📄 adodb-mysqli.inc.php
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$rs = $this->Execute(sprintf($this->metaColumnsSQL,$table));
if (isset($savem)) $this->SetFetchMode($savem);
$ADODB_FETCH_MODE = $save;
if (!is_object($rs))
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];
$fld->max_length = max(array_map("strlen",explode(",",$query_array[2]))) - 2; // PHP >= 4.0.6
$fld->max_length = ($fld->max_length == 0 ? 1 : $fld->max_length);
} 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->_connectionID = $this->mysqli_resolve_link($this->_connectionID);
$this->database = $dbName;
$this->databaseName = $dbName; # obsolete, retained for compat with older adodb versions
if ($this->_connectionID) {
$result = @mysqli_select_db($this->_connectionID, $dbName);
if (!$result) {
ADOConnection::outp("Select of database " . $dbName . " failed. " . $this->ErrorMsg());
}
return $result;
}
return false;
}
// parameters use PostgreSQL convention, not MySQL
function &SelectLimit($sql,
$nrows = -1,
$offset = -1,
$inputarr = false,
$arg3 = false,
$secs = 0)
{
$offsetStr = ($offset >= 0) ? "$offset," : '';
if ($nrows < 0) $nrows = '18446744073709551615';
if ($secs)
$rs =& $this->CacheExecute($secs, $sql . " LIMIT $offsetStr$nrows" , $inputarr , $arg3);
else
$rs =& $this->Execute($sql . " LIMIT $offsetStr$nrows" , $inputarr , $arg3);
return $rs;
}
function Prepare($sql)
{
return $sql;
$stmt = $this->_connectionID->prepare($sql);
if (!$stmt) {
echo $this->ErrorMsg();
return $sql;
}
return array($sql,$stmt);
}
// returns queryID or false
function _query($sql, $inputarr)
{
global $ADODB_COUNTRECS;
if (is_array($sql)) {
$stmt = $sql[1];
$a = '';
foreach($inputarr as $k => $v) {
if (is_string($v)) $a .= 's';
else if (is_integer($v)) $a .= 'i';
else $a .= 'd';
}
$fnarr = array_merge( array($stmt,$a) , $inputarr);
$ret = call_user_func_array('mysqli_stmt_bind_param',$fnarr);
$ret = mysqli_stmt_execute($stmt);
return $ret;
}
if (!$mysql_res = mysqli_query($this->_connectionID, $sql, ($ADODB_COUNTRECS) ? MYSQLI_STORE_RESULT : MYSQLI_USE_RESULT)) {
if ($this->debug) ADOConnection::outp("Query: " . $sql . " failed. " . $this->ErrorMsg());
return false;
}
return $mysql_res;
}
/* Returns: the last error message from previous database operation */
function ErrorMsg()
{
if (empty($this->_connectionID))
$this->_errorMsg = @mysqli_connect_error();
else
$this->_errorMsg = @mysqli_error($this->_connectionID);
return $this->_errorMsg;
}
/* Returns: the last error number from previous database operation */
function ErrorNo()
{
if (empty($this->_connectionID))
return @mysqli_connect_errno();
else
return @mysqli_errno($this->_connectionID);
}
// returns true or false
function _close()
{
@mysqli_close($this->_connectionID);
$this->_connectionID = false;
}
/*
* Maximum size of C field
*/
function CharMax()
{
return 255;
}
/*
* Maximum size of X field
*/
function TextMax()
{
return 4294967295;
}
// this is a set of functions for managing client encoding - very important if the encodings
// of your database and your output target (i.e. HTML) don't match
// for instance, you may have UTF8 database and server it on-site as latin1 etc.
