Inheritance diagram for Deveel.Data.Sql.Tables.NaturallyJoinedTable:

Public Member Functions
	NaturallyJoinedTable (ITable left, ITable right)

Public Member Functions inherited from Deveel.Data.Sql.Tables.JoinedTable
	JoinedTable (IEnumerable< ITable > tables)

	JoinedTable (ITable table)

override void	Lock ()

override void	Release ()

override DataObject	GetValue (long rowNumber, int columnOffset)
	Gets a single cell within the table that is located at the given column offset and row. More...

override IEnumerator< Row >	GetEnumerator ()

Public Member Functions inherited from Deveel.Data.Sql.Tables.Table
void	Dispose ()

ColumnIndex	GetIndex (int columnOffset)
	Gets an index for given column that can be used to select values from this table. More...

Protected Member Functions
override IEnumerable< int >	ResolveRowsForTable (IEnumerable< int > rowSet, int tableNum)

Protected Member Functions inherited from Deveel.Data.Sql.Tables.JoinedTable
virtual void	Init (IEnumerable< ITable > tables)

override int	IndexOfColumn (ObjectName columnName)

override RawTableInfo	GetRawTableInfo (RawTableInfo rootInfo)

override ObjectName	GetResolvedColumnName (int column)

override ColumnIndex	GetIndex (int column, int originalColumn, ITable table)

override IEnumerable< int >	ResolveRows (int column, IEnumerable< int > rowSet, ITable ancestor)

int	ResolveRowForTable (int rowNumber, int tableNum)

Protected Member Functions inherited from Deveel.Data.Sql.Tables.Table
virtual void	Dispose (bool disposing)

virtual void	OnLockAcquired (Lock @lock)

virtual void	OnLockReleased (Lock @lock)

int	FindColumn (ObjectName columnName)

Properties
override int	RowCount `[get]`

Properties inherited from Deveel.Data.Sql.Tables.JoinedTable
ColumnIndex[]	ColumnIndices `[get]`

int[]	ColumnTable `[get]`

int[]	ColumnFilter `[get]`

override int	ColumnCount `[get]`

override IContext	Context `[get]`

override TableInfo	TableInfo `[get]`

ITable[]	ReferenceTables `[get]`

int	SortColumn `[get, set]`

Properties inherited from Deveel.Data.Sql.Tables.Table
abstract IContext	Context `[get]`

abstract TableInfo	TableInfo `[get]`

bool	IsLocked `[get, private set]`

object ILockable.	RefId `[get]`

int IQueryTable.	ColumnCount `[get]`

virtual int	ColumnCount `[get]`

abstract int	RowCount `[get]`

ObjectName	FullName `[get]`

DbObjectType IDbObject.	ObjectType `[get]`

Properties inherited from Deveel.Data.Sql.Tables.IQueryTable
int	ColumnCount `[get]`

Properties inherited from Deveel.Data.Sql.Tables.ITable
IContext	Context `[get]`

TableInfo	TableInfo `[get]`
	Gets the metadata information of the table, used to resolve the column sources. More...

int	RowCount `[get]`
	Gets the total number of rows in the table. More...

Properties inherited from Deveel.Data.Sql.IDbObject
ObjectName	FullName `[get]`
	Gets the fully qualified name of the object used to resolve it uniquely within the database. More...

DbObjectType	ObjectType `[get]`
	Gets the type of database object that the implementation is for More...

Properties inherited from Deveel.Data.Transactions.ILockable
object	RefId `[get]`

Private Member Functions
int	GetLeftRowIndex (int rowIndex)

int	GetRightRowIndex (int rowIndex)

Private Attributes
readonly int	leftRowCount

readonly int	rightRowCount

readonly IList< int >	leftSet

readonly IList< int >	rightSet

readonly bool	leftIsSimpleEnum

readonly bool	rightIsSimpleEnum

Detailed Description

Definition at line 22 of file NaturallyJoinedTable.cs.

