680 lines
21 KiB
PHP
680 lines
21 KiB
PHP
<?php
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/**
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* @author Jakub Cernohuby
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* @author Vladimir Stastka
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* @author Jakub Vrana
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*/
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$drivers["mssql"] = "MS SQL (beta)";
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if (isset($_GET["mssql"])) {
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define("DRIVER", "mssql");
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if (extension_loaded("sqlsrv")) {
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class Min_DB {
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var $extension = "sqlsrv", $_link, $_result, $server_info, $affected_rows, $errno, $error;
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function _get_error() {
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$this->error = "";
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foreach (sqlsrv_errors() as $error) {
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$this->errno = $error["code"];
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$this->error .= "$error[message]\n";
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}
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$this->error = rtrim($this->error);
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}
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function connect($server, $username, $password) {
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global $adminer;
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$db = $adminer->database();
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$connection_info = array("UID" => $username, "PWD" => $password, "CharacterSet" => "UTF-8");
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if ($db != "") {
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$connection_info["Database"] = $db;
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}
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$this->_link = @sqlsrv_connect(preg_replace('~:~', ',', $server), $connection_info);
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if ($this->_link) {
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$info = sqlsrv_server_info($this->_link);
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$this->server_info = $info['SQLServerVersion'];
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} else {
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$this->_get_error();
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}
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return (bool) $this->_link;
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}
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function quote($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 $this->query("USE " . idf_escape($database));
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}
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function query($query, $unbuffered = false) {
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$result = sqlsrv_query($this->_link, $query); //! , array(), ($unbuffered ? array() : array("Scrollable" => "keyset"))
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$this->error = "";
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if (!$result) {
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$this->_get_error();
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return false;
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}
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return $this->store_result($result);
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}
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function multi_query($query) {
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$this->_result = sqlsrv_query($this->_link, $query);
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$this->error = "";
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if (!$this->_result) {
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$this->_get_error();
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return false;
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}
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return true;
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}
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function store_result($result = null) {
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if (!$result) {
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$result = $this->_result;
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}
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if (!$result) {
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return false;
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}
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if (sqlsrv_field_metadata($result)) {
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return new Min_Result($result);
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}
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$this->affected_rows = sqlsrv_rows_affected($result);
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return true;
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}
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function next_result() {
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return $this->_result ? sqlsrv_next_result($this->_result) : null;
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}
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function result($query, $field = 0) {
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$result = $this->query($query);
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if (!is_object($result)) {
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return false;
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}
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$row = $result->fetch_row();
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return $row[$field];
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}
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}
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class Min_Result {
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var $_result, $_offset = 0, $_fields, $num_rows;
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function __construct($result) {
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$this->_result = $result;
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// $this->num_rows = sqlsrv_num_rows($result); // available only in scrollable results
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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, 'DateTime')) {
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$row[$key] = $val->format("Y-m-d H:i:s");
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}
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//! stream
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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 $this->_convert(sqlsrv_fetch_array($this->_result, SQLSRV_FETCH_ASSOC));
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}
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function fetch_row() {
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return $this->_convert(sqlsrv_fetch_array($this->_result, SQLSRV_FETCH_NUMERIC));
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}
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function fetch_field() {
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if (!$this->_fields) {
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$this->_fields = sqlsrv_field_metadata($this->_result);
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}
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$field = $this->_fields[$this->_offset++];
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$return = new stdClass;
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$return->name = $field["Name"];
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$return->orgname = $field["Name"];
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$return->type = ($field["Type"] == 1 ? 254 : 0);
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return $return;
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}
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function seek($offset) {
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for ($i=0; $i < $offset; $i++) {
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sqlsrv_fetch($this->_result); // SQLSRV_SCROLL_ABSOLUTE added in sqlsrv 1.1
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}
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}
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function __destruct() {
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sqlsrv_free_stmt($this->_result);
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}
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}
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} elseif (extension_loaded("mssql")) {
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class Min_DB {
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var $extension = "MSSQL", $_link, $_result, $server_info, $affected_rows, $error;
