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arrayfromquery optimizations: move double if from inside loop to outside + use directly mysqli calls to avoid function call overhead for every row retrieved from db

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git-svn-id: http://piwigo.org/svn/trunk@27336 68402e56-0260-453c-a942-63ccdbb3a9ee
This commit is contained in:
rvelices
2014-02-11 21:47:44 +00:00
parent 78621a3487
commit 2d9887993c
6 changed files with 192 additions and 131 deletions
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include/dblayer/functions_mysql.inc.php
+70
View File
@@ -760,4 +760,74 @@ function my_error($header, $die)
echo("</pre>");
}
/**
* Builds an data array from a SQL query.
* Depending on $key_name and $value_name it can return :
*
* - an array of arrays of all fields (key=null, value=null)
* array(
* array('id'=>1, 'name'=>'DSC8956', ...),
* array('id'=>2, 'name'=>'DSC8957', ...),
* ...
* )
*
* - an array of a single field (key=null, value='...')
* array('DSC8956', 'DSC8957', ...)
*
* - an associative array of array of all fields (key='...', value=null)
* array(
* 'DSC8956' => array('id'=>1, 'name'=>'DSC8956', ...),
* 'DSC8957' => array('id'=>2, 'name'=>'DSC8957', ...),
* ...
* )
*
* - an associative array of a single field (key='...', value='...')
* array(
* 'DSC8956' => 1,
* 'DSC8957' => 2,
* ...
* )
*
* @since 2.6
*
* @param string $query
* @param string $key_name
* @param string $value_name
* @return array
*/
function query2array($query, $key_name=null, $value_name=null)
{
$result = pwg_query($query);
$data = array();
if (isset($key_name))
{
if (isset($value_name))
{
while ($row = pwg_db_fetch_assoc($result))
$data[ $row[$key_name] ] = $row[$value_name];
}
else
{
while ($row = pwg_db_fetch_assoc($result))
$data[ $row[$key_name] ] = $row;
}
}
else
{
if (isset($value_name))
{
while ($row = pwg_db_fetch_assoc($result))
$data[] = $row[$value_name];
}
else
{
while ($row = pwg_db_fetch_assoc($result))
$data[] = $row;
}
}
return $data;
}
?>
include/dblayer/functions_mysqli.inc.php
+70
View File
@@ -799,4 +799,74 @@ function my_error($header, $die)
echo("</pre>");
}
/**
* Builds an data array from a SQL query.
* Depending on $key_name and $value_name it can return :
*
* - an array of arrays of all fields (key=null, value=null)
* array(
* array('id'=>1, 'name'=>'DSC8956', ...),
* array('id'=>2, 'name'=>'DSC8957', ...),
* ...
* )
*
* - an array of a single field (key=null, value='...')
* array('DSC8956', 'DSC8957', ...)
*
* - an associative array of array of all fields (key='...', value=null)
* array(
* 'DSC8956' => array('id'=>1, 'name'=>'DSC8956', ...),
* 'DSC8957' => array('id'=>2, 'name'=>'DSC8957', ...),
* ...
* )
*
* - an associative array of a single field (key='...', value='...')
* array(
* 'DSC8956' => 1,
* 'DSC8957' => 2,
* ...
* )
*
* @since 2.6
*
* @param string $query
* @param string $key_name
* @param string $value_name
* @return array
*/
function query2array($query, $key_name=null, $value_name=null)
{
$result = pwg_query($query);
$data = array();
if (isset($key_name))
{
if (isset($value_name))
{
while ($row = $result->fetch_assoc())
$data[ $row[$key_name] ] = $row[$value_name];
}
else
{
while ($row = $result->fetch_assoc())
$data[ $row[$key_name] ] = $row;
}
}
else
{
if (isset($value_name))
{
while ($row = $result->fetch_assoc())
$data[] = $row[$value_name];
}
else
{
while ($row = $result->fetch_assoc())
$data[] = $row;
}
}
return $data;
}
?>