Пример #1
0
        internal static bool ResetConnection(SQLiteConnectionHandle hdl, IntPtr db, bool canThrow)
        {
            SQLiteErrorCode sQLiteErrorCode;

            if (hdl == null || db == IntPtr.Zero)
            {
                return(false);
            }
            bool flag = false;

            try
            {
            }
            finally
            {
                lock (hdl)
                {
                    if (canThrow && hdl.IsInvalid)
                    {
                        throw new InvalidOperationException("The connection handle is invalid.");
                    }
                    if (canThrow && hdl.IsClosed)
                    {
                        throw new InvalidOperationException("The connection handle is closed.");
                    }
                    if (!hdl.IsInvalid && !hdl.IsClosed)
                    {
                        IntPtr zero = IntPtr.Zero;
                        do
                        {
                            zero = UnsafeNativeMethods.sqlite3_next_stmt(db, zero);
                            if (zero == IntPtr.Zero)
                            {
                                continue;
                            }
                            sQLiteErrorCode = UnsafeNativeMethods.sqlite3_reset_interop(zero);
                        }while (zero != IntPtr.Zero);
                        if (!SQLiteBase.IsAutocommit(hdl, db))
                        {
                            sQLiteErrorCode = UnsafeNativeMethods.sqlite3_exec(db, SQLiteConvert.ToUTF8("ROLLBACK"), IntPtr.Zero, IntPtr.Zero, ref zero);
                            if (sQLiteErrorCode == SQLiteErrorCode.Ok)
                            {
                                flag = true;
                            }
                            else if (canThrow)
                            {
                                throw new SQLiteException(sQLiteErrorCode, SQLiteBase.GetLastError(hdl, db));
                            }
                        }
                        else
                        {
                            flag = true;
                        }
                    }
                }
            }
            GC.KeepAlive(hdl);
            return(flag);
        }
Пример #2
0
 internal static void CloseConnectionV2(SQLiteConnectionHandle hdl, IntPtr db)
 {
     if (hdl == null || db == IntPtr.Zero)
     {
         return;
     }
     try
     {
     }
     finally
     {
         lock (hdl)
         {
             SQLiteErrorCode sQLiteErrorCode = UnsafeNativeMethods.sqlite3_close_interop(db);
             if (sQLiteErrorCode != SQLiteErrorCode.Ok)
             {
                 throw new SQLiteException(sQLiteErrorCode, SQLiteBase.GetLastError(hdl, db));
             }
         }
     }
 }
Пример #3
0
        public void Reset(bool clearBindings, bool ignoreErrors)
        {
            this.CheckDisposed();
            if (clearBindings && this._parameterCollection != null)
            {
                this._parameterCollection.Unbind();
            }
            this.ClearDataReader();
            if (this._statementList == null)
            {
                return;
            }
            SQLiteBase sQLiteBase = this._cnn._sql;

            foreach (SQLiteStatement sQLiteStatement in this._statementList)
            {
                if (sQLiteStatement == null)
                {
                    continue;
                }
                SQLiteStatementHandle _sqliteStmt = sQLiteStatement._sqlite_stmt;
                if (_sqliteStmt == null)
                {
                    continue;
                }
                SQLiteErrorCode sQLiteErrorCode = sQLiteBase.Reset(sQLiteStatement);
                if (sQLiteErrorCode == SQLiteErrorCode.Ok && clearBindings && SQLite3.SQLiteVersionNumber >= 3003007)
                {
                    sQLiteErrorCode = UnsafeNativeMethods.sqlite3_clear_bindings(_sqliteStmt);
                }
                if (ignoreErrors || sQLiteErrorCode == SQLiteErrorCode.Ok)
                {
                    continue;
                }
                throw new SQLiteException(sQLiteErrorCode, sQLiteBase.GetLastError());
            }
        }