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Code Issues Releases Wiki Activity

- Oracle can't handle IN clauses with more than 1000 elements (Bug #12449)

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- Firebird can now work properly in PHP4


git-svn-id: file:///svn/phpbb/trunk@7767 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
David M
2007-06-16 13:49:49 +00:00
parent 27c082d99c
commit 367f5103d9
5 changed files with 69 additions and 36 deletions
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53
phpBB/includes/db/firebird.php
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@@ -27,6 +27,7 @@ class dbal_firebird extends dbal
{
var $last_query_text = '';
var $service_handle = false;
var $affected_rows = 0;
/**
* Connect to server
@@ -109,13 +110,11 @@ class dbal_firebird extends dbal
if ($this->query_result === false)
{
$prepared = false;
$array = array();
// We overcome Firebird's 32767 char limit by binding vars
if (strlen($query) > 32767)
{
$array = array();
if (preg_match('/^(INSERT INTO[^(]+)\\(([^()]+)\\) VALUES[^(]+\\((.*?)\\)$/s', $query, $regs))
if (preg_match('/^(INSERT INTO[^(]++)\\(([^()]+)\\) VALUES[^(]++\\((.*?)\\)$/s', $query, $regs))
{
if (strlen($regs[3]) > 32767)
{
@@ -134,45 +133,55 @@ class dbal_firebird extends dbal
}
$query = $regs[1] . '(' . $regs[2] . ') VALUES (' . implode(', ', $inserts) . ')';
unset($art);
$prepared = true;
}
}
else if (preg_match_all('/^(UPDATE ([\\w_]++)\\s+SET )(\\w+ = (?:\'(?:[^\']++|\'\')*+\'|\\d+)(?:, \\w+ = (?:\'(?:[^\']++|\'\')*+\'|\\d+))*+)\\s+(WHERE.*)$/s', $query, $data, PREG_SET_ORDER))
else if (preg_match('/^(UPDATE ([\\w_]++)\\s+SET )([\\w_]++\\s*=\\s*(?:\'(?:[^\']++|\'\')*+\'|\\d+)(?:,\\s*[\\w_]++\\s*=\\s*(?:\'(?:[^\']++|\'\')*+\'|\\d+))*+)\\s+(WHERE.*)$/s', $query, $data))
{
if (strlen($data[0][3]) > 32767)
if (strlen($data[3]) > 32767)
{
$update = $data[0][1];
$where = $data[0][4];
preg_match_all('/(\\w++) = (\'(?:[^\']++|\'\')*+\'|\\d++)/', $data[0][3], $temp, PREG_SET_ORDER);
$update = $data[1];
$where = $data[4];
preg_match_all('/(\\w++)\\s*=\\s*(\'(?:[^\']++|\'\')*+\'|\\d++)/', $data[3], $temp, PREG_SET_ORDER);
unset($data);
$art = array();
$cols = array();
foreach ($temp as $value)
{
if (!empty($value[2]) && $value[2][0] === "'" && strlen($value[2]) > 32769) // check to see if this thing is greater than the max + 'x2
{
$array[] = str_replace("''", "'", substr($value[2], 1, -1));
$art[] = $value[1] . '=?';
$cols[] = $value[1] . '=?';
}
else
{
$art[] = $value[1] . '=' . $value[2];
$cols[] = $value[1] . '=' . $value[2];
}
}
$query = $update . implode(', ', $art) . ' ' . $where;
unset($art);
$prepared = true;
$query = $update . implode(', ', $cols) . ' ' . $where;
unset($cols);
}
}
}
if ($prepared)
if (!function_exists('ibase_affected_rows') && (preg_match('/^UPDATE ([\w_]++)\s+SET [\w_]++\s*=\s*(?:\'(?:[^\']++|\'\')*+\'|\d+)(?:,\s*[\w_]++\s*=\s*(?:\'(?:[^\']++|\'\')*+\'|\d+))*+\s+(WHERE.*)$/s', $query, $regs) || preg_match('/^DELETE FROM ([\w_]++)\s*WHERE\s*(.*)$/s', $query, $regs)))
{
$p_query = ibase_prepare($this->db_connect_id, $query);
$affected_sql = 'SELECT COUNT(*) as num_rows_affected FROM ' . $regs[1] . ' ' . $regs[2];
if (!($temp_q_id = @ibase_query($this->db_connect_id, $affected_sql)))
{
return false;
}
$temp_result = @ibase_fetch_assoc($temp_q_id);
@ibase_free_result($temp_q_id);
$this->affected_rows = ($temp_result) ? $temp_result['NUM_ROWS_AFFECTED'] : false;
}
if (sizeof($array))
{
$p_query = @ibase_prepare($this->db_connect_id, $query);
array_unshift($array, $p_query);
$this->query_result = call_user_func_array('ibase_execute', $array);
unset($array);
@@ -252,7 +261,7 @@ class dbal_firebird extends dbal
}
else
{
return ($this->query_result) ? true : false;
return $this->affected_rows;
}
}