Documentation TYPO3 par Ameos |
00001 <?php 00002 /* $Id: sql.php,v 2.6 2004/01/02 16:11:56 rabus Exp $ */ 00003 // vim: expandtab sw=4 ts=4 sts=4: 00004 error_reporting(E_ALL); 00023 function PMA_fieldTypes($db, $table,$use_backquotes) { 00024 PMA_mysql_select_db($db); 00025 $table_def = PMA_mysql_query('SHOW FIELDS FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table)); 00026 while($row = @PMA_mysql_fetch_array($table_def)) { 00027 $types[PMA_backquote($row['Field'],$use_backquotes)] = ereg_replace('\\(.*', '', $row['Type']); 00028 } 00029 return $types; 00030 } 00031 00039 function PMA_exportComment($text) { 00040 return PMA_exportOutputHandler('# ' . $text . $GLOBALS['crlf']); 00041 } 00042 00050 function PMA_exportHeader() { 00051 global $crlf; 00052 global $cfg; 00053 00054 $head = '# phpMyAdmin SQL Dump' . $crlf 00055 . '# version ' . PMA_VERSION . $crlf 00056 . '# http://www.phpmyadmin.net' . $crlf 00057 . '#' . $crlf 00058 . '# ' . $GLOBALS['strHost'] . ': ' . $cfg['Server']['host']; 00059 if (!empty($cfg['Server']['port'])) { 00060 $head .= ':' . $cfg['Server']['port']; 00061 } 00062 $head .= $crlf 00063 . '# ' . $GLOBALS['strGenTime'] . ': ' . PMA_localisedDate() . $crlf 00064 . '# ' . $GLOBALS['strServerVersion'] . ': ' . substr(PMA_MYSQL_INT_VERSION, 0, 1) . '.' . (int) substr(PMA_MYSQL_INT_VERSION, 1, 2) . '.' . (int) substr(PMA_MYSQL_INT_VERSION, 3) . $crlf 00065 . '# ' . $GLOBALS['strPHPVersion'] . ': ' . phpversion() . $crlf; 00066 return PMA_exportOutputHandler($head); 00067 } 00068 00078 function PMA_exportDBCreate($db) { 00079 global $crlf; 00080 if (isset($GLOBALS['drop_database'])) { 00081 if (!PMA_exportOutputHandler('DROP DATABASE ' . (isset($GLOBALS['use_backquotes']) ? PMA_backquote($db) : $db) . ';' . $crlf)) return FALSE; 00082 } 00083 $create_query = 'CREATE DATABASE ' . (isset($GLOBALS['use_backquotes']) ? PMA_backquote($db) : $db); 00084 if (PMA_MYSQL_INT_VERSION >= 40101) { 00085 $collation = PMA_getDbCollation($db); 00086 if (strpos($collation, '_')) { 00087 $create_query .= ' DEFAULT CHARACTER SET ' . substr($collation, 0, strpos($collation, '_')) . ' COLLATE ' . $collation; 00088 } else { 00089 $create_query .= ' DEFAULT CHARACTER SET ' . $collation; 00090 } 00091 } 00092 $create_query .= ';' . $crlf; 00093 if (!PMA_exportOutputHandler($create_query)) return FALSE; 00094 return PMA_exportOutputHandler('USE ' . $db . ';' . $crlf); 00095 } 00096 00106 function PMA_exportDBHeader($db) { 00107 global $crlf; 00108 $head = '# ' . $crlf 00109 . '# ' . $GLOBALS['strDatabase'] . ': ' . (isset($GLOBALS['use_backquotes']) ? PMA_backquote($db) : '\'' . $db . '\''). $crlf 00110 . '# ' . $crlf; 00111 return PMA_exportOutputHandler($head); 00112 } 00113 00123 function PMA_exportDBFooter($db) { 00124 if (isset($GLOBALS['sql_constraints'])) return PMA_exportOutputHandler($GLOBALS['sql_constraints']); 00125 return TRUE; 00126 } 00127 00145 function PMA_getTableDef($db, $table, $crlf, $error_url, $show_dates = false) 00146 { 00147 global $drop; 00148 global $use_backquotes; 00149 global $cfgRelation; 00150 global $sql_constraints; 00151 00152 $schema_create = ''; 00153 $auto_increment = ''; 00154 $new_crlf = $crlf; 00155 00156 00157 $result = PMA_mysql_query('SHOW TABLE STATUS FROM ' . PMA_backquote($db) . ' LIKE \'' . PMA_sqlAddslashes($table) . '\''); 00158 if ($result != FALSE) { 00159 if (mysql_num_rows($result) > 0) { 00160 $tmpres = PMA_mysql_fetch_array($result); 00161 if (isset($GLOBALS['auto_increment']) && !empty($tmpres['Auto_increment'])) { 00162 $auto_increment .