--- /dev/null
+<?php
+# mysql_sqlrelay.inc.php modified from mysql.inc.php 2007-10-06
+# dantemason@gmail.com
+
+/**
+ * Tells the DB Layer to start a DB transaction.
+ *
+ * @access public
+ */
+function serendipity_db_begin_transaction() {
+ global $serendipity;
+
+ $type_of_database = sqlrcon_identify($serendipity['dbConn']);
+ switch($type_of_database) {
+ case 'mysql':
+ $sqlstr = 'start transaction';
+ break;
+
+ case 'postgresql':
+ $sqlstr = 'begin work';
+ break;
+
+ case 'sqlite':
+ $sqlstr = 'begin transaction';
+ break;
+
+ default:
+ $sqlstr = 'start transaction';
+ break;
+ }
+ serendipity_db_query($sqlstr);
+}
+
+/**
+ * Tells the DB Layer to end a DB transaction.
+ *
+ * @access public
+ * @param boolean If true, perform the query. If false, rollback.
+ */
+function serendipity_db_end_transaction($commit) {
+ global $serendipity;
+
+ if ($commit) {
+ sqlrcon_commit($serendipity['dbConn']);
+ } else {
+ sqlrcon_rollback($serendipity['dbConn']);
+ }
+}
+
+/**
+ * Assemble and return SQL condition for a "IN (...)" clause
+ *
+ * @access public
+ * @param string table column name
+ * @param array referenced array of values to search for in the "IN (...)" clause
+ * @param string condition of how to associate the different input values of the $search_ids parameter
+ * @return string resulting SQL string
+ */
+function serendipity_db_in_sql($col, &$search_ids, $type = ' OR ') {
+ global $serendipity;
+
+ if (sqlrcon_identify($serendipity['dbConn']) == "sqlite") {
+ $sql = array();
+ if (!is_array($search_ids)) {
+ return false;
+ }
+
+ foreach($search_ids AS $id) {
+ $sql[] = $col . ' = ' . $id;
+ }
+
+ $cond = '(' . implode($type, $sql) . ')';
+ return $cond;
+ } else {
+ return $col . " IN (" . implode(', ', $search_ids) . ")";
+ }
+}
+
+/**
+ * Perform a DB Layer SQL query.
+ *
+ * This function returns values dependin on the input parameters and the result of the query.
+ * It can return:
+ * false if there was an error,
+ * true if the query succeeded but did not generate any rows
+ * array of field values if it returned a single row and $single is true
+ * array of array of field values if it returned row(s) [stacked array]
+ *
+ * @access public
+ * @param string SQL query to execute
+ * @param boolean Toggle whether the expected result is a single row (TRUE) or multiple rows (FALSE). This affects whether the returned array is 1 or 2 dimensional!
+ * @param string Result type of the array indexing. Can be one of "assoc" (associative), "num" (numerical), "both" (numerical and associative, default)
+ * @param boolean If true, errors will be reported. If false, errors will be ignored.
+ * @param string A possible array key name, so that you can control the multi-dimensional mapping of an array by the key column
+ * @param string A possible array field name, so that you can control the multi-dimensional mapping of an array by the key column and the field value.
