335 lines
7.5 KiB
PHP
335 lines
7.5 KiB
PHP
<?php
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$drivers["elastic"] = "Elasticsearch (beta)";
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if (isset($_GET["elastic"])) {
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$possible_drivers = array("json");
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define("DRIVER", "elastic");
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if (function_exists('json_decode')) {
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class Min_DB {
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var $extension = "JSON", $server_info, $errno, $error, $_url;
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/** Performs query
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* @param string
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* @param array
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* @param string
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* @return mixed
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*/
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function rootQuery($path, $content = array(), $method = 'GET') {
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@ini_set('track_errors', 1); // @ - may be disabled
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$file = @file_get_contents($this->_url . '/' . ltrim($path, '/'), false, stream_context_create(array('http' => array(
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'method' => $method,
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'content' => json_encode($content),
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'ignore_errors' => 1, // available since PHP 5.2.10
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))));
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if (!$file) {
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$this->error = $php_errormsg;
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return $file;
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}
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if (!preg_match('~^HTTP/[0-9.]+ 2~i', $http_response_header[0])) {
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$this->error = $file;
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return false;
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}
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$return = json_decode($file, true);
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if (!$return) {
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$this->errno = json_last_error();
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if (function_exists('json_last_error_msg')) {
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$this->error = json_last_error_msg();
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} else {
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$constants = get_defined_constants(true);
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foreach ($constants['json'] as $name => $value) {
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if ($value == $this->errno && preg_match('~^JSON_ERROR_~', $name)) {
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$this->error = $name;
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break;
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}
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}
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}
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}
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return $return;
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}
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/** Performs query relative to actual selected DB
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* @param string
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* @param array
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* @param string
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* @return mixed
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*/
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function query($path, $content = array(), $method = 'GET') {
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return $this->rootQuery(($this->_db != "" ? "$this->_db/" : "/") . ltrim($path, '/'), $content, $method);
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}
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function connect($server, $username, $password) {
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$this->_url = "http://$username:$password@$server/";
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$return = $this->query('');
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if ($return) {
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$this->server_info = $return['version']['number'];
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}
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return (bool) $return;
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}
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function select_db($database) {
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$this->_db = $database;
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return true;
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}
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function quote($string) {
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return $string;
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}
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}
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class Min_Result {
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var $num_rows, $_rows;
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function Min_Result($rows) {
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$this->num_rows = count($this->_rows);
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$this->_rows = $rows;
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reset($this->_rows);
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}
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function fetch_assoc() {
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$return = current($this->_rows);
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next($this->_rows);
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return $return;
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}
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function fetch_row() {
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return array_values($this->fetch_assoc());
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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 select($table, $select, $where, $group, $order = array(), $limit = 1, $page = 0, $print = false) {
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global $adminer;
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$data = array();
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$query = "$table/_search";
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if ($select != array("*")) {
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$data["fields"] = $select;
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}
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if ($order) {
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$sort = array();
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foreach ($order as $col) {
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$col = preg_replace('~ DESC$~', '', $col, 1, $count);
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$sort[] = ($count ? array($col => "desc") : $col);
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}
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$data["sort"] = $sort;
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}
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if ($limit) {
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$data["size"] = +$limit;
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if ($page) {
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$data["from"] = ($page * $limit);
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}
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}
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foreach ((array) $_GET["where"] as $val) {
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if ("$val[col]$val[val]" != "") {
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$term = array("match" => array(($val["col"] != "" ? $val["col"] : "_all") => $val["val"]));
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if ($val["op"] == "=") {
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$data["query"]["filtered"]["filter"]["and"][] = $term;
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} else {
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$data["query"]["filtered"]["query"]["bool"]["must"][] = $term;
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}
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}
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}
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if ($data["query"] && !$data["query"]["filtered"]["query"]) {
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$data["query"]["filtered"]["query"] = array("match_all" => array());
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}
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if ($print) {
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echo $adminer->selectQuery("$query: " . print_r($data, true));
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}
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$search = $this->_conn->query($query, $data);
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if (!$search) {
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return false;
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}
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$return = array();
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foreach ($search['hits']['hits'] as $hit) {
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$row = array();
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$fields = $hit['_source'];
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if ($select != array("*")) {
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$fields = array();
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foreach ($select as $key) {
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$fields[$key] = $hit['fields'][$key];
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}
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}
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foreach ($fields as $key => $val) {
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$row[$key] = (is_array($val) ? json_encode($val) : $val); //! display JSON and others differently
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}
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$return[] = $row;
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}
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return new Min_Result($return);
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}
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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 $connection->error;
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}
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function support($feature) {
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return preg_match("~database|table|columns~", $feature);
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}
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function logged_user() {
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global $adminer;
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$credentials = $adminer->credentials();
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return $credentials[1];
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}
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function get_databases() {
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global $connection;
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$return = $connection->rootQuery('_aliases');
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if ($return) {
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$return = array_keys($return);
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}
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return $return;
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}
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function collations() {
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return array();
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}
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function db_collation($db, $collations) {
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}
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function count_tables($databases) {
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global $connection;
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$return = $connection->query('_mapping');
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if ($return) {
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$return = array_map('count', $return);
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}
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return $return;
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}
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function tables_list() {
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global $connection;
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$return = $connection->query('_mapping');
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if ($return) {
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$return = array_fill_keys(array_keys(reset($return)), 'table');
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}
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return $return;
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}
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function table_status($name = "", $fast = false) {
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$return = tables_list();
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if ($return) {
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foreach ($return as $key => $type) { // _stats have just info about database
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$return[$key] = array("Name" => $key, "Engine" => $type);
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}
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if ($name != "") {
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return $return[$name];
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}
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}
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return $return;
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}
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function error() {
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global $connection;
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return h($connection->error);
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}
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function information_schema() {
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}
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function is_view($table_status) {
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}
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function indexes($table, $connection2 = null) {
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return array(
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array("type" => "PRIMARY", "columns" => array("_id")),
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);
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}
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function fields($table) {
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global $connection;
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$mapping = $connection->query("$table/_mapping");
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$return = array();
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if ($mapping) {
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foreach ($mapping[$table]['properties'] as $name => $field) {
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$return[$name] = array(
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"field" => $name,
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"full_type" => $field["type"],
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"type" => $field["type"],
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"privileges" => array("insert" => 1, "select" => 1, "update" => 1),
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);
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}
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}
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return $return;
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}
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function foreign_keys($table) {
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return array();
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}
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function table($idf) {
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return $idf;
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}
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function idf_escape($idf) {
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return $idf;
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}
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function convert_field($field) {
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}
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function unconvert_field($field, $return) {
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return $return;
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}
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function fk_support($table_status) {
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}
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function found_rows($table_status, $where) {
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return null;
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}
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/** Create database
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* @param string
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* @return mixed
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*/
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function create_database($db) {
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global $connection;
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return $connection->rootQuery(urlencode($db), array(), 'PUT');
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}
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/** Drop databases
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* @param array
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* @return mixed
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*/
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function drop_databases($databases) {
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global $connection;
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return $connection->rootQuery(urlencode(implode(',', $databases)), array(), 'DELETE');
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}
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/** Drop tables
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* @param array
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* @return bool
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*/
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function drop_tables($tables) {
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global $connection;
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$return = true;
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foreach ($tables as $table) { //! convert to bulk api
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$return = $return && $connection->query(urlencode($table), array(), 'DELETE');
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}
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return $return;
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}
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$jush = "elastic";
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$operators = array("=", "query");
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$functions = array();
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$grouping = array();
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$edit_functions = array(array("json"));
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}
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