rsPrefix .= 'ext_'; } function ServerInfo() { $arr['description'] = ADOConnection::GetOne("select version()"); $arr['version'] = ADOConnection::_findvers($arr['description']); return $arr; } function IfNull( $field, $ifNull ) { return " IFNULL($field, $ifNull) "; // if MySQL } function &MetaTables($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 $ret; } function &MetaIndexes ($table, $primary = FALSE, $owner=false) { // save old fetch mode global $ADODB_FETCH_MODE; $false = false; $save = $ADODB_FETCH_MODE; $ADODB_FETCH_MODE = ADODB_FETCH_NUM; if ($this->fetchMode !== FALSE) { $savem = $this->SetFetchMode(FALSE); } // get index details $rs = $this->Execute(sprintf('SHOW INDEX FROM %s',$table)); // restore fetchmode if (isset($savem)) { $this->SetFetchMode($savem); } $ADODB_FETCH_MODE = $save; if (!is_object($rs)) { return $false; } $indexes = array (); // parse index data into array while ($row = $rs->FetchRow()) { if ($primary == FALSE AND $row[2] == 'PRIMARY') { continue; } if (!isset($indexes[$row[2]])) { $indexes[$row[2]] = array( 'unique' => ($row[1] == 0), 'columns' => array() ); } $indexes[$row[2]]['columns'][$row[3] - 1] = $row[4]; } // sort columns by order in the index foreach ( array_keys ($indexes) as $index ) { ksort ($indexes[$index]['columns']); } return $indexes; } // if magic quotes disabled, use mysql_real_escape_string() function qstr($s,$magic_quotes=false) { if (!$magic_quotes) { if (ADODB_PHPVER >= 0x4300) { if (is_resource($this->_connectionID)) return "'".mysql_real_escape_string($s,$this->_connectionID)."'"; } if ($this->replaceQuote[0] == '\\'){ $s = adodb_str_replace(array('\\',"\0"),array('\\\\',"\\\0"),$s); } return "'".str_replace("'",$this->replaceQuote,$s)."'"; } // undo magic quotes for " $s = str_replace('\\"','"',$s); return "'$s'"; } function _insertid() { return $this->GetOne('SELECT LAST_INSERT_ID()'); //return mysql_insert_id($this->_connectionID); } function GetOne($sql,$inputarr=false) { if (strncasecmp($sql,'sele',4) == 0) { $rs =& $this->SelectLimit($sql,1,-1,$inputarr); if ($rs) { $rs->Close(); if ($rs->EOF) return false; return reset($rs->fields); } } else { return ADOConnection::GetOne($sql,$inputarr); } return false; } function BeginTrans() { if ($this->debug) ADOConnection::outp("Transactions not supported in 'mysql' driver. Use 'mysqlt' or 'mysqli' driver"); } function _affectedrows() { return mysql_affected_rows($this->_connectionID); } // See http://www.mysql.com/doc/M/i/Miscellaneous_functions.html // Reference on Last_Insert_ID on the recommended way to simulate sequences var $_genIDSQL = "update %s set id=LAST_INSERT_ID(id+1);"; var $_genSeqSQL = "create table %s (id int not null)"; var $_genSeq2SQL = "insert into %s values (%s)"; var $_dropSeqSQL = "drop table %s"; function CreateSequence($seqname='adodbseq',$startID=1) { if (empty($this->_genSeqSQL)) return false; $u = strtoupper($seqname); $ok = $this->Execute(sprintf($this->_genSeqSQL,$seqname)); if (!$ok) return false; return $this->Execute(sprintf($this->_genSeq2SQL,$seqname,$startID-1)); } function GenID($seqname='adodbseq',$startID=1) { // post-nuke sets hasGenID to false if (!$this->hasGenID) return false; $savelog = $this->_logsql; $this->_logsql = false; $getnext = sprintf($this->_genIDSQL,$seqname); $holdtransOK = $this->_transOK; // save the current status $rs = @$this->Execute($getnext); if (!$rs) { if ($holdtransOK) $this->_transOK = true; //if the status was ok before reset $u = strtoupper($seqname); $this->Execute(sprintf($this->_genSeqSQL,$seqname)); $this->Execute(sprintf($this->_genSeq2SQL,$seqname,$startID-1)); $rs = $this->Execute($getnext); } $this->genID = mysql_insert_id($this->_connectionID); if ($rs) $rs->Close(); $this->_logsql = $savelog; return $this->genID; } function &MetaDatabases() { $qid = mysql_list_dbs($this->_connectionID); $arr = array(); $i = 0; $max = mysql_num_rows($qid); while ($i < $max) { $db = mysql_tablename($qid,$i); if ($db != 'mysql') $arr[] = $db; $i += 1; } return $arr; } // Format date column in sql string given an input format that understands Y M D function SQLDate($fmt, $col=false) { if (!$col) $col = $this->sysTimeStamp; $s = 'DATE_FORMAT('.