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function connect($server, $username, $password) {
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$this->_link = @mssql_connect($server, $username, $password);
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if ($this->_link) {
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$result = $this->query("SELECT SERVERPROPERTY('ProductLevel'), SERVERPROPERTY('Edition')");
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if ($result) {
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$row = $result->fetch_row();
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$this->server_info = $this->result("sp_server_info 2", 2) . " [$row[0]] $row[1]";
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}
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} else {
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$this->error = mssql_get_last_message();
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}
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return (bool) $this->_link;
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}
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function quote($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 mssql_select_db($database);
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}
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function query($query, $unbuffered = false) {
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$result = @mssql_query($query, $this->_link); //! $unbuffered
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$this->error = "";
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if (!$result) {
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$this->error = mssql_get_last_message();
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return false;
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}
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if ($result === true) {
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$this->affected_rows = mssql_rows_affected($this->_link);
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return true;
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}
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return new Min_Result($result);
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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 $this->_result;
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}
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function next_result() {
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return mssql_next_result($this->_result->_result);
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}
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function result($query, $field = 0) {
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$result = $this->query($query);
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if (!is_object($result)) {
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return false;
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}
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return mssql_result($result->_result, 0, $field);
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}
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}
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class Min_Result {
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var $_result, $_offset = 0, $_fields, $num_rows;
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function __construct($result) {
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$this->_result = $result;
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$this->num_rows = mssql_num_rows($result);
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}
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function fetch_assoc() {
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return mssql_fetch_assoc($this->_result);
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}
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function fetch_row() {
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return mssql_fetch_row($this->_result);
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}
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function num_rows() {
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return mssql_num_rows($this->_result);
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}
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function fetch_field() {
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$return = mssql_fetch_field($this->_result);
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$return->orgtable = $return->table;
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$return->orgname = $return->name;
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return $return;
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}
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function seek($offset) {
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mssql_data_seek($this->_result, $offset);
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}
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function __destruct() {
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mssql_free_result($this->_result);
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}
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}
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} elseif (extension_loaded("pdo_dblib")) {
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class Min_DB extends Min_PDO {
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var $extension = "PDO_DBLIB";
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function connect($server, $username, $password) {
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$this->dsn("dblib:charset=utf8;host=" . str_replace(":", ";unix_socket=", preg_replace('~:(\d)~', ';port=\1', $server)), $username, $password);
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return true;
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}
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function select_db($database) {
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// database selection is separated from the connection so dbname in DSN can't be used
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return $this->query("USE " . idf_escape($database));
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}
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}
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}
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class Min_Driver extends Min_SQL {
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function insertUpdate($table, $rows, $primary) {
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foreach ($rows as $set) {
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$update = array();
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$where = array();
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foreach ($set as $key => $val) {
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$update[] = "$key = $val";
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if (isset($primary[idf_unescape($key)])) {
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$where[] = "$key = $val";
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}
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}
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//! can use only one query for all rows
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if (!queries("MERGE " . table($table) . " USING (VALUES(" . implode(", ", $set) . ")) AS source (c" . implode(", c", range(1, count($set))) . ") ON " . implode(" AND ", $where) //! source, c1 - possible conflict
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. " WHEN MATCHED THEN UPDATE SET " . implode(", ", $update)
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. " WHEN NOT MATCHED THEN INSERT (" . implode(", ", array_keys($set)) . ") VALUES (" . implode(", ", $set) . ");" // ; is mandatory
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)) {
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return false;
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}
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}
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return true;
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}
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function begin() {
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return queries("BEGIN TRANSACTION");
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}
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}
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function idf_escape($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 ($_GET["ns"] != "" ? idf_escape($_GET["ns"]) . "." : "") . 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 $connection->error;
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}
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function get_databases() {
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return get_vals("SELECT name FROM sys.databases WHERE name NOT IN ('master', 'tempdb', 'model', 'msdb')");
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}
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function limit($query, $where, $limit, $offset = 0, $separator = " ") {
