/// <summary>Returns the host representation of the given native value. This is a by-reference operation.</summary>
public static IDataValue FromNative(IValueManager manager, Schema.IDataType dataType, object tempValue)
{
// This code is duplicated in the Copy method and the FromNative overloads for performance
Schema.IScalarType scalarType = dataType as Schema.IScalarType;
if (scalarType != null)
{
if (tempValue is StreamID)
{
return(new Scalar(manager, scalarType, (StreamID)tempValue));
}
if (scalarType.IsGeneric)
{
return(new Scalar(manager, (Schema.ScalarType)manager.GetRuntimeType(tempValue.GetType()), tempValue));
}
return(new Scalar(manager, scalarType, tempValue));
}
if (tempValue == null)
{
return(null);
}
Schema.IRowType rowType = dataType as Schema.IRowType;
if (rowType != null)
{
return(new Row(manager, rowType, (NativeRow)tempValue));
}
Schema.IListType listType = dataType as Schema.IListType;
if (listType != null)
{
return(new ListValue(manager, listType, (NativeList)tempValue));
}
Schema.ITableType tableType = dataType as Schema.ITableType;
if (tableType != null)
{
return(new TableValue(manager, tableType, (NativeTable)tempValue));
}
Schema.ICursorType cursorType = dataType as Schema.ICursorType;
if (cursorType != null)
{
return(new CursorValue(manager, cursorType, (int)tempValue));
}
var runtimeType = manager.GetRuntimeType(tempValue);
if (runtimeType != null)
{
return(FromNative(manager, runtimeType, tempValue));
}
throw new RuntimeException(RuntimeException.Codes.InvalidValueType, dataType == null ? "<null>" : dataType.GetType().Name);
}
public NativeRow(int columnCount) : base()
{
#if USEDATATYPESINNATIVEROW
_dataTypes = new Schema.IDataType[columnCount];
#endif
_values = new object[columnCount];
}
public override object CopyNativeAs(Schema.IDataType dataType)
{
// We need to construct a new TableVar here because otherwise the native table
// will be constructed with the keys inferred for the source, resulting in
// incorrect access plans (see Defect #33978 for more).
Schema.ResultTableVar tableVar = new Schema.ResultTableVar(Node);
tableVar.Owner = Program.Plan.User;
tableVar.EnsureTableVarColumns();
Program.EnsureKey(tableVar);
if (!Active)
{
Open();
}
else
{
Reset();
}
NativeTable nativeTable = new NativeTable(Manager, tableVar);
while (Next())
{
using (IRow row = Select())
{
nativeTable.Insert(Manager, row);
}
}
return(nativeTable);
}
public Symbol(string AName, Schema.IDataType ADataType)
{
FName = AName;
FDataType = ADataType;
FIsConstant = false;
FIsModified = false;
}
/// <summary>Disposes the given native value.</summary>
public static void DisposeNative(IValueManager manager, Schema.IDataType dataType, object tempValue)
{
if (tempValue == null)
{
return;
}
Schema.IScalarType scalarType = dataType as Schema.IScalarType;
if (scalarType != null)
{
if (tempValue is StreamID)
{
manager.StreamManager.Deallocate((StreamID)tempValue);
}
if (scalarType.IsCompound)
{
DisposeNative(manager, scalarType.CompoundRowType, tempValue);
}
return;
}
using (IDataValue dataValue = DataValue.FromNative(manager, dataType, tempValue))
{
dataValue.ValuesOwned = true;
}
}
public DataParam(string name, Schema.IDataType dataType, Modifier modifier, object tempValue)
{
Name = name;
DataType = dataType;
Value = tempValue;
Modifier = modifier;
}
public Symbol(string AName, Schema.IDataType ADataType, bool AIsConstant, bool AIsModified)
{
FName = AName;
FDataType = ADataType;
FIsConstant = AIsConstant;
FIsModified = AIsModified;
}
public override object CopyNativeAs(Schema.IDataType dataType)
{
NativeList newList = new NativeList();
for (int index = 0; index < _list.DataTypes.Count; index++)
{
newList.DataTypes.Add(_list.DataTypes[index]);
newList.Values.Add(DataValue.CopyNative(Manager, _list.DataTypes[index], _list.Values[index]));
}
return(newList);
