| 1 |
<? |
| 2 |
|
| 3 |
class Database { |
| 4 |
|
| 5 |
var $properties; |
| 6 |
var $dbh; |
| 7 |
var $ref_dssession; |
| 8 |
|
| 9 |
var $bool_show_errors; |
| 10 |
var $bool_stop_on_errors; |
| 11 |
var $bool_ImplicitUpdate; |
| 12 |
|
| 13 |
var $currentQuery; |
| 14 |
|
| 15 |
function Database($args) { |
| 16 |
if (!isset($args['connection'])) { |
| 17 |
$args['connection'] = 'none'; |
| 18 |
} |
| 19 |
$this->properties = $args['connection']; |
| 20 |
|
| 21 |
$this->bool_show_errors = 0; |
| 22 |
isset($args['show_errors']) && ($this->bool_show_errors = $args['show_errors']); |
| 23 |
|
| 24 |
$this->bool_stop_on_errors = 0; |
| 25 |
isset($args['stop_on_errors']) && ($this->bool_stop_on_errors = $args['stop_on_errors']); |
| 26 |
|
| 27 |
$this->bool_ImplicitUpdate = 0; |
| 28 |
isset($args['dynamic_updates']) && ($this->bool_ImplicitUpdate = $args['dynamic_updates']); |
| 29 |
|
| 30 |
$this->connect(); |
| 31 |
} |
| 32 |
|
| 33 |
function connect() { |
| 34 |
switch ($this->properties['type']) { |
| 35 |
|
| 36 |
case 'mysql': |
| 37 |
($this->dbh = @mysql_pconnect($this->properties['host'], $this->properties['user'], $this->properties['pass'])) |
| 38 |
|| die("Could not connect to rdbms-daemon (type=\"{$this->properties['type']}\", host=\"{$this->properties['host']}\")"); |
| 39 |
if (!mysql_select_db($this->properties['name'], $this->dbh)) { |
| 40 |
if (!$this->createDatabase()) { |
| 41 |
die("Could not create rdbms-database (name=\"{$this->properties['name']}\")"); |
| 42 |
} |
| 43 |
if (!mysql_select_db($this->properties['name'], $this->dbh)) { |
| 44 |
die("Could not open rdbms-database. (name=\"{$this->properties['name']}\") We already tried to create it, but: no way!"); |
| 45 |
} |
| 46 |
} |
| 47 |
break; |
| 48 |
|
| 49 |
case 'interbase': |
| 50 |
if (!function_exists('ibase_pconnect')) { die("There seems to be no interbase support on this server, since \"function_exists('ibase_pconnect')\" returned \"false\"."); } |
| 51 |
$ibase_dsn = $this->properties['host'] . ':' . $this->properties['name']; |
| 52 |
($this->dbh = @ibase_pconnect($ibase_dsn, $this->properties['user'], $this->properties['pass'])) |
| 53 |
|| die("Could not connect to rdbms-daemon (type=\"{$this->properties['type']}\", dsn=\"$ibase_dsn\")"); |
| 54 |
//$this->_handleError(); |
| 55 |
break; |
| 56 |
} |
| 57 |
} |
| 58 |
|
| 59 |
function &query($sql) { |
| 60 |
|
| 61 |
$this->currentQuery = $sql; |
| 62 |
|
| 63 |
slog("Database: &query($sql)"); |
| 64 |
switch ($this->properties['type']) { |
| 65 |
|
| 66 |
case 'mysql': |
| 67 |
if ($tmp_rs =& mysql_query($sql, $this->dbh)) { |
| 68 |
return $tmp_rs; |
| 69 |
} else { |
| 70 |
$this->_handleError(); |
| 71 |
} |
| 72 |
break; |
| 73 |
|
| 74 |
case 'interbase': |
| 75 |
if ($tmp_rs = @ibase_query($this->dbh, $sql)) { |
| 76 |
return $tmp_rs; |
| 77 |
} else { |
| 78 |
$this->_handleError(); |
| 79 |
} |
| 80 |
break; |
| 81 |
|
| 82 |
} |
| 83 |
} |
| 84 |
|
| 85 |
function fetchRow($resultset) { |
| 86 |
switch ($this->properties['type']) { |
| 87 |
case 'mysql': |
| 88 |
if ( (isset($resultset)) && ($tmp_row = mysql_fetch_assoc($resultset)) ) { |
| 89 |
return $tmp_row; |
| 90 |
} |
| 91 |
break; |
| 92 |
} |
| 93 |
} |
| 94 |
|
| 95 |
function getRowCount($resultset) { |
| 96 |
