FileDB 클래스 추가

.gitignore

@@ -45,3 +45,4 @@ test.php
 
 phpinfo.php
 vendor/ezyang/htmlpurifier/library/HTMLPurifier/DefinitionCache/*
+*.sqlite3

f_install/sql/err_log.sql

@@ -0,0 +1,12 @@
+BEGIN TRANSACTION;
+CREATE TABLE IF NOT EXISTS `err_log` (
+	`id`	INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+	`date`	TEXT NOT NULL,
+	`err`	TEXT NOT NULL,
+	`errstr`	TEXT NOT NULL,
+	`trace`	TEXT NOT NULL
+);
+CREATE INDEX IF NOT EXISTS `date` ON `err_log` (
+	`date`	DESC
+);
+COMMIT;

src/sammo/FileDB.php

@@ -0,0 +1,19 @@
+<?php
+namespace sammo;
+//SQLite + catfan\Medoo
+
+use \Medoo\Medoo;
+
+class FileDB{
+    public static function DB(string $path, ?string $schemaPath = null) : Medoo{
+        //Note: reference count 적용. MySQL의 것과 다르게 동작함.
+        $db = new Medoo([
+            'database_type' => 'sqlite',
+	        'database_file' => $path
+        ]);
+        if($schemaPath){
+            $db->query(\file_get_contents($schemaPath));
+        }
+        return $db;
+    }
+}