= ' AUTO_INCREMENT=' . $tmpres['Auto_increment'] . ' '; 00163 } 00164 00165 if ($show_dates && isset($tmpres['Create_time']) && !empty($tmpres['Create_time'])) { 00166 $schema_create .= '# ' . $GLOBALS['strStatCreateTime'] . ': ' . PMA_localisedDate(strtotime($tmpres['Create_time'])) . $crlf; 00167 $new_crlf = '#' . $crlf . $crlf; 00168 } 00169 00170 if ($show_dates && isset($tmpres['Update_time']) && !empty($tmpres['Update_time'])) { 00171 $schema_create .= '# ' . $GLOBALS['strStatUpdateTime'] . ': ' . PMA_localisedDate(strtotime($tmpres['Update_time'])) . $crlf; 00172 $new_crlf = '#' . $crlf . $crlf; 00173 } 00174 00175 if ($show_dates && isset($tmpres['Check_time']) && !empty($tmpres['Check_time'])) { 00176 $schema_create .= '# ' . $GLOBALS['strStatCheckTime'] . ': ' . PMA_localisedDate(strtotime($tmpres['Check_time'])) . $crlf; 00177 $new_crlf = '#' . $crlf . $crlf; 00178 } 00179 mysql_free_result($result); 00180 } 00181 } 00182 00183 $schema_create .= $new_crlf; 00184 00185 if (!empty($drop)) { 00186 $schema_create .= 'DROP TABLE IF EXISTS ' . PMA_backquote($table, $use_backquotes) . ';' . $crlf; 00187 } 00188 00189 // Steve Alberty's patch for complete table dump, 00190 // Whether to quote table and fields names or not 00191 if ($use_backquotes) { 00192 PMA_mysql_query('SET SQL_QUOTE_SHOW_CREATE = 1'); 00193 } else { 00194 PMA_mysql_query('SET SQL_QUOTE_SHOW_CREATE = 0'); 00195 } 00196 $result = PMA_mysql_query('SHOW CREATE TABLE ' . PMA_backquote($db) . '.' . PMA_backquote($table)); 00197 if ($result != FALSE && mysql_num_rows($result) > 0) { 00198 $tmpres = PMA_mysql_fetch_array($result); 00199 // Fix for case problems with winwin, thanks to 00200 // Pawe³ Szczepañski <pauluz at users.sourceforge.net> 00201 $pos = strpos($tmpres[1], ' ('); 00202 00203 // Fix a problem with older versions of mysql 00204 // Find the first opening parenthesys, i.e. that after the name 00205 // of the table 00206 $pos2 = strpos($tmpres[1], '('); 00207 // Old mysql did not insert a space after table name 00208 // in query "show create table ..."! 00209 if ($pos2 != $pos + 1) 00210 { 00211 // This is the real position of the first character after 00212 // the name of the table 00213 $pos = $pos2; 00214 // Old mysql did not even put newlines and indentation... 00215 $tmpres[1] = str_replace(",", ",\n ", $tmpres[1]); 00216 } 00217 00218 $tmpres[1] = substr($tmpres[1], 0, 13) 00219 . (($use_backquotes) ? PMA_backquote($tmpres[0]) : $tmpres[0]) 00220 . substr($tmpres[1], $pos); 00221 $tmpres[1] = str_replace("\n", $crlf, $tmpres[1]); 00222 if (preg_match_all('((,\r?