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#7550

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- this sucker required a cleverish regex, there should be no further problems. it is also optimized :D


git-svn-id: file:///svn/phpbb/trunk@6959 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
David M 2007-02-03 00:44:58 +00:00
parent 6e4f7aee05
commit fa075585e3
1 changed files with 27 additions and 21 deletions
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64
phpBB/includes/db/oracle.php
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@ -113,41 +113,47 @@ class dbal_oracle extends dbal
$array = array(); $array = array();
// We overcome Oracle's 4000 char limit by binding vars // We overcome Oracle's 4000 char limit by binding vars
if (preg_match('/^(INSERT INTO[^(]+)\\(([^()]+)\\) VALUES[^(]+\\(([^()]+)\\)$/', $query, $regs)) if (preg_match('/^(INSERT INTO[^(]+)\\(([^()]+)\\) VALUES[^(]+\\((.*?)\\)$/', $query, $regs))
{ {
if (strlen($regs[3]) > 4000) if (strlen($regs[3]) > 4000)
{ {
$cols = explode(', ', $regs[2]); $cols = explode(', ', $regs[2]);
$vals = explode(', ', $regs[3]); preg_match_all('/\'(?:[^\']++|\'\')*+\'|\\d+/', $regs[3], $vals, PREG_PATTERN_ORDER);
foreach ($vals as $key => $value)
{
if (strlen($value) > 4002) // check to see if this thing is greater than the max + 'x2
{
$vals[$key] = ':' . strtoupper($cols[$key]);
$array[$vals[$key]] = substr($value, 1, -1);
}
}
$query = $regs[1] . '(' . implode(', ', $cols) . ') VALUES (' . implode(', ', $vals) . ')';
}
}
else if (preg_match('/^(UPDATE.*?)SET (.*)(\\sWHERE.*)$/s', $query, $regs))
{
if (strlen($regs[2]) > 4000)
{
$args = explode(', ', $regs[2]);
$cols = array();
foreach ($args as $value)
{
$temp_array = explode('=', $value);
$cols[$temp_array[0]] = $temp_array[1];
}
foreach ($cols as $col => $val) $inserts = $vals[0];
unset($vals);
foreach ($inserts as $key => $value)
{ {
if (strlen($val) > 4003) // check to see if this thing is greater than the max + 'x2 + a space if (!empty($value) && $value[0] === "'" && strlen($value) > 4002) // check to see if this thing is greater than the max + 'x2
{ {
$cols[$col] = ' :' . strtoupper(rtrim($col)); $inserts[$key] = ':' . strtoupper($cols[$key]);
$array[ltrim($cols[$col])] = substr(trim($val), 2, -1); $array[$inserts[$key]] = str_replace("''", "'", substr($value, 1, -1));
}
}
$query = $regs[1] . '(' . $regs[2] . ') VALUES (' . implode(', ', $inserts) . ')';
}
}
else if (preg_match_all('/^(UPDATE [\\w_]++\\s+SET )(\\w+ = (?:\'(?:[^\']++|\'\')*+\'|\\d+)(?:, \\w+ = (?:\'(?:[^\']++|\'\')*+\'|\\d+))*+)\\s+(WHERE.*)$/s', $query, $data, PREG_SET_ORDER))
{
if (strlen($data[0][2]) > 4000)
{
$update = $data[0][1];
$where = $data[0][3];
preg_match_all('/(\\w++) = (\'(?:[^\']++|\'\')*+\'|\\d++)/', $data[0][2], $temp, PREG_SET_ORDER);
unset($data);
$cols = array();
foreach ($temp as $value)
{
if (!empty($value[2]) && $value[2][0] === "'" && strlen($value[2]) > 4002) // check to see if this thing is greater than the max + 'x2 + a space
{
$cols[$value[1]] = ':' . strtoupper($value[1]);
$array[$cols[$value[1]]] = str_replace("''", "'", substr($value[2], 1, -1));
}
else
{
$cols[$value[1]] = $value[2];
} }
} }
@ -156,7 +162,7 @@ class dbal_oracle extends dbal
{ {
$art[] = $col . '=' . $val; $art[] = $col . '=' . $val;
} }
$query = $regs[1] . 'SET ' . implode(', ', $art) . $regs[3]; $query = $update . implode(', ', $art) . ' ' . $where;
} }
} }