+ * @param boolean If true, the executed SQL error is known to fail, and should be disregarded (errors can be ignroed on DUPLICATE INDEX queries and the likes)
+ * @return mixed Returns the result of the SQL query, depending on the input parameters
+ */
+
+function generate_resultset($cursor, $result_type = 'sqlr_BOTH') {
+ $return_row = array();
+
+ for ($r_row = 0, $max_r = sqlrcur_rowCount($cursor) ; $r_row < $max_r ; $r_row++) {
+ for ($r_col=0, $max_rc = sqlrcur_colCount($cursor); $r_col < $max_rc ; $r_col++) {
+ if ($result_type == 'sqlr_ASSOC') {
+ $return_row[sqlrcur_getColumnName($cursor,$ r_col)] = sqlrcur_getField($cursor, $r_row, $r_col);
+ }else{
+ $return_row[$r_row][$r_col] = sqlrcur_getField($cursor, $r_row,$r_col);
+ $return_row[$r_row][sqlrcur_getColumnName($cursor, $r_col)] = $return_row[$r_row][$r_col];
+ }
+ }
+ }
+ return $return_row;
+}
+
+function &serendipity_db_query($sql, $single = false, $result_type = "both", $reportErr = false, $assocKey = false, $assocVal = false, $expectError = false) {
+ global $serendipity;
+ static $type_map = array(
+ 'assoc' => sqlr_ASSOC,
+ 'num' => sqlr_NUM,
+ 'both' => sqlr_BOTH,
+ 'true' => true,
+ 'false' => false
+ );
+ static $benchmark = false;
+
+ // highlight_string(var_export($sql, 1));
+
+ if (!is_resource($serendipity['dbConn'])) {
+ return false;
+ }
+
+ $cur = sqlrcur_alloc($serendipity['dbConn']);
+ $serendipity['dbCursor'] = $cur;
+
+ if ($benchmark) {
+ $start = microtime_float();
+ }
+
+ if ($expectError) {
+ $c = sqlrcur_sendQuery($cur, $sql);
+ } else {
+ $c = sqlrcur_sendQuery($cur, $sql);
+ }
+
+ if ($benchmark) {
+ $end = microtime_float();
+
+ $cur = sqlrcur_alloc($serendipity['dbConn']);
+ $sql_b="INSERT INTO BLOGLOG (request, timestamp, sql, exec_time, ip) VALUES ('" . serendipity_db_escape_string($_SERVER['REQUEST_URI']) . "', NOW(), '" . serendipity_db_escape_string($sql) . "', '" . (number_format($end-$start, 10)) . "', '" . serendipity_db_escape_string($_SERVER['REMOTE_ADDR']) . "')";
+ $c = sqlrcur_sendQuery($cur, $sql_b);
+
+ $psql = $sql;
+ $psql = preg_replace('@[0-9]{10}@', 'TIMESTAMP', $psql);
+ $sql_U="UPDATE BLOGLOG_TOTAL SET counter = counter + 1 WHERE sql = '" . serendipity_db_escape_string($psql) . "'";
+ $c = sqlrcur_sendQuery($cur, $sql_U);
+ if (sqlrcur_affectedRows() < 1) {
+ $sql_i="INSERT INTO BLOGLOG_TOTAL (sql, counter) VALUES ('" . serendipity_db_escape_string($psql) . "', 1)";
+ $c = sqlrcur_sendQuery($cur,$sql_i);
+ }
+ }
+
+ if (!$expectError && sqlrcur_errorMessage($cur) != '') {
+ $msg = '<pre>' . $sql . '</pre> / ' . sqlrcur_errorMessage($cur);
+ return $msg;
+ }
+
+ if (!$c) {
+ if (!$expectError && !$serendipity['production']) {
+ print '<pre>' . $sql . '</pre> / ' . sqlrcur_errorMessage($cur);
+ if (function_exists('debug_backtrace') && $reportErr == true) {
+ highlight_string(var_export(debug_backtrace(), 1));
+ }
+ }
+
+ return $type_map['false'];
+ }
+
+ if ($c === true) {
+ return $type_map['true'];
+ }
+
+ $result_type = $type_map[$result_type];
+
+ switch(sqlrcur_rowCount($cur)) {
+ case 0:
+ if ($single) {
+ return $type_map['false'];
+ }
+ return $type_map['true'];
+
+ case 1:
+ if ($single) {
+ $row = generate_resultset($cur, $result_type);
+ if ($result_type != 'sqlr_ASSOC') {
+ $row=$row[0];
+ }
+ return $row;
+ }
+
+ default:
+ if ($single) {
+ return generate_resultset($cur, $result_type);
+ }
+
+ $row=generate_resultset($cur);
+ $rows=array();
+
+ for($idx=0, $idxc = count($row); $idx < $idxc ; $idx++) {
+ if (!empty($assocKey)) {
+ // You can fetch a key-associated array via the two function parameters assocKey and assocVal
+ if (empty($assocVal)) {
+ $rows[$assocKey] = $row[$idx][$assocKey];
+ } else {
+ $rows[$row[$idx][$assocKey]] = $row[$idx][$assocVal];
+ }
+ } else {
+ $rows = $row;
+ }
+ }
+
+ return $rows;
+
+ }
+}
+
+/**
+ * Returns the latest INSERT_ID of an SQL INSERT INTO command, for auto-increment columns
+ *
+ * @access public
+ * @return int Value of the auto-increment column
+ *
+ * If you insert multiple rows using a single INSERT statement,
+ * LAST_INSERT_ID() returns the value generated for the first inserted row only.
