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Feature 1559 : remove custom function (std) for sqlite

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git-svn-id: http://piwigo.org/svn/trunk@5503 68402e56-0260-453c-a942-63ccdbb3a9ee
This commit is contained in:
nikrou 2010-03-31 18:16:27 +00:00
commit c7905118b8
2 changed files with 0 additions and 58 deletions
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29
include/dblayer/functions_pdo-sqlite.inc.php
View file

@ -50,7 +50,6 @@ function pwg_db_connect($host, $user, $password, $database)
$link->sqliteCreateFunction('md5', 'md5', 1);
$link->sqliteCreateFunction('if', 'pwg_if', 3);
$link->sqliteCreateAggregate('std', 'pwg_std_step', 'pwg_std_finalize');
$link->sqliteCreateFunction('regexp', 'pwg_regexp', 2);
return $link;
@ -566,32 +565,4 @@ function pwg_regexp($pattern, $string)
$pattern = sprintf('`%s`', $pattern);
return preg_match($pattern, $string);
}
function pwg_std_step(&$values, $rownumber, $value)
{
$values[] = $value;
return $values;
}
function pwg_std_finalize(&$values, $rownumber)
{
if (count($values)<=1)
{
return 0;
}
$total = 0;
$total_square = 0;
foreach ($values as $value)
{
$total += $value;
$total_square += pow($value, 2);
}
$mean = $total/count($values);
$var = $total_square/count($values) - pow($mean, 2);
return sqrt($var);
}
?>

29
include/dblayer/functions_sqlite.inc.php
View file

@ -59,7 +59,6 @@ function pwg_db_connect($host, $user, $password, $database)
$link->createFunction('md5', 'md5', 1);
$link->createFunction('if', 'pwg_if', 3);
$link->createAggregate('std', 'pwg_std_step', 'pwg_std_finalize');
$link->createFunction('regexp', 'pwg_regexp', 2);
return $link;
@ -578,32 +577,4 @@ function pwg_regexp($pattern, $string)
$pattern = sprintf('`%s`', $pattern);
return preg_match($pattern, $string);
}
function pwg_std_step(&$values, $rownumber, $value)
{
$values[] = $value;
return $values;
}
function pwg_std_finalize(&$values, $rownumber)
{
if (count($values)<=1)
{
return 0;
}
$total = 0;
$total_square = 0;
foreach ($values as $value)
{
$total += $value;
$total_square += pow($value, 2);
}
$mean = $total/count($values);
$var = $total_square/count($values) - pow($mean, 2);
return sqrt($var);
}
?>