}
public void Dispose()
{
if (_manager != null)
{
#if USEFINALIZER
System.GC.SuppressFinalize(this);
#endif
Dispose(true);
_manager = null;
_dataType = null;
}
}
/// <summary>Returns the host representation of the given native value. This is a by-reference operation.</summary>
public static IDataValue FromNativeRow(IValueManager manager, Schema.IRowType rowType, NativeRow nativeRow, int nativeRowIndex)
{
// This code is duplicated in the Copy method and the FromNative overloads for performance
#if USEDATATYPESINNATIVEROW
Schema.IDataType dataType = nativeRow.DataTypes[nativeRowIndex];
if (dataType == null)
{
dataType = rowType.Columns[nativeRowIndex].DataType;
}
#else
Schema.IDataType dataType = ARowType.Columns[ANativeRowIndex].DataType;
#endif
Schema.IScalarType scalarType = dataType as Schema.IScalarType;
if (scalarType != null)
{
return(new RowInternedScalar(manager, scalarType, nativeRow, nativeRowIndex));
}
Schema.IRowType localRowType = dataType as Schema.IRowType;
if (localRowType != null)
{
return(new Row(manager, localRowType, (NativeRow)nativeRow.Values[nativeRowIndex]));
}
Schema.IListType listType = dataType as Schema.IListType;
if (listType != null)
{
return(new ListValue(manager, listType, (NativeList)nativeRow.Values[nativeRowIndex]));
}
Schema.ITableType tableType = dataType as Schema.ITableType;
if (tableType != null)
{
return(new TableValue(manager, tableType, (NativeTable)nativeRow.Values[nativeRowIndex]));
}
Schema.ICursorType cursorType = dataType as Schema.ICursorType;
if (cursorType != null)
{
return(new CursorValue(manager, cursorType, (int)nativeRow.Values[nativeRowIndex]));
}
var runtimeType = manager.GetRuntimeType(nativeRow.Values[nativeRowIndex]);
if (runtimeType != null)
{
return(new RowInternedScalar(manager, (Schema.IScalarType)runtimeType, nativeRow, nativeRowIndex));
}
throw new RuntimeException(RuntimeException.Codes.InvalidValueType, dataType == null ? "<null>" : dataType.GetType().Name);
}
/// <summary>Copies the native representation of this value and returns the host representation as the given type.</summary>
public IDataValue CopyAs(Schema.IDataType dataType)
{
// This code is duplicated in the Copy and FromNative methods for performance...
object tempValue = CopyNativeAs(dataType);
Schema.IScalarType scalarType = dataType as Schema.IScalarType;
if (scalarType != null)
{
if (tempValue is StreamID)
{
Scalar scalar = new Scalar(Manager, scalarType, (StreamID)tempValue);
scalar.ValuesOwned = true;
return(scalar);
}
return(new Scalar(Manager, scalarType, tempValue));
}
Schema.IRowType rowType = dataType as Schema.IRowType;
if (rowType != null)
{
Row row = new Row(Manager, rowType, (NativeRow)tempValue);
row.ValuesOwned = true;
return(row);
}
Schema.IListType listType = dataType as Schema.IListType;
if (listType != null)
{
ListValue list = new ListValue(Manager, listType, (NativeList)tempValue);
list.ValuesOwned = true;
return(list);
}
Schema.ITableType tableType = dataType as Schema.ITableType;
if (tableType != null)
{
TableValue table = new TableValue(Manager, tableType, (NativeTable)tempValue);
table.ValuesOwned = true;
return(table);
}
Schema.ICursorType cursorType = dataType as Schema.ICursorType;
if (cursorType != null)
{
return(new CursorValue(Manager, cursorType, (int)tempValue));
}
throw new RuntimeException(RuntimeException.Codes.InvalidValueType, dataType == null ? "<null>" : dataType.GetType().Name);
}
/// <summary>Returns the host representation of the given native value. This is a by-reference operation.</summary>
public static IDataValue FromNativeList(IValueManager manager, Schema.IListType listType, NativeList nativeList, int nativeListIndex)
{
// This code is duplicated in the Copy method and the FromNative overloads for performance
Schema.IDataType dataType = nativeList.DataTypes[nativeListIndex];
