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

Class GridMergeIndexUnsorted

java.lang.Object

org.h2.engine.DbObjectBase

org.h2.schema.SchemaObjectBase

org.h2.index.BaseIndex

org.apache.ignite.internal.processors.query.h2.twostep.GridMergeIndex

org.apache.ignite.internal.processors.query.h2.twostep.GridMergeIndexUnsorted

All Implemented Interfaces:

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

public final class GridMergeIndexUnsorted
extends GridMergeIndex

Unsorted merge index.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.ignite.internal.processors.query.h2.twostep.GridMergeIndex

GridMergeIndex.FetchingCursor, GridMergeIndex.Pollable<E>

Field Summary

Fields inherited from class org.apache.ignite.internal.processors.query.h2.twostep.GridMergeIndex

firstRowCmp, lastRowCmp

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, TABLE_OR_VIEW, TRIGGER, USER, USER_DATATYPE

Constructor Summary

Constructors

Constructor and Description
GridMergeIndexUnsorted(GridKernalContext ctx, GridMergeTable tbl, String name)

Method Summary

Modifier and Type	Method and Description
protected void	addPage0(GridResultPage page)
static GridMergeIndexUnsorted	createDummy(GridKernalContext ctx)
boolean	fetchedAll()
protected org.h2.index.Cursor	findAllFetched(List<org.h2.result.Row> fetched, org.h2.result.SearchRow first, org.h2.result.SearchRow last)
protected org.h2.index.Cursor	findInStream(org.h2.result.SearchRow first, org.h2.result.SearchRow last)
double	getCost(org.h2.engine.Session ses, int[] masks, org.h2.table.TableFilter[] filters, int filter, org.h2.result.SortOrder sortOrder, HashSet<org.h2.table.Column> allColumnsSet)
void	setSources(Collection<ClusterNode> nodes, int segmentsCnt) Set source nodes.

Methods inherited from class org.apache.ignite.internal.processors.query.h2.twostep.GridMergeIndex

add, addPage, binarySearchRow, canGetFirstOrLast, checkBounds, checkRename, close, createDummyLastPage, fail, fail, find, findFirstOrLast, getDiskSpaceUsed, getRowCount, getRowCountApproximation, hasSource, needRebuild, pollNextIterator, remove, remove, setPageSize, sources, truncate

Methods inherited from class org.h2.index.BaseIndex

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

Constructor Detail

GridMergeIndexUnsorted

public GridMergeIndexUnsorted(GridKernalContext ctx,
                              GridMergeTable tbl,
                              String name)

Parameters:

ctx - Context.

tbl - Table.

name - Index name.

Method Detail

createDummy

public static GridMergeIndexUnsorted createDummy(GridKernalContext ctx)

Parameters:

ctx - Context.

Returns:

Dummy index instance.

setSources

public void setSources(Collection<ClusterNode> nodes,
                       int segmentsCnt)

Set source nodes.

Overrides:

setSources in class GridMergeIndex

Parameters:

nodes - Nodes.

segmentsCnt - Index segments per table.

fetchedAll

public boolean fetchedAll()

Specified by:

fetchedAll in class GridMergeIndex

Returns:

true If we have fetched all the remote rows into a fetched list.

addPage0

protected void addPage0(GridResultPage page)

Specified by:

addPage0 in class GridMergeIndex

Parameters:

page - Page.

getCost

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

findAllFetched

protected org.h2.index.Cursor findAllFetched(List<org.h2.result.Row> fetched,
                                             org.h2.result.SearchRow first,
                                             org.h2.result.SearchRow last)

Specified by:

findAllFetched in class GridMergeIndex

Parameters:

fetched - Fetched rows.

first - Lower bound.

last - Upper bound.

Returns:

Cursor.

findInStream

protected org.h2.index.Cursor findInStream(org.h2.result.SearchRow first,
                                           org.h2.result.SearchRow last)

Specified by:

findInStream in class GridMergeIndex

Parameters:

first - Lower bound.

last - Upper bound.

Returns:

Cursor. Usually it must be GridMergeIndex.FetchingCursor instance.