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return ($limit !== null ? " TOP (" . ($limit + $offset) . ")" : "") . " $query$where"; // seek later
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}
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function limit1($table, $query, $where, $separator = "\n") {
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return limit($query, $where, 1, 0, $separator);
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}
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function db_collation($db, $collations) {
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global $connection;
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return $connection->result("SELECT collation_name FROM sys.databases WHERE name = " . q($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 $connection->result("SELECT SUSER_NAME()");
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}
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function tables_list() {
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return get_key_vals("SELECT name, type_desc FROM sys.all_objects WHERE schema_id = SCHEMA_ID(" . q(get_schema()) . ") AND type IN ('S', 'U', 'V') ORDER BY name");
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}
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function count_tables($databases) {
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global $connection;
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$return = array();
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foreach ($databases as $db) {
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$connection->select_db($db);
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$return[$db] = $connection->result("SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLES");
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}
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return $return;
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}
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function table_status($name = "") {
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$return = array();
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foreach (get_rows("SELECT ao.name AS Name, ao.type_desc AS Engine, (SELECT value FROM fn_listextendedproperty(default, 'SCHEMA', schema_name(schema_id), 'TABLE', ao.name, null, null)) AS Comment FROM sys.all_objects AS ao WHERE schema_id = SCHEMA_ID(" . q(get_schema()) . ") AND type IN ('S', 'U', 'V') " . ($name != "" ? "AND name = " . q($name) : "ORDER BY name")) as $row) {
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if ($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($table) {
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$comments = get_key_vals("SELECT objname, cast(value as varchar(max)) FROM fn_listextendedproperty('MS_DESCRIPTION', 'schema', " . q(get_schema()) . ", 'table', " . q($table) . ", 'column', NULL)");
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$return = array();
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foreach (get_rows("SELECT c.max_length, c.precision, c.scale, c.name, c.is_nullable, c.is_identity, c.collation_name, t.name type, CAST(d.definition as text) [default]
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FROM sys.all_columns c
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JOIN sys.all_objects o ON c.object_id = o.object_id
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JOIN sys.types t ON c.user_type_id = t.user_type_id
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LEFT JOIN sys.default_constraints d ON c.default_object_id = d.parent_column_id
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WHERE o.schema_id = SCHEMA_ID(" . q(get_schema()) . ") AND o.type IN ('S', 'U', 'V') AND o.name = " . q($table)
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) as $row) {
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$type = $row["type"];
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$length = (preg_match("~char|binary~", $type) ? $row["max_length"] : ($type == "decimal" ? "$row[precision],$row[scale]" : ""));
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$return[$row["name"]] = array(
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"field" => $row["name"],
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"full_type" => $type . ($length ? "($length)" : ""),
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"type" => $type,
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"length" => $length,
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"default" => $row["default"],
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"null" => $row["is_nullable"],
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"auto_increment" => $row["is_identity"],
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"collation" => $row["collation_name"],
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"privileges" => array("insert" => 1, "select" => 1, "update" => 1),
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"primary" => $row["is_identity"], //! or indexes.is_primary_key
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"comment" => $comments[$row["name"]],
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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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// sp_statistics doesn't return information about primary key
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foreach (get_rows("SELECT i.name, key_ordinal, is_unique, is_primary_key, c.name AS column_name, is_descending_key
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FROM sys.indexes i
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INNER JOIN sys.index_columns ic ON i.object_id = ic.object_id AND i.index_id = ic.index_id
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INNER JOIN sys.columns c ON ic.object_id = c.object_id AND ic.column_id = c.column_id
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WHERE OBJECT_NAME(i.object_id) = " . q($table)
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, $connection2) as $row) {
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$name = $row["name"];
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$return[$name]["type"] = ($row["is_primary_key"] ? "PRIMARY" : ($row["is_unique"] ? "UNIQUE" : "INDEX"));
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$return[$name]["lengths"] = array();
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$return[$name]["columns"][$row["key_ordinal"]] = $row["column_name"];
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$return[$name]["descs"][$row["key_ordinal"]] = ($row["is_descending_key"] ? '1' : null);
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}
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return $return;
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}
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function view($name) {
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global $connection;
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return array("select" => preg_replace('~^(?:[^[]|\[[^]]*])*\s+AS\s+~isU', '', $connection->result("SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_SCHEMA = SCHEMA_NAME() AND TABLE_NAME = " . q($name))));
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}
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function collations() {
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$return = array();
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foreach (get_vals("SELECT name FROM fn_helpcollations()") as $collation) {
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$return[preg_replace('~_.*~', '', $collation)][] = $collation;
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}
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return $return;
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}
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function information_schema($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 nl_br(h(preg_replace('~^(\[[^]]*])+~m', '', $connection->error)));
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}
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function create_database($db, $collation) {
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return queries("CREATE DATABASE " . idf_escape($db) . (preg_match('~^[a-z0-9_]+$~i', $collation) ? " COLLATE $collation" : ""));
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}
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function drop_databases($databases) {
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return queries("DROP DATABASE " . implode(", ", array_map('idf_escape', $databases)));
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}
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function rename_database($name, $collation) {
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if (preg_match('~^[a-z0-9_]+$~i', $collation)) {
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queries("ALTER DATABASE " . idf_escape(DB) . " COLLATE $collation");
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}
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queries("ALTER DATABASE " . idf_escape(DB) . " MODIFY NAME = " . idf_escape($name));
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return true; //! false negative "The database name 'test2' has been set."
