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some compatibility stuff for ADOdb<->PDO

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This commit is contained in:
Ralf Becker 2008-03-09 14:22:02 +00:00
parent 641475d08b
commit 97f63b43ff
2 changed files with 70 additions and 18 deletions
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40
phpgwapi/inc/adodb/adodb.inc.php
View File

@ -2346,7 +2346,7 @@
/**
* Will select the supplied $page number from a recordset, given that it is paginated in pages of
* $nrows rows per page. It also saves two boolean values saying if the given page is the first
* and/or last one of the recordset. Added by Iván Oliva to provide recordset pagination.
* and/or last one of the recordset. Added by Iv<EFBFBD>n Oliva to provide recordset pagination.
*
* See readme.htm#ex8 for an example of usage.
*
@ -2373,7 +2373,7 @@
/**
* Will select the supplied $page number from a recordset, given that it is paginated in pages of
* $nrows rows per page. It also saves two boolean values saying if the given page is the first
* and/or last one of the recordset. Added by Iván Oliva to provide recordset pagination.
* and/or last one of the recordset. Added by Iv<EFBFBD>n Oliva to provide recordset pagination.
*
* @param secs2cache seconds to cache data, set to 0 to force query
* @param sql
@ -2481,9 +2481,9 @@
var $_obj; /** Used by FetchObj */
var $_names; /** Used by FetchObj */
var $_currentPage = -1; /** Added by Iván Oliva to implement recordset pagination */
var $_atFirstPage = false; /** Added by Iván Oliva to implement recordset pagination */
var $_atLastPage = false; /** Added by Iván Oliva to implement recordset pagination */
var $_currentPage = -1; /** Added by Iv<EFBFBD>n Oliva to implement recordset pagination */
var $_atFirstPage = false; /** Added by Iv<EFBFBD>n Oliva to implement recordset pagination */
var $_atLastPage = false; /** Added by Iv<EFBFBD>n Oliva to implement recordset pagination */
var $_lastPageNo = -1;
var $_maxRecordCount = 0;
var $datetime = false;
@ -3405,6 +3405,36 @@
return $this->_atLastPage;
}
/**
* PDO compatibility function: fetch the next row
*
* @return string
*/
function &fetch($fetchmode=null)
{
if (!is_null($fetchmode))
{
$save = $this->fetchMode;
$this->fetchMode = $fetchmode;
}
$row =& $this->FetchRow();
if (!is_null($fetchmode))
{
$this->fetchMode = $save;
}
return $row;
}
/**
* PDO compatibility function: fetch the first column of the next row
*
* @return string
*/
function fetchSingle()
{
$row = $this->FetchRow();
return array_shift($row);
}
} // end class ADORecordSet
//==============================================================================================