if (dataType == null)
{
dataType = listType.ElementType;
}
Schema.IScalarType scalarType = dataType as Schema.IScalarType;
if (scalarType != null)
{
return(new ListInternedScalar(manager, scalarType, nativeList, nativeListIndex));
}
Schema.IRowType rowType = dataType as Schema.IRowType;
if (rowType != null)
{
return(new Row(manager, rowType, (NativeRow)nativeList.Values[nativeListIndex]));
}
Schema.IListType localListType = dataType as Schema.IListType;
if (localListType != null)
{
return(new ListValue(manager, localListType, (NativeList)nativeList.Values[nativeListIndex]));
}
Schema.ITableType tableType = dataType as Schema.ITableType;
if (tableType != null)
{
return(new TableValue(manager, tableType, (NativeTable)nativeList.Values[nativeListIndex]));
}
Schema.ICursorType cursorType = dataType as Schema.ICursorType;
if (cursorType != null)
{
return(new CursorValue(manager, cursorType, (int)nativeList.Values[nativeListIndex]));
}
var runtimeType = manager.GetRuntimeType(nativeList.Values[nativeListIndex]);
if (runtimeType != null)
{
return(new ListInternedScalar(manager, (Schema.IScalarType)runtimeType, nativeList, nativeListIndex));
}
throw new RuntimeException(RuntimeException.Codes.InvalidValueType, nativeList.DataTypes[nativeListIndex] == null ? "<null>" : nativeList.DataTypes[nativeListIndex].GetType().Name);
}
public override object CopyNativeAs(Schema.IDataType dataType)
{
NativeTable newTable = new NativeTable(Manager, _table.TableVar);
using (Scan scan = new Scan(Manager, _table, _table.ClusteredIndex, ScanDirection.Forward, null, null))
{
scan.Open();
while (scan.Next())
{
using (IRow row = scan.GetRow())
{
newTable.Insert(Manager, row);
}
}
}
return(newTable);
}
/// <summary>Returns the host representation of the given physical value.</summary>
public static IDataValue FromPhysical(IValueManager manager, Schema.IDataType dataType, byte[] buffer, int offset)
{
Schema.IScalarType scalarType = dataType as Schema.IScalarType;
if (scalarType != null)
{
Scalar scalar = new Scalar(manager, scalarType, null);
scalar.ReadFromPhysical(buffer, offset);
return(scalar);
}
Schema.IRowType rowType = dataType as Schema.IRowType;
if (rowType != null)
{
Row row = new Row(manager, rowType);
row.ReadFromPhysical(buffer, offset);
return(row);
}
Schema.IListType listType = dataType as Schema.IListType;
if (listType != null)
{
ListValue list = new ListValue(manager, listType);
list.ReadFromPhysical(buffer, offset);
return(list);
}
Schema.ITableType tableType = dataType as Schema.ITableType;
if (tableType != null)
{
TableValue table = new TableValue(manager, tableType, null);
table.ReadFromPhysical(buffer, offset);
return(table);
}
Schema.ICursorType cursorType = dataType as Schema.ICursorType;
if (cursorType != null)
{
CursorValue cursor = new CursorValue(manager, cursorType, -1);
cursor.ReadFromPhysical(buffer, offset);
return(cursor);
}
throw new RuntimeException(RuntimeException.Codes.InvalidValueType, dataType == null ? "<null>" : dataType.GetType().Name);
}
public override object CopyNativeAs(Schema.IDataType dataType)
{
if (_row == null)
{
return(null);
}
if (Object.ReferenceEquals(DataType, dataType))
{
NativeRow newRow = new NativeRow(DataType.Columns.Count);
if (_row != null)
{
for (int index = 0; index < DataType.Columns.Count; index++)
{
#if USEDATATYPESINNATIVEROW
newRow.DataTypes[index] = _row.DataTypes[index];
newRow.Values[index] = CopyNative(Manager, _row.DataTypes[index], _row.Values[index]);
#else
newRow.Values[index] = CopyNative(Manager, DataType.Columns[index].DataType, FRow.Values[index]);
#endif
}
}
return(newRow);
}
else
{
NativeRow newRow = new NativeRow(DataType.Columns.Count);
Schema.IRowType newRowType = (Schema.IRowType)dataType;
if (_row != null)
{
for (int index = 0; index < DataType.Columns.Count; index++)
{
