diff options
Diffstat (limited to 'include/dblayer/functions_sqlite.inc.php')
| -rw-r--r-- | include/dblayer/functions_sqlite.inc.php | 724 |
1 files changed, 0 insertions, 724 deletions
diff --git a/include/dblayer/functions_sqlite.inc.php b/include/dblayer/functions_sqlite.inc.php deleted file mode 100644 index 360cbee2c..000000000 --- a/include/dblayer/functions_sqlite.inc.php +++ /dev/null @@ -1,724 +0,0 @@ -<?php -// +-----------------------------------------------------------------------+ -// | Piwigo - a PHP based photo gallery | -// +-----------------------------------------------------------------------+ -// | Copyright(C) 2008-2012 Piwigo Team http://piwigo.org | -// | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net | -// | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick | -// +-----------------------------------------------------------------------+ -// | This program is free software; you can redistribute it and/or modify | -// | it under the terms of the GNU General Public License as published by | -// | the Free Software Foundation | -// | | -// | This program is distributed in the hope that it will be useful, but | -// | WITHOUT ANY WARRANTY; without even the implied warranty of | -// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | -// | General Public License for more details. | -// | | -// | You should have received a copy of the GNU General Public License | -// | along with this program; if not, write to the Free Software | -// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | -// | USA. | -// +-----------------------------------------------------------------------+ - -define('REQUIRED_SQLITE_VERSION', '3.0.0'); -define('DB_ENGINE', 'SQLite'); - -define('DB_REGEX_OPERATOR', 'REGEXP'); -define('DB_RANDOM_FUNCTION', 'RANDOM'); - -/** - * - * simple functions - * - */ - -function pwg_db_connect($host, $user, $password, $database) -{ - global $conf; - - $db_file = sprintf('%s/%s.db', PHPWG_ROOT_PATH.$conf['data_location'], $database); - - if (script_basename()=='install') - { - $sqlite_open_mode = SQLITE3_OPEN_READWRITE | SQLITE3_OPEN_CREATE; - } - else - { - $sqlite_open_mode = SQLITE3_OPEN_READWRITE; - } - - $link = new SQLite3($db_file, $sqlite_open_mode); - if (!$link) - { - throw new Exception('Connection to server succeed, but it was impossible to connect to database'); - } - - $link->createFunction('now', 'pwg_now', 0); - $link->createFunction('unix_timestamp', 'pwg_unix_timestamp', 1); - $link->createFunction('md5', 'md5', 1); - $link->createFunction('if', 'pwg_if', 3); - - $link->createFunction('regexp', 'pwg_regexp', 2); - - return $link; -} - -function pwg_db_check_version() -{ - $current_version = pwg_get_db_version(); - if (version_compare($current_version, REQUIRED_SQLITE_VERSION, '<')) - { - fatal_error( - sprintf( - 'your database version is too old, you have "%s" and you need at least "%s"', - $current_version, - REQUIRED_SQLITE_VERSION - ) - ); - } -} - -function pwg_db_check_charset() -{ - return true; -} - -function pwg_get_db_version() -{ - global $pwg_db_link; - - $versionInfos = $pwg_db_link->version(); - return $versionInfos['versionString']; -} - -function pwg_query($query) -{ - global $conf,$page,$debug,$t2,$pwg_db_link; - - $start = get_moment(); - - $truncate_pattern = '`truncate(.*)`i'; - $insert_pattern = '`(INSERT INTO [^)]*\)\s*VALUES)(\([^)]*\))\s*,\s*(.*)`mi'; - - if (preg_match($truncate_pattern, $query, $matches)) - { - $query = str_replace('TRUNCATE TABLE', 'DELETE FROM', $query); - $truncate_query = true; - ($result = $pwg_db_link->exec($query)) or die($query."\n<br>".