48
phpgwapi/inc/class.egw_db.inc.php
View File

@ -14,7 +14,7 @@
/**
* Database abstraction library
*
* This allows eGroupWare to use multiple database backends via ADOdb
* This allows eGroupWare to use multiple database backends via ADOdb or in future with PDO
*
* You only need to clone the global database object $GLOBALS['egw']->db if:
* - you use the old methods f(), next_record(), row(), num_fields(), num_rows()
@ -29,6 +29,12 @@
* b) foreach($db->select($api_table,'*',$where,__LINE__,__FILE__) as $row)
*
* c) foreach($db->select($table,'*',$where,__LINE__,__FILE__,false,'',$app) as $row)
*
* To fetch only single column (of the next row):
* $cnt = $db->query("SELECT COUNT(*) FROM ...")->fetchSingle();
*
* To fetch a next (single) row, you can use:
* $row = $db->query("SELECT COUNT(*) FROM ...")->fetch($fetchmod=null);
*/
// some constanst for pre php4.3
@ -48,6 +54,20 @@ include_once(EGW_API_INC.'/adodb/adodb.inc.php');
class egw_db
{
/**
* Fetchmode to fetch only as associative array with $colname => $value pairs
*
* Use the FETCH_* constants to be compatible, if we replace ADOdb ...
*/
const FETCH_ASSOC = ADODB_FETCH_ASSOC;
/**
* Fetchmode to fetch only as (numeric indexed) array: array($val1,$val2,...)
*/
const FETCH_NUM = ADODB_FETCH_NUM;
/**
* Fetchmode to have both numeric and column-name indexes
*/
const FETCH_BOTH = ADODB_FETCH_BOTH;
/**
* @var string $type translated database type: mysqlt+mysqli ==> mysql, same for odbc-types
*/
@ -498,10 +518,10 @@ class egw_db
* @param int $offset row to start from, default 0
* @param int $num_rows number of rows to return (optional), default -1 = all, 0 will use $GLOBALS['egw_info']['user']['preferences']['common']['maxmatchs']
* @param array/boolean $inputarr array for binding variables to parameters or false (default)
* @param int $fetchmode=ADODB_FETCH_BOTH ADODB_FETCH_BOTH (default), ADODB_FETCH_ASSOC or ADODB_FETCH_NUM
* @param int $fetchmode=egw_db::FETCH_BOTH egw_db::FETCH_BOTH (default), egw_db::FETCH_ASSOC or egw_db::FETCH_NUM
* @return ADORecordSet or false, if the query fails
*/
function query($Query_String, $line = '', $file = '', $offset=0, $num_rows=-1,$inputarr=false,$fetchmode=ADODB_FETCH_BOTH)
function query($Query_String, $line = '', $file = '', $offset=0, $num_rows=-1,$inputarr=false,$fetchmode=egw_db::FETCH_BOTH)
{
if ($Query_String == '')
{
@ -578,10 +598,10 @@ class egw_db
* Specifying a fetch_mode only works for newly fetched rows, the first row always gets fetched by query!!!
*
* @deprecated use foreach(query() or foreach(select() to loop over the query using the global db object
* @param int $fetch_mode ADODB_FETCH_BOTH = numerical+assoc keys (eGW default), ADODB_FETCH_ASSOC or ADODB_FETCH_NUM
* @param int $fetch_mode egw_db::FETCH_BOTH = numerical+assoc keys (eGW default), egw_db::FETCH_ASSOC or egw_db::FETCH_NUM
* @return bool was another row found?
*/
function next_record($fetch_mode=ADODB_FETCH_BOTH)
function next_record($fetch_mode=egw_db::FETCH_BOTH)
{
if (!$this->Query_ID)
{
@ -604,10 +624,10 @@ class egw_db
{
switch($fetch_mode)
{
case ADODB_FETCH_ASSOC:
case egw_db::FETCH_ASSOC:
$this->Record = array_change_key_case($this->Record);
break;
case ADODB_FETCH_NUM:
case egw_db::FETCH_NUM:
$this->Record = array_values($this->Record);
break;
default:
@ -755,7 +775,7 @@ class egw_db
/**
* Number of rows in current result set
*
* @deprecated use the result-object returned by query() or select() direct, so you can use the global db-object and not a clone
* @deprecated use the result-object returned by query/select()->NumRows(), so you can use the global db-object and not a clone
* @return int number of rows
*/
function num_rows()
@ -793,6 +813,7 @@ class egw_db
/**
* Return the value of a column
*
* @deprecated use the result-object returned by query() or select() direct, so you can use the global db-object and not a clone
* @param string/integer $Name name of field or positional index starting from 0
* @param bool $strip_slashes string escape chars from field(optional), default false
* depricated param, as correctly quoted values dont need any stripslashes!
@ -829,7 +850,7 @@ class egw_db
*/
function row($do_next_record=False,$strip='')
{
if ($do_next_record && !$this->next_record(ADODB_FETCH_ASSOC) || !is_array($this->Record))
if ($do_next_record && !$this->next_record(egw_db::FETCH_ASSOC) || !is_array($this->Record))
{
return False;
}
@ -1699,10 +1720,10 @@ class egw_db
* @param string $join=null sql to do a join, added as is after the table-name, eg. ", table2 WHERE x=y" or
* "LEFT JOIN table2 ON (x=y)", Note: there's no quoting done on $join!
* @param array/bool $table_def use this table definition. If False, the table definition will be read from tables_baseline
* @param int $fetchmode=ADODB_FETCH_ASSOC ADODB_FETCH_BOTH (default), ADODB_FETCH_ASSOC or ADODB_FETCH_NUM
* @param int $fetchmode=egw_db::FETCH_ASSOC egw_db::FETCH_BOTH (default), egw_db::FETCH_ASSOC or egw_db::FETCH_NUM
* @return ADORecordSet or false, if the query fails
*/
function select($table,$cols,$where,$line,$file,$offset=False,$append='',$app=False,$num_rows=0,$join='',$table_def=False,$fetchmode=ADODB_FETCH_ASSOC)
function select($table,$cols,$where,$line,$file,$offset=False,$append='',$app=False,$num_rows=0,$join='',$table_def=False,$fetchmode=egw_db::FETCH_ASSOC)
{
if ($this->Debug) echo "<p>db::select('$table',".print_r($cols,True).",".print_r($where,True).",$line,$file,$offset,'$app',$num_rows,'$join')</p>\n";
@ -1743,9 +1764,10 @@ class egw_db
* @param string $order_by ORDER BY statement for the union
* @param int/bool $offset offset for a limited query or False (default)
* @param int $num_rows number of rows to return if offset set, default 0 = use default in user prefs
* @param int $fetchmode=egw_db::FETCH_ASSOC egw_db::FETCH_BOTH (default), egw_db::FETCH_ASSOC or egw_db::FETCH_NUM
* @return ADORecordSet or false, if the query fails
*/
function union($selects,$line,$file,$order_by='',$offset=false,$num_rows=0)
function union($selects,$line,$file,$order_by='',$offset=false,$num_rows=0,$fetchmode=egw_db::FETCH_ASSOC)
{
if ($this->Debug) echo "<p>db::union(".print_r($selects,True).",$line,$file,$order_by,$offset,$num_rows)</p>\n";
@ -1772,7 +1794,7 @@ class egw_db
if ($this->Debug) echo "<p>sql='$sql'</p>";
return $this->query($sql,$line,$file,$offset,$offset===False ? -1 : (int)$num_rows,false,ADODB_FETCH_ASSOC);
return $this->query($sql,$line,$file,$offset,$offset===False ? -1 : (int)$num_rows,false,$fetchmode);
}
/**