public Result ExecuteDeleteStatement(Session session)
{
IRangeIterator iterator = RangeVariable.GetIterator(session, base.TargetRangeVariables);
RowSetNavigatorDataChange navigator = new RowSetNavigatorDataChange();
while (iterator.Next())
{
Row currentRow = iterator.GetCurrentRow();
navigator.AddRow(currentRow);
}
iterator.Release();
if (navigator.GetSize() <= 0)
{
return(Result.UpdateZeroResult);
}
int count = Delete(session, base.BaseTable, navigator);
if (count == 1)
{
return(Result.UpdateOneResult);
}
return(new Result(1, count));
}
public int Update(Session session, Table table, RowSetNavigatorDataChange navigator)
{
int size = navigator.GetSize();
for (int i = 0; i < size; i++)
{
navigator.Next();
object[] currentChangedData = navigator.GetCurrentChangedData();
table.SetIdentityColumn(session, currentChangedData);
table.SetGeneratedColumns(session, currentChangedData);
}
navigator.BeforeFirst();
if (table.FkMainConstraints.Length != 0)
{
HashSet <object> constraintPath = session.sessionContext.GetConstraintPath();
for (int k = 0; k < size; k++)
{
Row nextRow = navigator.GetNextRow();
object[] currentChangedData = navigator.GetCurrentChangedData();
PerformReferentialActions(session, table, navigator, nextRow, currentChangedData, base.UpdateColumnMap, constraintPath);
constraintPath.Clear();
}
navigator.BeforeFirst();
}
for (int j = 0; j < navigator.GetSize(); j++)
{
Row nextRow = navigator.GetNextRow();
object[] currentChangedData = navigator.GetCurrentChangedData();
int[] currentChangedColumns = navigator.GetCurrentChangedColumns();
Table table2 = (Table)nextRow.GetTable();
if (table2.TriggerLists[8].Length != 0)
{
table2.FireTriggers(session, 8, nextRow.RowData, currentChangedData, currentChangedColumns);
table2.EnforceRowConstraints(session, currentChangedData);
}
}
if (!table.IsView())
{
navigator.BeforeFirst();
for (int k = 0; k < navigator.GetSize(); k++)
{
Row nextRow = navigator.GetNextRow();
Table table3 = (Table)nextRow.GetTable();
int[] currentChangedColumns = navigator.GetCurrentChangedColumns();
session.AddDeleteAction(table3, nextRow, currentChangedColumns);
}
navigator.BeforeFirst();
for (int m = 0; m < navigator.GetSize(); m++)
{
object[] currentChangedData = navigator.GetCurrentChangedData();
Table table4 = (Table)navigator.GetNextRow().GetTable();
int[] currentChangedColumns = navigator.GetCurrentChangedColumns();
IPersistentStore rowStore = table4.GetRowStore(session);
if (currentChangedData != null)
{
table4.InsertSingleRow(session, rowStore, currentChangedData, currentChangedColumns);
}
}
navigator.BeforeFirst();
OrderedHashSet <Table> set2 = null;
bool flag = table.TriggerLists[5].Length > 0;
for (int n = 0; n < navigator.GetSize(); n++)
{
Row nextRow = navigator.GetNextRow();
Table table5 = (Table)nextRow.GetTable();
object[] currentChangedData = navigator.GetCurrentChangedData();
int[] currentChangedColumns = navigator.GetCurrentChangedColumns();
PerformIntegrityChecks(session, table5, nextRow.RowData, currentChangedData, currentChangedColumns);
if (table5 != table)
{
if (set2 == null)
{
set2 = new OrderedHashSet <Table>();
}
set2.Add(table5);
if (table5.TriggerLists[5].Length != 0)
{
flag = true;
}
}
}
navigator.BeforeFirst();
if (flag)
{
for (int num9 = 0; num9 < navigator.GetSize(); num9++)
{
Row nextRow = navigator.GetNextRow();
object[] currentChangedData = navigator.GetCurrentChangedData();
int[] currentChangedColumns = navigator.GetCurrentChangedColumns();
((Table)nextRow.GetTable()).FireTriggers(session, 5, nextRow.RowData, currentChangedData, currentChangedColumns);
}
navigator.BeforeFirst();
}