Constructor & Destructor Documentation

Deveel.Data.Sql.Tables.NaturallyJoinedTable.NaturallyJoinedTable	(	ITable	left,
		ITable	right
	)

inline

Definition at line 31 of file NaturallyJoinedTable.cs.

             : base(new[] {left, right}) {
             leftRowCount = left.RowCount;
             rightRowCount = right.RowCount;
 
             // Build lookup tables for the rows in the parent tables if necessary
             // (usually it's not necessary).
 
             // If the left or right tables are simple enumerations, we can optimize
             // our access procedure,
             leftIsSimpleEnum = (left.GetEnumerator() is SimpleRowEnumerator);
             rightIsSimpleEnum = (right.GetEnumerator() is SimpleRowEnumerator);
 
             leftSet = !leftIsSimpleEnum ? left.Select(x => x.RowId.RowNumber).ToList() : null;
             rightSet = !rightIsSimpleEnum ? right.Select(x => x.RowId.RowNumber).ToList() : null;
         }

Member Function Documentation

int Deveel.Data.Sql.Tables.NaturallyJoinedTable.GetLeftRowIndex ( int rowIndex )

inlineprivate

Definition at line 55 of file NaturallyJoinedTable.cs.

                                                   {
             if (leftIsSimpleEnum)
                 return rowIndex;
 
             return leftSet[rowIndex];
         }

int Deveel.Data.Sql.Tables.NaturallyJoinedTable.GetRightRowIndex ( int rowIndex )

inlineprivate

Definition at line 62 of file NaturallyJoinedTable.cs.

                                                    {
             if (rightIsSimpleEnum)
                 return rowIndex;
 
             return rightSet[rowIndex];
         }

override IEnumerable<int> Deveel.Data.Sql.Tables.NaturallyJoinedTable.ResolveRowsForTable	(	IEnumerable< int >	rowSet,
		int	tableNum
	)

inlineprotectedvirtual

Implements Deveel.Data.Sql.Tables.JoinedTable.

Definition at line 69 of file NaturallyJoinedTable.cs.

                                                                                                        {
             var rowList = rowSet.ToList();
             bool pickRightTable = (tableNum == 1);
             for (int n = rowList.Count - 1; n >= 0; --n) {
                 int aa = rowList[n];
                 // Reverse map row index to parent domain
                 int parentRow;
                 if (pickRightTable) {
                     parentRow = GetRightRowIndex(aa % rightRowCount);
                 } else {
                     parentRow = GetLeftRowIndex(aa / rightRowCount);
                 }
                 rowList[n] = parentRow;
             }
 
             return rowList.ToArray();
         }

Member Data Documentation

readonly bool Deveel.Data.Sql.Tables.NaturallyJoinedTable.leftIsSimpleEnum

private

Definition at line 29 of file NaturallyJoinedTable.cs.

readonly int Deveel.Data.Sql.Tables.NaturallyJoinedTable.leftRowCount

private

Definition at line 24 of file NaturallyJoinedTable.cs.

readonly IList<int> Deveel.Data.Sql.Tables.NaturallyJoinedTable.leftSet

private

Definition at line 28 of file NaturallyJoinedTable.cs.

readonly bool Deveel.Data.Sql.Tables.NaturallyJoinedTable.rightIsSimpleEnum

private

Definition at line 29 of file NaturallyJoinedTable.cs.

readonly int Deveel.Data.Sql.Tables.NaturallyJoinedTable.rightRowCount

private

Definition at line 24 of file NaturallyJoinedTable.cs.

readonly IList<int> Deveel.Data.Sql.Tables.NaturallyJoinedTable.rightSet

private

Definition at line 28 of file NaturallyJoinedTable.cs.

Property Documentation

override int Deveel.Data.Sql.Tables.NaturallyJoinedTable.RowCount

get

Definition at line 48 of file NaturallyJoinedTable.cs.

The documentation for this class was generated from the following file:

/var/calculate/remote/distfiles/egit-src/deveeldb.git/src/deveeldb/Deveel.Data.Sql.Tables/NaturallyJoinedTable.cs

Public Member Functions

Protected Member Functions

Properties

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation

Property Documentation