switch ($this->properties['type']) { |
| 97 |
case 'mysql': |
| 98 |
if ( (isset($resultset)) && ($tmp_count = mysql_num_rows($resultset)) ) { |
| 99 |
return $tmp_count; |
| 100 |
} |
| 101 |
break; |
| 102 |
} |
| 103 |
} |
| 104 |
|
| 105 |
function getLastInsertId() { |
| 106 |
switch ($this->properties['type']) { |
| 107 |
case 'mysql': |
| 108 |
if ( $tmp_id = mysql_insert_id($this->dbh) ) { |
| 109 |
return $tmp_id; |
| 110 |
} |
| 111 |
break; |
| 112 |
} |
| 113 |
} |
| 114 |
|
| 115 |
|
| 116 |
function retrieveMetaInfo(&$resultset) { |
| 117 |
|
| 118 |
$arr_meta = array(); |
| 119 |
|
| 120 |
switch ($this->properties['type']) { |
| 121 |
|
| 122 |
case 'mysql': |
| 123 |
if ( !isset($resultset)) { return; } |
| 124 |
|
| 125 |
// - - - - - - - - - - - - - - - |
| 126 |
// table-metadata |
| 127 |
//$arr_meta['table']['name'] = |
| 128 |
|
| 129 |
// - - - - - - - - - - - - - - - |
| 130 |
// field-metadata |
| 131 |
if ($fields = @mysql_num_fields($resultset)) { |
| 132 |
$arr_meta['table']['name'] = mysql_field_table($resultset, 0); |
| 133 |
$i = 0; |
| 134 |
while ($i < $fields) { |
| 135 |
$fieldname = mysql_field_name($resultset, $i); |
| 136 |
$arr_meta['fields'][$fieldname] = array( |
| 137 |
'type' => mysql_field_type($resultset, $i), |
| 138 |
'table' => mysql_field_table($resultset, $i), |
| 139 |
'name' => mysql_field_name($resultset, $i), |
| 140 |
'len' => mysql_field_len($resultset, $i), |
| 141 |
'flags' => mysql_field_flags($resultset, $i), |
| 142 |
); |
| 143 |
$i++; |
| 144 |
} |
| 145 |
} |
| 146 |
|
| 147 |
break; |
| 148 |
} |
| 149 |
return $arr_meta; |
| 150 |
|
| 151 |
} |
| 152 |
|
| 153 |
|
| 154 |
|
| 155 |
function getError() { |
| 156 |
switch ($this->properties['type']) { |
| 157 |
case 'mysql': |
| 158 |
return mysql_error($this->dbh); |
| 159 |
break; |
| 160 |
case 'interbase': |
| 161 |
return ibase_errmsg($this->dbh); |
| 162 |
break; |
| 163 |
} |
| 164 |
} |
| 165 |
|
| 166 |
|
| 167 |
function _handleError() { |
| 168 |
|
| 169 |
$dbErrorMessage = $this->getError(); |
| 170 |
$errortype = ''; |
| 171 |
|
| 172 |
switch ($this->properties['type']) { |
| 173 |
|
| 174 |
case 'mysql': |
| 175 |
// create tables (mysql) |
| 176 |
if ( preg_match("/Table '(.+)' doesn't exist/", $dbErrorMessage, $regs) ) { |
| 177 |
$errortype = "table_missing"; |
| 178 |
if ($regs[1]) { |
| 179 |
if ($this->bool_ImplicitUpdate) { |
| 180 |
return $this->_createTable($regs[1]); |
| 181 |
} |
| 182 |
} |
| 183 |
} |
| 184 |
break; |
| 185 |
|
| 186 |
case 'interbase': |
| 187 |
/* |
| 188 |
// create database (interbase) |
| 189 |
if ( preg_match('/I\/O error for file "(.+)" Error while trying to open file unknown Win32 error 2 /', $dbErrorMessage, $regs) ) { |
| 190 |
if ($regs[1]) { |
| 191 |
$this->createDatabase(); |
| 192 |
} |
| 193 |
} |
| 194 |
*/ |
| 195 |
// create table (interbase) |
| 196 |
if (preg_match('/Table unknown (.+).+$/', $dbErrorMessage, $regs)) { |
| 197 |
if ($tablename = $regs[1]) { |
| 198 |
if ($this->bool_ImplicitUpdate) { |
| 199 |
$this->_createTable($tablename); |
| 200 |
} |
| 201 |
} |
| 202 |
} |
| 203 |
break; |
| 204 |
|
| 205 |
} |
| 206 |
|
| 207 |
|
| 208 |
if ($this->bool_show_errors) { |
| 209 |
?> |
| 210 |
<br> |
| 211 |
<div style="width:550px;padding:5px;background:#dddddd;border:2px groove;"> |