\n[\s]*(CONSTRAINT|FOREIGN[\s]*KEY)[^\r\n,]+)+)', $tmpres[1], $regs)) { 00223 if (!isset($sql_constraints)) { 00224 if (isset($GLOBALS['no_constraints_comments'])) { 00225 $sql_constraints = ''; 00226 } else { 00227 $sql_constraints = $crlf . '#' . $crlf 00228 . '# ' . $GLOBALS['strConstraintsForDumped'] . $crlf 00229 . '#' . $crlf; 00230 } 00231 } 00232 if (!isset($GLOBALS['no_constraints_comments'])) { 00233 $sql_constraints .= $crlf .'#' . $crlf .'# ' . $GLOBALS['strConstraintsForTable'] . ' ' . PMA_backquote($table) . $crlf . '#' . $crlf; 00234 } 00235 $sql_constraints .= 'ALTER TABLE ' . PMA_backquote($table) . $crlf 00236 . preg_replace('/(,\r?\n|^)([\s]*)(CONSTRAINT|FOREIGN[\s]*KEY)/', '\1\2ADD \3', substr($regs[0][0], 2)) 00237 . ";\n"; 00238 $tmpres[1] = preg_replace('((,\r?\n[\s]*(CONSTRAINT|FOREIGN[\s]*KEY)[^\r\n,]+)+)', '', $tmpres[1]); 00239 } 00240 $schema_create .= $tmpres[1]; 00241 } 00242 00243 $schema_create .= $auto_increment; 00244 00245 00246 mysql_free_result($result); 00247 return $schema_create; 00248 } // end of the 'PMA_getTableDef()' function 00249 00250 00265 function PMA_getTableComments($db, $table, $crlf, $do_relation = false, $do_comments = false, $do_mime = false) 00266 { 00267 global $cfgRelation; 00268 global $use_backquotes; 00269 global $sql_constraints; 00270 00271 $schema_create = ''; 00272 00273 if ($do_comments && $cfgRelation['commwork']) { 00274 if (!($comments_map = PMA_getComments($db, $table))) unset($comments_map); 00275 } 00276 00277 // Check if we can use Relations (Mike Beck) 00278 if ($do_relation && !empty($cfgRelation['relation'])) { 00279 // Find which tables are related with the current one and write it in 00280 // an array 00281 $res_rel = PMA_getForeigners($db, $table); 00282 00283 if ($res_rel && count($res_rel) > 0) { 00284 $have_rel = TRUE; 00285 } else { 00286 $have_rel = FALSE; 00287 } 00288 } 00289 else { 00290 $have_rel = FALSE; 00291 } // end if 00292 00293 if ($do_mime && $cfgRelation['mimework']) { 00294 if (!($mime_map = PMA_getMIME($db, $table, true))) unset($mime_map); 00295 } 00296 00297 if (isset($comments_map) && count($comments_map) > 0) { 00298 $schema_create .= $crlf . '#' . $crlf . '# COMMENTS FOR TABLE ' . PMA_backquote($table, $use_backquotes) . ':' . $crlf; 00299 foreach($comments_map AS $comment_field => $comment) { 00300 $schema_create .= '# ' . PMA_backquote($comment_field, $use_backquotes) . $crlf . '# ' . PMA_backquote($comment, $use_backquotes) . $crlf; 00301 } 00302 $schema_create .= '#' . $crlf; 00303 } 00304 00305 if (isset($mime_map) && count($mime_map) > 0) { 00306 $schema_create .= $crlf . '#' . $crlf . '# MIME TYPES FOR TABLE ' . PMA_backquote($table, $use_backquotes) . ':' . $crlf; 00307 @reset($mime_map); 00308 foreach($mime_map AS $mime_field => $mime) { 00309 $schema_create .= '# ' . PMA_backquote($mime_field, $use_backquotes) . $crlf . '# ' . PMA_backquote($mime['mimetype'], $use_backquotes) . $crlf; 00310 } 00311 $schema_create .= '#' . $crlf; 00312 } 00313 00314 if ($have_rel) { 00315 $schema_create .= $crlf . '#' . $crlf . '# RELATIONS FOR TABLE ' . PMA_backquote($table, $use_backquotes) . ':' . $crlf; 00316 foreach($res_rel AS $rel_field => $rel) { 00317 $schema_create .