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- some stupid bugs in restore
- centralized the method of getting tables


git-svn-id: file:///svn/phpbb/trunk@7015 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
David M
2007-02-19 19:35:52 +00:00
parent bf8bea4967
commit 59fdd2edca
4 changed files with 77 additions and 76 deletions

View File

@@ -182,6 +182,69 @@ function dbms_select($default = '', $only_20x_options = false)
return $dbms_options;
}
/**
* Get tables of a database
*/
function get_tables($db)
{
switch ($db->sql_layer)
{
case 'mysql':
case 'mysql4':
case 'mysqli':
$sql = 'SHOW TABLES';
$field = 'Tables_in_' . $db->dbname;
break;
case 'sqlite':
$sql = 'SELECT name
FROM sqlite_master
WHERE type = "table"';
$field = 'name';
break;
case 'mssql':
case 'mssql_odbc':
$sql = "SELECT name
FROM sysobjects
WHERE type='U'";
$field = 'name';
break;
case 'postgres':
$sql = 'SELECT relname
FROM pg_stat_user_tables';
$field = 'relname';
break;
case 'firebird':
$sql = 'SELECT rdb$relation_name
FROM rdb$relations
WHERE rdb$view_source is null
AND rdb$system_flag = 0';
$field = 'rdb$relation_name';
break;
case 'oracle':
$sql = 'SELECT table_name
FROM USER_TABLES';
$field = 'table_name';
break;
}
$result = $db->sql_query($sql);
$tables = array();
while ($row = $db->sql_fetchrow($result))
{
$tables[] = $row[$field];
}
$db->sql_freeresult($result);
return $tables;
}
/**
* Used to test whether we are able to connect to the database the user has specified
@@ -264,74 +327,20 @@ function connect_check_db($error_connect, &$error, $dbms, $table_prefix, $dbhost
}
else
{
switch ($dbms['DRIVER'])
// Likely matches for an existing phpBB installation
if (!$prefix_may_exist)
{
case 'mysql':
case 'mysqli':
$sql = 'SHOW TABLES';
$field = "Tables_in_{$dbname}";
break;
case 'sqlite':
$sql = 'SELECT name
FROM sqlite_master
WHERE type = "table"';
$field = 'name';
break;
case 'mssql':
case 'mssql_odbc':
$sql = "SELECT name
FROM sysobjects
WHERE type='U'";
$field = 'name';
break;
case 'postgres':
$sql = "SELECT relname
FROM pg_class
WHERE relkind = 'r'
AND relname NOT LIKE 'pg\_%'";
$field = 'relname';
break;
case 'firebird':
$sql = 'SELECT rdb$relation_name
FROM rdb$relations
WHERE rdb$view_source is null
AND rdb$system_flag = 0';
$field = 'rdb$relation_name';
break;
case 'oracle':
$sql = 'SELECT table_name
FROM USER_TABLES';
$field = 'table_name';
break;
}
$result = $db->sql_query($sql);
if ($row = $db->sql_fetchrow($result))
{
// Likely matches for an existing phpBB installation
$temp_prefix = strtolower($table_prefix);
$table_ary = array($temp_prefix . 'attachments', $temp_prefix . 'config', $temp_prefix . 'sessions', $temp_prefix . 'topics', $temp_prefix . 'users');
do
$tables = get_tables($db);
$table_intersect = array_intersect($tables, $table_ary);
if (sizeof($table_intersect))
{
// All phpBB installations will at least have config else it won't work
if (in_array(strtolower($row[$field]), $table_ary))
{
if (!$prefix_may_exist)
{
$error[] = $lang['INST_ERR_PREFIX'];
}
break;
}
$error[] = $lang['INST_ERR_PREFIX'];
}
while ($row = $db->sql_fetchrow($result));
}
$db->sql_freeresult($result);
// Make sure that the user has selected a sensible DBAL for the DBMS actually installed
switch ($dbms['DRIVER'])