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

Public Member Functions
	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
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)

abstract IEnumerable< int >	ResolveRowsForTable (IEnumerable< int > rowSet, int tableNum)

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
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
IList< int >	CalculateRowReferenceList ()

RawTableInfo	GetRawTableInfo (RawTableInfo info, IEnumerable< int > rows)

Private Attributes
ITable[]	referenceList

ColumnIndex[]	indexes

int[]	columnTable

int[]	columnFilter

TableInfo	vtTableInfo

byte	rootsLocked

Detailed Description

Definition at line 24 of file JoinedTable.cs.

Constructor & Destructor Documentation

Deveel.Data.Sql.Tables.JoinedTable.JoinedTable ( IEnumerable< ITable > tables )

inline

Definition at line 39 of file JoinedTable.cs.

                                                        {
             SortColumn = -1;
             Init(tables);
         }

Deveel.Data.Sql.Tables.JoinedTable.JoinedTable ( ITable table )

inline

Definition at line 44 of file JoinedTable.cs.

45 : this(new[] {table}) {

46 }

Member Function Documentation

IList<int> Deveel.Data.Sql.Tables.JoinedTable.CalculateRowReferenceList ( )

inlineprivate

Definition at line 141 of file JoinedTable.cs.

                                                        {
             int size = RowCount;
             List<int> allList = new List<int>(size);
             for (int i = 0; i < size; ++i) {
                 allList.Add(i);
             }
             return allList;
         }

override IEnumerator<Row> Deveel.Data.Sql.Tables.JoinedTable.GetEnumerator ( )

inlinevirtual

Implements Deveel.Data.Sql.Tables.Table.

Definition at line 207 of file JoinedTable.cs.

                                                          {
             return new SimpleRowEnumerator(this);
         }

override ColumnIndex Deveel.Data.Sql.Tables.JoinedTable.GetIndex	(	int	column,
		int	originalColumn,
		ITable	table
	)

inlineprotectedvirtual

Reimplemented from Deveel.Data.Sql.Tables.Table.

Reimplemented in Deveel.Data.Sql.Tables.OuterTable.

Definition at line 211 of file JoinedTable.cs.

                                                                                               {
             // First check if the given SelectableScheme is in the column_scheme array
             var scheme = indexes[column];
             if (scheme != null) {
                 if (table == this)
                     return scheme;
 
                 return scheme.GetSubset(table, originalColumn);
             }
 
             // If it isn't then we need to calculate it
             ColumnIndex index;
 
             // Optimization: The table may be naturally ordered by a column.  If it
             // is we don't try to generate an ordered set.
             if (SortColumn != -1 &&
                 SortColumn == column) {
                 var isop = new InsertSearchIndex(this, column, CalculateRowReferenceList());
                 isop.RecordUid = false;
                 index = isop;
                 indexes[column] = index;
                 if (table != this) {
                     index = index.GetSubset(table, originalColumn);
                 }
 
             } else {
                 // Otherwise we must generate the ordered set from the information in
                 // a parent index.
                 var parentTable = referenceList[columnTable[column]];
                 index = parentTable.GetIndex(columnFilter[column], originalColumn, table);
                 if (table == this) {
                     indexes[column] = index;
                 }
             }
 
             return index;
         }

override RawTableInfo Deveel.Data.Sql.Tables.JoinedTable.GetRawTableInfo ( RawTableInfo rootInfo )

inlineprotectedvirtual

Implements Deveel.Data.Sql.Tables.Table.

Definition at line 162 of file JoinedTable.cs.

                                                                                {
             var allList = new List<int>();
             int size = RowCount;
             for (int i = 0; i < size; ++i) {
                 allList.Add(i);
             }
 
             return GetRawTableInfo(rootInfo, allList);
         }

RawTableInfo Deveel.Data.Sql.Tables.JoinedTable.GetRawTableInfo	(	RawTableInfo	info,
		IEnumerable< int >	rows
	)

inlineprivate

Definition at line 172 of file JoinedTable.cs.

