187 lines
4.3 KiB
PHP
187 lines
4.3 KiB
PHP
<?php
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namespace Driver\SQL;
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abstract class SQL {
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protected $lastError;
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protected $connection;
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protected $connectionData;
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protected $lastInsertId;
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private $type;
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public function __construct($type, $connectionData) {
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$this->type = $type;
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$this->connection = NULL;
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$this->lastError = 'Not connected';
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$this->connectionData = $connectionData;
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$this->lastInsertId = 0;
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}
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public abstract function connect();
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public abstract function disconnect();
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public function isConnected() {
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return !is_null($this->connection);
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}
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public function getLastError() {
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return trim($this->lastError);
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}
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// public function executeQuery($query) {
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// if(!$this->isConnected()) {
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// $this->lastError = "Database is not connected yet.";
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// return false;
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// }
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//
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// return $query->execute($this);
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// // var_dump($generatedQuery);
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// // return $this->execute($generatedQuery);
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// }
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public function createTable($tableName) {
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return new Query\CreateTable($this, $tableName);
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}
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public function insert($tableName, $columns=array()) {
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return new Query\Insert($this, $tableName, $columns);
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}
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public function select(...$columNames) {
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return new Query\Select($this, $columNames);
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}
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public function truncate($table) {
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return new Query\Truncate($this, $table);
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}
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public function delete($table) {
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return new Query\Delete($this, $table);
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}
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public function update($table) {
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return new Query\Update($this, $table);
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}
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// Querybuilder
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public abstract function executeCreateTable($query);
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public abstract function executeInsert($query);
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public abstract function executeSelect($query);
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public abstract function executeDelete($query);
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public abstract function executeTruncate($query);
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public abstract function executeUpdate($query);
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//
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public abstract function currentTimestamp();
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protected abstract function getColumnDefinition($column);
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protected abstract function getConstraintDefinition($constraint);
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protected abstract function getValueDefinition($val);
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protected abstract function buildCondition($conditions, &$params);
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// Execute
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protected abstract function execute($query, $values=NULL, $returnValues=false);
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public function setLastError($str) {
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$this->lastError = $str;
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}
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protected function addValue($val, &$params) {
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if ($val instanceof Keyword) {
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return $val->getValue();
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} else {
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$params[] = $val;
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return "?";
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}
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}
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/*public function getLastErrorNumber() {
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return mysqli_errno($this->connection);
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}*/
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public function getLastInsertId() {
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return $this->lastInsertId;
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}
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public function close() {
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if(!is_null($this->connection)) {
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$this->connection->close();
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}
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}
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/*public function getAffectedRows() {
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return $this->connection->affected_rows;
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}*/
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/*
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public function execute($query) {
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if(!$this->isConnected()) {
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return false;
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}
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if(!mysqli_query($this->connection, $query)) {
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$this->lastError = mysqli_error($this->connection);
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return false;
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}
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return true;
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}
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public function executeMulti($queries) {
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if(!$this->isConnected()) {
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return false;
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}
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if(!$this->connection->multi_query($queries)) {
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$this->lastError = mysqli_error($this->connection);
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return false;
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}
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while (($success = $this->connection->next_result())) {
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if (!$this->connection->more_results()) break;
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}
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if(!$success) {
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$this->lastError = mysqli_error($this->connection);
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return false;
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}
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return true;
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}
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public function query($query) {
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if(!$this->isConnected()) {
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return false;
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}
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$res = mysqli_query($this->connection, $query);
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if(!$res) {
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$this->lastError = mysqli_error($this->connection);
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return false;
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}
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return $res;
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}
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*/
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public static function createConnection($connectionData) {
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$type = $connectionData->getProperty("type");
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if ($type === "mysql") {
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$sql = new MySQL($connectionData);
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/*} else if ($type === "postgres") {
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// $sql = new PostgreSQL($connectionData);
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} else if ($type === "oracle") {
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// $sql = new OracleSQL($connectionData);
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*/
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} else {
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return "Unknown database type";
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}
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$sql->connect();
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return $sql;
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}
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}
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?>
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