<?php
/*
* OIDplus 2.0
* Copyright 2019 - 2023 Daniel Marschall, ViaThinkSoft
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
namespace ViaThinkSoft\OIDplus;
// phpcs:disable PSR1.Files.SideEffects
// phpcs:enable PSR1.Files.SideEffects
class OIDplusSqlSlangPluginMsSQL extends OIDplusSqlSlangPlugin {
/**
* @return string
*/
public static function id(): string {
return 'mssql';
}
/**
* @return string
*/
public function sqlDate(): string {
return 'getdate()';
}
/**
* @param OIDplusDatabaseConnection $db
* @return bool
*/
public function detect(OIDplusDatabaseConnection $db): bool {
try {
$vers = $db->query("select @@version as dbms_version")->fetch_object()->dbms_version;
return stripos($vers, 'Microsoft SQL Server') !== false;
} catch (\Exception $e) {
return false;
}
}
/**
* @param OIDplusDatabaseConnection $db
* @return int
* @throws OIDplusException
*/
public function insert_id(OIDplusDatabaseConnection $db): int {
// Note: SCOPE_IDENTITY() does not work, does only give 0.
// $res = $db->query("SELECT SCOPE_IDENTITY() AS ID");
// DM 04 Apr 2023 : Added @@ROWCOUNT , see https://stackoverflow.com/questions/4571911/reset-scope-identity
$rc = $db->rowsAffected();
if ($rc == -1) {
// -1 means: it is not implemented or possible with that driver
$res = $db->query("SELECT @@ROWCOUNT AS RC");
$row = $res->fetch_array();
$rc = (int)$row['RC'];
}
if ($rc == 0) return 0;
$res = $db->query("SELECT @@IDENTITY AS ID");
$row = $res->fetch_array();
return (int)$row['ID'];
}
/**
* @param string $cont
* @param string $table
* @param string $prefix
* @return string
*/
public function setupSetTablePrefix(string $cont, string $table, string $prefix): string {
$cont = str_replace('['.$table.']', '['.$prefix.$table.']', $cont);
$cont = str_replace("'dbo.$table'", "'dbo.$prefix$table'", $cont);
$cont = str_replace('PK_'.$table, 'PK_'.$prefix.$table, $cont);
$cont = str_replace('IX_'.$table, 'PK_'.$prefix.$table, $cont);
return str_replace('DF__'.$table, 'DF__'.$prefix.$table, $cont);
}
/**
* @param string $database
* @return string
*/
public function setupCreateDbIfNotExists(string $database): string {
return "";
}
/**
* @param string $database
* @return string
*/
public function setupUseDatabase(string $database): string {
return "USE [$database]\n\nGO\n\n";
}
/**
* @param string $expr1
* @param string $expr2
* @return string
*/
public function isNullFunction(string $expr1, string $expr2): string {
return "isnull($expr1, $expr2)";
}
/**
* @param string $sql
* @return string
*/
public function filterQuery(string $sql): string {
return $sql;
}
/**
* @param bool $bool
* @return string
*/
public function getSQLBool(bool $bool): string {
return $bool ? '1' : '0';
}
/**
* @param string $str
* @return string
*/
public function escapeString(string $str): string {
}
}