                                                                                        {
             if (this is IRootTable) {
                 info.Add((IRootTable)this, CalculateRowReferenceList());
             } else {
                 for (int i = 0; i < referenceList.Length; ++i) {
 
                     IEnumerable<int> newRowSet = new List<int>(rows);
 
                     // Resolve the rows into the parents indices.
                     newRowSet = ResolveRowsForTable(newRowSet, i);
 
                     var table = referenceList[i];
                     if (table is IRootTable) {
                         info.Add((IRootTable)table, newRowSet.ToArray());
                     } else if (table is JoinedTable) {
                         ((JoinedTable)table).GetRawTableInfo(info, newRowSet);
                     }
                 }
             }
 
             return info;
         }

override ObjectName Deveel.Data.Sql.Tables.JoinedTable.GetResolvedColumnName ( int column )

inlineprotectedvirtual

Reimplemented from Deveel.Data.Sql.Tables.Table.

Definition at line 195 of file JoinedTable.cs.

                                                                         {
             var parentTable = referenceList[columnTable[column]];
             return parentTable.GetResolvedColumnName(columnFilter[column]);
         }

override DataObject Deveel.Data.Sql.Tables.JoinedTable.GetValue	(	long	rowNumber,
		int	columnOffset
	)

inlinevirtual

Gets a single cell within the table that is located at the given column offset and row.

Parameters

rowNumber	The unique number of the row where the cell is located.
columnOffset	The zero-based offset of the column of the cell to return.

Returns: Returns an instance of DataObject that is contained in the cell located by the row and column coordinates provided.

Exceptions

ArgumentOutOfRangeException If the given columnOffset is less than zero or greater or equal than the number of columns defined in the table metadata.

See also: Tables.TableInfo.IndexOfColumn(string)

Implements Deveel.Data.Sql.Tables.Table.

Reimplemented in Deveel.Data.Sql.Tables.OuterTable.

Definition at line 200 of file JoinedTable.cs.

                                                                               {
             int tableNum = columnTable[columnOffset];
             var parentTable = referenceList[tableNum];
             rowNumber = ResolveRowForTable((int)rowNumber, tableNum);
             return parentTable.GetValue(rowNumber, columnFilter[columnOffset]);
         }

override int Deveel.Data.Sql.Tables.JoinedTable.IndexOfColumn ( ObjectName columnName )

inlineprotectedvirtual

Reimplemented from Deveel.Data.Sql.Tables.Table.

Definition at line 150 of file JoinedTable.cs.

                                                                     {
             int colIndex = 0;
             for (int i = 0; i < referenceList.Length; ++i) {
                 int col = referenceList[i].FindColumn(columnName);
                 if (col != -1)
                     return col + colIndex;
 
                 colIndex += referenceList[i].ColumnCount();
             }
             return -1;
         }

virtual void Deveel.Data.Sql.Tables.JoinedTable.Init ( IEnumerable< ITable > tables )

inlineprotectedvirtual

Reimplemented in Deveel.Data.Sql.Tables.VirtualTable.

Definition at line 60 of file JoinedTable.cs.

                                                                 {
             var tablesArray = tables.ToArray();
             referenceList = tablesArray;
 
             int colCount = ColumnCount;
             indexes = new ColumnIndex[colCount];
 
             vtTableInfo = new TableInfo(new ObjectName("#VIRTUAL TABLE#"));
 
             // Generate look up tables for column_table and column_filter information
 
             columnTable = new int[colCount];
             columnFilter = new int[colCount];
 
             int index = 0;
             for (int i = 0; i < referenceList.Length; ++i) {
                 var curTable = referenceList[i];
                 var curTableInfo = curTable.TableInfo;
                 int refColCount = curTable.ColumnCount();
 
                 // For each column
                 for (int n = 0; n < refColCount; ++n) {
                     columnFilter[index] = n;
                     columnTable[index] = i;
                     ++index;
 
                     // Add this column to the data table info of this table.
                     var columnInfo = curTableInfo[n];
                     var newColumnInfo = new ColumnInfo(columnInfo.ColumnName, columnInfo.ColumnType) {
                         DefaultExpression = columnInfo.DefaultExpression,
                         IsNotNull = columnInfo.IsNotNull,
                         IndexType = columnInfo.IndexType
                     };
 
                     vtTableInfo.AddColumnSafe(newColumnInfo);
                 }
             }
 
             vtTableInfo = vtTableInfo.AsReadOnly();
         }

override void Deveel.Data.Sql.Tables.JoinedTable.Lock ( )

inlinevirtual

Implements Deveel.Data.Sql.Tables.Table.