$col.",'"; $concat = false; $len = strlen($fmt); for ($i=0; $i < $len; $i++) { $ch = $fmt[$i]; switch($ch) { default: if ($ch == '\\') { $i++; $ch = substr($fmt,$i,1); } /** FALL THROUGH */ case '-': case '/': $s .= $ch; break; case 'Y': case 'y': $s .= '%Y'; break; case 'M': $s .= '%b'; break; case 'm': $s .= '%m'; break; case 'D': case 'd': $s .= '%d'; break; case 'Q': case 'q': $s .= "'),Quarter($col)"; if ($len > $i+1) $s .= ",DATE_FORMAT($col,'"; else $s .= ",('"; $concat = true; break; case 'H': $s .= '%H'; break; case 'h': $s .= '%I'; break; case 'i': $s .= '%i'; break; case 's': $s .= '%s'; break; case 'a': case 'A': $s .= '%p'; break; } } $s.="')"; if ($concat) $s = "CONCAT($s)"; return $s; } // returns concatenated string // much easier to run "mysqld --ansi" or "mysqld --sql-mode=PIPES_AS_CONCAT" and use || operator function Concat() { $s = ""; $arr = func_get_args(); // suggestion by andrew005@mnogo.ru $s = implode(',',$arr); if (strlen($s) > 0) return "CONCAT($s)"; else return ''; } function OffsetDate($dayFraction,$date=false) { if (!$date) $date = $this->sysDate; return "from_unixtime(unix_timestamp($date)+($dayFraction)*24*3600)"; } // returns true or false function _connect($argHostname, $argUsername, $argPassword, $argDatabasename) { if (ADODB_PHPVER >= 0x4300) $this->_connectionID = mysql_connect($argHostname,$argUsername,$argPassword, $this->forceNewConnect,$this->clientFlags); else if (ADODB_PHPVER >= 0x4200) $this->_connectionID = mysql_connect($argHostname,$argUsername,$argPassword, $this->forceNewConnect); else $this->_connectionID = mysql_connect($argHostname,$argUsername,$argPassword); if ($this->_connectionID === false) return false; if ($argDatabasename) return $this->SelectDB($argDatabasename); return true; } // returns true or false function _pconnect($argHostname, $argUsername, $argPassword, $argDatabasename) { if (ADODB_PHPVER >= 0x4300) $this->_connectionID = mysql_pconnect($argHostname,$argUsername,$argPassword,$this->clientFlags); else $this->_connectionID = mysql_pconnect($argHostname,$argUsername,$argPassword); if ($this->_connectionID === false) return false; if ($this->autoRollback) $this->RollbackTrans(); if ($argDatabasename) return $this->SelectDB($argDatabasename); return true; } function _nconnect($argHostname, $argUsername, $argPassword, $argDatabasename) { $this->forceNewConnect = true; return $this->_connect($argHostname, $argUsername, $argPassword, $argDatabasename); } function &MetaColumns($table) { 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,$table)); if (isset($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; } 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 $retarr; } // returns true or false function SelectDB($dbName) { $this->databaseName = $dbName; if ($this->_connectionID) { return @mysql_select_db($dbName,$this->_connectionID); } else return false; } // 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 $rs; } // returns queryID or false function _query($sql,$inputarr) { //global $ADODB_COUNTRECS; //if($ADODB_COUNTRECS) return mysql_query($sql,$this->_connectionID); //else return @mysql_unbuffered_query($sql,$this->_connectionID); // requires PHP >= 4.0.6 } /* Returns: the last error message from previous database operation */ function ErrorMsg() { if ($this->_logsql) return $this->_errorMsg; if (empty($this->_connectionID)) $this->_errorMsg = @mysql_error(); else $this->_errorMsg = @mysql_error($this->_connectionID); return $this->_errorMsg; } /* Returns: the last error number from previous database operation */ function ErrorNo() { if ($this->_logsql) return $this->_errorCode; if (empty($this->_connectionID)) return @mysql_errno(); else return @mysql_errno($this->_connectionID); } // returns true or false function _close() { @mysql_close($this->_connectionID); $this->_connectionID = false; } /* * Maximum size of C field */ function CharMax() { return 255; } /* * Maximum size of X field */ function TextMax() { return 4294967295; } } /*-------------------------------------------------------------------------------------- Class Name: Recordset --------------------------------------------------------------------------------------*/ class