= '# ' . PMA_backquote($rel_field, $use_backquotes) . $crlf . '# ' . PMA_backquote($rel['foreign_table'], $use_backquotes) . ' -> ' . PMA_backquote($rel['foreign_field'], $use_backquotes) . $crlf; 00318 } 00319 $schema_create .= '#' . $crlf; 00320 } 00321 00322 return $schema_create; 00323 00324 } // end of the 'PMA_getTableComments()' function 00325 00341 function PMA_exportStructure($db, $table, $crlf, $error_url, $relation = FALSE, $comments = FALSE, $mime = FALSE, $dates = FALSE) { 00342 $formatted_table_name = (isset($GLOBALS['use_backquotes'])) 00343 ? PMA_backquote($table) 00344 : '\'' . $table . '\''; 00345 $dump = $crlf 00346 . '# --------------------------------------------------------' . $crlf 00347 . $crlf . '#' . $crlf 00348 . '# ' . $GLOBALS['strTableStructure'] . ' ' . $formatted_table_name . $crlf 00349 . '#' . $crlf 00350 . PMA_getTableDef($db, $table, $crlf, $error_url, $dates) . ';' . $crlf 00351 . PMA_getTableComments($db, $table, $crlf, $relation, $comments, $mime); 00352 00353 00354 return PMA_exportOutputHandler($dump); 00355 } 00356 00380 function PMA_exportData($db, $table, $crlf, $error_url, $sql_query) 00381 { 00382 global $use_backquotes; 00383 global $rows_cnt; 00384 global $current_row; 00385 00386 $formatted_table_name = (isset($GLOBALS['use_backquotes'])) 00387 ? PMA_backquote($table) 00388 : '\'' . $table . '\''; 00389 $head = $crlf 00390 . '#' . $crlf 00391 . '# ' . $GLOBALS['strDumpingData'] . ' ' . $formatted_table_name . $crlf 00392 . '#' . $crlf .$crlf; 00393 00394 if (!PMA_exportOutputHandler($head)) return FALSE; 00395 00396 $buffer = ''; 00397 00398 $result = PMA_mysql_query($sql_query) or PMA_mysqlDie('', $sql_query, '', $error_url); 00399 if ($result != FALSE) { 00400 $fields_cnt = mysql_num_fields($result); 00401 $rows_cnt = mysql_num_rows($result); 00402 00403 // get the real types of the table's fields (in an array) 00404 // the key of the array is the backquoted field name 00405 $field_types = PMA_fieldTypes($db,$table,$use_backquotes); 00406 00407 // analyze the query to get the true column names, not the aliases 00408 // (this fixes an undefined index, also if Complete inserts 00409 // are used, we did not get the true column name in case of aliases) 00410 $analyzed_sql = PMA_SQP_analyze(PMA_SQP_parse($sql_query)); 00411 00412 // Checks whether the field is an integer or not 00413 for ($j = 0; $j < $fields_cnt; $j++) { 00414 00415 if (isset($analyzed_sql[0]['select_expr'][$j]['column'])) { 00416 $field_set[$j] = PMA_backquote($analyzed_sql[0]['select_expr'][$j]['column'], $use_backquotes); 00417 } else { 00418 $field_set[$j] = PMA_backquote(PMA_mysql_field_name($result, $j), $use_backquotes); 00419 } 00420 00421 $type = $field_types[$field_set[$j]]; 00422 00423 if ($type == 'tinyint' || $type == 'smallint' || $type == 'mediumint' || $type == 'int' || 00424 $type == 'bigint' || (PMA_MYSQL_INT_VERSION < 40100 && $type == 'timestamp')) { 00425 $field_num[$j] = TRUE; 00426 } else { 00427 $field_num[$j] = FALSE; 00428 } 00429 // blob 00430 