// GetCharSet - get the name of the character set the client is using now
// Under Windows, the functions should work with MySQL 4.1.11 and above, the set of charsets supported
// depends on compile flags of mysql distribution
function GetCharSet()
{
//we will use ADO's builtin property charSet
if (!is_callable($this->_connectionID,'character_set_name'))
return false;
$this->charSet = @$this->_connectionID->character_set_name();
if (!$this->charSet) {
return false;
} else {
return $this->charSet;
}
}
// SetCharSet - switch the client encoding
function SetCharSet($charset_name)
{
if (!is_callable($this->_connectionID,'set_charset'))
return false;
if ($this->charSet !== $charset_name) {
$if = @$this->_connectionID->set_charset($charset_name);
if ($if == "0" & $this->GetCharSet() == $charset_name) {
return true;
} else return false;
} else return true;
}
}
/*--------------------------------------------------------------------------------------
Class Name: Recordset
--------------------------------------------------------------------------------------*/
class ADORecordSet_mysqli extends ADORecordSet{
var $databaseType = "mysqli";
var $canSeek = true;
function ADORecordSet_mysqli($queryID, $mode = false)
{
if ($mode === false)
{
global $ADODB_FETCH_MODE;
$mode = $ADODB_FETCH_MODE;
}
switch ($mode)
{
case ADODB_FETCH_NUM:
$this->fetchMode = MYSQLI_NUM;
break;
case ADODB_FETCH_ASSOC:
$this->fetchMode = MYSQLI_ASSOC;
break;
case ADODB_FETCH_DEFAULT:
case ADODB_FETCH_BOTH:
default:
$this->fetchMode = MYSQLI_BOTH;
break;
}
$this->adodbFetchMode = $mode;
$this->ADORecordSet($queryID);
}
function _initrs()
{
global $ADODB_COUNTRECS;
$this->_numOfRows = $ADODB_COUNTRECS ? @mysqli_num_rows($this->_queryID) : -1;
$this->_numOfFields = @mysqli_num_fields($this->_queryID);
}
/*
1 = MYSQLI_NOT_NULL_FLAG
2 = MYSQLI_PRI_KEY_FLAG
4 = MYSQLI_UNIQUE_KEY_FLAG
8 = MYSQLI_MULTIPLE_KEY_FLAG
16 = MYSQLI_BLOB_FLAG
32 = MYSQLI_UNSIGNED_FLAG
64 = MYSQLI_ZEROFILL_FLAG
128 = MYSQLI_BINARY_FLAG
256 = MYSQLI_ENUM_FLAG
512 = MYSQLI_AUTO_INCREMENT_FLAG
1024 = MYSQLI_TIMESTAMP_FLAG
2048 = MYSQLI_SET_FLAG
32768 = MYSQLI_NUM_FLAG
16384 = MYSQLI_PART_KEY_FLAG
32768 = MYSQLI_GROUP_FLAG
65536 = MYSQLI_UNIQUE_FLAG
131072 = MYSQLI_BINCMP_FLAG
*/
function &FetchField($fieldOffset = -1)
{
$fieldnr = $fieldOffset;
if ($fieldOffset != -1) {
$fieldOffset = mysqli_field_seek($this->_queryID, $fieldnr);
}
$o = mysqli_fetch_field($this->_queryID);
/* Properties of an ADOFieldObject as set by MetaColumns */
$o->primary_key = $o->flags & MYSQLI_PRI_KEY_FLAG;
$o->not_null = $o->flags & MYSQLI_NOT_NULL_FLAG;
$o->auto_increment = $o->flags & MYSQLI_AUTO_INCREMENT_FLAG;
$o->binary = $o->flags & MYSQLI_BINARY_FLAG;
// $o->blob = $o->flags & MYSQLI_BLOB_FLAG; /* not returned by MetaColumns */
$o->unsigned = $o->flags & MYSQLI_UNSIGNED_FLAG;
return $o;
}
function &GetRowAssoc($upper = true)
{
if ($this->fetchMode == MYSQLI_ASSOC && !$upper)
return $this->fields;
$row =& ADORecordSet::GetRowAssoc($upper);
return $row;
}
/* Use associative array to get fields array */
function Fields($colname)
{
if ($this->fetchMode != MYSQLI_NUM)
return @$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 ($this->_numOfRows == 0)
return false;
if ($row < 0)
return false;
mysqli_data_seek($this->_queryID, $row);
$this->EOF = false;
return true;
}
// 10% speedup to move MoveNext to child class
// This is the only implementation that works now (23-10-2003).