int newIndex = newRowType.Columns.IndexOfName(DataType.Columns[index].Name);
#if USEDATATYPESINNATIVEROW
newRow.DataTypes[newIndex] = _row.DataTypes[index];
newRow.Values[newIndex] = CopyNative(Manager, _row.DataTypes[index], _row.Values[index]);
#else
newRow.Values[newIndex] = CopyNative(Manager, DataType.Columns[index].DataType, FRow.Values[index]);
#endif
}
}
return(newRow);
}
}
internal static object InternalCopy(Program program, Schema.IDataType dataType, TableNode sourceTable, TableNode targetTable, string keyColumnNames, bool insertOnly)
{
return
(IntegrationHelper.Copy
(
program,
sourceTable,
targetTable,
delegate(TableNode ASourceTableInner, TableNode ATargetTableInner, Expression ATargetExpression)
{
return
IntegrationHelper.GenerateConditionedInsertStatement
(
program,
ASourceTableInner,
ATargetTableInner,
ATargetExpression,
insertOnly,
keyColumnNames
);
}
));
}
public override object CopyNativeAs(Schema.IDataType dataType)
{
if (IsNative)
{
ICloneable cloneable = Value as ICloneable;
if (cloneable != null)
{
return(cloneable.Clone());
}
if (DataType.IsCompound)
{
return(DataValue.CopyNative(Manager, DataType.CompoundRowType, Value));
}
return(Value);
}
if (StreamID == StreamID.Null)
{
return(StreamID);
}
return(Manager.StreamManager.Reference(StreamID));
}
public DataParam(string name, Schema.IDataType dataType, Modifier modifier)
{
Name = name;
DataType = dataType;
Modifier = modifier;
}
public Schema.Sort GetUniqueSort(Schema.IDataType type)
{
return(Compiler.GetUniqueSort(_plan, type));
}
public DataValue(IValueManager manager, Schema.IDataType dataType) : base()
{
_manager = manager;
_dataType = dataType;
}
public Schema.Sort GetEqualitySort(Schema.IDataType type)
{
return(Compiler.GetEqualitySort(_plan, type));
}
public static object CopyNative(IValueManager manager, Schema.IDataType dataType, object tempValue)
{
// This code is duplicated in the descendent CopyNative methods for performance
if (tempValue == null)
{
return(tempValue);
}
Schema.IScalarType scalarType = dataType as Schema.IScalarType;
if (scalarType != null)
{
if (tempValue is StreamID)
{
return(manager.StreamManager.Reference((StreamID)tempValue));
}
ICloneable cloneable = tempValue as ICloneable;
if (cloneable != null)
{
return(cloneable.Clone());
}
if (scalarType.IsCompound)
{
return(CopyNative(manager, scalarType.CompoundRowType, tempValue));
}
return(tempValue);
}
Schema.IRowType rowType = dataType as Schema.IRowType;
if (rowType != null)
{
NativeRow nativeRow = (NativeRow)tempValue;
NativeRow newRow = new NativeRow(rowType.Columns.Count);
for (int index = 0; index < rowType.Columns.Count; index++)
{
#if USEDATATYPESINNATIVEROW
newRow.DataTypes[index] = nativeRow.DataTypes[index];
newRow.Values[index] = CopyNative(manager, nativeRow.DataTypes[index], nativeRow.Values[index]);
#else
newRow.Values[index] = CopyNative(AManager, rowType.Columns[index].DataType, nativeRow.Values[index]);
#endif
}
return(newRow);
}
Schema.IListType listType = dataType as Schema.IListType;
if (listType != null)
{
NativeList nativeList = (NativeList)tempValue;
NativeList newList = new NativeList();
for (int index = 0; index < nativeList.DataTypes.Count; index++)
{
newList.DataTypes.Add(nativeList.DataTypes[index]);
newList.Values.Add(CopyNative(manager, nativeList.DataTypes[index], nativeList.Values[index]));
}
return(newList);
}
Schema.ITableType tableType = dataType as Schema.ITableType;
if (tableType != null)
{
NativeTable nativeTable = (NativeTable)tempValue;
NativeTable newTable = new NativeTable(manager, nativeTable.TableVar);
using (Scan scan = new Scan(manager, nativeTable, nativeTable.ClusteredIndex, ScanDirection.Forward, null, null))
{
scan.Open();
while (scan.Next())
{
using (IRow row = scan.GetRow())
{
newTable.Insert(manager, row);
}
}
}
return(newTable);
}
