问题
I want make Media Player with C#&VS2019
Windows Version 10
SQLite Version 3
Build Environment 32bit
I make Library Project and Console Project(Test)
But I got this runtime error.
Error System.Data.SQLite.SQLiteException 'SQL logic error near "'2021-10-30'": syntax error'
DirectoryFileManager
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
using System.Data.SQLite;
namespace Eagle_Lib
{
public class DirectoryFileManager
{
private string rootPath;
private List<FileInfo> files;
// Singletone instance
private static DirectoryFileManager instance = null;
// Constructor
private DirectoryFileManager()
{
files = new List<FileInfo>();
}
public static DirectoryFileManager GetInstance()
{
return instance == null ? instance = new DirectoryFileManager() :
instance;
}
public void Init(string rootPath)
{
this.rootPath = rootPath;
// Initpath
InitPath(rootPath);
}
public List<FileInfo> GetFiles()
{
return files;
}
// IsVideoFile?
string[] videoExts = new string[]
{
".mp4", ".mkv", ".avi"
};
private bool isVideoFile(FileInfo file)
{
foreach (string videoExt in videoExts)
{
if (file.Extension.Equals(videoExt)) return true;
}
return false;
}
// 해당 디렉토리 내부의 모든 파일을 읽어와서 램에 올린다.
public void InitPath(string path)
{
DirectoryInfo info = new DirectoryInfo(path);
FileInfo[] files = info.GetFiles();
DirectoryInfo[] dirs = info.GetDirectories();
foreach (FileInfo file in files)
{
if (isVideoFile(file)) this.files.Add(file);
}
foreach (DirectoryInfo dir in dirs)
{
InitPath(dir.FullName);
}
}
public void Print()
{
// 디버그용 Print
foreach (FileInfo info in files)
{
Console.WriteLine(info.FullName);
}
}
}
}
DBManager
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
using System.Data.SQLite;
using System.Data;
namespace Eagle_Lib
{
//DataBase
//Table 'Files' 파일-ID 매칭 테이블
//Name
//uid(int pk incr)
//filepath(text)
//Video ID(text)
//Stars(real) [1.0 ~ 5.0]
//VideoPlayTime
//Table 'Actors' Maker
//uid (int pk incr)
//VideoID(text)
//ActorName(text)
//Table "Video" 품목
//VideoID(text pk)
// releaseData(text) [SQLite3는 DATA Column이 없음]
//genres(text) [text 형태의 해시태그 ]
//Table 'Favorites' 즐겨찾기, 빠른스킵, 썸네일, 주요장면 지정
//uid(int pk incr)
// filepath(text)
//start(real)
//end(real)
class DBManager
{
const string CREATE_TABLE_FILES = @"CREATE TABLE IF NOT EXISTS `Files` (
uid INTEGER PRIMARY KEY AUTOINCREMENT,
filepath TEXT NOT NULL,
VideoID TEXT,
stars REAL DEFAULT 0
);";
const string CREATE_TABLE_MAKERS = @"CREATE TABLE IF NOT EXISTS `Makers` (
uid INTEGER PRIMARY KEY AUTOINCREMENT,
VideoID TEXT,
MakerName TEXT
);";
const string CREATE_TABLE_VIDEO = @"CREATE TABLE IF NOT EXISTS `Video`(
VedioID TEXT PRIMARY KEY NOT NULL,
releaseDate TEXT,
genres TEXT
);";
const string CREATE_TABLE_FAVORITES = @"CREATE TABLE IF NOT EXISTS
`Favorites`(
uid INTEGER PRIMARY KEY AUTOINCREMENT,
filepath TEXT NOT NULL,
start REAL,
end REAL DEFAULT -1
);";
private const int DB_VERSION = 3;
private const string dbfile = "EagleSave.db";
private SQLiteConnection conn = null;
private string rootPath;
private static DBManager instance = null;
private DBManager()
{
}
public static DBManager GetInstance()
{
return instance == null ? instance = new DBManager() : instance;
}
public void Init(string rootPath)
{
this.rootPath = rootPath;
string dbfullpath = rootPath + @"\" + dbfile;
if (!File.Exists(dbfullpath))
{
SQLiteConnection.CreateFile(dbfullpath);
}
conn = new SQLiteConnection("Data Source=" + dbfullpath + ";Version=" +
DB_VERSION);
conn.Open();
Execute(CREATE_TABLE_FILES);
Execute(CREATE_TABLE_MAKERS);
Execute(CREATE_TABLE_VIDEO);
Execute(CREATE_TABLE_FAVORITES);
}
public void CleanDBAndInitialize()
{
if (conn == null) { Debug("DBManager : CleanDBAndInitialize
SQLiteConnection
conn is null"); return; }