+ */
+function serendipity_db_insert_id($table = '', $id = '') {
+ global $serendipity;
+
+ $type_of_database = sqlrcon_identify($serendipity['dbConn']);
+ switch($type_of_database) {
+ case 'mysql':
+ $sqlstr='SELECT LAST_INSERT_ID()';
+ break;
+
+ case 'postgresql':
+ $sqlstr = "SELECT currval('{$serendipity['dbPrefix']}{$table}_{$id}_seq'::text) AS {$id}";
+ break;
+
+ case 'sqlite':
+ $sqlstr = 'SELECT last_insert_rowid()';
+ break;
+
+ default:
+ $sqlstr = 'SELECT LAST_INSERT_ID()';
+ }
+
+ $row = serendipity_db_query($sqlstr, true);
+
+ return $row[0];
+}
+
+/**
+ * Returns the number of affected rows of a SQL query
+ *
+ * @access public
+ * @return int Number of affected rows
+ */
+function serendipity_db_affected_rows() {
+ global $serendipity;
+
+ /* int sqlrcur_affectedRows(int sqlrcurref)
+ * Returns the number of rows that were updated, inserted or deleted by the query.
+ * Not all databases support this call.
+ * Don't use it for applications which are designed to be portable across databases.
+ * -1 is returned by databases which don't support this option.
+ */
+
+ return sqlrcur_affectedRows($serendipity['dbCursor']);
+}
+
+/**
+ * Returns the number of updated rows in a SQL query
+ *
+ * @access public
+ * @return int Number of updated rows
+ */
+function serendipity_db_updated_rows() {
+ /*
+
+ preg_match(
+ "/^[^0-9]+([0-9]+)[^0-9]+([0-9]+)[^0-9]+([0-9]+)/",
+ mysql_info(),
+ $arr);
+ // mysql_affected_rows returns 0 if rows were matched but not changed.
+ // mysql_info returns rows matched AND rows changed
+ return $arr[2];
+ */
+ return serendipity_db_affected_rows();
+}
+
+/**
+ * Returns the number of matched rows in a SQL query
+ *
+ * @access public
+ * @return int Number of matched rows
+ */
+function serendipity_db_matched_rows() {
+ /*
+
+ preg_match(
+ "/^[^0-9]+([0-9]+)[^0-9]+([0-9]+)[^0-9]+([0-9]+)/",
+ mysql_info(),
+ $arr);
+ // mysql_affected_rows returns 0 if rows were matched but not changed.
+ // mysql_info returns rows matched AND rows changed
+ return $arr[1];
+ */
+ return serendipity_db_affected_rows();
+}
+
+/**
+ * Returns a escaped string, so that it can be safely included in a SQL string encapsulated within quotes, without allowing SQL injection.
