$value)
$new_array[strtoupper($key)] = $value;
return $new_array;
}
return $an_array;
}
function _adodb_replace(&$zthis, $table, $fieldArray, $keyCol, $autoQuote, $has_autoinc)
{
if (count($fieldArray) == 0) return 0;
$first = true;
$uSet = '';
if (!is_array($keyCol)) {
$keyCol = array($keyCol);
}
foreach($fieldArray as $k => $v) {
if ($autoQuote && !is_numeric($v) and strncmp($v,"'",1) !== 0 and strcasecmp($v,'null')!=0) {
$v = $zthis->qstr($v);
$fieldArray[$k] = $v;
}
if (in_array($k,$keyCol)) continue; // skip UPDATE if is key
if ($first) {
$first = false;
$uSet = "$k=$v";
} else
$uSet .= ",$k=$v";
}
$where = false;
foreach ($keyCol as $v) {
if ($where) $where .= " and $v=$fieldArray[$v]";
else $where = "$v=$fieldArray[$v]";
}
if ($uSet && $where) {
$update = "UPDATE $table SET $uSet WHERE $where";
$rs = $zthis->Execute($update);
if ($rs) {
if ($zthis->poorAffectedRows) {
/*
The Select count(*) wipes out any errors that the update would have returned.
http://phplens.com/lens/lensforum/msgs.php?id=5696
*/
if ($zthis->ErrorNo()<>0) return 0;
# affected_rows == 0 if update field values identical to old values
# for mysql - which is silly.
$cnt = $zthis->GetOne("select count(*) from $table where $where");
if ($cnt > 0) return 1; // record already exists
} else
if (($zthis->Affected_Rows()>0)) return 1;
}
}
// print "
Error=".$this->ErrorNo().'
';
$first = true;
foreach($fieldArray as $k => $v) {
if ($has_autoinc && in_array($k,$keyCol)) continue; // skip autoinc col
if ($first) {
$first = false;
$iCols = "$k";
$iVals = "$v";
} else {
$iCols .= ",$k";
$iVals .= ",$v";
}
}
$insert = "INSERT INTO $table ($iCols) VALUES ($iVals)";
$rs = $zthis->Execute($insert);
return ($rs) ? 2 : 0;
}
// Requires $ADODB_FETCH_MODE = ADODB_FETCH_NUM
function _adodb_getmenu(&$zthis, $name,$defstr='',$blank1stItem=true,$multiple=false,
$size=0, $selectAttr='',$compareFields0=true)
{
$hasvalue = false;
if ($multiple or is_array($defstr)) {
if ($size==0) $size=5;
$attr = " multiple size=$size";
if (!strpos($name,'[]')) $name .= '[]';
} else if ($size) $attr = " size=$size";
else $attr ='';
$s = "\n";
}
/*
Count the number of records this sql statement will return by using
query rewriting techniques...
Does not work with UNIONs.
*/
function _adodb_getcount(&$zthis, $sql,$inputarr=false,$secs2cache=0)
{
$qryRecs = 0;
if (preg_match("/^\s*SELECT\s+DISTINCT/is", $sql) || preg_match('/\s+GROUP\s+BY\s+/is',$sql)) {
// ok, has SELECT DISTINCT or GROUP BY so see if we can use a table alias
// but this is only supported by oracle and postgresql...
if ($zthis->dataProvider == 'oci8') {
$rewritesql = preg_replace('/(\sORDER\s+BY\s.*)/is','',$sql);
$rewritesql = "SELECT COUNT(*) FROM ($rewritesql)";
} else if ( $zthis->databaseType == 'postgres' || $zthis->databaseType == 'postgres7') {
$info = $zthis->ServerInfo();
if (substr($info['version'],0,3) >= 7.1) { // good till version 999
$rewritesql = preg_replace('/(\sORDER\s+BY\s.*)/is','',$sql);
$rewritesql = "SELECT COUNT(*) FROM ($rewritesql) _ADODB_ALIAS_";
}
}
} else {
// now replace SELECT ... FROM with SELECT COUNT(*) FROM
$rewritesql = preg_replace(
'/^\s*SELECT\s.*\s+FROM\s/Uis','SELECT COUNT(*) FROM ',$sql);
// fix by alexander zhukov, alex#unipack.ru, because count(*) and 'order by' fails
// with mssql, access and postgresql. Also a good speedup optimization - skips sorting!
