diff options
Diffstat (limited to 'framework/DataAccess/adodb/drivers/adodb-pdo_mysql.inc.php')
| -rw-r--r-- | framework/DataAccess/adodb/drivers/adodb-pdo_mysql.inc.php | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/framework/DataAccess/adodb/drivers/adodb-pdo_mysql.inc.php b/framework/DataAccess/adodb/drivers/adodb-pdo_mysql.inc.php new file mode 100644 index 00000000..6177fb60 --- /dev/null +++ b/framework/DataAccess/adodb/drivers/adodb-pdo_mysql.inc.php @@ -0,0 +1,146 @@ +<?php + + +/* +V4.72 21 Feb 2006 (c) 2000-2006 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 $_bindInputArray = false; + var $sysDate = 'CURDATE()'; + var $sysTimeStamp = 'NOW()'; + + function _init($parentDriver) + { + + $parentDriver->hasTransactions = false; + $parentDriver->_bindInputArray = true; + $parentDriver->hasInsertID = true; + $parentDriver->_connectionID->setAttribute(PDO::MYSQL_ATTR_USE_BUFFERED_QUERY,true); + } + + 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 $ret; + } + + function &MetaColumns($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; + } +} +?>
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