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-rw-r--r--include/dblayer/functions_mysql.inc.php14
-rw-r--r--include/dblayer/functions_mysqli.inc.php798
2 files changed, 803 insertions, 9 deletions
diff --git a/include/dblayer/functions_mysql.inc.php b/include/dblayer/functions_mysql.inc.php
index 0b2c35195..f8182bdf4 100644
--- a/include/dblayer/functions_mysql.inc.php
+++ b/include/dblayer/functions_mysql.inc.php
@@ -40,11 +40,7 @@ function pwg_db_connect($host, $user, $password, $database)
{
throw new Exception("Can't connect to server");
}
- if (mysql_select_db($database, $link))
- {
- return $link;
- }
- else
+ if (!mysql_select_db($database, $link))
{
throw new Exception('Connection to server succeed, but it was impossible to connect to database');
}
@@ -138,7 +134,7 @@ SELECT IF(MAX('.$column.')+1 IS NULL, 1, MAX('.$column.')+1)
return $next;
}
-function pwg_db_changes($result)
+function pwg_db_changes()
{
return mysql_affected_rows();
}
@@ -173,14 +169,14 @@ function pwg_db_real_escape_string($s)
return mysql_real_escape_string($s);
}
-function pwg_db_insert_id($table=null, $column='id')
+function pwg_db_insert_id()
{
return mysql_insert_id();
}
-function pwg_db_close($link=null)
+function pwg_db_close()
{
- return mysql_close($link);
+ return mysql_close();
}
/**
diff --git a/include/dblayer/functions_mysqli.inc.php b/include/dblayer/functions_mysqli.inc.php
new file mode 100644
index 000000000..af42b865b
--- /dev/null
+++ b/include/dblayer/functions_mysqli.inc.php
@@ -0,0 +1,798 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | Piwigo - a PHP based photo gallery |
+// +-----------------------------------------------------------------------+
+// | Copyright(C) 2008-2012 Piwigo Team http://piwigo.org |
+// | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net |
+// | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick |
+// +-----------------------------------------------------------------------+
+// | This program is free software; you can redistribute it and/or modify |
+// | it under the terms of the GNU General Public License as published by |
+// | the Free Software Foundation |
+// | |
+// | This program is distributed in the hope that it will be useful, but |
+// | WITHOUT ANY WARRANTY; without even the implied warranty of |
+// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
+// | General Public License for more details. |
+// | |
+// | You should have received a copy of the GNU General Public License |
+// | along with this program; if not, write to the Free Software |
+// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
+// | USA. |
+// +-----------------------------------------------------------------------+
+
+define('DB_ENGINE', 'MySQL');
+define('REQUIRED_MYSQL_VERSION', '5.0.0');
+
+define('DB_REGEX_OPERATOR', 'REGEXP');
+define('DB_RANDOM_FUNCTION', 'RAND');
+
+/**
+ *
+ * simple functions
+ *
+ */
+
+function pwg_db_connect($host, $user, $password, $database)
+{
+ global $mysqli;
+
+ $mysqli = new mysqli($host, $user, $password);
+ if (mysqli_connect_error())
+ {
+ throw new Exception("Can't connect to server");
+ }
+ if (!$mysqli->select_db($database))
+ {
+ throw new Exception('Connection to server succeed, but it was impossible to connect to database');
+ }
+}
+
+function pwg_db_check_charset()
+{
+ $db_charset = 'utf8';
+ if (defined('DB_CHARSET') and DB_CHARSET != '')
+ {
+ $db_charset = DB_CHARSET;
+ }
+ pwg_query('SET NAMES "'.$db_charset.'"');
+}
+
+function pwg_db_check_version()
+{
+ $current_mysql = pwg_get_db_version();
+ if (version_compare($current_mysql, REQUIRED_MYSQL_VERSION, '<'))
+ {
+ fatal_error(
+ sprintf(
+ 'your MySQL version is too old, you have "%s" and you need at least "%s"',
+ $current_mysql,
+ REQUIRED_MYSQL_VERSION
+ )
+ );
+ }
+}
+
+function pwg_get_db_version()
+{