$rewritesql = preg_replace('/(\sORDER\s+BY\s.*)/is','',$rewritesql);
}
if (isset($rewritesql) && $rewritesql != $sql) {
if ($secs2cache) {
// we only use half the time of secs2cache because the count can quickly
// become inaccurate if new records are added
$qryRecs = $zthis->CacheGetOne($secs2cache/2,$rewritesql,$inputarr);
} else {
$qryRecs = $zthis->GetOne($rewritesql,$inputarr);
}
if ($qryRecs !== false) return $qryRecs;
}
//--------------------------------------------
// query rewrite failed - so try slower way...
// strip off unneeded ORDER BY if no UNION
if (preg_match('/\s*UNION\s*/is', $sql)) $rewritesql = $sql;
else $rewritesql = preg_replace('/(\sORDER\s+BY\s.*)/is','',$sql);
$rstest = &$zthis->Execute($rewritesql,$inputarr);
if ($rstest) {
$qryRecs = $rstest->RecordCount();
if ($qryRecs == -1) {
global $ADODB_EXTENSION;
// some databases will return -1 on MoveLast() - change to MoveNext()
if ($ADODB_EXTENSION) {
while(!$rstest->EOF) {
adodb_movenext($rstest);
}
} else {
while(!$rstest->EOF) {
$rstest->MoveNext();
}
}
$qryRecs = $rstest->_currentRow;
}
$rstest->Close();
if ($qryRecs == -1) return 0;
}
return $qryRecs;
}
/*
Code originally from "Cornel G"
This code will not work with SQL that has UNION in it
Also if you are using CachePageExecute(), there is a strong possibility that
data will get out of synch. use CachePageExecute() only with tables that
rarely change.
*/
function &_adodb_pageexecute_all_rows(&$zthis, $sql, $nrows, $page,
$inputarr=false, $secs2cache=0)
{
$atfirstpage = false;
$atlastpage = false;
$lastpageno=1;
// If an invalid nrows is supplied,
// we assume a default value of 10 rows per page
if (!isset($nrows) || $nrows <= 0) $nrows = 10;
$qryRecs = false; //count records for no offset
$qryRecs = _adodb_getcount($zthis,$sql,$inputarr,$secs2cache);
$lastpageno = (int) ceil($qryRecs / $nrows);
$zthis->_maxRecordCount = $qryRecs;
// If page number <= 1, then we are at the first page
if (!isset($page) || $page <= 1) {
$page = 1;
$atfirstpage = true;
}
// ***** Here we check whether $page is the last page or
// whether we are trying to retrieve
// a page number greater than the last page number.
if ($page >= $lastpageno) {
$page = $lastpageno;
$atlastpage = true;
}
// We get the data we want
$offset = $nrows * ($page-1);
if ($secs2cache > 0)
$rsreturn = &$zthis->CacheSelectLimit($secs2cache, $sql, $nrows, $offset, $inputarr);
else
$rsreturn = &$zthis->SelectLimit($sql, $nrows, $offset, $inputarr, $secs2cache);
// Before returning the RecordSet, we set the pagination properties we need
if ($rsreturn) {
$rsreturn->_maxRecordCount = $qryRecs;
$rsreturn->rowsPerPage = $nrows;
$rsreturn->AbsolutePage($page);
$rsreturn->AtFirstPage($atfirstpage);
$rsreturn->AtLastPage($atlastpage);
$rsreturn->LastPageNo($lastpageno);
}
return $rsreturn;
}
// Iván Oliva version
function &_adodb_pageexecute_no_last_page(&$zthis, $sql, $nrows, $page, $inputarr=false, $secs2cache=0)
{
$atfirstpage = false;
$atlastpage = false;
if (!isset($page) || $page <= 1) { // If page number <= 1, then we are at the first page
$page = 1;
$atfirstpage = true;
}
if ($nrows <= 0) $nrows = 10; // If an invalid nrows is supplied, we assume a default value of 10 rows per page
// ***** Here we check whether $page is the last page or whether we are trying to retrieve a page number greater than
// the last page number.