Execute("DROP TABLE IF EXISTS Files;");
Execute("DROP TABLE IF EXISTS Makers;");
Execute("DROP TABLE IF EXISTS Video;");
Execute("DROP TABLE IF EXISTS Favorites;");
Execute(CREATE_TABLE_FILES);
Execute(CREATE_TABLE_MAKERS);
Execute(CREATE_TABLE_VIDEO);
Execute(CREATE_TABLE_FAVORITES);
}
private void Debug(string str, params object[] args)
{
Console.Write("[DBG:DBManager]");
Console.WriteLine(str, args);
}
private void Execute(string query)
{
SQLiteCommand cmd = new SQLiteCommand(query, conn);
int result = cmd.ExecuteNonQuery();
Debug("Executed query: {0} Result: {1}", query, result);
}
private string Escape(string value)
{
return value;
}
private string Escape(object value)
{
return Convert.ToString(value);
}
private string DEscape(DateTime time)
{
return time.ToString(@"\'yyyy-MM-dd\'");
}
// INSERT && UPDATE && DELETE
//File경로 = rootPath기준 상대경로
//File 삽입
public void InsertFile(string filepath)
{
string query = $@"INSERT INTO Files (Filepath) VALUES
('{Escape(filepath)}')";
Execute(query);
}
//File 제거
public void RemoveFile(int uid)
{
string query = $@"DELETE FROM Files WHERE `uid`={Escape(uid)};";
Execute(query);
}
//File 수정
public void UpdateFile(int uid, string filepath, string videoID, float stars)
{
string query = $@"UPDATE Files SET `filepath`={Escape(filepath)},
`VideoID`=
{Escape(videoID)}, `stars`={Escape(stars)}, `uid`={Escape(uid)}";
Execute(query);
}
// File 수정2 filepath만을 이용해 ID,Stars를 편집할수 있음
public void UpdateFile(string filepath, string videoID, float stars)
{
string query = $@"UPDATE Files SET `VideoID`='{Escape(videoID)}'
`stars`='{Escape(stars)}' WHERE `filepath`='{filepath}';";
Execute(query);
}
//Maker 삽입
public void InsertMaker(string videoID, string MakerName)
{
string query = $@"INSERT INTO Makers (VideoID, MakerName) VALUES
('{Escape(videoID)}', '{Escape(MakerName)};";
Execute(query);
}
//Maker 제거
public void RemoveMaker(int uid)
{
string query = $@"DELETE FROM Maker WHERE `uid`={Escape(uid)};";
Execute(query);
}
//Maker 제거2 videoID와 actorName을 이용해 제거 가능.성능이 안좋음.
public void RemoveMaker(string videoID, string MakerName)
{
string query = $@"DELETE FROM Makers WHERE `VideoID`='{Escape(videoID)}'
AND
`MakerName`='{Escape(MakerName)}'";
Execute(query);
}
//Maker 수정
public void UpdateMaker(int uid, string newName)
{
string query = $@"UPDATE Makers SET MakersName='{Escape(newName)}' WHERE
`uid`={Escape(uid)}";
Execute(query);
}
//Video 삽입
public void InsertVideo(string videoID, DateTime releaseDate, string[]
genres)
{
string genreStr = "";
foreach (string g in genres)
{
genreStr = genreStr + (genreStr.Length == 0 ? g : (", " + g));
}
string query = $@"INSERT INTO `Video` (VideoID, releaseData, genres)
VALUES
({Escape(videoID)} {DEscape(releaseDate)} {Escape(genreStr)});";
Execute(query);
}
//Video 제거
public void RemoveVideo(string videoID)
{
string query = $@"DELETE FROM `Video` WHERE `VideoID`
='{Escape(videoID)}';";
Execute(query);
}
//Video 수정
public void UpdateVideo(string videoID, DateTime releaseDate, string[]
genres)
{
string genreStr = ""; // This is genreStr
foreach (string g in genres)
{
genreStr = genreStr + (genreStr.Length == 0 ? g : (", " + g));
}
string query = $@"UPDATE `Video` SET
releaseDate='{DEscape(releaseDate)}',
`genres`='{Escape(genres)}' WHERE `VideoID`='{Escape(videoID)}';";
Execute(query);
}
//Favorite 삽입
public void InsertFavorite(string filepath, float start, float end)
{
string query = $@"INSERT INFO Favorite (filepath, start,
end)VALUES('{Escape(filepath)}', '{Escape(start)}', {Escape(end)});";
Execute(query);
}
//Favorite 제거
public void RemoveFavorite(int uid)
{
string query = $@"DELETE FROM Favorite WHERE `uid`='{Escape(uid)}'";
Execute(query);
}
//Favorite 수정
public void UpdateFavorite(int uid, float start, float end)