| 212 |
unresolved database-error:<br> |
| 213 |
<b><i><?= $dbErrorMessage ?></i></b><hr> |
| 214 |
the query causing this error was:<br> |
| 215 |
<b><i><?= $this->currentQuery ?></i></b> |
| 216 |
</div> |
| 217 |
<? |
| 218 |
|
| 219 |
if ($errortype == 'table_missing') { |
| 220 |
?> |
| 221 |
<div style="width:550px;padding:10px;background:#aabbcc;border:2px groove;"> |
| 222 |
<b>Nähere Erläuterung / Vorschlag:</b> |
| 223 |
<ul> |
| 224 |
<li>Eine Objekt-/Datenoperation führte zum Zugriff auf eine nicht vorhandene Tabelle im RDBMS, der Prozess wurde angehalten.</li> |
| 225 |
<li>Bitte <a class="acontentlight" href="#">benachrichtigen</a> Sie Ihren Administrator oder unsere Entwicklungsabteilung.</li> |
| 226 |
<li> |
| 227 |
Die Tabelle "users" konnte nicht gefunden werden, Sie haben die Möglichkeit, |
| 228 |
diese Tabelle jetzt zu <a class="acontentlight" href="#">erstellen</a>, |
| 229 |
falls vom Administrator bereits Meta-Informationen vorgegeben wurden. Falls nicht, können Sie von hier aus - die entsprechenden |
| 230 |
Berechtigungen vorausgesetzt - in den <a class="acontentlight" href="#">Objekteditor</a> verzweigen, um die nötigen Meta-Informationen selbst zu definieren. |
| 231 |
</li> |
| 232 |
</ul> |
| 233 |
</div> |
| 234 |
<? |
| 235 |
} |
| 236 |
|
| 237 |
} |
| 238 |
|
| 239 |
if ($this->bool_stop_on_errors) { |
| 240 |
exit; |
| 241 |
} |
| 242 |
|
| 243 |
} |
| 244 |
|
| 245 |
function createDatabase() { |
| 246 |
switch ($this->properties['type']) { |
| 247 |
case 'mysql': |
| 248 |
return mysql_create_db($this->properties['name'], $this->dbh); |
| 249 |
break; |
| 250 |
case 'interbase': |
| 251 |
//return ibase_query($this->dbh, "CREATE DATABASE {$this->properties['name']};"); |
| 252 |
print "database \"{$this->properties['name']}\" does not exist, "; |
| 253 |
//$csql = "CREATE DATABASE {$this->properties['name']};"; |
| 254 |
//print "please create it by issuing a \"$csql\"."; |
| 255 |
print "please create it manually"; |
| 256 |
exit; |
| 257 |
break; |
| 258 |
} |
| 259 |
} |
| 260 |
|
| 261 |
function _createTable($tablename) { |
| 262 |
|
| 263 |
$tablename = strtolower($tablename); |
| 264 |
|
| 265 |
print "_createTable($tablename)<br>"; |
| 266 |
|
| 267 |
print "metadata:<br>"; |
| 268 |
if ($columnMetaData = $this->ref_dssession->PDL->rdbms_getColumnMetaData($tablename)) { |
| 269 |
while (list($column, $attribs) = each($columnMetaData)) { |
| 270 |
print $column . "<br>"; |
| 271 |
} |
| 272 |
} |
| 273 |
|
| 274 |
// HACK: |
| 275 |
// create a new PDLEngine-Object |
| 276 |
global $site; |
| 277 |
$pdl =& new PDLEngine( array('path_pdl' => $site->getAttribute('path_base') . 'pdl/' ) ); |
| 278 |
$pdl->loadModel('users'); |
| 279 |
$mo = $pdl->getModelObject("users.User"); |
| 280 |
|
| 281 |
return; |
| 282 |
|
| 283 |
$sql = "CREATE TABLE $tablename;"; |
| 284 |
print $sql . "<br>"; |
| 285 |
if ($this->query($sql)) { |
| 286 |
return 1; |
| 287 |
} |
| 288 |
|
| 289 |
/* |
| 290 |
switch ($this->properties['type']) { |
| 291 |
case 'mysql': |
| 292 |
break; |
| 293 |
case 'interbase': |
| 294 |
break; |
| 295 |
} |
| 296 |
*/ |
| 297 |
|
| 298 |
} |
| 299 |
|
| 300 |
|
| 301 |
function updateTable() { |
| 302 |
|
| 303 |
} |
| 304 |
|
| 305 |
} |
| 306 |
|
| 307 |
?> |
Parent Directory
| 
Revision Log