+ global $mysqli;
+
+ return $mysqli->server_info;
+}
+
+function pwg_query($query)
+{
+ global $mysqli, $conf, $page, $debug, $t2;
+
+ $start = microtime(true);
+ ($result = $mysqli->query($query)) or my_error($query, $conf['die_on_sql_error']);
+
+ $time = microtime(true) - $start;
+
+ if (!isset($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) )
+ {
+ $output.= "\n".'(affected rows : ';
+ $output.= pwg_db_changes().' )';
+ }
+ $output.= "</pre>\n";
+
+ $debug .= $output;
+ }
+
+ return $result;
+}
+
+function pwg_db_nextval($column, $table)
+{
+ $query = '
+SELECT IF(MAX('.$column.')+1 IS NULL, 1, MAX('.$column.')+1)
+ FROM '.$table;
+ list($next) = pwg_db_fetch_row(pwg_query($query));
+
+ return $next;
+}
+
+function pwg_db_changes()
+{
+ global $mysqli;
+
+ return $mysqli->affected_rows;
+}
+
+function pwg_db_num_rows($result)
+{
+ return $result->num_rows;
+}
+
+function pwg_db_fetch_assoc($result)
+{
+ return $result->fetch_assoc();
+}
+
+function pwg_db_fetch_row($result)
+{
+ return $result->fetch_row();
+}
+
+function pwg_db_fetch_object($result)
+{
+ return $result->fetch_object();
+}
+
+function pwg_db_free_result($result)
+{
+ return $result->free_result();
+}
+
+function pwg_db_real_escape_string($s)
+{
+ global $mysqli;
+
+ return $mysqli->real_escape_string($s);
+}
+
+function pwg_db_insert_id()
+{
+ global $mysqli;
+
+ return $mysqli->insert_id;
+}
+
+function pwg_db_close()
+{
+ global $mysqli;
+
+ return $mysqli->close();
+}
+
+/**
+ *
+ * complex functions
+ *
+ */
+
+/**
+ * creates an array based on a query, this function is a very common pattern
+ * used here
+ *
+ * @param string $query
+ * @param string $fieldname optional
+ * @return array
+ */
+function array_from_query($query, $fieldname=false)
+{
+ $array = array();
+
+ $result = pwg_query($query);
+ if (false === $fieldname)
+ {
+ while ($row = pwg_db_fetch_assoc($result))
+ {
+ $array[] = $row;
+ }
+ }
+ else
+ {
+ while ($row = pwg_db_fetch_assoc($result))
+ {
+ $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;
+
+ // depending on the MySQL version, we use the multi table update or N update queries
+ if (count($datas) < 10)
+ {
+ foreach ($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);
+ }
+ } // foreach update
+ } // if mysqli_ver or count<X
+ else
+ {
+ // creation of the temporary table
+ $query = '
+SHOW FULL COLUMNS FROM '.$tablename;
+ $result = pwg_query($query);
+ $columns = array();
+ $all_fields = array_merge($dbfields['primary'], $dbfields['update']);
+ while ($row = pwg_db_fetch_assoc($result))
+ {
+ if (in_array($row['Field'], $all_fields))
+ {
+ $column = $row['Field'];
+ $column.= ' '.$row['Type'];
+
+ $nullable = true;
+ if (!isset($row['Null']) or $row['Null'] == '' or $row['Null']=='NO')
+ {
+ $column.= ' NOT NULL';
+ $nullable = false;
+ }
+ if (isset($row['Default']))
+ {
+ $column.= " default '".$row['Default']."'";
+ }
+ elseif ($nullable)
+ {
+ $column.= " default NULL";
+ }
+ if (isset($row['Collation']) and $row['Collation'] != 'NULL')
+ {
+ $column.= " collate '".$row['Collation']."'";
+ }
+ array_push($columns, $column);
+ }
+ }
+
+ $temporary_tablename = $tablename.'_'.micro_seconds();
+
+ $query = '
+CREATE TABLE '.$temporary_tablename.'
+(
+ '.implode(",\n ", $columns).',
+ UNIQUE KEY the_key ('.implode(',', $dbfields['primary']).')
+)';
+
+ pwg_query($query);
+ mass_inserts($temporary_tablename, $all_fields, $datas);
+ if ( $flags & MASS_UPDATES_SKIP_EMPTY )
+ $func_set = create_function('$s', 'return "t1.$s = IFNULL(t2.$s, t1.$s)";');
+ else
+ $func_set = create_function('$s', 'return "t1.$s = t2.$s";');
+
+ // update of images table by joining with temporary table
+ $query = '
+UPDATE '.$tablename.' AS t1, '.$temporary_tablename.' AS t2
+ SET '.
+ implode(
+ "\n , ",
+ array_map($func_set,$dbfields['update'])
+ ).'
+ WHERE '.