$pagecounter = $page + 1;
$pagecounteroffset = ($pagecounter * $nrows) - $nrows;
if ($secs2cache>0) $rstest = &$zthis->CacheSelectLimit($secs2cache, $sql, $nrows, $pagecounteroffset, $inputarr);
else $rstest = &$zthis->SelectLimit($sql, $nrows, $pagecounteroffset, $inputarr, $secs2cache);
if ($rstest) {
while ($rstest && $rstest->EOF && $pagecounter>0) {
$atlastpage = true;
$pagecounter--;
$pagecounteroffset = $nrows * ($pagecounter - 1);
$rstest->Close();
if ($secs2cache>0) $rstest = &$zthis->CacheSelectLimit($secs2cache, $sql, $nrows, $pagecounteroffset, $inputarr);
else $rstest = &$zthis->SelectLimit($sql, $nrows, $pagecounteroffset, $inputarr, $secs2cache);
}
if ($rstest) $rstest->Close();
}
if ($atlastpage) { // If we are at the last page or beyond it, we are going to retrieve it
$page = $pagecounter;
if ($page == 1) $atfirstpage = true; // We have to do this again in case the last page is the same as the first
//... page, that is, the recordset has only 1 page.
}
// We get the data we want
$offset = $nrows * ($page-1);
if ($secs2cache > 0) $rsreturn = &$zthis->CacheSelectLimit($secs2cache, $sql, $nrows, $offset, $inputarr);
else $rsreturn = &$zthis->SelectLimit($sql, $nrows, $offset, $inputarr, $secs2cache);
// Before returning the RecordSet, we set the pagination properties we need
if ($rsreturn) {
$rsreturn->rowsPerPage = $nrows;
$rsreturn->AbsolutePage($page);
$rsreturn->AtFirstPage($atfirstpage);
$rsreturn->AtLastPage($atlastpage);
}
return $rsreturn;
}
function _adodb_getupdatesql(&$zthis,&$rs, $arrFields,$forceUpdate=false,$magicq=false,$forcenulls=false)
{
if (!$rs) {
printf(ADODB_BAD_RS,'GetUpdateSQL');
return false;
}
$fieldUpdatedCount = 0;
$arrFields = _array_change_key_case($arrFields);
$hasnumeric = isset($rs->fields[0]);
$setFields = '';
// Loop through all of the fields in the recordset
for ($i=0, $max=$rs->FieldCount(); $i < $max; $i++) {
// Get the field from the recordset
$field = $rs->FetchField($i);
// If the recordset field is one
// of the fields passed in then process.
$upperfname = strtoupper($field->name);
if (adodb_key_exists($upperfname,$arrFields)) {
// If the existing field value in the recordset
// is different from the value passed in then
// go ahead and append the field name and new value to
// the update query.
if ($hasnumeric) $val = $rs->fields[$i];
else if (isset($rs->fields[$upperfname])) $val = $rs->fields[$upperfname];
else if (isset($rs->fields[$field->name])) $val = $rs->fields[$field->name];
else if (isset($rs->fields[strtolower($upperfname)])) $val = $rs->fields[strtolower($upperfname)];
else $val = '';
if ($forceUpdate || strcmp($val, $arrFields[$upperfname])) {
// Set the counter for the number of fields that will be updated.
$fieldUpdatedCount++;
// Based on the datatype of the field
// Format the value properly for the database
$type = $rs->MetaType($field->type);
// is_null requires php 4.0.4
if (($forcenulls && is_null($arrFields[$upperfname])) ||
$arrFields[$upperfname] === 'null') {
$setFields .= $field->name . " = null, ";
} else {
if ($type == 'null') {
$type = 'C';
}
if (strpos($upperfname,' ') !== false)
$fnameq = $zthis->nameQuote.$upperfname.$zthis->nameQuote;
else
$fnameq = $upperfname;
//we do this so each driver can customize the sql for
//DB specific column types.
