org.h2gis.functions.io.file_table

Class H2TableIndex

java.lang.Object

org.h2.engine.DbObjectBase

org.h2.schema.SchemaObjectBase

org.h2.index.BaseIndex

org.h2gis.functions.io.file_table.H2TableIndex

All Implemented Interfaces:

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

public class H2TableIndex
extends org.h2.index.BaseIndex

ScanIndex of org.h2gis.drivers.FileDriver, the key is the row index [1-n].

Author:

Nicolas Fortin

Field Summary

Fields

Modifier and Type	Field and Description
static String	PK_COLUMN_NAME

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
H2TableIndex(org.h2gis.api.FileDriver driver, org.h2.table.Table table, int id) Constructor for scan index.
H2TableIndex(org.h2gis.api.FileDriver driver, org.h2.table.Table table, int id, org.h2.table.Column PKColumn, String indexName) Constructor for primary key index.

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.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[] tableFilters, int filter, org.h2.result.SortOrder sortOrder, HashSet<org.h2.table.Column> allColumnsSet)
long	getDiskSpaceUsed()
org.h2gis.api.FileDriver	getDriver()
org.h2.result.Row	getRow(org.h2.engine.Session session, long key)
long	getRowCount(org.h2.engine.Session session)
long	getRowCountApproximation()
boolean	isRowIdIndex()
boolean	needRebuild()
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)

Methods inherited from class org.h2.index.BaseIndex

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

PK_COLUMN_NAME

public static final String PK_COLUMN_NAME

See Also:

Constant Field Values

Constructor Detail

H2TableIndex

public H2TableIndex(org.h2gis.api.FileDriver driver,
                    org.h2.table.Table table,
                    int id)

Constructor for scan index. Hidden column _ROWID_.

Parameters:

driver - Linked file driver

table - Linked table

id - Index identifier

H2TableIndex

public H2TableIndex(org.h2gis.api.FileDriver driver,
                    org.h2.table.Table table,
                    int id,
                    org.h2.table.Column PKColumn,
                    String indexName)

Constructor for primary key index.

Parameters:

driver - Linked file driver

table - Linked table

id - Index identifier

PKColumn - Primary key column declaration

indexName - Unique index name

Method Detail

checkRename

public void checkRename()

Specified by:

checkRename in interface org.h2.engine.DbObject

Specified by:

checkRename in class org.h2.engine.DbObjectBase

getDriver

public org.h2gis.api.FileDriver getDriver()

getRow

public org.h2.result.Row getRow(org.h2.engine.Session session,
                                long key)

Specified by:

getRow in interface org.h2.index.Index

Overrides:

getRow in class org.h2.index.BaseIndex

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[] tableFilters,
                      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()

isRowIdIndex

public boolean isRowIdIndex()

Specified by:

isRowIdIndex in interface org.h2.index.Index

Overrides:

isRowIdIndex in class org.h2.index.BaseIndex