830 function spip_versions_mysql() {
831 charger_php_extension('mysql');
832 return function_exists('mysql_query');
835 // Tester si mysql ne veut pas du nom de la base dans les requetes
837 // http://doc.spip.org/@test_rappel_nom_base_mysql
838 function test_rappel_nom_base_mysql($server_db)
840 $GLOBALS['mysql_rappel_nom_base'] = true;
841 sql_delete('spip_meta', "nom='mysql_rappel_nom_base'", $server_db);
842 $ok = spip_query("INSERT INTO spip_meta (nom,valeur) VALUES ('mysql_rappel_nom_base', 'test')", $server_db);
845 sql_delete('spip_meta', "nom='mysql_rappel_nom_base'", $server_db);
848 $GLOBALS['mysql_rappel_nom_base'] = false;
849 return "\$GLOBALS['mysql_rappel_nom_base'] = false; ".
850 "/* echec de test_rappel_nom_base_mysql a l'installation. */\n";
854 // http://doc.spip.org/@test_sql_mode_mysql
855 function test_sql_mode_mysql($server_db){
856 $res = sql_select("version() as v",'','','','','','',$server_db);
857 $row = sql_fetch($res,$server_db);
858 if (version_compare($row['v'],'5.0.0','>=')){
859 define('_MYSQL_SET_SQL_MODE',true);
860 return "define('_MYSQL_SET_SQL_MODE',true);\n";