org.apache.ignite.internal.processors.query.h2.opt

Class GridH2Table

java.lang.Object

TableBase

org.apache.ignite.internal.processors.query.h2.opt.GridH2Table

public class GridH2Table
extends TableBase

H2 Table implementation.

Constructor Summary

Constructors

Constructor and Description
GridH2Table(CreateTableData createTblData, GridH2RowDescriptor desc, H2RowFactory rowFactory, GridH2SystemIndexFactory idxsFactory, GridCacheContext cctx) Creates table.

Method Summary

Modifier and Type	Method and Description
void	addColumns(List<QueryField> cols, boolean ifNotExists) Add new columns to this table.
Index	addIndex(Session ses, String idxName, int idxId, IndexColumn[] cols, IndexType idxType, boolean create, String idxComment)
void	addRow(Session ses, Row row)
GridCacheContext	cache()
int	cacheId()
String	cacheName()
boolean	canDrop()
boolean	canGetRowCount()
void	checkRename()
void	checkSupportAlter()
void	close(Session ses)
void	collectIndexesForPartialRebuild(IndexRebuildPartialClosure clo) Collect indexes for rebuild.
boolean	containsUserIndex(String idxName) Check whether user index with provided name exists.
void	destroy() Destroy the table.
void	dropColumns(List<String> cols, boolean ifExists) Drop columns.
IndexColumn	getAffinityKeyColumn()
Column[]	getColumns()
long	getDiskSpaceUsed()
ArrayList<Index>	getIndexes()
long	getMaxDataModificationId()
long	getRowCount(Session ses)
long	getRowCountApproximation()
Index	getScanIndex(Session ses)
TableType	getTableType()
Index	getUniqueIndex()
QueryTable	identifier()
String	identifierString()
IndexColumn	indexColumn(int col, int sorting) Creates index column for table.
static void	insertHack(boolean val) Set insert hack flag.
static boolean	insertHackRequired(String sql) Check whether insert hack is required.
boolean	isDeterministic()
boolean	isLockedExclusively()
boolean	isLockedExclusivelyBy(Session ses)
boolean	isPartitioned()
boolean	lock(Session ses, boolean exclusive, boolean force)
void	markRebuildFromHashInProgress(boolean value) Mark or unmark index rebuild state.
void	proposeUserIndex(Index idx) Add index that is in an intermediate state and is still being built, thus is not used in queries until it is promoted.
boolean	rebuildFromHashInProgress()
boolean	remove(CacheDataRow row) Remove row.
void	removeChildrenAndResources(Session ses)
void	removeIndex(Index h2Idx)
void	removeIndex(Session session, Index h2Idx) Remove the given index from the list.
void	removeRow(Session ses, Row row)
void	rollbackUserIndex(String idxName) Remove user index without promoting it.
GridH2RowDescriptor	rowDescriptor()
H2RowFactory	rowFactory()
void	setRemoveIndexOnDestroy(boolean rmIndex) If flag True, index will be destroyed when table destroy().
void	truncate(Session ses)
void	unlock(Session ses)
void	update(CacheDataRow row, CacheDataRow prevRow, boolean prevRowAvailable) Updates table for given key.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GridH2Table

public GridH2Table(CreateTableData createTblData,
                   GridH2RowDescriptor desc,
                   H2RowFactory rowFactory,
                   GridH2SystemIndexFactory idxsFactory,
                   GridCacheContext cctx)

Creates table.

Parameters:

createTblData - Table description.

desc - Row descriptor.

rowFactory - Row factory.

idxsFactory - Indexes factory.

cctx - Cache context.

Method Detail

isPartitioned

public boolean isPartitioned()

Returns:

true If this is a partitioned table.

getAffinityKeyColumn

public IndexColumn getAffinityKeyColumn()

Returns:

Affinity key column or null if not available.

getDiskSpaceUsed

public long getDiskSpaceUsed()

rowDescriptor

public GridH2RowDescriptor rowDescriptor()

Returns:

Row descriptor.

cacheName

public String cacheName()

Returns:

Cache name.

cacheId

public int cacheId()

Returns:

Cache ID.

cache

public GridCacheContext cache()

Returns:

Cache context.

lock

public boolean lock(Session ses,
                    boolean exclusive,
                    boolean force)

identifier

public QueryTable identifier()

Returns:

Table identifier.

identifierString

public String identifierString()

Returns:

Table identifier as string.

close

public void close(Session ses)

removeChildrenAndResources

public void removeChildrenAndResources(Session ses)

destroy

public void destroy()

Destroy the table.

setRemoveIndexOnDestroy

public void setRemoveIndexOnDestroy(boolean rmIndex)

If flag True, index will be destroyed when table destroy().