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}
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function auto_increment() {
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return " IDENTITY" . ($_POST["Auto_increment"] != "" ? "(" . number($_POST["Auto_increment"]) . ",1)" : "") . " PRIMARY KEY";
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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 = array();
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$comments = array();
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foreach ($fields as $field) {
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$column = idf_escape($field[0]);
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$val = $field[1];
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if (!$val) {
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$alter["DROP"][] = " COLUMN $column";
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} else {
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$val[1] = preg_replace("~( COLLATE )'(\\w+)'~", '\1\2', $val[1]);
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$comments[$field[0]] = $val[5];
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unset($val[5]);
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if ($field[0] == "") {
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$alter["ADD"][] = "\n " . implode("", $val) . ($table == "" ? substr($foreign[$val[0]], 16 + strlen($val[0])) : ""); // 16 - strlen(" FOREIGN KEY ()")
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} else {
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unset($val[6]); //! identity can't be removed
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if ($column != $val[0]) {
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queries("EXEC sp_rename " . q(table($table) . ".$column") . ", " . q(idf_unescape($val[0])) . ", 'COLUMN'");
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}
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$alter["ALTER COLUMN " . implode("", $val)][] = "";
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}
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}
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}
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if ($table == "") {
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return queries("CREATE TABLE " . table($name) . " (" . implode(",", (array) $alter["ADD"]) . "\n)");
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}
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if ($table != $name) {
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queries("EXEC sp_rename " . q(table($table)) . ", " . q($name));
|
|
}
|
|
if ($foreign) {
|
|
$alter[""] = $foreign;
|
|
}
|
|
foreach ($alter as $key => $val) {
|
|
if (!queries("ALTER TABLE " . idf_escape($name) . " $key" . implode(",", $val))) {
|
|
return false;
|
|
}
|
|
}
|
|
foreach ($comments as $key => $val) {
|
|
$comment = substr($val, 9); // 9 - strlen(" COMMENT ")
|
|
queries("EXEC sp_dropextendedproperty @name = N'MS_Description', @level0type = N'Schema', @level0name = " . q(get_schema()) . ", @level1type = N'Table', @level1name = " . q($name) . ", @level2type = N'Column', @level2name = " . q($key));
|
|