base.BaseTable.FireTriggers(session, 2, navigator);
if (set2 != null)
{
for (int num10 = 0; num10 < set2.Size(); num10++)
{
set2.Get(num10).FireTriggers(session, 2, navigator);
}
}
}
return(size);
}
public static int Delete(Session session, Table table, RowSetNavigatorDataChange navigator)
{
int size = navigator.GetSize();
navigator.BeforeFirst();
if (table.FkMainConstraints.Length != 0)
{
HashSet <object> constraintPath = session.sessionContext.GetConstraintPath();
for (int i = 0; i < size; i++)
{
navigator.Next();
Row currentRow = navigator.GetCurrentRow();
PerformReferentialActions(session, table, navigator, currentRow, null, null, constraintPath);
constraintPath.Clear();
}
navigator.BeforeFirst();
}
while (navigator.HasNext())
{
navigator.Next();
Row currentRow = navigator.GetCurrentRow();
object[] currentChangedData = navigator.GetCurrentChangedData();
int[] currentChangedColumns = navigator.GetCurrentChangedColumns();
Table table2 = (Table)currentRow.GetTable();
if (currentChangedData == null)
{
table2.FireTriggers(session, 7, currentRow.RowData, null, null);
}
else
{
table2.FireTriggers(session, 8, currentRow.RowData, currentChangedData, currentChangedColumns);
}
}
if (!table.IsView())
{
navigator.BeforeFirst();
bool flag = false;
for (int i = 0; i < navigator.GetSize(); i++)
{
Row nextRow = navigator.GetNextRow();
Table table3 = (Table)nextRow.GetTable();
session.AddDeleteAction(table3, nextRow, null);
if (navigator.GetCurrentChangedData() != null)
{
flag = true;
}
}
navigator.BeforeFirst();
if (flag)
{
for (int j = 0; j < navigator.GetSize(); j++)
{
object[] currentChangedData = navigator.GetCurrentChangedData();
Table table4 = (Table)navigator.GetNextRow().GetTable();
int[] currentChangedColumns = navigator.GetCurrentChangedColumns();
IPersistentStore rowStore = table4.GetRowStore(session);
if (currentChangedData != null)
{
table4.InsertSingleRow(session, rowStore, currentChangedData, currentChangedColumns);
}
}
navigator.BeforeFirst();
}
OrderedHashSet <Table> set2 = null;
OrderedHashSet <Table> set3 = null;
bool flag2 = table.TriggerLists[4].Length > 0;
if (size != navigator.GetSize())
{
while (navigator.HasNext())
{
navigator.Next();
Row currentRow = navigator.GetCurrentRow();
object[] currentChangedData = navigator.GetCurrentChangedData();
int[] currentChangedColumns = navigator.GetCurrentChangedColumns();
Table table5 = (Table)currentRow.GetTable();
if (currentChangedData != null)
{
PerformIntegrityChecks(session, table5, currentRow.RowData, currentChangedData, currentChangedColumns);
}
if (table5 != table)
{
if (currentChangedData == null)
{
if (table5.TriggerLists[4].Length != 0)
{
flag2 = true;
}
if (set3 == null)
{
set3 = new OrderedHashSet <Table>();
}
set3.Add(table5);
}
else
{
if (table5.TriggerLists[5].Length != 0)
{
flag2 = true;
}
if (set2 == null)
{
set2 = new OrderedHashSet <Table>();
}
set2.Add(table5);
}
}
}
navigator.BeforeFirst();
}
if (flag2)
{
while (navigator.HasNext())
{
navigator.Next();
Row currentRow = navigator.GetCurrentRow();
object[] currentChangedData = navigator.GetCurrentChangedData();
Table table6 = (Table)currentRow.GetTable();
if (currentChangedData == null)
{
table6.FireTriggers(session, 4, currentRow.RowData, null, null);
}
else
{
table6.FireTriggers(session, 5, currentRow.RowData, currentChangedData, null);
}
}
navigator.BeforeFirst();
}
table.FireTriggers(session, 1, navigator);
if (set2 != null)
{
for (int j = 0; j < set2.Size(); j++)
{
set2.Get(j).FireTriggers(session, 2, navigator);
}
}
if (set3 != null)
{
for (int j = 0; j < set3.Size(); j++)
{
set3.Get(j).FireTriggers(session, 1, navigator);
}
}
}
return(size);
}