$pwg_db_link->lastErrorMsg()); - } - elseif (preg_match($insert_pattern, $query, $matches)) - { - $base_query = substr($query, 0, strlen($matches[1])+1); - $values_pattern = '`\)\s*,\s*\(`'; - $values = preg_split($values_pattern, substr($query, strlen($matches[1])+1)); - $values[0] = substr($values[0], 1); - $values[count($values)-1] = substr($values[count($values)-1], - 0, - strlen($values[count($values)-1])-1 - ); - for ($n=0;$n<count($values);$n++) - { - $query = $base_query . '('. $values[$n] . ")\n;"; - ($result = $pwg_db_link->query($query)) - or die($query."\n<br>".$pwg_db_link->lastErrorMsg()); - } - } - else - { - ($result = $pwg_db_link->query($query)) - or die($query."\n<br>".$pwg_db_link->lastErrorMsg()); - } - - $time = get_moment() - $start; - - if (!isset($page['count_queries'])) - { - $page['count_queries'] = 0; - $page['queries_time'] = 0; - } - - $page['count_queries']++; - $page['queries_time']+= $time; - - if ($conf['show_queries']) - { - $output = ''; - $output.= '<pre>['.$page['count_queries'].'] '; - $output.= "\n".$query; - $output.= "\n".'(this query time : '; - $output.= '<b>'.number_format($time, 3, '.', ' ').' s)</b>'; - $output.= "\n".'(total SQL time : '; - $output.= number_format($page['queries_time'], 3, '.', ' ').' s)'; - $output.= "\n".'(total time : '; - $output.= number_format( ($time+$start-$t2), 3, '.', ' ').' s)'; - if ( $result!=null and preg_match('/\s*SELECT\s+/i',$query) ) - { - $output.= "\n".'(num rows : '; - $output.= pwg_db_num_rows($result).' )'; - } - elseif ( $result!=null - and preg_match('/\s*INSERT|UPDATE|REPLACE|DELETE\s+/i',$query) - and !isset($truncate_query)) - { - $output.= "\n".'(affected rows : '; - $output.= pwg_db_changes($result).' )'; - } - $output.= "</pre>\n"; - - $debug .= $output; - } - - return $result; -} - -function pwg_db_nextval($column, $table) -{ - $query = ' -SELECT MAX('.$column.')+1 - FROM '.$table; - list($next) = pwg_db_fetch_row(pwg_query($query)); - if (is_null($next)) - { - $next = 1; - } - return $next; -} - -/** - * - * complex functions - * - */ - -function pwg_db_changes(SQLite3Result $result=null) -{ - global $pwg_db_link; - - return $pwg_db_link->changes(); -} - -function pwg_db_num_rows($result) -{ - return $result->numColumns(); -} - -function pwg_db_fetch_assoc($result) -{ - return $result->fetchArray(SQLITE3_ASSOC); -} - -function pwg_db_fetch_row($result) -{ - return $result->fetchArray(SQLITE3_NUM); -} - -function pwg_db_fetch_object($result) -{ - return $result; -} - -function pwg_db_free_result($result) -{ -} - -function pwg_db_real_escape_string($s) -{ - global $pwg_db_link; - - return $pwg_db_link->escapeString($s); -} - -function pwg_db_insert_id($table=null, $column='id') -{ - global $pwg_db_link; - - return $pwg_db_link->lastInsertRowID(); -} - -/** - * - * complex functions - * - */ - -/** - * creates an array based on a query, this function is a very common pattern - * used here - * - * @param string $query - * @param string $fieldname - * @return array - */ -function array_from_query($query, $fieldname) -{ - $array = array(); - - $result = pwg_query($query); - while ($row = pwg_db_fetch_assoc($result)) - { - array_push($array, $row[$fieldname]); - } - - return $array; -} - -define('MASS_UPDATES_SKIP_EMPTY', 1); -/** - * updates multiple lines in a table - * - * @param string table_name - * @param array dbfields - * @param array datas - * @param int flags - if MASS_UPDATES_SKIP_EMPTY - empty values do not overwrite existing ones - * @return void - */ -function mass_updates($tablename, $dbfields, $datas, $flags=0) -{ - if (count($datas) == 0) - return; - - foreach ($datas as $data) - { - $query = ' -UPDATE '.$tablename.' - SET '; - $is_first = true; - foreach ($dbfields['update'] as $key) - { - $separator = $is_first ? '' : ",\n "; - - if (isset($data[$key]) and $data[$key] != '') - { - $query.= $separator.$key.' = \''.$data[$key].'\''; - } - else - { - if ( $flags & MASS_UPDATES_SKIP_EMPTY ) - continue; // next field - $query.= "$separator$key = NULL"; - } - $is_first = false; - } - if (!