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<?php
$drivers["oracle"] = "Oracle";
if (isset($_GET["oracle"])) {
$possible_drivers = array("OCI8", "PDO_OCI");
define("DRIVER", "oracle");
if (extension_loaded("oci8")) {
class Min_DB {
var $extension = "oci8", $_link, $_result, $server_info, $affected_rows, $error;
function _error($errno, $error) {
if (ini_bool("html_errors")) {
$error = html_entity_decode(strip_tags($error));
}
$error = ereg_replace('^[^:]*: ', '', $error);
$this->error = $error;
}
function connect($server, $username, $password) {
$this->_link = @oci_new_connect($username, $password, $server); //! AL32UTF8
if ($this->_link) {
$this->server_info = oci_server_version($this->_link);
return true;
}
$error = oci_error();
$this->error = $error["message"];
return false;
}
function quote($string) {
return "'" . str_replace("'", "''", $string) . "'";
}
function select_db($database) {
return true;
}
function query($query, $unbuffered = false) {
$result = oci_parse($this->_link, $query);
if (!$result) {
$error = oci_error($this->_link);
$this->error = $error["message"];
return false;
}
set_error_handler(array($this, '_error'));
$return = @oci_execute($result);
restore_error_handler();
if ($return) {
if (oci_num_fields($result)) {
return new Min_Result($result);
}
$this->affected_rows = oci_num_rows($result);
}
return $return;
}
function multi_query($query) {
return $this->_result = $this->query($query);
}
function store_result() {
return $this->_result;
}
function next_result() {
return false;
}
function result($query, $field = 1) {
$result = $this->query($query);
if (!is_object($result) || !oci_fetch($result->_result)) {
return false;
}
return oci_result($result->_result, $field);
}
}
class Min_Result {
var $_result, $_offset = 1, $num_rows;
function Min_Result($result) {
$this->_result = $result;
}
function _convert($row) {
foreach ((array) $row as $key => $val) {
if (is_a($val, 'OCI-Lob')) {
$row[$key] = $val->load();
}
}
return $row;
}
function fetch_assoc() {
return $this->_convert(oci_fetch_assoc($this->_result));
}
function fetch_row() {
return $this->_convert(oci_fetch_row($this->_result));
}
function fetch_field() {
$column = $this->_offset++;
$return = new stdClass;
$return->name = oci_field_name($this->_result, $column);
$return->orgname = $return->name;
$return->type = oci_field_type($this->_result, $column);
$return->charsetnr = (ereg("raw|blob|bfile", $return->type) ? 63 : 0); // 63 - binary
return $return;
}
function __destruct() {
oci_free_statement($this->_result);
}
}
} elseif (extension_loaded("pdo_oci")) {
class Min_DB extends Min_PDO {
var $extension = "PDO_OCI";
function connect($server, $username, $password) {
}
function select_db($database) {
}
}
}
function idf_escape($idf) {
return '"' . str_replace('"', '""', $idf) . '"';
}
function table($idf) {
return idf_escape($idf);
}
function connect() {
global $adminer;
$connection = new Min_DB;
$credentials = $adminer->credentials();
if ($connection->connect($credentials[0], $credentials[1], $credentials[2])) {
return $connection;
}
return $connection->error;
}
function get_databases() {
return get_vals("SELECT tablespace_name FROM user_tablespaces");
}
function limit($query, $where, $limit, $offset = 0, $separator = " ") {
return " $query$where" . (isset($limit) ? ($where ? " AND" : $separator . "WHERE") . ($offset ? " rownum > $offset AND" : "") . " rownum <= " . ($limit + $offset) : "");
}
function limit1($query, $where) {
return " $query$where";
}
function db_collation($db, $collations) {
global $connection;
return $connection->result("SELECT value FROM nls_database_parameters WHERE parameter = 'NLS_CHARACTERSET'"); //! respect $db
}
function engines() {
return array();
}
function logged_user() {
global $connection;
return $connection->result("SELECT USER FROM DUAL");
}
function tables_list() {
return get_key_vals("SELECT table_name, 'table' FROM all_tables WHERE tablespace_name = " . q(DB) . "
UNION SELECT view_name, 'view' FROM user_views"
); //! views don't have schema
}
function count_tables($databases) {
return array();
}
function table_status($name = "") {
$return = array();
$search = q($name);
foreach (get_rows('SELECT table_name "Name", \'table\' "Engine" FROM all_tables WHERE tablespace_name = ' . q(DB) . ($name != "" ? " AND table_name = $search" : "") . "
UNION SELECT view_name, 'view' FROM user_views" . ($name != "" ? " WHERE view_name = $search" : "")
) as $row) {
if ($name != "") {
return $row;
}
$return[$row["Name"]] = $row;
}
return $return;
}
function is_view($table_status) {
return $table_status["Engine"] == "view";
}
function fk_support($table_status) {
return true;
}
function fields($table) {
$return = array();
foreach (get_rows("SELECT * FROM all_tab_columns WHERE table_name = " . q($table) . " ORDER BY column_id") as $row) {
$type = $row["DATA_TYPE"];
$length = "$row[DATA_PRECISION],$row[DATA_SCALE]";
if ($length == ",") {
$length = $row["DATA_LENGTH"];
} //! int
$return[$row["COLUMN_NAME"]] = array(
"field" => $row["COLUMN_NAME"],
"full_type" => $type . ($length ? "($length)" : ""),
"type" => strtolower($type),
"length" => $length,
"default" => $row["DATA_DEFAULT"],
"null" => ($row["NULLABLE"] == "Y"),
//! "auto_increment" => false,
//! "collation" => $row["CHARACTER_SET_NAME"],
"privileges" => array("insert" => 1, "select" => 1, "update" => 1),
//! "comment" => $row["Comment"],
//! "primary" => ($row["Key"] == "PRI"),
);
}
return $return;
}
function indexes($table, $connection2 = null) {
return array(); //!
