Initial Commit of AgileBill Open Source
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182
includes/adodb/drivers/adodb-pdo_mysql.inc.php
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182
includes/adodb/drivers/adodb-pdo_mysql.inc.php
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<?php
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/*
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V5.06 16 Oct 2008 (c) 2000-2008 John Lim (jlim#natsoft.com). All rights reserved.
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Released under both BSD license and Lesser GPL library license.
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Whenever there is any discrepancy between the two licenses,
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the BSD license will take precedence.
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Set tabs to 8.
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*/
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class ADODB_pdo_mysql extends ADODB_pdo {
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var $metaTablesSQL = "SHOW TABLES";
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var $metaColumnsSQL = "SHOW COLUMNS FROM `%s`";
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var $sysDate = 'CURDATE()';
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var $sysTimeStamp = 'NOW()';
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var $hasGenID = true;
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var $_genIDSQL = "update %s set id=LAST_INSERT_ID(id+1);";
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var $_dropSeqSQL = "drop table %s";
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var $nameQuote = '`';
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function _init($parentDriver)
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{
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$parentDriver->hasTransactions = false;
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#$parentDriver->_bindInputArray = false;
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$parentDriver->hasInsertID = true;
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$parentDriver->_connectionID->setAttribute(PDO::MYSQL_ATTR_USE_BUFFERED_QUERY,true);
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}
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// dayFraction is a day in floating point
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function OffsetDate($dayFraction,$date=false)
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{
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if (!$date) $date = $this->sysDate;
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$fraction = $dayFraction * 24 * 3600;
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return $date . ' + INTERVAL ' . $fraction.' SECOND';
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// return "from_unixtime(unix_timestamp($date)+$fraction)";
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}
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function Concat()
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{
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$s = "";
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$arr = func_get_args();
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// suggestion by andrew005#mnogo.ru
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$s = implode(',',$arr);
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if (strlen($s) > 0) return "CONCAT($s)"; return '';
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}
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function ServerInfo()
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{
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$arr['description'] = ADOConnection::GetOne("select version()");
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$arr['version'] = ADOConnection::_findvers($arr['description']);
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return $arr;
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}
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function MetaTables($ttype=false,$showSchema=false,$mask=false)
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{
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$save = $this->metaTablesSQL;
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if ($showSchema && is_string($showSchema)) {
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$this->metaTablesSQL .= " from $showSchema";
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}
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if ($mask) {
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$mask = $this->qstr($mask);
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$this->metaTablesSQL .= " like $mask";
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}
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$ret = ADOConnection::MetaTables($ttype,$showSchema);
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$this->metaTablesSQL = $save;
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return $ret;
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}
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function SetTransactionMode( $transaction_mode )
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{
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$this->_transmode = $transaction_mode;
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if (empty($transaction_mode)) {
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$this->Execute('SET TRANSACTION ISOLATION LEVEL REPEATABLE READ');
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return;
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}
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if (!stristr($transaction_mode,'isolation')) $transaction_mode = 'ISOLATION LEVEL '.$transaction_mode;
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$this->Execute("SET SESSION TRANSACTION ".$transaction_mode);
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}
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function MetaColumns($table)
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{
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$this->_findschema($table,$schema);
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if ($schema) {
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$dbName = $this->database;
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$this->SelectDB($schema);
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}
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global $ADODB_FETCH_MODE;
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$save = $ADODB_FETCH_MODE;
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$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
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if ($this->fetchMode !== false) $savem = $this->SetFetchMode(false);
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$rs = $this->Execute(sprintf($this->metaColumnsSQL,$table));
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if ($schema) {
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$this->SelectDB($dbName);
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}
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if (isset($savem)) $this->SetFetchMode($savem);
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$ADODB_FETCH_MODE = $save;
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if (!is_object($rs)) {
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$false = false;
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return $false;
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}
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$retarr = array();
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while (!$rs->EOF){
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$fld = new ADOFieldObject();
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$fld->name = $rs->fields[0];
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$type = $rs->fields[1];
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// split type into type(length):
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$fld->scale = null;
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if (preg_match("/^(.+)\((\d+),(\d+)/", $type, $query_array)) {
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$fld->type = $query_array[1];
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$fld->max_length = is_numeric($query_array[2]) ? $query_array[2] : -1;
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$fld->scale = is_numeric($query_array[3]) ? $query_array[3] : -1;
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} elseif (preg_match("/^(.+)\((\d+)/", $type, $query_array)) {
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$fld->type = $query_array[1];
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$fld->max_length = is_numeric($query_array[2]) ? $query_array[2] : -1;
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} elseif (preg_match("/^(enum)\((.*)\)$/i", $type, $query_array)) {
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$fld->type = $query_array[1];
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$arr = explode(",",$query_array[2]);
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$fld->enums = $arr;
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$zlen = max(array_map("strlen",$arr)) - 2; // PHP >= 4.0.6
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$fld->max_length = ($zlen > 0) ? $zlen : 1;
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} else {
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$fld->type = $type;
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$fld->max_length = -1;
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}
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$fld->not_null = ($rs->fields[2] != 'YES');
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$fld->primary_key = ($rs->fields[3] == 'PRI');
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$fld->auto_increment = (strpos($rs->fields[5], 'auto_increment') !== false);
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$fld->binary = (strpos($type,'blob') !== false);
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$fld->unsigned = (strpos($type,'unsigned') !== false);
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if (!$fld->binary) {
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$d = $rs->fields[4];
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if ($d != '' && $d != 'NULL') {
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$fld->has_default = true;
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$fld->default_value = $d;
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} else {
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$fld->has_default = false;
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}
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}
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if ($save == ADODB_FETCH_NUM) {
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$retarr[] = $fld;
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} else {
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$retarr[strtoupper($fld->name)] = $fld;
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}
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$rs->MoveNext();
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}
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$rs->Close();
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return $retarr;
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}
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// parameters use PostgreSQL convention, not MySQL
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function SelectLimit($sql,$nrows=-1,$offset=-1,$inputarr=false,$secs=0)
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{
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$offsetStr =($offset>=0) ? "$offset," : '';
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// jason judge, see http://phplens.com/lens/lensforum/msgs.php?id=9220
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if ($nrows < 0) $nrows = '18446744073709551615';
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if ($secs)
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$rs = $this->CacheExecute($secs,$sql." LIMIT $offsetStr$nrows",$inputarr);
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else
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$rs = $this->Execute($sql." LIMIT $offsetStr$nrows",$inputarr);
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return $rs;
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}
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}
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?>
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