org.tmatesoft.sqljet.core.internal.table

Interface ISqlJetBtreeIndexTable

All Superinterfaces:

ISqlJetBtreeTable

All Known Implementing Classes:

SqlJetBtreeIndexTable

public interface ISqlJetBtreeIndexTable
extends ISqlJetBtreeTable

Method Summary

Modifier and Type	Method and Description
boolean	checkKey(java.lang.Object... key) Check current record against key.
int	compareKey(java.lang.Object[] key)
int	compareKeys(java.lang.Object[] firstKey, java.lang.Object[] lastKey)
boolean	delete(long rowId, java.lang.Object... key) Delete entry which matches to key and point to given rowId.
long	getKeyRowId()
void	insert(long rowId, boolean append, java.lang.Object... key) Writes key into the index.
long	lookup(boolean next, java.lang.Object... values) Lookup index entry by key values.
long	lookupLastNear(java.lang.Object[] key)
long	lookupNear(boolean next, java.lang.Object[] key)

Methods inherited from interface org.tmatesoft.sqljet.core.internal.table.ISqlJetBtreeTable

clear, close, delete, eof, first, getBlob, getEncoding, getFieldsCount, getFieldType, getFloat, getInteger, getKeySize, getRecord, getString, getValue, getValues, hasMoved, insert, isNull, last, lock, lockTable, moveTo, newRowId, newRowId, next, popState, previous, pushState, unlock

Method Detail

lookup

long lookup(boolean next,
            java.lang.Object... values)
     throws SqlJetException

Lookup index entry by key values. If 'next' is true then just check next entry in index.

Parameters:

next - just check next index entry

values - the key values

Returns:

Throws:

SqlJetException

insert

void insert(long rowId,
            boolean append,
            java.lang.Object... key)
     throws SqlJetException

Writes key into the index. Data for the entry is nil. Append flag that provides a hint to the b-tree layer that this insert is likely to be an append.

Parameters:

rowId -

append -

key -

Throws:

SqlJetException

delete

boolean delete(long rowId,
               java.lang.Object... key)
        throws SqlJetException

Delete entry which matches to key and point to given rowId.

Parameters:

rowId -

key -

Returns:

true if there was deleted entry which matches to key.

Throws:

SqlJetException

checkKey

boolean checkKey(java.lang.Object... key)
          throws SqlJetException

Check current record against key.

Parameters:

key -

Returns:

Throws:

SqlJetException

getKeyRowId

long getKeyRowId()
          throws SqlJetException

Throws:

SqlJetException

compareKey

int compareKey(java.lang.Object[] key)
        throws SqlJetException

Parameters:

key -

Returns:

Throws:

SqlJetException

lookupNear

long lookupNear(boolean next,
                java.lang.Object[] key)
         throws SqlJetException

Parameters:

b -

key -

Returns:

Throws:

SqlJetException

lookupLastNear

long lookupLastNear(java.lang.Object[] key)
             throws SqlJetException

Parameters:

key -

Returns:

Throws:

SqlJetException

compareKeys

int compareKeys(java.lang.Object[] firstKey,
                java.lang.Object[] lastKey)
         throws SqlJetException

Parameters:

firstKey -

lastKey -

Returns:

Throws:

SqlJetException