private static void GetNullOutputParameterSmi(SmiMetaData metaData, SqlBuffer targetBuffer, ref object result)
{
if (SqlDbType.Udt == metaData.SqlDbType)
{
result = NullUdtInstance(metaData);
}
else
{
SqlBuffer.StorageType stype = SqlDbTypeToStorageType(metaData.SqlDbType);
if (SqlBuffer.StorageType.Empty == stype)
{
result = DBNull.Value;
}
else if (SqlBuffer.StorageType.SqlBinary == stype)
{
// special case SqlBinary, 'cause tds parser never sets SqlBuffer to null, just to empty!
targetBuffer.SqlBinary = SqlBinary.Null;
}
else if (SqlBuffer.StorageType.SqlGuid == stype)
{
targetBuffer.SqlGuid = SqlGuid.Null;
}
else
{
targetBuffer.SetToNullOfType(stype);
}
}
}
// UDTs and null variants come back via return value, all else is via targetBuffer.
// implements SqlClient 1.1-compatible output parameter semantics
internal static object GetOutputParameterV200Smi(
SmiEventSink_Default sink, // event sink for errors
SmiTypedGetterSetter getters, // getters interface to grab value from
int ordinal, // parameter within getters
SmiMetaData metaData, // Getter's type for this ordinal
SmiContext context, // used to obtain scratch streams
SqlBuffer targetBuffer // destination
)
{
object result = null; // Workaround for UDT hack in non-Smi code paths.
if (IsDBNull_Unchecked(sink, getters, ordinal))
{
GetNullOutputParameterSmi(metaData, targetBuffer, ref result);
}
else
{
switch (metaData.SqlDbType)
{
// new types go here
case SqlDbType.Variant: // Handle variants specifically for v200, since they could contain v200 types
// For variants, recur using the current value's sqldbtype
metaData = getters.GetVariantType(sink, ordinal);
sink.ProcessMessagesAndThrow();
Debug.Assert(SqlDbType.Variant != metaData.SqlDbType, "Variant-within-variant not supposed to be possible!");
GetOutputParameterV200Smi(sink, getters, ordinal, metaData, context, targetBuffer);
break;
case SqlDbType.Date:
targetBuffer.SetToDate(GetDateTime_Unchecked(sink, getters, ordinal));
break;
case SqlDbType.DateTime2:
targetBuffer.SetToDateTime2(GetDateTime_Unchecked(sink, getters, ordinal), metaData.Scale);
break;
case SqlDbType.Time:
targetBuffer.SetToTime(GetTimeSpan_Unchecked(sink, getters, ordinal), metaData.Scale);
break;
case SqlDbType.DateTimeOffset:
targetBuffer.SetToDateTimeOffset(GetDateTimeOffset_Unchecked(sink, getters, ordinal), metaData.Scale);
break;
default:
result = GetOutputParameterV3Smi(sink, getters, ordinal, metaData, context, targetBuffer);
break;
}
}
return(result);
}
/// <summary>
/// Returns a specified number of contiguous elements from the start of the set.
/// </summary>
/// <param name="count">The number of elements to return.</param>
/// <returns>A new <see cref="SqlSet"/> that contains the specified number of elements from the start of the current set.</returns>
public SqlSet Take(int count)
{
bool ignoreBuffer = this.buffer.Take == null;
var newBuffer = new SqlBuffer(
where : (ignoreBuffer) ? this.buffer.Where : null,
orderBy: (ignoreBuffer) ? this.buffer.OrderBy : null,
skip: (ignoreBuffer) ? this.buffer.Skip : null,
take: count
);
SqlSet set = CreateBufferedSet(ignoreBuffer, newBuffer);
return(set);
}
/// <summary>
/// Sorts the elements of the set according to the <paramref name="columnList"/>.
/// </summary>
/// <param name="columnList">The list of columns to base the sort on.</param>
/// <param name="parameters">The parameters to apply to the <paramref name="columnList"/>.</param>
/// <returns>A new <see cref="SqlSet"/> whose elements are sorted according to <paramref name="columnList"/>.</returns>
public SqlSet OrderBy(string columnList, params object[] parameters)
{
bool ignoreBuffer = this.buffer.OrderBy == null &&
this.buffer.Skip == null &&
this.buffer.Take == null;
var newBuffer = new SqlBuffer(
where : (ignoreBuffer) ? this.buffer.Where : null,
orderBy: new SqlFragment(columnList, parameters),
skip: null,
take: null
);
SqlSet set = CreateBufferedSet(ignoreBuffer, newBuffer);
return(set);
}
internal SqlSet <TResult> CreateBufferedSet <TResult>(bool ignoreBuffer, SqlBuffer buffer)
{
SqlSet <TResult> set = null;
if (ignoreBuffer &&
this.definingQuery == null)
{
set = CreateSet <TResult>(this.fromSelect, buffer);
}
if (set == null)
{
SqlBuilder query = GetDefiningQuery(ignoreBuffer: ignoreBuffer);
set = CreateSet <TResult>(query, default(Func <IDataRecord, TResult>), buffer);
}
return(set);
}
internal SqlSet CreateBufferedSet(bool ignoreBuffer, SqlBuffer buffer, Type resultType = null)
{
SqlSet set = null;
if (ignoreBuffer &&
this.definingQuery == null)
{
set = CreateSet(this.fromSelect, resultType, buffer);
}
if (set == null)
{