$is_first) - {// only if one field at least updated - $query.= ' - WHERE '; - $is_first = true; - foreach ($dbfields['primary'] as $key) - { - if (!$is_first) - { - $query.= ' AND '; - } - if ( isset($data[$key]) ) - { - $query.= $key.' = \''.$data[$key].'\''; - } - else - { - $query.= $key.' IS NULL'; - } - $is_first = false; - } - pwg_query($query); - } - } -} - -/** - * updates one line in a table - * - * @param string table_name - * @param array set_fields - * @param array where_fields - * @param int flags - if MASS_UPDATES_SKIP_EMPTY - empty values do not overwrite existing ones - * @return void - */ -function single_update($tablename, $set_fields, $where_fields, $flags=0) -{ - if (count($set_fields) == 0) - { - return; - } - - $query = ' -UPDATE '.$tablename.' - SET '; - $is_first = true; - foreach ($set_fields as $key => $value) - { - $separator = $is_first ? '' : ",\n "; - - if (isset($value) and $value != '') - { - $query.= $separator.$key.' = \''.$value.'\''; - } - else - { - if ( $flags & MASS_UPDATES_SKIP_EMPTY ) - continue; // next field - $query.= "$separator$key = NULL"; - } - $is_first = false; - } - if (!$is_first) - {// only if one field at least updated - $query.= ' - WHERE '; - $is_first = true; - foreach ($where_fields as $key => $value) - { - if (!$is_first) - { - $query.= ' AND '; - } - if ( isset($value) ) - { - $query.= $key.' = \''.$value.'\''; - } - else - { - $query.= $key.' IS NULL'; - } - $is_first = false; - } - pwg_query($query); - } -} - -/** - * inserts multiple lines in a table - * - * @param string table_name - * @param array dbfields - * @param array inserts - * @return void - */ -function mass_inserts($table_name, $dbfields, $datas) -{ - if (count($datas) != 0) - { - $first = true; - - $packet_size = 16777216; - $packet_size = $packet_size - 2000; // The last list of values MUST not exceed 2000 character*/ - $query = ''; - - foreach ($datas as $insert) - { - if (strlen($query) >= $packet_size) - { - pwg_query($query); - $first = true; - } - - if ($first) - { - $query = ' -INSERT INTO '.$table_name.' - ('.implode(',', $dbfields).') - VALUES'; - $first = false; - } - else - { - $query .= ' - , '; - } - - $query .= '('; - foreach ($dbfields as $field_id => $dbfield) - { - if ($field_id > 0) - { - $query .= ','; - } - - if (!isset($insert[$dbfield]) or $insert[$dbfield] === '') - { - $query .= 'NULL'; - } - else - { - $query .= "'".$insert[$dbfield]."'"; - } - } - $query .= ')'; - } - pwg_query($query); - } -} - -/** - * inserts one line in a table - * - * @param string table_name - * @param array dbfields - * @param array insert - * @return void - */ -function single_insert($table_name, $data) -{ - if (count($data) != 0) - { - $query = ' -INSERT INTO '.$table_name.' - ('.implode(',', array_keys($data)).') - VALUES'; - - $query .= '('; - $is_first = true; - foreach ($data as $key => $value) - { - if (!$is_first) - { - $query .= ','; - } - else - { - $is_first = false; - } - - if ($value === '') - { - $query .= 'NULL'; - } - else - { - $query .= "'".$value."'"; - } - } - $query .= ')'; - - pwg_query($query); - } -} - -/** - * Do maintenance on all PWG tables - * - * @return none - */ -function do_maintenance_all_tables() -{ - global $prefixeTable, $page; - - $all_tables = array(); - - // List all tables - $query = 'SELECT name FROM SQLITE_MASTER -WHERE name LIKE \''.$prefixeTable.'%\''; - - $all_tables = array_from_query($query, 'name'); - foreach ($all_tables as $table_name) - { - $query = 'VACUUM '.$table_name.';'; - $result = pwg_query($query); - } - - array_push($page['infos'], - l10n('All optimizations have been successfully completed.') - ); -} - -function pwg_db_concat($array) -{ - return implode($array, ' || '); -} - -function pwg_db_concat_ws($array, $separator) -{ - return implode($array, ' || \''.$separator.'