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Merge branch 'develop-olympus' into develop

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* develop-olympus:
  [ticket/10858] Move generic row seeking to DBAL
  [ticket/10858] Tests for row seeking with fetchfield()
  [ticket/10858] Fix MSSQL Native's row seeking behavior

Conflicts:
	tests/dbal/select_test.php
This commit is contained in:
Andreas Fischer
2012-05-09 12:55:58 +02:00
parent 30579ecb09 12dbcc7f1e
commit 1a9b30b871
5 changed files with 70 additions and 105 deletions
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43
phpBB/includes/db/dbal.php
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@@ -193,6 +193,49 @@ class dbal
return false;
}
/**
* Seek to given row number
* rownum is zero-based
*/
function sql_rowseek($rownum, &$query_id)
{
global $cache;
if ($query_id === false)
{
$query_id = $this->query_result;
}
if (isset($cache->sql_rowset[$query_id]))
{
return $cache->sql_rowseek($rownum, $query_id);
}
if ($query_id === false)
{
return false;
}
$this->sql_freeresult($query_id);
$query_id = $this->sql_query($this->last_query_text);
if ($query_id === false)
{
return false;
}
// We do not fetch the row for rownum == 0 because then the next resultset would be the second row
for ($i = 0; $i < $rownum; $i++)
{
if (!$this->sql_fetchrow($query_id))
{
return false;
}
}
return true;
}
/**
* Fetch field
* if rownum is false, the current row is used, else it is pointing to the row (zero-based)