Schema.ICursorType cursorType = dataType as Schema.ICursorType;
if (cursorType != null)
{
return(tempValue);
}
var runtimeType = manager.GetRuntimeType(tempValue);
if (runtimeType != null)
{
return(CopyNative(manager, runtimeType, tempValue));
}
throw new RuntimeException(RuntimeException.Codes.InvalidValueType, dataType == null ? "<null>" : dataType.GetType().Name);
}
public void Add(Schema.IDataType dataType)
{
_dataTypes.Add(dataType);
}
/// <summary>
/// Converts the C# host representation of a value to the "Native" representation (using NativeLists, NativeRows, and NativeTables)
/// </summary>
/// <param name="dataType">The target data type for the conversion.</param>
/// <param name="value">The source value to be converted.</param>
/// <returns>The value in its "Native" representation.</returns>
public static object ToNativeOf(IValueManager valueManager, Schema.IDataType dataType, object value)
{
if (value != null)
{
var scalarType = dataType as Schema.IScalarType;
if (scalarType != null)
{
if (scalarType.Equals(valueManager.DataTypes.SystemString) && !(value is String))
{
return(value.ToString()); // The usual scenario would be an enumerated type...
}
if (scalarType.Equals(valueManager.DataTypes.SystemDateTime) && value is DateTimeOffset)
{
return(new DateTime(((DateTimeOffset)value).Ticks));
}
return(value); // Otherwise, return the C# representation directly
}
var listType = dataType as Schema.IListType;
if (listType != null && value != null)
{
var listValue = value as ListValue;
if (listValue != null)
{
return(listValue);
}
var nativeList = value as NativeList;
if (nativeList != null)
{
return(nativeList);
}
var iList = value as IList;
if (iList != null)
{
var newList = new NativeList();
for (int index = 0; index < iList.Count; index++)
{
newList.DataTypes.Add(listType.ElementType);
newList.Values.Add(ToNativeOf(valueManager, listType.ElementType, iList[index]));
}
return(newList);
}
throw new RuntimeException(RuntimeException.Codes.InternalError, String.Format("Unexpected type for property: {0}", value.GetType().FullName));
}
var tableType = dataType as Schema.ITableType;
if (tableType != null && value != null)
{
var tableValue = value as TableValue;
if (tableValue != null)
{
return(tableValue);
}
var nativeTable = value as NativeTable;
if (nativeTable != null)
{
return(nativeTable);
}
var iDictionary = value as IDictionary;
if (iDictionary != null)
{
var newTableVar = new Schema.BaseTableVar(tableType);
newTableVar.EnsureTableVarColumns();
// Assume the first column is the key, this is potentially problematic, but without key information in table types, not much else we can do....
// The assumption here is that the C# representation of a "table" is a dictionary
newTableVar.Keys.Add(new Schema.Key(new Schema.TableVarColumn[] { newTableVar.Columns[0] }));
var newTable = new NativeTable(valueManager, newTableVar);
foreach (DictionaryEntry entry in iDictionary)
{
using (Row row = new Row(valueManager, newTableVar.DataType.RowType))
{
row[0] = ToNativeOf(valueManager, tableType.Columns[0].DataType, entry.Key);
row[1] = ToNativeOf(valueManager, tableType.Columns[1].DataType, entry.Value);
newTable.Insert(valueManager, row);
}
}
return(newTable);
}
throw new RuntimeException(RuntimeException.Codes.InternalError, String.Format("Unexpected type for property: {0}", value.GetType().FullName));
}
}
return(value);
}
public abstract object CopyNativeAs(Schema.IDataType dataType);
public void PushTypeContext(Schema.IDataType dataType)
{
_typeStack.Push(dataType);
}
public void PopTypeContext(Schema.IDataType dataType)
{
Error.AssertFail(_typeStack.Count > 0, "Type stack underflow");
_typeStack.Pop();
}
public override object CopyNativeAs(Schema.IDataType dataType)
{
return(_iD);
}
public void Insert(int index, Schema.IDataType dataType)
{
_dataTypes.Insert(index, dataType);
}