queries("EXEC sp_addextendedproperty @name = N'MS_Description', @value = " . $comment . ", @level0type = N'Schema', @level0name = " . q(get_schema()) . ", @level1type = N'Table', @level1name = " . q($name) . ", @level2type = N'Column', @level2name = " . q($key));
|
|
}
|
|
return true;
|
|
}
|
|
|
|
function alter_indexes($table, $alter) {
|
|
$index = array();
|
|
$drop = array();
|
|
foreach ($alter as $val) {
|
|
if ($val[2] == "DROP") {
|
|
if ($val[0] == "PRIMARY") { //! sometimes used also for UNIQUE
|
|
$drop[] = idf_escape($val[1]);
|
|
} else {
|
|
$index[] = idf_escape($val[1]) . " ON " . table($table);
|
|
}
|
|
} elseif (!queries(($val[0] != "PRIMARY"
|
|
? "CREATE $val[0] " . ($val[0] != "INDEX" ? "INDEX " : "") . idf_escape($val[1] != "" ? $val[1] : uniqid($table . "_")) . " ON " . table($table)
|
|
: "ALTER TABLE " . table($table) . " ADD PRIMARY KEY"
|
|
) . " (" . implode(", ", $val[2]) . ")")) {
|
|
return false;
|
|
}
|
|
}
|
|
return (!$index || queries("DROP INDEX " . implode(", ", $index)))
|
|
&& (!$drop || queries("ALTER TABLE " . table($table) . " DROP " . implode(", ", $drop)))
|
|
;
|
|
}
|
|
|
|
function last_id() {
|
|
global $connection;
|
|
return $connection->result("SELECT SCOPE_IDENTITY()"); // @@IDENTITY can return trigger INSERT
|
|
}
|
|
|
|
function explain($connection, $query) {
|
|
$connection->query("SET SHOWPLAN_ALL ON");
|
|
$return = $connection->query($query);
|
|
$connection->query("SET SHOWPLAN_ALL OFF"); // connection is used also for indexes
|
|
return $return;
|
|
}
|
|
|
|
function found_rows($table_status, $where) {
|
|
}
|
|
|
|
function foreign_keys($table) {
|
|
$return = array();
|
|
foreach (get_rows("EXEC sp_fkeys @fktable_name = " . q($table)) as $row) {
|
|
$foreign_key = &$return[$row["FK_NAME"]];
|
|
$foreign_key["db"] = $row["PKTABLE_QUALIFIER"];
|
|
$foreign_key["table"] = $row["PKTABLE_NAME"];
|
|
$foreign_key["source"][] = $row["FKCOLUMN_NAME"];
|
|
$foreign_key["target"][] = $row["PKCOLUMN_NAME"];
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
function truncate_tables($tables) {
|
|
return apply_queries("TRUNCATE TABLE", $tables);
|
|
}
|
|
|
|
function drop_views($views) {
|
|
return queries("DROP VIEW " . implode(", ", array_map('table', $views)));
|
|
}
|
|
|
|
function drop_tables($tables) {
|
|
return queries("DROP TABLE " . implode(", ", array_map('table', $tables)));
|
|
}
|
|
|
|
function move_tables($tables, $views, $target) {
|
|
return apply_queries("ALTER SCHEMA " . idf_escape($target) . " TRANSFER", array_merge($tables, $views));
|
|
}
|
|
|
|
function trigger($name) {
|
|
if ($name == "") {
|
|
return array();
|
|
}
|
|
$rows = get_rows("SELECT s.name [Trigger],
|
|
CASE WHEN OBJECTPROPERTY(s.id, 'ExecIsInsertTrigger') = 1 THEN 'INSERT' WHEN OBJECTPROPERTY(s.id, 'ExecIsUpdateTrigger') = 1 THEN 'UPDATE' WHEN OBJECTPROPERTY(s.id, 'ExecIsDeleteTrigger') = 1 THEN 'DELETE' END [Event],
|
|
CASE WHEN OBJECTPROPERTY(s.id, 'ExecIsInsteadOfTrigger') = 1 THEN 'INSTEAD OF' ELSE 'AFTER' END [Timing],
|
|
c.text
|
|
FROM sysobjects s
|
|
JOIN syscomments c ON s.id = c.id
|
|
WHERE s.xtype = 'TR' AND s.name = " . q($name)
|
|
); // triggers are not schema-scoped
|
|
$return = reset($rows);
|
|
if ($return) {
|
|
$return["Statement"] = preg_replace('~^.+\s+AS\s+~isU', '', $return["text"]); //! identifiers, comments