+ *
+ * @access public
+ * @param string input string
+ * @return string output string
+ */
+
+function serendipity_db_escape_string($str) {
+ global $serendipity;
+ static $search = array("\x00", '%', "'", '\"');
+ static $replace = array('%00', '%25', "''", '\\\"');
+
+ $type_of_database = sqlrcon_identify($serendipity['dbConn']);
+ switch($type_of_database) {
+ case 'mysql':
+ if (function_exists('mysql_real_escape_string')) {
+ $rtnstr = mysql_real_escape_string($str, $serendipity['dbConn']);
+ } else {
+ $rtnstr = addslashes($str);
+ }
+ break;
+
+ case 'postgresql':
+ if (function_exists('pg_escape_string')) {
+ $rtnstr = pg_escape_string($str);
+ } else {
+ $rtnstr = addslashes($str);
+ }
+ break;
+
+ case 'sqlite':
+ $rtnstr = str_replace($search, $replace, $str);
+ break;
+
+ default:
+ $rtnstr = addslashes($str);
+ }
+
+ return $rtnstr;
+}
+
+/**
+ * Returns the option to a LIMIT SQL statement, because it varies accross DB systems
+ *
+ * @access public
+ * @param int Number of the first row to return data from
+ * @param int Number of rows to return
+ * @return string SQL string to pass to a LIMIT statement
+ */
+function serendipity_db_limit($start, $offset) {
+ return $start . ', ' . $offset;
+}
+
+/**
+ * Return a LIMIT SQL option to the DB Layer as a full LIMIT statement
+ *
+ * @access public
+ * @param SQL string of a LIMIT option
+ * @return SQL string containing a full LIMIT statement
+ */
+function serendipity_db_limit_sql($limitstring) {
+ global $serendipity;
+
+ $type_of_database = sqlrcon_identify($serendipity['dbConn']);
+ switch($type_of_database) {
+ case "mysql":
+ return ' LIMIT ' . $limitstring;
+ case "postgresql":
+ $limit;
+ $limit_split = split(',', $limitstring);
+ if (count($limit_split) > 1) {
+ $limit = ' LIMIT ' . $limit_split[0] . ' OFFSET ' . $limit_split[1];
+ } else {
+ $limit = ' LIMIT ' . $limit_split[0];
+ }
+ return $limit;
+ default:
+ return ' LIMIT ' . $limitstring;
+ }
+}
+
+/**
+ * Connect to the configured Database
+ *
+ * @access public
+ * @return ressource connection handle
+ */
+function serendipity_db_connect() {
+ global $serendipity;
+
+ if (isset($serendipity['dbConn'])) {
+ return $serendipity['dbConn'];
+ }
+
+ if (isset($serendipity['dbPersistent']) && $serendipity['dbPersistent']) {
+ $function = 'sqlrcon_alloc';
+ } else {
+ $function = 'sqlrcon_alloc';
+ }
+
+ #$serendipity['dbHost']="localhost:9000"
+ $dbHostPort=explode(":", $serendipity['dbHost']);
+ $serendipity['dbConn'] = $function($dbHostPort[0], $dbHostPort[1], "", $serendipity['dbUser'], $serendipity['dbPass'], 0, 1);
+ sqlrcon_debugOff($serendipity['dbConn']);
+
+ if( sqlrcon_identify($serendipity['dbConn']) == "mysql") {
+ serendipity_db_reconnect();
+ }
+
+ return $serendipity['dbConn'];
+}
+
+function serendipity_db_reconnect() {
+ global $serendipity;
+
+ if (isset($serendipity['dbCharset'])) {
+ serendipity_db_query("SET NAMES " . $serendipity['dbCharset']);
+ define('SQL_CHARSET_INIT', true);
+ } elseif (defined('SQL_CHARSET') && $serendipity['dbNames'] && !defined('SQL_CHARSET_INIT')) {
+ serendipity_db_query("SET NAMES " . SQL_CHARSET);
+ }
+}
+
+/**
+ * Prepares a Serendipty query input to fully valid SQL. Replaces certain "template" variables.
