--- /dev/null
+<?php
+
+
+/*
+V5.02 24 Sept 2007 (c) 2000-2007 John Lim (jlim#natsoft.com.my). All rights reserved.
+ Released under both BSD license and Lesser GPL library license.
+ Whenever there is any discrepancy between the two licenses,
+ the BSD license will take precedence.
+ Set tabs to 8.
+
+*/
+
+class ADODB_pdo_mysql extends ADODB_pdo {
+ var $metaTablesSQL = "SHOW TABLES";
+ var $metaColumnsSQL = "SHOW COLUMNS FROM `%s`";
+ var $sysDate = 'CURDATE()';
+ var $sysTimeStamp = 'NOW()';
+ var $nameQuote = '`';
+
+ function _init($parentDriver)
+ {
+
+ $parentDriver->hasTransactions = false;
+ $parentDriver->_bindInputArray = false;
+ $parentDriver->hasInsertID = true;
+ $parentDriver->_connectionID->setAttribute(PDO::MYSQL_ATTR_USE_BUFFERED_QUERY,true);
+ }
+
+ // dayFraction is a day in floating point
+ function OffsetDate($dayFraction,$date=false)
+ {
+ if (!$date) $date = $this->sysDate;
+
+ $fraction = $dayFraction * 24 * 3600;
+ return $date . ' + INTERVAL ' . $fraction.' SECOND';
+
+// return "from_unixtime(unix_timestamp($date)+$fraction)";
+ }
+
+ function ServerInfo()
+ {
+ $arr['description'] = ADOConnection::GetOne("select version()");
+ $arr['version'] = ADOConnection::_findvers($arr['description']);
+ return $arr;
+ }
+
+ function MetaTables($ttype=false,$showSchema=false,$mask=false)
+ {
+ $save = $this->metaTablesSQL;
+ if ($showSchema && is_string($showSchema)) {
+ $this->metaTablesSQL .= " from $showSchema";
+ }
+
+ if ($mask) {
+ $mask = $this->qstr($mask);
+ $this->metaTablesSQL .= " like $mask";
+ }
+ $ret = ADOConnection::MetaTables($ttype,$showSchema);
+
+ $this->metaTablesSQL = $save;
+ return $ret;
+ }
+
+ function SetTransactionMode( $transaction_mode )
+ {
+ $this->_transmode = $transaction_mode;
+ if (empty($transaction_mode)) {
+ $this->Execute('SET TRANSACTION ISOLATION LEVEL REPEATABLE READ');
+ return;
+ }
+ if (!stristr($transaction_mode,'isolation')) $transaction_mode = 'ISOLATION LEVEL '.$transaction_mode;
+ $this->Execute("SET SESSION TRANSACTION ".$transaction_mode);
+ }
+
+ function MetaColumns($table)
+ {
+ $this->_findschema($table,$schema);
+ if ($schema) {
+ $dbName = $this->database;
+ $this->SelectDB($schema);
+ }
+ global $ADODB_FETCH_MODE;
+ $save = $ADODB_FETCH_MODE;
+ $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
+
+ if ($this->fetchMode !== false) $savem = $this->SetFetchMode(false);
+ $rs = $this->Execute(sprintf($this->metaColumnsSQL,$table));
+
+ if ($schema) {
+ $this->SelectDB($dbName);
+ }
+
+ if (isset($savem)) $this->SetFetchMode($savem);
+ $ADODB_FETCH_MODE = $save;
+ if (!is_object($rs)) {
+ $false = false;
+ return $false;
+ }
+
+ $retarr = array();
+ while (!$rs->EOF){
+ $fld = new ADOFieldObject();
+ $fld->name = $rs->fields[0];
+ $type = $rs->fields[1];
+
+ // split type into type(length):
+ $fld->scale = null;
+ if (preg_match("/^(.+)\((\d+),(\d+)/", $type, $query_array)) {
+ $fld->type = $query_array[1];
+ $fld->max_length = is_numeric($query_array[2]) ? $query_array[2] : -1;
+ $fld->scale = is_numeric($query_array[3]) ? $query_array[3] : -1;
+ } elseif (preg_match("/^(.+)\((\d+)/", $type, $query_array)) {
+ $fld->type = $query_array[1];
+ $fld->max_length = is_numeric($query_array[2]) ? $query_array[2] : -1;
+ } elseif (preg_match("/^(enum)\((.*)\)$/i", $type, $query_array)) {
+ $fld->type = $query_array[1];
+ $arr = explode(",",$query_array[2]);
+ $fld->enums = $arr;
+ $zlen = max(array_map("strlen",$arr)) - 2; // PHP >= 4.0.6
+ $fld->max_length = ($zlen > 0) ? $zlen : 1;
+ } else {
+ $fld->type = $type;
+ $fld->max_length = -1;
+ }
+ $fld->not_null = ($rs->fields[2] != 'YES');
+ $fld->primary_key = ($rs->fields[3] == 'PRI');
+ $fld->auto_increment = (strpos($rs->fields[5], 'auto_increment') !== false);
+ $fld->binary = (strpos($type,'blob') !== false);
+ $fld->unsigned = (strpos($type,'unsigned') !== false);
+
+ if (!$fld->binary) {
+ $d = $rs->fields[4];
+ if ($d != '' && $d != 'NULL') {
+ $fld->has_default = true;
+ $fld->default_value = $d;
+ } else {
+ $fld->has_default = false;
+ }
+ }
+
+ if ($save == ADODB_FETCH_NUM) {
+ $retarr[] = $fld;
+ } else {
+ $retarr[strtoupper($fld->name)] = $fld;
+ }
+ $rs->MoveNext();
+ }
+
+ $rs->Close();
+ return $retarr;
+ }
+
+
+ // parameters use PostgreSQL convention, not MySQL
+ function SelectLimit($sql,$nrows=-1,$offset=-1,$inputarr=false,$secs=0)
+ {
+ $offsetStr =($offset>=0) ? "$offset," : '';
+ // jason judge, see http://phplens.com/lens/lensforum/msgs.php?id=9220
+ if ($nrows < 0) $nrows = '18446744073709551615';
+
+ if ($secs)
+ $rs = $this->CacheExecute($secs,$sql." LIMIT $offsetStr$nrows",$inputarr);
+ else
+ $rs = $this->Execute($sql." LIMIT $offsetStr$nrows",$inputarr);
+ return $rs;
+ }
+}
+?>
\ No newline at end of file
BGBM BDI Projects / geo.git / blobdiff