//Oracle needs BLOB types to be handled with a returning clause
//postgres has special needs as well
$setFields .= _adodb_column_sql($zthis, 'U', $type, $upperfname, $fnameq,
$arrFields, $magicq);
}
}
}
}
// If there were any modified fields then build the rest of the update query.
if ($fieldUpdatedCount > 0 || $forceUpdate) {
// Get the table name from the existing query.
preg_match("/FROM\s+".ADODB_TABLE_REGEX."/is", $rs->sql, $tableName);
// Get the full where clause excluding the word "WHERE" from
// the existing query.
preg_match('/\sWHERE\s(.*)/is', $rs->sql, $whereClause);
$discard = false;
// not a good hack, improvements?
if ($whereClause)
preg_match('/\s(LIMIT\s.*)/is', $whereClause[1], $discard);
else
$whereClause = array(false,false);
if ($discard)
$whereClause[1] = substr($whereClause[1], 0, strlen($whereClause[1]) - strlen($discard[1]));
$sql = 'UPDATE '.$tableName[1].' SET '.substr($setFields, 0, -2);
if (strlen($whereClause[1]) > 0)
$sql .= ' WHERE '.$whereClause[1];
return $sql;
} else {
return false;
}
}
function adodb_key_exists($key, &$arr,$forcenulls=false)
{
if (!$forcenulls) {
// the following is the old behaviour where null or empty fields are ignored
return (!empty($arr[$key])) || (isset($arr[$key]) && strlen($arr[$key])>0);
}
if (isset($arr[$key])) return true;
## null check below
if (ADODB_PHPVER >= 0x4010) return array_key_exists($key,$arr);
return false;
}
/**
* There is a special case of this function for the oci8 driver.
* The proper way to handle an insert w/ a blob in oracle requires
* a returning clause with bind variables and a descriptor blob.
*
*
*/
function _adodb_getinsertsql(&$zthis,&$rs,$arrFields,$magicq=false,$forcenulls=false)
{
$tableName = '';
$values = '';
$fields = '';
$recordSet = null;
$arrFields = _array_change_key_case($arrFields);
$fieldInsertedCount = 0;
if (is_string($rs)) {
//ok we have a table name
//try and get the column info ourself.
$tableName = $rs;
//we need an object for the recordSet
//because we have to call MetaType.
//php can't do a $rsclass::MetaType()
$rsclass = $zthis->rsPrefix.$zthis->databaseType;
$recordSet =& new $rsclass(-1,$zthis->fetchMode);
$recordSet->connection = &$zthis;
$columns = $zthis->MetaColumns( $tableName );
} else if (is_subclass_of($rs, 'adorecordset')) {
for ($i=0, $max=$rs->FieldCount(); $i < $max; $i++)
$columns[] = $rs->FetchField($i);
$recordSet =& $rs;
} else {
printf(ADODB_BAD_RS,'GetInsertSQL');
return false;
}
// Loop through all of the fields in the recordset
foreach( $columns as $field ) {
$upperfname = strtoupper($field->name);
if (adodb_key_exists($upperfname,$arrFields)) {
// Set the counter for the number of fields that will be inserted.
$fieldInsertedCount++;
if (strpos($upperfname,' ') !== false)
$fnameq = $zthis->nameQuote.$upperfname.$zthis->nameQuote;
else
$fnameq = $upperfname;
// Get the name of the fields to insert
$fields .= $fnameq . ", ";
$type = $recordSet->MetaType($field->type);
if (($forcenulls && is_null($arrFields[$upperfname])) ||
$arrFields[$upperfname] === 'null') {
$values .= "null, ";
} else {
//we do this so each driver can customize the sql for
//DB specific column types.
//Oracle needs BLOB types to be handled with a returning clause
//postgres has special needs as well
$values .= _adodb_column_sql($zthis, 'I', $type, $upperfname, $fnameq,
$arrFields, $magicq);
}
}
}
// If there were any inserted fields then build the rest of the insert query.
if ($fieldInsertedCount <= 0) return false;
// Get the table name from the existing query.
if (!$tableName) {
preg_match("/FROM\s+".ADODB_TABLE_REGEX."/is", $rs->sql, $tableName);
$tableName = $tableName[1];
}
// Strip off the comma and space on the end of both the fields
// and their values.