if ($type == 'blob' || $type == 'mediumblob' || $type == 'longblob' || $type == 'tinyblob') { 00431 $field_blob[$j] = TRUE; 00432 } else { 00433 $field_blob[$j] = FALSE; 00434 } 00435 } // end for 00436 00437 if (isset($GLOBALS['sql_type']) && $GLOBALS['sql_type'] == 'update') { 00438 // update 00439 $schema_insert = 'UPDATE ' . PMA_backquote($table, $use_backquotes) . ' SET '; 00440 $fields_no = count($field_set); 00441 } else { 00442 // insert or replace 00443 if (isset($GLOBALS['sql_type']) && $GLOBALS['sql_type'] == 'replace') { 00444 $sql_command = 'REPLACE'; 00445 } else { 00446 $sql_command = 'INSERT'; 00447 } 00448 00449 // delayed inserts? 00450 if (isset($GLOBALS['delayed'])) { 00451 $insert_delayed = ' DELAYED'; 00452 } else { 00453 $insert_delayed = ''; 00454 } 00455 00456 // Sets the scheme 00457 if (isset($GLOBALS['showcolumns'])) { 00458 $fields = implode(', ', $field_set); 00459 $schema_insert = $sql_command . $insert_delayed .' INTO ' . PMA_backquote($table, $use_backquotes) 00460 . ' (' . $fields . ') VALUES ('; 00461 } else { 00462 $schema_insert = $sql_command . $insert_delayed .' INTO ' . PMA_backquote($table, $use_backquotes) 00463 . ' VALUES ('; 00464 } 00465 } 00466 00467 $search = array("\x00", "\x0a", "\x0d", "\x1a"); //\x08\\x09, not required 00468 $replace = array('\0', '\n', '\r', '\Z'); 00469 $current_row = 0; 00470 00471 while ($row = PMA_mysql_fetch_row($result)) { 00472 $current_row++; 00473 for ($j = 0; $j < $fields_cnt; $j++) { 00474 if (!isset($row[$j])) { 00475 $values[] = 'NULL'; 00476 } else if ($row[$j] == '0' || $row[$j] != '') { 00477 // a number 00478 if ($field_num[$j]) { 00479 $values[] = $row[$j]; 00480 // a not empty blob 00481 } else if ($field_blob[$j] && !empty($row[$j])) { 00482 $values[] = '0x' . bin2hex($row[$j]); 00483 // a string 00484 } else { 00485 $values[] = "'" . str_replace($search, $replace, PMA_sqlAddslashes($row[$j])) . "'"; 00486 } 00487 } else { 00488 $values[] = "''"; 00489 } // end if 00490 } // end for 00491 00492 // should we make update? 00493 if (isset($GLOBALS['sql_type']) && $GLOBALS['sql_type'] == 'update') { 00494 00495 $insert_line = $schema_insert; 00496 for ($i = 0; $i < $fields_no; $i++) { 00497 if ($i > 0) { 00498 $insert_line .= ', '; 00499 } 00500 $insert_line .= $field_set[$i] . ' = ' . $values[$i]; 00501 } 00502 00503 } else { 00504 00505 // Extended inserts case 00506 if (isset($GLOBALS['extended_ins'])) { 00507 if ($current_row == 1) { 00508 $insert_line = $schema_insert . implode(', ', $values) . ')'; 00509 } else { 00510 $insert_line = '(' . implode(', ', $values) . ')'; 00511 } 00512 } 00513 // Other inserts case 00514 else { 00515 $insert_line = $schema_insert . implode(', ', $values) . ')'; 00516 } 00517 } 00518 unset($values); 00519 00520 if (!PMA_exportOutputHandler($insert_line . ((isset($GLOBALS['extended_ins']) && ($current_row < $rows_cnt)) ? ',' : ';') . $crlf)) return FALSE; 00521 00522 } // end while 00523 } // end if ($result != FALSE) 00524 mysql_free_result($result); 00525 00526 return TRUE; 00527 } // end of the 'PMA_exportData()' function 00528 ?>