}
function view($name) {
$rows = get_rows('SELECT text "select" FROM user_views WHERE view_name = ' . q($name));
return reset($rows);
}
function collations() {
return array(); //!
}
function information_schema($db) {
return false;
}
function error() {
global $connection;
return h($connection->error); //! highlight sqltext from offset
}
function exact_value($val) {
return q($val);
}
function explain($connection, $query) {
$connection->query("EXPLAIN PLAN FOR $query");
return $connection->query("SELECT * FROM plan_table");
}
function alter_table($table, $name, $fields, $foreign, $comment, $engine, $collation, $auto_increment, $partitioning) {
$alter = $drop = array();
foreach ($fields as $field) {
$val = $field[1];
if ($val && $field[0] != "" && idf_escape($field[0]) != $val[0]) {
queries("ALTER TABLE " . table($table) . " RENAME COLUMN " . idf_escape($field[0]) . " TO $val[0]");
}
if ($val) {
$alter[] = ($table != "" ? ($field[0] != "" ? "MODIFY (" : "ADD (") : " ") . implode($val) . ($table != "" ? ")" : ""); //! error with name change only
} else {
$drop[] = idf_escape($field[0]);
}
}
if ($table == "") {
return queries("CREATE TABLE " . table($name) . " (\n" . implode(",\n", $alter) . "\n)");
}
return (!$alter || queries("ALTER TABLE " . table($table) . "\n" . implode("\n", $alter)))
&& (!$drop || queries("ALTER TABLE " . table($table) . " DROP (" . implode(", ", $drop) . ")"))
&& ($table == $name || queries("ALTER TABLE " . table($table) . " RENAME TO " . table($name)))
;
}
function foreign_keys($table) {
return array(); //!
}
function truncate_tables($tables) {
return apply_queries("TRUNCATE TABLE", $tables);
}
function drop_views($views) {
return apply_queries("DROP VIEW", $views);
}
function drop_tables($tables) {
return apply_queries("DROP TABLE", $tables);
}
function begin() {
return true; // automatic start
}
function insert_into($table, $set) {
return queries("INSERT INTO " . table($table) . " (" . implode(", ", array_keys($set)) . ")\nVALUES (" . implode(", ", $set) . ")"); //! no columns
}
function last_id() {
return 0; //!
}
function schemas() {
return array();
}
function get_schema() {
return "";
}
function set_schema($scheme) {
return true;
}
function show_variables() {
return get_key_vals('SELECT name, display_value FROM v$parameter');
}
function show_status() {
$rows = get_rows('SELECT * FROM v$instance');
return reset($rows);
}
function support($feature) {
return ereg("view|drop_col|variables|status", $feature); //!
}
$jush = "oracle";
$types = array();
$structured_types = array();
foreach (array(
lang('Numbers') => array("number" => 38, "binary_float" => 12, "binary_double" => 21),
lang('Date and time') => array("date" => 10, "timestamp" => 29, "interval year" => 12, "interval day" => 28), //! year(), day() to second()
lang('Strings') => array("char" => 2000, "varchar2" => 4000, "nchar" => 2000, "nvarchar2" => 4000, "clob" => 4294967295, "nclob" => 4294967295),
lang('Binary') => array("raw" => 2000, "long raw" => 2147483648, "blob" => 4294967295, "bfile" => 4294967296),
) as $key => $val) {
$types += $val;
$structured_types[$key] = array_keys($val);
}
$unsigned = array();
$operators = array("=", "<", ">", "<=", ">=", "!=", "LIKE", "LIKE %%", "IN", "IS NULL", "NOT LIKE", "NOT REGEXP", "NOT IN", "IS NOT NULL");
$functions = array("length", "lower", "round", "upper");
$grouping = array("avg", "count", "count distinct", "max", "min", "sum");
$edit_functions = array(
array( //! no parentheses
"date" => "current_date",
"timestamp" => "current_timestamp",
), array(
"number|float|double" => "+/-",
"date|timestamp" => "+ interval/- interval",
"char|clob" => "||",
)
);
}