$fields = substr($fields, 0, -2);
$values = substr($values, 0, -2);
// Append the fields and their values to the insert query.
return 'INSERT INTO '.$tableName.' ( '.$fields.' ) VALUES ( '.$values.' )';
}
/**
* This private method is used to help construct
* the update/sql which is generated by GetInsertSQL and GetUpdateSQL.
* It handles the string construction of 1 column -> sql string based on
* the column type. We want to do 'safe' handling of BLOBs
*
* @param string the type of sql we are trying to create
* 'I' or 'U'.
* @param string column data type from the db::MetaType() method
* @param string the column name
* @param array the column value
*
* @return string
*
*/
function _adodb_column_sql_oci8(&$zthis,$action, $type, $fname, $fnameq, $arrFields, $magicq)
{
$sql = '';
// Based on the datatype of the field
// Format the value properly for the database
switch($type) {
case 'B':
//in order to handle Blobs correctly, we need
//to do some magic for Oracle
//we need to create a new descriptor to handle
//this properly
if (!empty($zthis->hasReturningInto)) {
if ($action == 'I') {
$sql = 'empty_blob(), ';
} else {
$sql = $fnameq. '=empty_blob(), ';
}
//add the variable to the returning clause array
//so the user can build this later in
//case they want to add more to it
$zthis->_returningArray[$fname] = ':xx'.$fname.'xx';
} else if (empty($arrFields[$fname])){
if ($action == 'I') {
$sql = 'empty_blob(), ';
} else {
$sql = $fnameq. '=empty_blob(), ';
}
} else {
//this is to maintain compatibility
//with older adodb versions.
$sql = _adodb_column_sql($zthis, $action, $type, $fname, $fnameq, $arrFields, $magicq,false);
}
break;
case "X":
//we need to do some more magic here for long variables
//to handle these correctly in oracle.
//create a safe bind var name
//to avoid conflicts w/ dupes.
if (!empty($zthis->hasReturningInto)) {
if ($action == 'I') {
$sql = ':xx'.$fname.'xx, ';
} else {
$sql = $fnameq.'=:xx'.$fname.'xx, ';
}
//add the variable to the returning clause array
//so the user can build this later in
//case they want to add more to it
$zthis->_returningArray[$fname] = ':xx'.$fname.'xx';
} else {
//this is to maintain compatibility
//with older adodb versions.
$sql = _adodb_column_sql($zthis, $action, $type, $fname, $fnameq, $arrFields, $magicq,false);
}
break;
default:
$sql = _adodb_column_sql($zthis, $action, $type, $fname, $fnameq, $arrFields, $magicq,false);
break;
}
return $sql;
}
function _adodb_column_sql(&$zthis, $action, $type, $fname, $fnameq, $arrFields, $magicq, $recurse=true)
{
if ($recurse) {
switch($zthis->dataProvider) {
case 'postgres':
if ($type == 'L') $type = 'C';
break;
case 'oci8':
return _adodb_column_sql_oci8($zthis, $action, $type, $fname, $fnameq, $arrFields, $magicq);
}
}
$sql = '';
switch($type) {
case "C":
case "X":
case 'B':
if ($action == 'I') {
$sql = $zthis->qstr($arrFields[$fname],$magicq) . ", ";
} else {
$sql .= $fnameq . "=" . $zthis->qstr($arrFields[$fname],$magicq) . ", ";
}
break;
case "D":
if ($action == 'I') {
$sql = $zthis->DBDate($arrFields[$fname]) . ", ";
} else {
$sql .= $fnameq . "=" . $zthis->DBDate($arrFields[$fname]) . ", ";
}
break;
case "T":
if ($action == 'I') {
$sql = $zthis->DBTimeStamp($arrFields[$fname]) . ", ";
} else {
$sql .= $fnameq . "=" . $zthis->DBTimeStamp($arrFields[$fname]) . ", ";
}
break;
default:
$val = $arrFields[$fname];
if (empty($val)) $val = '0';
if ($action == 'I') {
$sql .= $val . ", ";
} else {
$sql .= $fnameq . "=" . $val . ", ";
}
break;
}
return $sql;
}
?>