Parameters:

rmIndex - Flag indicate remove index on destroy or not.

unlock

public void unlock(Session ses)

update

public void update(CacheDataRow row,
                   CacheDataRow prevRow,
                   boolean prevRowAvailable)
            throws IgniteCheckedException

Updates table for given key. If value is null then row with given key will be removed from table, otherwise value and expiration time will be updated or new row will be added.

Parameters:

row - Row to be updated.

prevRow - Previous row.

prevRowAvailable - Whether previous row is available.

Throws:

IgniteCheckedException - If failed.

remove

public boolean remove(CacheDataRow row)
               throws IgniteCheckedException

Remove row.

Parameters:

row - Row.

Returns:

True if was removed.

Throws:

IgniteCheckedException - If failed.

collectIndexesForPartialRebuild

public void collectIndexesForPartialRebuild(IndexRebuildPartialClosure clo)

Collect indexes for rebuild.

Parameters:

clo - Closure.

markRebuildFromHashInProgress

public void markRebuildFromHashInProgress(boolean value)

Mark or unmark index rebuild state.

rebuildFromHashInProgress

public boolean rebuildFromHashInProgress()

addIndex

public Index addIndex(Session ses,
                      String idxName,
                      int idxId,
                      IndexColumn[] cols,
                      IndexType idxType,
                      boolean create,
                      String idxComment)

proposeUserIndex

public void proposeUserIndex(Index idx)
                      throws IgniteCheckedException

Add index that is in an intermediate state and is still being built, thus is not used in queries until it is promoted.

Parameters:

idx - Index to add.

Throws:

IgniteCheckedException - If failed.

rollbackUserIndex

public void rollbackUserIndex(String idxName)

Remove user index without promoting it.

Parameters:

idxName - Index name.

containsUserIndex

public boolean containsUserIndex(String idxName)

Check whether user index with provided name exists.

Parameters:

idxName - Index name.

Returns:

True if exists.

removeIndex

public void removeIndex(Index h2Idx)

removeIndex

public void removeIndex(Session session,
                        Index h2Idx)

Remove the given index from the list.

Parameters:

h2Idx - the index to remove

removeRow

public void removeRow(Session ses,
                      Row row)

truncate

public void truncate(Session ses)

addRow

public void addRow(Session ses,
                   Row row)

checkSupportAlter

public void checkSupportAlter()

getTableType

public TableType getTableType()

getScanIndex

public Index getScanIndex(Session ses)

getUniqueIndex

public Index getUniqueIndex()

getIndexes

public ArrayList<Index> getIndexes()

isLockedExclusively

public boolean isLockedExclusively()

isLockedExclusivelyBy

public boolean isLockedExclusivelyBy(Session ses)

getMaxDataModificationId

public long getMaxDataModificationId()

isDeterministic

public boolean isDeterministic()

canGetRowCount

public boolean canGetRowCount()

canDrop

public boolean canDrop()

getRowCount

public long getRowCount(Session ses)

getRowCountApproximation

public long getRowCountApproximation()

checkRename

public void checkRename()

indexColumn

public IndexColumn indexColumn(int col,
                               int sorting)

Creates index column for table.

Parameters:

col - Column index.

sorting - Sorting order SortOrder

Returns:

Created index column.

rowFactory

public H2RowFactory rowFactory()

Returns:

Data store.

addColumns

public void addColumns(List<QueryField> cols,
                       boolean ifNotExists)

Add new columns to this table.

Parameters:

cols - Columns to add.

ifNotExists - Ignore this command if cols has size of 1 and column with given name already exists.

dropColumns

public void dropColumns(List<String> cols,
                        boolean ifExists)

Drop columns.

Parameters:

cols - Columns.

ifExists - If EXISTS flag.

getColumns

public Column[] getColumns()

insertHack

public static void insertHack(boolean val)

Set insert hack flag.

Parameters:

val - Value.

insertHackRequired

public static boolean insertHackRequired(String sql)

Check whether insert hack is required. This is true in case statement contains "INSERT INTO ... VALUES".

Parameters:

sql - SQL statement.

Returns:

True if target combination is found.