+ implode(
+ "\n AND ",
+ array_map(
+ create_function('$s', 'return "t1.$s = t2.$s";'),
+ $dbfields['primary']
+ )
+ );
+ pwg_query($query);
+ $query = '
+DROP TABLE '.$temporary_tablename;
+ 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, $options=array())
+{
+ $ignore = '';
+ if (isset($options['ignore']) and $options['ignore'])
+ {
+ $ignore = 'IGNORE';
+ }
+
+ if (count($datas) != 0)
+ {
+ $first = true;
+
+ $query = 'SHOW VARIABLES LIKE \'max_allowed_packet\'';
+ list(, $packet_size) = pwg_db_fetch_row(pwg_query($query));
+ $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)
+ {
+ $query = '
+INSERT '.$ignore.' 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
+ $query = 'SHOW TABLES LIKE \''.$prefixeTable.'%\'';
+ $result = pwg_query($query);
+ while ($row = pwg_db_fetch_row($result))
+ {
+ array_push($all_tables, $row[0]);
+ }
+
+ // Repair all tables
+ $query = 'REPAIR TABLE '.implode(', ', $all_tables);
+ $mysqli_rc = pwg_query($query);
+
+ // Re-Order all tables
+ foreach ($all_tables as $table_name)
+ {
+ $all_primary_key = array();
+
+ $query = 'DESC '.$table_name.';';
+ $result = pwg_query($query);
+ while ($row = pwg_db_fetch_assoc($result))
+ {
+ if ($row['Key'] == 'PRI')
+ {
+ array_push($all_primary_key, $row['Field']);
+ }
+ }
+
+ if (count($all_primary_key) != 0)
+ {
+ $query = 'ALTER TABLE '.$table_name.' ORDER BY '.implode(', ', $all_primary_key).';';
+ $mysqli_rc = $mysqli_rc && pwg_query($query);
+ }
+ }
+
+ // Optimize all tables
+ $query = 'OPTIMIZE TABLE '.implode(', ', $all_tables);
+ $mysqli_rc = $mysqli_rc && pwg_query($query);
+ if ($mysqli_rc)
+ {
+ array_push(
+ $page['infos'],
+ l10n('All optimizations have been successfully completed.')
+ );
+ }
+ else
+ {
+ array_push(
+ $page['errors'],
+ l10n('Optimizations have been completed with some errors.')
+ );
+ }
+}
+
+function pwg_db_concat($array)
+{
+ $string = implode($array, ',');
+ return 'CONCAT('. $string.')';
+}
+
+function pwg_db_concat_ws($array, $separator)
+{
+ $string = implode($array, ',');
+ return 'CONCAT_WS(\''.$separator.'\','. $string.')';
+}
+
+function pwg_db_cast_to_text($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)
+{
+ // retrieving the properties of the table. Each line represents a field :
+ // columns are 'Field', 'Type'
+ $result = pwg_query('desc '.$table);
+ while ($row = pwg_db_fetch_assoc($result))
+ {
+ // we are only interested in the the field given in parameter for the
+ // function
+ if ($row['Field'] == $field)
+ {
+ // retrieving possible values of the enum field
+ // enum('blue','green','black')
+ $options = explode(',', substr($row['Type'], 5, -1));
+ foreach ($options as $i => $option)
+ {
+ $options[$i] = str_replace("'", '',$option);
+ }
+ }
+ }
+ pwg_db_free_result($result);
+ return $options;
+}
+
+/**
+ * Smartly checks if a variable is equivalent to true or false
+ *
+ * @param mixed input
+ * @return bool
+ */
+function get_boolean($input)
+{
+ if ('false' === strtolower($input))
+ {
+ return false;
+ }
+
+ return (bool)$input;
+}
+
+/**
+ * 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 'SUBDATE('.$date.',INTERVAL '.$period.' DAY)';
+}
+
+function pwg_db_get_recent_period($period, $date='CURRENT_DATE')
+{
+ $query = '
+SELECT '.pwg_db_get_recent_period_expression($period);
+ list($d) = pwg_db_fetch_row(pwg_query($query));
+
+ return $d;
+}
+
+function pwg_db_get_flood_period_expression($seconds)
+{
+ return 'SUBDATE(now(), INTERVAL '.$seconds.' SECOND)';
+}
+
+function pwg_db_get_hour($date)
+{
+ return 'hour('.$date.')';
+}
+
+function pwg_db_get_date_YYYYMM($date)
+{
+ return 'DATE_FORMAT('.$date.', \'%Y%m\')';
+}
+
+function pwg_db_get_date_MMDD($date)
+{
+ return 'DATE_FORMAT('.$date.', \'%m%d\')';
+}
+
+function pwg_db_get_year($date)
+{
+ return 'YEAR('.$date.')';
+}
+
+function pwg_db_get_month($date)
+{
+ return 'MONTH('.$date.')';
+}
+
+function pwg_db_get_week($date, $mode=null)
+{
+ if ($mode)
+ {
+ return 'WEEK('.$date.', '.$mode.')';
+ }
+ else
+ {
+ return 'WEEK('.$date.')';
+ }
+}
+
+function pwg_db_get_dayofmonth($date)
+{
+ return 'DAYOFMONTH('.$date.')';
+}
+
+function pwg_db_get_dayofweek($date)
+{
+ return 'DAYOFWEEK('.$date.')';
+}
+
+function pwg_db_get_weekday($date)
+{
+ return 'WEEKDAY('.$date.')';
+}
+
+function pwg_db_date_to_ts($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 $mysqli;
+
+ $error = "[mysql error ".$mysqli->errno.'] '.$mysqli->error."\n";
+ $error .= $header;
+
+ if ($die)
+ {
+ fatal_error($error);
+ }
+ echo("<pre>");
+ trigger_error($error, E_USER_WARNING);
+ echo("</pre>");
+}
+
+?> \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-12 17:43:44 +0000