Definition at line 125 of file JoinedTable.cs.

                                     {
             // For each table, recurse.
             rootsLocked++;
             for (int i = 0; i < referenceList.Length; ++i) {
                 referenceList[i].Lock();
             }
         }

override void Deveel.Data.Sql.Tables.JoinedTable.Release ( )

inlinevirtual

Implements Deveel.Data.Sql.Tables.Table.

Definition at line 133 of file JoinedTable.cs.

                                        {
             // For each table, recurse.
             rootsLocked--;
             for (int i = 0; i < referenceList.Length; ++i) {
                 referenceList[i].Release();
             }
         }

int Deveel.Data.Sql.Tables.JoinedTable.ResolveRowForTable	(	int	rowNumber,
		int	tableNum
	)

inlineprotected

Definition at line 264 of file JoinedTable.cs.

                                                                       {
             return ResolveRowsForTable(new[] {rowNumber}, tableNum).First();
         }

override IEnumerable<int> Deveel.Data.Sql.Tables.JoinedTable.ResolveRows	(	int	column,
		IEnumerable< int >	rowSet,
		ITable	ancestor
	)

inlineprotectedvirtual

Implements Deveel.Data.Sql.Tables.Table.

Definition at line 249 of file JoinedTable.cs.

                                                                                                               {
             if (ancestor == this)
                 return new int[0];
 
             int tableNum = columnTable[column];
             var parentTable = referenceList[tableNum];
 
             // Resolve the rows into the parents indices
             var rows = ResolveRowsForTable(rowSet, tableNum);
 
             return parentTable.ResolveRows(columnFilter[column], rows, ancestor);
         }

abstract IEnumerable<int> Deveel.Data.Sql.Tables.JoinedTable.ResolveRowsForTable	(	IEnumerable< int >	rowSet,
		int	tableNum
	)

protectedpure virtual

Implemented in Deveel.Data.Sql.Tables.VirtualTable, and Deveel.Data.Sql.Tables.NaturallyJoinedTable.

Member Data Documentation

int [] Deveel.Data.Sql.Tables.JoinedTable.columnFilter

private

Definition at line 33 of file JoinedTable.cs.

int [] Deveel.Data.Sql.Tables.JoinedTable.columnTable

private

Definition at line 32 of file JoinedTable.cs.

ColumnIndex [] Deveel.Data.Sql.Tables.JoinedTable.indexes

private

Definition at line 26 of file JoinedTable.cs.

ITable [] Deveel.Data.Sql.Tables.JoinedTable.referenceList

private

Definition at line 25 of file JoinedTable.cs.

byte Deveel.Data.Sql.Tables.JoinedTable.rootsLocked

private

Definition at line 37 of file JoinedTable.cs.

TableInfo Deveel.Data.Sql.Tables.JoinedTable.vtTableInfo

private

Definition at line 35 of file JoinedTable.cs.

Property Documentation

override int Deveel.Data.Sql.Tables.JoinedTable.ColumnCount

getprotected

Definition at line 101 of file JoinedTable.cs.

int [] Deveel.Data.Sql.Tables.JoinedTable.ColumnFilter

getprotected

Definition at line 56 of file JoinedTable.cs.

ColumnIndex [] Deveel.Data.Sql.Tables.JoinedTable.ColumnIndices

getprotected

Definition at line 48 of file JoinedTable.cs.

int [] Deveel.Data.Sql.Tables.JoinedTable.ColumnTable

getprotected

Definition at line 52 of file JoinedTable.cs.

override IContext Deveel.Data.Sql.Tables.JoinedTable.Context

get

Definition at line 111 of file JoinedTable.cs.

ITable [] Deveel.Data.Sql.Tables.JoinedTable.ReferenceTables

getprotected

Definition at line 119 of file JoinedTable.cs.

int Deveel.Data.Sql.Tables.JoinedTable.SortColumn

getset

Definition at line 123 of file JoinedTable.cs.

override TableInfo Deveel.Data.Sql.Tables.JoinedTable.TableInfo

get

Definition at line 115 of file JoinedTable.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/JoinedTable.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