\' || '); -} - -function pwg_db_cast_to_text($string) -{ - return $string; -} - -/** - * returns an array containing the possible values of an enum field - * - * @param string tablename - * @param string fieldname - */ -function get_enums($table, $field) -{ - $Enums['categories']['status'] = array('public', 'private'); - $Enums['history']['section'] = array('categories','tags','search','list','favorites','most_visited','best_rated','recent_pics','recent_cats'); - $Enums['user_infos']['status'] = array('webmaster','admin','normal','generic','guest'); - $Enums['image']['type'] = array('picture','high','other'); - $Enums['plugins']['state'] = array('active', 'inactive'); - $Enums['user_cache_image']['access_type'] = array('NOT IN','IN'); - - $table = str_replace($GLOBALS['prefixeTable'], '', $table); - if (isset($Enums[$table][$field])) { - return $Enums[$table][$field]; - } else { - return array(); - } -} - -// get_boolean transforms a string to a boolean value. If the string is -// "false" (case insensitive), then the boolean value false is returned. In -// any other case, true is returned. -function get_boolean( $string ) -{ - $boolean = true; - if ('f' === $string || 'false' === $string) - { - $boolean = false; - } - return $boolean; -} - -/** - * returns boolean string 'true' or 'false' if the given var is boolean - * - * @param mixed $var - * @return mixed - */ -function boolean_to_string($var) -{ - if (is_bool($var)) - { - return $var ? 'true' : 'false'; - } - else - { - return $var; - } -} - -/** - * - * interval and date functions - * - */ - -function pwg_db_get_recent_period_expression($period, $date='CURRENT_DATE') -{ - if ($date!='CURRENT_DATE') - { - $date = '\''.$date.'\''; - } - - return 'date('.$date.',\''.-$period.' DAY\')'; -} - -function pwg_db_get_recent_period($period, $date='CURRENT_DATE') -{ - $query = 'select '.pwg_db_get_recent_period_expression($period, $date); - list($d) = pwg_db_fetch_row(pwg_query($query)); - - return $d; -} - -function pwg_db_get_flood_period_expression($seconds) -{ - return 'datetime(\'now\', \'localtime\', \''.-$seconds.' seconds\')'; -} - -function pwg_db_get_hour($date) -{ - return 'strftime(\'%H\', '.$date.')'; -} - -function pwg_db_get_date_YYYYMM($date) -{ - return 'strftime(\'%Y%m\','.$date.')'; -} - -function pwg_db_get_date_MMDD($date) -{ - return 'strftime(\'%m%d\','.$date.')'; -} - -function pwg_db_get_year($date) -{ - return 'strftime(\'%Y\','.$date.')'; -} - -function pwg_db_get_month($date) -{ - return 'strftime(\'%m\','.$date.')'; -} - -function pwg_db_get_week($date, $mode=null) -{ - return 'strftime(\'%W\','.$date.')'; -} - -function pwg_db_get_dayofmonth($date) -{ - return 'strftime(\'%d\','.$date.')'; -} - -function pwg_db_get_dayofweek($date) -{ - return 'strftime(\'%w\','.$date.')'; -} - -function pwg_db_get_weekday($date) -{ - return 'strftime(\'%w\',date('.$date.',\'-1 DAY\'))'; -} - -function pwg_db_date_to_ts($date) -{ - return 'UNIX_TIMESTAMP('.$date.')'; -} - -// my_error returns (or send to standard output) the message concerning the -// error occured for the last mysql query. -function my_error($header, $die) -{ - global $pwg_db_link; - - $error = ''; - if (isset($pwg_db_link)) - { - $error .= '[sqlite error]'.$pwg_db_link->lastErrorMsg()."\n"; - } - - $error .= $header; - - if ($die) - { - fatal_error($error); - } - echo("<pre>"); - trigger_error($error, E_USER_WARNING); - echo("</pre>"); -} - -// sqlite create functions -function pwg_now() -{ - return date('Y-m-d H:i:s'); -} - -function pwg_unix_timestamp() -{ - return strtotime($strDate); -} - -function pwg_if($expression, $value1, $value2) -{ - if ($expression) - { - return $value1; - } - else - { - return $value2; - } -} - -function pwg_regexp($pattern, $string) -{ - $pattern = sprintf('`%s`', $pattern); - return preg_match($pattern, $string); -} -?> |