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我正在使用FMDB作爲我的cocoapod中的依賴項。插入,刪除和選擇操作正常,但我無法更新一行。無法使用swift在FMDB中執行更新3
這裏是我的代碼
數據庫和表創建
let filemgr = FileManager.default
let dirPaths = filemgr.urls(for: .documentDirectory,
in: .userDomainMask)
let databasePath = dirPaths[0].appendingPathComponent("database.sqlite").path
defaults.set(String(databasePath), forKey: "databasePath")
let dbObj = FMDatabase(path: defaults.value(forKey: "databasePath") as! String)
if dbObj == nil {
print("Error: \(dbObj?.lastErrorMessage())")
}
if (dbObj?.open())!
{
let sql_stmt = "CREATE TABLE IF NOT EXISTS TABLE_TICKET (ID INTEGER PRIMARY KEY AUTOINCREMENT, TICKET_SUBJECT TEXT, TICKET_DESCRIPTION TEXT, DEPARTMENT_ID TEXT, PRIORITY_ID TEXT NOT NULL, TYPE_ID TEXT NOT NULL, TICKET_ATTACHMENT TEXT, STAFF_NAME TEXT NOT NULL, TICKET_NO TEXT NOT NULL, TICKET_ID TEXT NOT NULL, TICKET_STATUS TEXT NOT NULL,TICKET_OFFLINE_FLAG TEXT NOT NULL,TICKET_DATE TEXT NOT NULL, TICKET_UPDATE_TIME TEXT)"
if !(dbObj?.executeStatements(sql_stmt))! {
print("Error: \(dbObj?.lastErrorMessage())")
}
dbObj?.close()
}
else
{
print("Error: \(dbObj?.lastErrorMessage())")
}
更新操作
if (dbObj?.open())!
{
let updatedTime = String(describing: json["response"]["CurrentDateTime"])
print(updatedTime)
let deleteSQL = "UPDATE TABLE_TICKET SET ticket_update_time = '\(updatedTime)' WHERE ticket_id ='\(self.currentTicketID!)'"
do {
try dbObj?.executeUpdate("UPDATE TABLE_TICKET SET ticket_update_time=? WHERE ticket_id=?", withArgumentsIn: [updatedTime, self.currentTicketID!])
}
catch {
print(error)
}
} else {
print("Error: \(dbObj?.lastErrorMessage())")
}
在尋找這個問題,我發現分貝必須複製到一個特定的位置,以便它不會被讀取。如果是這樣,我將它存儲在錯誤的位置?
注意:執行此代碼時我沒有收到任何錯誤。更新後的更新列有空白值(插入爲空白)。