ADORecordSet_mysql extends ADORecordSet{ var $databaseType = "mysql"; var $canSeek = true; function ADORecordSet_mysql($queryID,$mode=false) { if ($mode === false) { global $ADODB_FETCH_MODE; $mode = $ADODB_FETCH_MODE; } switch ($mode) { case ADODB_FETCH_NUM: $this->fetchMode = MYSQL_NUM; break; case ADODB_FETCH_ASSOC:$this->fetchMode = MYSQL_ASSOC; break; case ADODB_FETCH_DEFAULT: case ADODB_FETCH_BOTH: default: $this->fetchMode = MYSQL_BOTH; break; } $this->adodbFetchMode = $mode; $this->ADORecordSet($queryID); } function _initrs() { //GLOBAL $ADODB_COUNTRECS; // $this->_numOfRows = ($ADODB_COUNTRECS) ? @mysql_num_rows($this->_queryID):-1; $this->_numOfRows = @mysql_num_rows($this->_queryID); $this->_numOfFields = @mysql_num_fields($this->_queryID); } function &FetchField($fieldOffset = -1) { if ($fieldOffset != -1) { $o = @mysql_fetch_field($this->_queryID, $fieldOffset); $f = @mysql_field_flags($this->_queryID,$fieldOffset); $o->max_length = @mysql_field_len($this->_queryID,$fieldOffset); // suggested by: Jim Nicholson (jnich@att.com) //$o->max_length = -1; // mysql returns the max length less spaces -- so it is unrealiable $o->binary = (strpos($f,'binary')!== false); } else if ($fieldOffset == -1) { /* The $fieldOffset argument is not provided thus its -1 */ $o = @mysql_fetch_field($this->_queryID); $o->max_length = @mysql_field_len($this->_queryID); // suggested by: Jim Nicholson (jnich@att.com) //$o->max_length = -1; // mysql returns the max length less spaces -- so it is unrealiable } return $o; } function &GetRowAssoc($upper=true) { if ($this->fetchMode == MYSQL_ASSOC && !$upper) return $this->fields; $row =& ADORecordSet::GetRowAssoc($upper); return $row; } /* Use associative array to get fields array */ function Fields($colname) { // added @ by "Michael William Miller" if ($this->fetchMode != MYSQL_NUM) return @$this->fields[$colname]; if (!$this->bind) { $this->bind = array(); for ($i=0; $i < $this->_numOfFields; $i++) { $o = $this->FetchField($i); $this->bind[strtoupper($o->name)] = $i; } } return $this->fields[$this->bind[strtoupper($colname)]]; } function _seek($row) { if ($this->_numOfRows == 0) return false; return @mysql_data_seek($this->_queryID,$row); } function MoveNext() { //return adodb_movenext($this); //if (defined('ADODB_EXTENSION')) return adodb_movenext($this); if (@$this->fields =& mysql_fetch_array($this->_queryID,$this->fetchMode)) { $this->_currentRow += 1; return true; } if (!$this->EOF) { $this->_currentRow += 1; $this->EOF = true; } return false; } function _fetch() { $this->fields = @mysql_fetch_array($this->_queryID,$this->fetchMode); return is_array($this->fields); } function _close() { @mysql_free_result($this->_queryID); $this->_queryID = false; } function MetaType($t,$len=-1,$fieldobj=false) { if (is_object($t)) { $fieldobj = $t; $t = $fieldobj->type; $len = $fieldobj->max_length; } $len = -1; // mysql max_length is not accurate switch (strtoupper($t)) { case 'STRING': case 'CHAR': case 'VARCHAR': case 'TINYBLOB': case 'TINYTEXT': case 'ENUM': case 'SET': if ($len <= $this->blobSize) return 'C'; case 'TEXT': case 'LONGTEXT': case 'MEDIUMTEXT': return 'X'; // php_mysql extension always returns 'blob' even if 'text' // so we have to check whether binary... case 'IMAGE': case 'LONGBLOB': case 'BLOB': case 'MEDIUMBLOB': return !empty($fieldobj->binary) ? 'B' : 'X'; case 'YEAR': case 'DATE': return 'D'; case 'TIME': case 'DATETIME': case 'TIMESTAMP': return 'T'; case 'INT': case 'INTEGER': case 'BIGINT': case 'TINYINT': case 'MEDIUMINT': case 'SMALLINT': if (!empty($fieldobj->primary_key)) return 'R'; else return 'I'; default: return 'N'; } } } class ADORecordSet_ext_mysql extends ADORecordSet_mysql { function ADORecordSet_ext_mysql($queryID,$mode=false) { if ($mode === false) { global $ADODB_FETCH_MODE; $mode = $ADODB_FETCH_MODE; } switch ($mode) { case ADODB_FETCH_NUM: $this->fetchMode = MYSQL_NUM; break; case ADODB_FETCH_ASSOC:$this->fetchMode = MYSQL_ASSOC; break; case ADODB_FETCH_DEFAULT: case ADODB_FETCH_BOTH: default: $this->fetchMode = MYSQL_BOTH; break; } $this->adodbFetchMode = $mode; $this->ADORecordSet($queryID); } function MoveNext() { return @adodb_movenext($this); } } } ?>