SqlBuilder query = GetDefiningQuery(ignoreBuffer: ignoreBuffer);
set = CreateSet(query, resultType, buffer);
}
return(set);
}
private SqlSet(SqlSet set, Type resultType, SqlBuffer?buffer)
{
if (set == null)
{
throw new ArgumentNullException(nameof(set));
}
this.ResultType = set.ResultType;
this.setIndex += set.setIndex;
this.db = set.db;
if (resultType != null)
{
this.ResultType = resultType;
}
if (buffer != null)
{
this.buffer = buffer.Value;
}
Initialize2(set);
}
public void Setup()
{
AppSettings.Instance = new AppSettings();
AppSettings.Instance.MySqlDatabase = dataBase;
AppSettings.Instance.CurrentUser = user;
TimeServer.SqlCurrentUser = user;
var buf = SqlBuffer.Load();
buf.ClearBuffer();
buf.Save();
MySqlConnectionStringBuilder mysqlBuiler = new MySqlConnectionStringBuilder()
{
Server = "localhost",
UserID = "WendallMartin",
Password = "******",
Port = 3306,
SslMode = MySqlSslMode.Required
};
_instance = new TheTimeApp.TimeData.MySql(mysqlBuiler, TheTimeApp.TimeData.MySql.UpdateModes.Sync);
_instance.AddUser(new User(user, "", new List <Day>()));
_instance.ClearBuffer();
}
public bool InsertData(List <double> nomreListSorted, DataTable listStudents)
{
try
{
_buffer = new SqlBuffer();
for (int i = 0; i < nomreListSorted.Count; i++)
{
_buffer.AddQuery($@"INSERT INTO Workbook_tbl (Student_Id,Lessson_Id,Nomre) VALUES({listStudents.Rows[i][0]},{int.Parse(cmbLesson.SelectedValue.ToString())},{nomreListSorted[i]})");
}
int resultCount = _buffer.WriteBufferToDb();
if (resultCount > 0)
{
return(true);
}
return(false);//else
}
catch
{
return(false);
}
}
// UDTs and null variants come back via return value, all else is via targetBuffer.
// implements SqlClient 2.0-compatible output parameter semantics
internal static object GetOutputParameterV3Smi(
SmiEventSink_Default sink, // event sink for errors
ITypedGettersV3 getters, // getters interface to grab value from
int ordinal, // parameter within getters
SmiMetaData metaData, // Getter's type for this ordinal
SmiContext context, // used to obtain scratch streams
SqlBuffer targetBuffer // destination
)
{
object result = null; // Workaround for UDT hack in non-Smi code paths.
if (IsDBNull_Unchecked(sink, getters, ordinal))
{
GetNullOutputParameterSmi(metaData, targetBuffer, ref result);
}
else
{
switch (metaData.SqlDbType)
{
case SqlDbType.BigInt:
targetBuffer.Int64 = GetInt64_Unchecked(sink, getters, ordinal);
break;
case SqlDbType.Binary:
case SqlDbType.Image:
case SqlDbType.Timestamp:
case SqlDbType.VarBinary:
targetBuffer.SqlBinary = GetSqlBinary_Unchecked(sink, getters, ordinal);
break;
case SqlDbType.Bit:
targetBuffer.Boolean = GetBoolean_Unchecked(sink, getters, ordinal);
break;
case SqlDbType.NChar:
case SqlDbType.NText:
case SqlDbType.NVarChar:
case SqlDbType.Char:
case SqlDbType.VarChar:
case SqlDbType.Text:
targetBuffer.SetToString(GetString_Unchecked(sink, getters, ordinal));
break;
case SqlDbType.DateTime:
case SqlDbType.SmallDateTime:
{
SqlDateTime dt = new(GetDateTime_Unchecked(sink, getters, ordinal));
targetBuffer.SetToDateTime(dt.DayTicks, dt.TimeTicks);
break;
}
case SqlDbType.Decimal:
{
SqlDecimal dec = GetSqlDecimal_Unchecked(sink, getters, ordinal);
targetBuffer.SetToDecimal(dec.Precision, dec.Scale, dec.IsPositive, dec.Data);
break;
}
case SqlDbType.Float:
targetBuffer.Double = GetDouble_Unchecked(sink, getters, ordinal);
break;
case SqlDbType.Int:
targetBuffer.Int32 = GetInt32_Unchecked(sink, getters, ordinal);
break;
case SqlDbType.Money:
case SqlDbType.SmallMoney:
targetBuffer.SetToMoney(GetInt64_Unchecked(sink, getters, ordinal));
break;
case SqlDbType.Real:
targetBuffer.Single = GetSingle_Unchecked(sink, getters, ordinal);
break;
case SqlDbType.UniqueIdentifier:
targetBuffer.SqlGuid = new SqlGuid(GetGuid_Unchecked(sink, getters, ordinal));
break;
case SqlDbType.SmallInt:
targetBuffer.Int16 = GetInt16_Unchecked(sink, getters, ordinal);
break;
case SqlDbType.TinyInt:
targetBuffer.Byte = GetByte_Unchecked(sink, getters, ordinal);
break;
case SqlDbType.Variant:
// For variants, recur using the current value's sqldbtype
metaData = getters.GetVariantType(sink, ordinal);
sink.ProcessMessagesAndThrow();
Debug.Assert(SqlDbType.Variant != metaData.SqlDbType, "Variant-within-variant not supposed to be possible!");
GetOutputParameterV3Smi(sink, getters, ordinal, metaData, context, targetBuffer);
break;
case SqlDbType.Udt:
result = GetUdt_LengthChecked(sink, getters, ordinal, metaData);
break;
case SqlDbType.Xml:
targetBuffer.SqlXml = GetSqlXml_Unchecked(sink, getters, ordinal, null);
break;
default:
Debug.Assert(false, "Unexpected SqlDbType");
break;
}
}
return(result);
}
