Basic Oracle support

adminer/drivers/oracle.inc.php

@@ -0,0 +1,334 @@
+<?php
+$possible_drivers[] = "OCI8";
+$possible_drivers[] = "PDO_OCI";
+if (extension_loaded("oci8") || extension_loaded("pdo_oci")) {
+	$drivers["oracle"] = "Oracle";
+}
+
+if (isset($_GET["oracle"])) {
+	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;
+				$this->num_rows = -1; // all results unbuffered
+			}
+
+			function fetch_assoc() {
+				return oci_fetch_assoc($this->_result);
+			}
+
+			function fetch_row() {
+				return 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) {
+		//!
+	}
+
+	function engines() {
+		return array();
+	}
+
+	function logged_user() {
+		global $connection;
+		return $connection->result("SELECT USER FROM DUAL");
+	}
+
+	function tables_list() {
+		global $connection;
+		return get_key_vals("SELECT table_name FROM all_tables WHERE tablespace_name = " . $connection->quote(DB)); //! views
+	}
+
+	function count_tables($databases) {
+		return array();
+	}
+
+	function table_status($name = "") {
+		global $connection;
+		$return = array();
+		$result = $connection->query('SELECT table_name "Name" FROM all_tables' . ($name != "" ? ' WHERE table_name = ' . $connection->quote($name) : ''));
+		while ($row = $result->fetch_assoc()) {
+			if ($name != "") {
+				return $row;
+			}
+			$return[$row["Name"]] = $row;
+		}
+		return $return;
+	}
+
+	function fk_support($table_status) {
+		return true;
+	}
+
+	function fields($table) {
+		global $connection;
+		$return = array();
+		$result = $connection->query("SELECT * FROM all_tab_columns WHERE table_name = " . $connection->quote($table) . " ORDER BY column_id");
+		if ($result) {
+			while ($row = $result->fetch_assoc()) {
+				$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" => $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, $connection2 = null) {
+		return array(); //!
+	}
+
+	function collations() {
+		return array(); //!
+	}
+
+	function information_schema($db) {
+		return false;
+	}
+
+	function error() {
+		global $connection;
+		return h($connection->error); //! highlight sqltext from offset
+	}
+
+	function exact_value($val) {
+		global $connection;
+		return $connection->quote($val);
+	}
+
+	function explain($connection, $query) {
+		//!
+	}
+
+	function foreign_keys($table) {
+		return array(); //!
+	}
+
+	function truncate_tables($tables) {
+		foreach ($tables as $table) {
+			if (!queries("TRUNCATE TABLE " . table($table))) {
+				return false;
+			}
+		}
+		return true;
+	}
+
+	function drop_views($views) {
+		foreach ($views as $table) {
+			if (!queries("DROP VIEW " . table($table))) {
+				return false;
+			}
+		}
+		return true;
+	}
+
+	function drop_tables($tables) {
+		foreach ($tables as $table) {
+			if (!queries("DROP TABLE " . table($table))) {
+				return false;
+			}
+		}
+		return true;
+	}
+
+	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 support($feature) {
+		return false; //!
+	}
+
+	$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 to month" => 12, "interval day to second" => 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" => "||",
+		)
+	);
+}

adminer/drivers/pgsql.inc.php

@@ -233,7 +233,6 @@ function fields($table) {
 					"default" => $row["column_default"],
 					"null" => ($row["is_nullable"] == "YES"),
 					"auto_increment" => eregi("^nextval\\(", $row["column_default"]),
-					"on_update" => "", //!
 					"collation" => $row["collation_name"],
 					"privileges" => array("insert" => 1, "select" => 1, "update" => 1), //! is_updatable
 					"primary" => false, //!

adminer/include/bootstrap.inc.php

@@ -62,6 +62,7 @@
 include "../adminer/include/pdo.inc.php";
 include "../adminer/drivers/sqlite.inc.php";
 include "../adminer/drivers/pgsql.inc.php";
+include "../adminer/drivers/oracle.inc.php";
 include "../adminer/drivers/mssql.inc.php";
 include "../adminer/drivers/mysql.inc.php"; // must be included as last driver
 

changes.txt

@@ -1,5 +1,5 @@
 Adminer 3.0.0-dev:
-Drivers for MS SQL, SQLite, PostgreSQL
+Drivers for MS SQL, SQLite, PostgreSQL, Oracle
 Allow concurrent logins on the same server
 Allow permanent login without customization
 In-place editation in select