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
function triggers($table) {
|
|
$return = array();
|
|
foreach (get_rows("SELECT sys1.name,
|
|
CASE WHEN OBJECTPROPERTY(sys1.id, 'ExecIsInsertTrigger') = 1 THEN 'INSERT' WHEN OBJECTPROPERTY(sys1.id, 'ExecIsUpdateTrigger') = 1 THEN 'UPDATE' WHEN OBJECTPROPERTY(sys1.id, 'ExecIsDeleteTrigger') = 1 THEN 'DELETE' END [Event],
|
|
CASE WHEN OBJECTPROPERTY(sys1.id, 'ExecIsInsteadOfTrigger') = 1 THEN 'INSTEAD OF' ELSE 'AFTER' END [Timing]
|
|
FROM sysobjects sys1
|
|
JOIN sysobjects sys2 ON sys1.parent_obj = sys2.id
|
|
WHERE sys1.xtype = 'TR' AND sys2.name = " . q($table)
|
|
) as $row) { // triggers are not schema-scoped
|
|
$return[$row["name"]] = array($row["Timing"], $row["Event"]);
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
function trigger_options() {
|
|
return array(
|
|
"Timing" => array("AFTER", "INSTEAD OF"),
|
|
"Event" => array("INSERT", "UPDATE", "DELETE"),
|
|
"Type" => array("AS"),
|
|
);
|
|
}
|
|
|
|
function schemas() {
|
|
return get_vals("SELECT name FROM sys.schemas");
|
|
}
|
|
|
|
function get_schema() {
|
|
global $connection;
|
|
if ($_GET["ns"] != "") {
|
|
return $_GET["ns"];
|
|
}
|
|
return $connection->result("SELECT SCHEMA_NAME()");
|
|
}
|
|
|
|
function set_schema($schema) {
|
|
return true; // ALTER USER is permanent
|
|
}
|
|
|
|
function use_sql($database) {
|
|
return "USE " . idf_escape($database);
|
|
}
|
|
|
|
function show_variables() {
|
|
return array();
|
|
}
|
|
|
|
function show_status() {
|
|
return array();
|
|
}
|
|
|
|
function convert_field($field) {
|
|
}
|
|
|
|
function unconvert_field($field, $return) {
|
|
return $return;
|
|
}
|
|
|
|
function support($feature) {
|
|
return preg_match('~^(comment|columns|database|drop_col|indexes|descidx|scheme|sql|table|trigger|view|view_trigger)$~', $feature); //! routine|
|
|
}
|
|
|
|
function driver_config() {
|
|
$types = array();
|
|
$structured_types = array();
|
|
foreach (array( //! use sys.types
|
|
lang('Numbers') => array("tinyint" => 3, "smallint" => 5, "int" => 10, "bigint" => 20, "bit" => 1, "decimal" => 0, "real" => 12, "float" => 53, "smallmoney" => 10, "money" => 20),
|
|
lang('Date and time') => array("date" => 10, "smalldatetime" => 19, "datetime" => 19, "datetime2" => 19, "time" => 8, "datetimeoffset" => 10),
|
|
lang('Strings') => array("char" => 8000, "varchar" => 8000, "text" => 2147483647, "nchar" => 4000, "nvarchar" => 4000, "ntext" => 1073741823),
|
|
lang('Binary') => array("binary" => 8000, "varbinary" => 8000, "image" => 2147483647),
|
|
) as $key => $val) {
|
|
$types += $val;
|
|
$structured_types[$key] = array_keys($val);
|
|
}
|
|
return array(
|
|
'possible_drivers' => array("SQLSRV", "MSSQL", "PDO_DBLIB"),
|
|
'jush' => "mssql",
|
|
'types' => $types,
|
|
'structured_types' => $structured_types,
|
|
'unsigned' => array(),
|
|
'operators' => array("=", "<", ">", "<=", ">=", "!=", "LIKE", "LIKE %%", "IN", "IS NULL", "NOT LIKE", "NOT IN", "IS NOT NULL"),
|
|
'functions' => array("distinct", "len", "lower", "round", "upper"),
|
|
'grouping' => array("avg", "count", "count distinct", "max", "min", "sum"),
|
|
'edit_functions' => array(
|
|
array(
|
|
"date|time" => "getdate",
|
|
), array(
|
|
"int|decimal|real|float|money|datetime" => "+/-",
|
|
"char|text" => "+",
|
|
)
|
|
),
|
|
);
|
|
}
|
|
}
|