// Other functions return no or the wrong results.
function MoveNext()
{
if ($this->EOF) return false;
$this->_currentRow++;
$this->fields = @mysqli_fetch_array($this->_queryID,$this->fetchMode);
if (is_array($this->fields)) return true;
$this->EOF = true;
return false;
}
function _fetch()
{
$this->fields = mysqli_fetch_array($this->_queryID,$this->fetchMode);
return is_array($this->fields);
}
function _close()
{
mysqli_free_result($this->_queryID);
$this->_queryID = false;
}
/*
0 = MYSQLI_TYPE_DECIMAL
1 = MYSQLI_TYPE_CHAR
1 = MYSQLI_TYPE_TINY
2 = MYSQLI_TYPE_SHORT
3 = MYSQLI_TYPE_LONG
4 = MYSQLI_TYPE_FLOAT
5 = MYSQLI_TYPE_DOUBLE
6 = MYSQLI_TYPE_NULL
7 = MYSQLI_TYPE_TIMESTAMP
8 = MYSQLI_TYPE_LONGLONG
9 = MYSQLI_TYPE_INT24
10 = MYSQLI_TYPE_DATE
11 = MYSQLI_TYPE_TIME
12 = MYSQLI_TYPE_DATETIME
13 = MYSQLI_TYPE_YEAR
14 = MYSQLI_TYPE_NEWDATE
247 = MYSQLI_TYPE_ENUM
248 = MYSQLI_TYPE_SET
249 = MYSQLI_TYPE_TINY_BLOB
250 = MYSQLI_TYPE_MEDIUM_BLOB
251 = MYSQLI_TYPE_LONG_BLOB
252 = MYSQLI_TYPE_BLOB
253 = MYSQLI_TYPE_VAR_STRING
254 = MYSQLI_TYPE_STRING
255 = MYSQLI_TYPE_GEOMETRY
*/
function MetaType($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':
case MYSQLI_TYPE_TINY_BLOB :
case MYSQLI_TYPE_CHAR :
case MYSQLI_TYPE_STRING :
case MYSQLI_TYPE_ENUM :
case MYSQLI_TYPE_SET :
case 253 :
if ($len <= $this->blobSize) return 'C';
case 'TEXT':
case 'LONGTEXT':
case 'MEDIUMTEXT':
return 'X';
// php_mysql extension always returns 'blob' even if 'text'
// so we have to check whether binary...
case 'IMAGE':
case 'LONGBLOB':
case 'BLOB':
case 'MEDIUMBLOB':
case MYSQLI_TYPE_BLOB :
case MYSQLI_TYPE_LONG_BLOB :
case MYSQLI_TYPE_MEDIUM_BLOB :
return !empty($fieldobj->binary) ? 'B' : 'X';
case 'YEAR':
case 'DATE':
case MYSQLI_TYPE_DATE :
case MYSQLI_TYPE_YEAR :
return 'D';
case 'TIME':
case 'DATETIME':
case 'TIMESTAMP':
case MYSQLI_TYPE_DATETIME :
case MYSQLI_TYPE_NEWDATE :
case MYSQLI_TYPE_TIME :
case MYSQLI_TYPE_TIMESTAMP :
return 'T';
case 'INT':
case 'INTEGER':
case 'BIGINT':
case 'TINYINT':
case 'MEDIUMINT':
case 'SMALLINT':
case MYSQLI_TYPE_INT24 :
case MYSQLI_TYPE_LONG :
case MYSQLI_TYPE_LONGLONG :
case MYSQLI_TYPE_SHORT :
case MYSQLI_TYPE_TINY :
if (!empty($fieldobj->primary_key)) return 'R';
return 'I';
// Added floating-point types
// Maybe not necessery.
case 'FLOAT':
case 'DOUBLE':
// case 'DOUBLE PRECISION':
case 'DECIMAL':
case 'DEC':
case 'FIXED':
default:
//if (!is_numeric($t)) echo "<p>--- Error in type matching $t -----</p>";
return 'N';
}
} // function
} // rs class
}
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