+ *
+ * @access public
+ * @param string SQL query with template variables to convert
+ * @return ressource SQL ressource handle of the executed query
+ */
+function serendipity_db_schema_import($query) {
+ global $serendipity;
+
+ $type_of_database = sqlrcon_identify($serendipity['dbConn']);
+ switch($type_of_database) {
+ case "mysql":
+ static $search = array('{AUTOINCREMENT}', '{PRIMARY}',
+ '{UNSIGNED}', '{FULLTEXT}', '{FULLTEXT_MYSQL}', '{BOOLEAN}');
+ static $replace = array('int(11) not null auto_increment', 'primary key',
+ 'unsigned' , 'FULLTEXT', 'FULLTEXT', 'enum (\'true\', \'false\') NOT NULL default \'true\'');
+ static $is_utf8 = null;
+
+ if ($is_utf8 === null) {
+ $search[] = '{UTF_8}';
+ if ((isset($_POST['charset']) && $_POST['charset'] == 'UTF-8/') ||
+ $serendipity['charset'] == 'UTF-8/' ||
+ $serendipity['POST']['charset'] == 'UTF-8/' ||
+ LANG_CHARSET == 'UTF-8' ) {
+ $replace[] = '/*!40100 CHARACTER SET utf8 COLLATE utf8_unicode_ci */';
+ } else {
+ $replace[] = '';
+ }
+ }
+ break;
+
+ case "postgresql":
+ static $search = array('{AUTOINCREMENT}', '{PRIMARY}', '{UNSIGNED}',
+ '{FULLTEXT}', '{FULLTEXT_MYSQL}', '{BOOLEAN}', 'int(1)', 'int(10)', 'int(11)', 'int(4)', '{UTF_8}');
+ static $replace = array('SERIAL', 'primary key', '',
+ '', '', 'BOOLEAN NOT NULL', 'int2', 'int4', 'int4', 'int4', '');
+ break;
+
+ case "sqlite":
+ static $search = array('{AUTOINCREMENT}', '{PRIMARY}', '{UNSIGNED}', '{FULLTEXT}', '{FULLTEXT_MYSQL}', '{BOOLEAN}', '{UTF_8}');
+ static $replace = array('INTEGER', 'PRIMARY KEY', '', '', '', 'BOOLEAN NOT NULL', '');
+ break;
+
+ default:
+ return true;
+ }
+
+ $query = trim(str_replace($search, $replace, $query));
+
+ if ($query{0} == '@') {
+ // Errors are expected to happen (like duplicate index creation)
+ return serendipity_db_query(substr($query, 1), false, 'both', false, false, false, true);
+ } else {
+ return serendipity_db_query($query);
+ }
+}
+
+/**
+ * Try to connect to the configured Database (during installation)
+ *
+ * @access public
+ * @param array input configuration array, holding the connection info
+ * @param array referenced array which holds the errors that might be encountered
+ * @return boolean return true on success, false on error
+ */
+function serendipity_db_probe($hash, &$errs) {
+ global $serendipity;
+ $c;
+
+ if (!function_exists('sqlrcon_alloc')) {
+ $errs[] = 'No sql_relay extension found. Please check your webserver installation or contact your systems administrator regarding this problem.';
+ return false;
+ }
+
+ if (!($c=@sqlrcon_alloc($hash['dbHost'], '', '', $hash['dbUser'], $hash['dbPass'], 0, 5))) {
+ $errs[] = 'Could not connect to database; check your settings.';
+ return false;
+ }
+
+
+ $serendipity['dbConn'] = $c;
+
+ /* which db should be used is defined in sqlrelay.conf */
+
+ return true;
+}
+
+/**
+ * Returns the SQL code used for concatenating strings
+ *
+ * @access public
+ * @param string Input string/column to concatenate
+ * @return string SQL parameter
+ */
+function serendipity_db_concat($string) {
+ global $serendipity;
+
+ $type_of_database = sqlrcon_identify($serendipity['dbConn']);
+ switch($type_of_database) {
+ case 'mysql':
+ return 'concat(' . $string . ')';
+
+ case 'postgresql':
+ return '(' . str_replace(', ', '||', $string) . ')';
+
+ case 'sqlite':
+ return 'concat(' . $string . ')';
+
+ default:
+ return 'concat(' . $string . ')';
+ }
+}
+
+/* vim: set sts=4 ts=4 expandtab : */
projects / s9y.git / commitdiff