{
string query = $@"UPDATE Favorites SET `start`='{Escape(start)}'
`end`='{Escape(end)} WHERE `uid`='{Escape(uid)}';";
Execute(query);
}
///<summary>
///검색기능&정렬 기능
///1.(파일이 현재 데이터 베이스에 존재하는가)
///2.(ID가 현재 데이터 베이스에 존재하는가)
///3.Maker 검색
///4.Tag검색
///5.파일 검색
///6.ID검색
///7.즐겨찾기 검색
///8.별점으로 정렬
///</summary>
}
}
EagleSystem
using System;
using System.IO;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Data.SQLite;
namespace Eagle_Lib
{
public class EagleSystem
{
private string rootPath;
private DBManager dbm = null;
private DirectoryFileManager dfm = null;
// Singletone
private static EagleSystem instance = null;
public static EagleSystem GetInstance()
{
return instance == null ? instance = new EagleSystem() : instance;
}
// Constructor
private EagleSystem()
{
dbm = DBManager.GetInstance();
dfm = DirectoryFileManager.GetInstance();
}
// Initializer
public void Init(string rootPath)
{
this.rootPath = rootPath;
// DBManager Init First
dbm.Init(rootPath);
// DirectoryFileManager Init Second
dfm.Init(rootPath);
}
public void Test_DirectoryFileManager()
{
dfm.Print();
}
public void Test_DBManager_CleanUp()
{
dbm.CleanDBAndInitialize();
}
public void Test_DBManager_InsertFiles()
{
List<FileInfo> files = dfm.GetFiles();
//Insert File into db Test
foreach (FileInfo file in files)
{
dbm.InsertFile(file.FullName);
}
}
public void Test_DBManager_InsertVideo()
{
List<FileInfo> files = dfm.GetFiles();
var rand = new Random();
foreach (FileInfo file in files)
{
switch (rand.Next(4))
{
case 0:
// videoID추가
dbm.InsertVideo("ABC-123", new DateTime(2021, 10, 30), new
string[] { "Natural", "Sports" });
// 파일에 videoID 밑 별점 추가
dbm.UpdateFile(file.FullName, "ABC-123", 4.0f);
// videoID에 Maker추가
dbm.InsertMaker("ABC-123", "HYES");
dbm.InsertMaker("ABC-123", "V-Vector3");
// 즐겨찾는 구간 설정
dbm.InsertFavorite(file.FullName, 10.0f, 20.0f);
dbm.InsertFavorite(file.FullName, 25.0f, 30.0f);
break;
case 1:
//videoID 추가
dbm.InsertVideo("ABD-133", new DateTime(2021, 10, 30), new
string[] { "Sweat", "Powerful" });
// 파일에 videoID 및 별점 추가
dbm.UpdateFile(file.FullName, "ABD-133", 2.5f);
// videoID에 Maker 추가
dbm.InsertMaker("ABD-133", "Noddong");
// Maker 삭제 테스트
dbm.RemoveMaker("ABD-133", "Noddong");
// 즐겨찾는 구간 설정
dbm.InsertFavorite(file.FullName, 3.0f, 12.0f);
break;
case 2:
//videoID 추가
dbm.InsertVideo("MMD-412", new DateTime(2021, 10, 30), new
string[] { "Horse", "Space" });
//파일에 videoID 및 별점 추가
dbm.UpdateFile(file.FullName, "MMD-412", 3.0f);
// videoID에 Maker추가
dbm.InsertMaker("MMD-412", "Genias");
dbm.InsertMaker("MMD-412", "ZoongZol");
dbm.InsertMaker("MMD-412", "Chozol");
///<summary>
///즐겨 찾는 구간 X
///</summary>
break;
default:
//videoID 추가
dbm.InsertVideo("KWM-331", new DateTime(2021, 10, 30), new
string[] { "Animal", "Human", "IT" });
//파일에 videoID 및 별점추가
dbm.UpdateFile(file.FullName, "KWM-331", 4.5f);
// videoID에 별점 추가
dbm.InsertMaker("KWM-331", "Vumjweja");
dbm.InsertMaker("KWM-331", "MichinNome");
///<summary>
///즐겨 찾는 구간 X
///</summary>
break;
}
}
}
}
}
Program.cs(Console Project)
using System;
using System.Text;
using System.Threading.Tasks;
using Eagle_Lib;
namespace Eagle_Test
{
/// <summary>
/// 이 프로그램은 구현한 기능들을 테스트
/// 하는 곳 이다
/// Eagle 프로젝트의 기능들을 테스트 한다.
/// </summary>
class Program
{
static void TestFunction()
{
EagleSystem system = EagleSystem.GetInstance();
system.Init(@"C:\VIDEOTEST");
system.Test_DirectoryFileManager();
system.Test_DBManager_CleanUp();
system.Test_DBManager_InsertFiles();
system.Test_DBManager_InsertVideo();
}
static void Main(string[] args)
{
TestFunction();
Console.ReadLine(); //리드 라인
}
}
}
来源：https://stackoverflow.com/questions/66181385/i-want-insert-datetilme-value-in-sqlite-with-c-but-i-got-this-runtime-error-wh