/// <summary>
/// overloaded version without sequence, but with ASelectedOperations
/// </summary>
public static void SubmitChanges(
TTypedDataTable ATable,
TDBTransaction ATransaction,
eSubmitChangesOperations ASelectedOperations,
string AUserId)
{
SubmitChanges(ATable, ATransaction, ASelectedOperations, AUserId, "", "");
}
/// <summary>
/// submit those rows in the table that have been modified or created or deleted
/// </summary>
/// <param name="ATable"></param>
/// <param name="ATransaction"></param>
/// <param name="ASelectedOperations"></param>
/// <param name="AUserId">the current user, for auditing</param>
/// <param name="ASequenceName"></param>
/// <param name="ASequenceField"></param>
/// <returns></returns>
public static void SubmitChanges(
TTypedDataTable ATable,
TDBTransaction ATransaction,
eSubmitChangesOperations ASelectedOperations,
string AUserId,
string ASequenceName, string ASequenceField)
{
// allow this method to be called with null values, eg. when saving complex TypedDataSets with some removed empty tables
if (ATable == null)
{
return;
}
short TableId = Convert.ToInt16(ATable.GetType().GetField("TableId").GetValue(null));
if (!ATable.ThrowAwayAfterSubmitChanges && !ATable.DontThrowAwayAfterSubmitChanges && (ATable.Rows.Count > 1000))
{
TLogging.Log(
"Warning to the developer: Saving " + ATable.Rows.Count.ToString() + " records to table " + ATable.TableName +
" without ThrowAwayAfterSubmitChanges is quite slow");
TLogging.Log(
"It is recommended to use either ThrowAwayAfterSubmitChanges and Reload all data at once, or GetChanges to have less queries for updated modification timestamp");
TLogging.LogStackTrace(TLoggingType.ToLogfile);
}
List <OdbcParameter>InsertParameters = new List <OdbcParameter>();
StringBuilder InsertStatement = new StringBuilder();
for (RowCount = 0; (RowCount != ATable.Rows.Count); RowCount++)
{
DataRow TheRow = ATable.Rows[RowCount];
if ((TheRow.RowState == DataRowState.Added) && ((ASelectedOperations & eSubmitChangesOperations.eInsert) != 0))
{
bool TreatRowAsAdded = false;
if (ASequenceField.Length > 0)
{
// only insert next sequence value if the field has negative value.
// this is needed when creating location 0 for a new site/ledger
if (Convert.ToInt64(TheRow[ASequenceField]) < 0)
{
// accept changes for the row, so that we can update the dataset on the client and still know the negative temp sequence number
TheRow.AcceptChanges();
TheRow[ASequenceField] = (System.Object)DBAccess.GDBAccessObj.GetNextSequenceValue(ASequenceName, ATransaction);
TreatRowAsAdded = true; // setting this variable to 'true' is *vital* for the retrieval of the s_modification_id_t for that record once it is saved!
}
}
if (ATable.ThrowAwayAfterSubmitChanges)
{
TTypedDataAccess.InsertRow(TableId, ref TheRow, AUserId, InsertStatement, InsertParameters);
}
else
{
TTypedDataAccess.InsertRow(TableId, ref TheRow, ATransaction, AUserId, TreatRowAsAdded);
}
}
else
{
bool hasPrimaryKey = TTypedDataTable.GetPrimaryKeyColumnOrdList(TableId).Length > 0;
if ((TheRow.RowState == DataRowState.Modified) && ((ASelectedOperations & eSubmitChangesOperations.eUpdate) != 0))
{
if (!hasPrimaryKey)
{
throw new EDBSubmitException(
"[TTypedDataAccess.SubmitChanges] NO PRIMARY KEY --- Cannot update record because table " +
TTypedDataTable.GetTableName(TableId) + " has no primary key.",
eSubmitChangesOperations.eUpdate);
}
else
{
TTypedDataAccess.UpdateRow(TableId, ATable.ThrowAwayAfterSubmitChanges, ref TheRow, ATransaction, AUserId);
}
}
if ((TheRow.RowState == DataRowState.Deleted) && ((ASelectedOperations & eSubmitChangesOperations.eDelete) != 0))
{
if (!hasPrimaryKey)
{
throw new EDBSubmitException(
"[TTypedDataAccess.SubmitChanges] NO PRIMARY KEY --- Cannot delete record because table " +
TTypedDataTable.GetTableName(TableId) + " has no primary key.",
eSubmitChangesOperations.eDelete);
}
else
{
TTypedDataAccess.DeleteRow(TableId, TheRow, ATransaction);
}
}
}
if (InsertParameters.Count > MAX_SQL_PARAMETERS)
{
// Inserts in one query
if (0 == DBAccess.GDBAccessObj.ExecuteNonQuery(InsertStatement.ToString(), ATransaction, InsertParameters.ToArray()))
{
throw new EDBSubmitException("[TTypedDataAccess.SubmitChanges] Problems INSERTing a row [#1]",
eSubmitChangesOperations.eInsert);
}
InsertStatement = new StringBuilder();
InsertParameters = new List <OdbcParameter>();
}
}
if (InsertStatement.Length > 0)
{
// Inserts in one query
if (0 == DBAccess.GDBAccessObj.ExecuteNonQuery(InsertStatement.ToString(), ATransaction, InsertParameters.ToArray()))
{
throw new EDBSubmitException("[TTypedDataAccess.SubmitChanges] Problems INSERTing a row [#2]", eSubmitChangesOperations.eInsert);
}
}
}
