org.hsqldb.index

Class IndexAVLMemory

java.lang.Object

org.hsqldb.index.IndexAVL

org.hsqldb.index.IndexAVLMemory

All Implemented Interfaces:

Index, SchemaObject

public class IndexAVLMemory
extends IndexAVL

Implementation of an AVL for memory tables.

New class derived from Hypersonic SQL code and enhanced in HSQLDB.

Since:

Hypersonic SQL

Nested Class Summary

Nested classes/interfaces inherited from class org.hsqldb.index.IndexAVL

IndexAVL.IndexRowIterator

Nested classes/interfaces inherited from interface org.hsqldb.index.Index

Index.IndexUse

Nested classes/interfaces inherited from interface org.hsqldb.SchemaObject

SchemaObject.ConstraintTypes, SchemaObject.Deferable, SchemaObject.Nullability, SchemaObject.ParameterModes, SchemaObject.ReferentialAction, SchemaObject.ViewCheckModes

Field Summary

Fields inherited from interface org.hsqldb.index.Index

cachedFactor, emptyArray, emptyUseArray, INDEX_NON_UNIQUE, INDEX_NONE, INDEX_UNIQUE, minimumSelectivity, probeDepth

Fields inherited from interface org.hsqldb.SchemaObject

ASSERTION, CATALOG, CHARSET, COLLATION, COLUMN, CONSTRAINT, CURSOR, DOMAIN, FUNCTION, GRANTEE, INDEX, LABEL, PARAMETER, PROCEDURE, ROUTINE, SCHEMA, SEARCH, SEQUENCE, SERVER, SPECIFIC_ROUTINE, SUBQUERY, TABLE, TRANSITION, TRIGGER, TYPE, VARIABLE, VIEW, WRAPPER

Constructor Summary

Constructors

Constructor and Description
IndexAVLMemory(HsqlNameManager.HsqlName name, long id, TableBase table, int[] columns, boolean[] descending, boolean[] nullsLast, Type[] colTypes, boolean pk, boolean unique, boolean constraint, boolean forward) Constructor declaration

Method Summary

Modifier and Type	Method and Description
void	checkIndex(PersistentStore store)
void	insert(Session session, PersistentStore store, Row row) Insert a node into the index

Methods inherited from class org.hsqldb.index.IndexAVL

asArray, compareRow, compareRowForChange, compareRowNonUnique, compareRowNonUnique, compareRowNonUnique, compile, delete, emptyIterator, existsParent, findFirstRow, findFirstRow, findFirstRow, findFirstRowNotNull, firstRow, firstRow, getCatalogName, getChangeTimestamp, getColumnCount, getColumnDesc, getColumns, getColumnTypes, getComponents, getDefaultColumnMap, getIndexOrderValue, getName, getNodeCount, getOwner, getPersistenceId, getPosition, getReferences, getSchemaName, getSQL, getType, isClustered, isConstraint, isEmpty, isForward, isUnique, lastRow, searchCost, setClustered, setPosition, setTable, size, sizeUnique, unlinkNodes

Methods inherited from class java.lang.Object

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

Constructor Detail

IndexAVLMemory

public IndexAVLMemory(HsqlNameManager.HsqlName name,
                      long id,
                      TableBase table,
                      int[] columns,
                      boolean[] descending,
                      boolean[] nullsLast,
                      Type[] colTypes,
                      boolean pk,
                      boolean unique,
                      boolean constraint,
                      boolean forward)

Constructor declaration

Parameters:

name - HsqlName of the index

id - persistnece id

table - table of the index

columns - array of column indexes

descending - boolean[]

nullsLast - boolean[]

colTypes - array of column types

pk - if index is for a primary key

unique - is this a unique index

constraint - does this index belonging to a constraint

forward - is this an auto-index for an FK that refers to a table defined after this table

Method Detail

checkIndex

public void checkIndex(PersistentStore store)

Specified by:

checkIndex in interface Index

Overrides:

checkIndex in class IndexAVL

insert

public void insert(Session session,
                   PersistentStore store,
                   Row row)

Insert a node into the index

Specified by:

insert in interface Index

Overrides:

insert in class IndexAVL