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[ticket/12012] Fix tools::mssql_get_existing_indexes() for SQL Server 2000

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PHPBB3-12012
This commit is contained in:
Joas Schilling 2014-04-12 12:42:32 +02:00
parent 9036cdaaa2
commit e2784d01ce
1 changed files with 36 additions and 14 deletions
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50
phpBB/phpbb/db/tools.php
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@ -2568,28 +2568,50 @@ class tools
$mssql_server_properties = $this->db->sql_fetchrow($result);
$this->db->sql_freeresult($result);
// Remove default constraints
if ($mssql_server_properties['mssql_version'][0] == '8') // SQL Server 2000
{
// http://msdn.microsoft.com/en-us/library/aa175912%28v=sql.80%29.aspx
// Deprecated in SQL Server 2005
/**
* @todo Fix for SQL Server 2000
$sql = "SELECT so.name AS def_name
FROM sysobjects so
JOIN sysconstraints sc ON so.id = sc.constid
WHERE object_name(so.parent_obj) = '{$table_name}'
AND so.xtype = 'D'
AND sc.colid = (SELECT colid FROM syscolumns
WHERE id = object_id('{$table_name}')
AND name = '{$column_name}')";
$sql = "SELECT DISTINCT ix.name AS phpbb_index_name
FROM sysindexes ix
INNER JOIN sysindexkeys ixc
ON ixc.id = ix.id
AND ixc.indid = ix.indid
INNER JOIN syscolumns cols
ON cols.colid = ixc.colid
AND cols.id = ix.id
WHERE ix.id = object_id('{$table_name}')
AND cols.name = '{$column_name}'";
$result = $this->db->sql_query($sql);
$existing_indexes = array();
while ($row = $this->db->sql_fetchrow($result))
{
$statements[] = 'ALTER TABLE [' . $table_name . '] DROP CONSTRAINT [' . $row['def_name'] . ']';
$existing_indexes[$row['phpbb_index_name']] = array();
}
$this->db->sql_freeresult($result);
if (empty($existing_indexes))
{
return array();
}
$sql = "SELECT DISTINCT ix.name AS phpbb_index_name, cols.name AS phpbb_column_name
FROM sysindexes ix
INNER JOIN sysindexkeys ixc
ON ixc.id = ix.id
AND ixc.indid = ix.indid
INNER JOIN syscolumns cols
ON cols.colid = ixc.colid
AND cols.id = ix.id
WHERE ix.id = object_id('{$table_name}')
AND " . $this->db->sql_in_set('ix.name', array_keys($existing_indexes));
$result = $this->db->sql_query($sql);
while ($row = $this->db->sql_fetchrow($result))
{
$existing_indexes[$row['phpbb_index_name']][] = $row['phpbb_column_name'];
}
$this->db->sql_freeresult($result);
*/
}
else
{
@ -2600,7 +2622,7 @@ class tools
AND ixc.index_id = ix.index_id
INNER JOIN sys.columns cols
ON cols.column_id = ixc.column_id
AND cols.object_id = ix.object_id
AND cols.object_id = ix.object_id
WHERE ix.object_id = object_id('{$table_name}')
AND cols.name = '{$column_name}'";
$result = $this->db->sql_query($sql);