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