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

Class GridH2ProxyIndex

java.lang.Object

org.h2.engine.DbObjectBase

org.h2.schema.SchemaObjectBase

org.h2.index.BaseIndex

org.apache.ignite.internal.processors.query.h2.opt.H2IndexCostedBase

org.apache.ignite.internal.processors.query.h2.opt.GridH2ProxyIndex

All Implemented Interfaces:

org.h2.engine.DbObject, org.h2.index.Index, org.h2.schema.SchemaObject

Direct Known Subclasses:

GridH2ProxySpatialIndex

public class GridH2ProxyIndex
extends H2IndexCostedBase

Allows to have 'free' index for alias columns Delegates the calls to underlying normal index

Field Summary

Fields

Modifier and Type	Field and Description
protected org.h2.index.Index	idx Underlying normal index

Fields inherited from class org.apache.ignite.internal.processors.query.h2.opt.H2IndexCostedBase

tbl

Fields inherited from class org.h2.index.BaseIndex

columnIds, columns, indexColumns, indexType, isMultiVersion, table

Fields inherited from class org.h2.engine.DbObjectBase

comment, database, trace

Fields inherited from interface org.h2.engine.DbObject

AGGREGATE, COMMENT, CONSTANT, CONSTRAINT, FUNCTION_ALIAS, INDEX, RIGHT, ROLE, SCHEMA, SEQUENCE, SETTING, SYNONYM, TABLE_OR_VIEW, TRIGGER, USER, USER_DATATYPE

Constructor Summary

Constructors

Constructor and Description
GridH2ProxyIndex(GridH2Table tbl, String name, List<org.h2.table.IndexColumn> colsList, org.h2.index.Index idx)

Method Summary

Modifier and Type	Method and Description
void	add(org.h2.engine.Session session, org.h2.result.Row row)
boolean	canGetFirstOrLast()
void	checkRename()
void	close(org.h2.engine.Session session)
org.h2.index.IndexLookupBatch	createLookupBatch(org.h2.table.TableFilter[] filters, int filter)
org.h2.index.Cursor	find(org.h2.engine.Session session, org.h2.result.SearchRow first, org.h2.result.SearchRow last)
org.h2.index.Cursor	findFirstOrLast(org.h2.engine.Session session, boolean first)
double	getCost(org.h2.engine.Session session, int[] masks, org.h2.table.TableFilter[] filters, int filter, org.h2.result.SortOrder sortOrder, HashSet<org.h2.table.Column> allColumnsSet)
long	getDiskSpaceUsed()
long	getRowCount(org.h2.engine.Session session)
long	getRowCountApproximation()
boolean	needRebuild()
static org.h2.result.SearchRow	prepareProxyIndexRow(GridQueryRowDescriptor desc, org.h2.result.SearchRow row) Clones provided row and copies values of alias key and val columns into respective key and val positions.
void	remove(org.h2.engine.Session session)
void	remove(org.h2.engine.Session session, org.h2.result.Row row)
void	truncate(org.h2.engine.Session session)
org.h2.index.Index	underlyingIndex()

Methods inherited from class org.apache.ignite.internal.processors.query.h2.opt.H2IndexCostedBase

getCostRangeIndex

Methods inherited from class org.h2.index.BaseIndex

canFindNext, canScan, checkIndexColumnTypes, commit, compareRows, find, findNext, getColumnIndex, getColumns, getCostRangeIndex, getCreateSQL, getCreateSQLForCopy, getDropSQL, getDuplicateKeyException, getIndexColumns, getIndexType, getPlanSQL, getRow, getTable, getType, initBaseIndex, isFindUsingFullTableScan, isFirstColumn, isHidden, isRowIdIndex, mayHaveNullDuplicates, removeChildrenAndResources, setSortedInsertMode

Methods inherited from class org.h2.schema.SchemaObjectBase

getSchema, getSQL, initSchemaObjectBase

Methods inherited from class org.h2.engine.DbObjectBase

getChildren, getComment, getDatabase, getId, getModificationId, getName, initDbObjectBase, invalidate, isTemporary, isValid, rename, setComment, setModified, setObjectName, setTemporary, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.h2.schema.SchemaObject

getSchema

Methods inherited from interface org.h2.engine.DbObject

getChildren, getComment, getDatabase, getId, getName, getSQL, isTemporary, rename, setComment, setTemporary

Field Detail

idx

protected org.h2.index.Index idx

Underlying normal index

Constructor Detail

GridH2ProxyIndex

public GridH2ProxyIndex(GridH2Table tbl,
                        String name,
                        List<org.h2.table.IndexColumn> colsList,
                        org.h2.index.Index idx)

Parameters:

tbl - Table.

name - Name of the proxy index.

colsList - Column list for the proxy index.

idx - Target index.

Method Detail

underlyingIndex

public org.h2.index.Index underlyingIndex()

Returns:

Underlying index.

checkRename

public void checkRename()

Specified by:

checkRename in interface org.h2.engine.DbObject

Specified by:

checkRename in class org.h2.engine.DbObjectBase

close

public void close(org.h2.engine.Session session)

add

public void add(org.h2.engine.Session session,
                org.h2.result.Row row)

remove

public void remove(org.h2.engine.Session session,
                   org.h2.result.Row row)

find

public org.h2.index.Cursor find(org.h2.engine.Session session,
                                org.h2.result.SearchRow first,
                                org.h2.result.SearchRow last)

getCost

public double getCost(org.h2.engine.Session session,
                      int[] masks,
                      org.h2.table.TableFilter[] filters,
                      int filter,
                      org.h2.result.SortOrder sortOrder,
                      HashSet<org.h2.table.Column> allColumnsSet)

remove

public void remove(org.h2.engine.Session session)

truncate

public void truncate(org.h2.engine.Session session)

canGetFirstOrLast

public boolean canGetFirstOrLast()

findFirstOrLast

public org.h2.index.Cursor findFirstOrLast(org.h2.engine.Session session,
                                           boolean first)

needRebuild

public boolean needRebuild()

getRowCount

public long getRowCount(org.h2.engine.Session session)

getRowCountApproximation

public long getRowCountApproximation()

getDiskSpaceUsed

public long getDiskSpaceUsed()

createLookupBatch

public org.h2.index.IndexLookupBatch createLookupBatch(org.h2.table.TableFilter[] filters,
                                                       int filter)

Specified by:

createLookupBatch in interface org.h2.index.Index

Overrides:

createLookupBatch in class org.h2.index.BaseIndex

prepareProxyIndexRow

public static org.h2.result.SearchRow prepareProxyIndexRow(GridQueryRowDescriptor desc,
                                                           org.h2.result.SearchRow row)

Clones provided row and copies values of alias key and val columns into respective key and val positions.

Parameters:

desc - Row descriptor.

row - Source row.

Returns:

Result.