Package org.sqlite.core

Class CoreResultSet

java.lang.Object

org.sqlite.core.CoreResultSet

All Implemented Interfaces:

Codes

Direct Known Subclasses:

JDBC3ResultSet

public abstract class CoreResultSet
extends Object
implements Codes

Implements a JDBC ResultSet.

Field Summary

Fields

Modifier and Type	Field	Description
boolean	closeStmt
String[]	cols	if null, the RS is closed()
String[]	colsMeta	same as cols, but used by Meta interface
protected Map<String,Integer>	columnNameToIndex
boolean	emptyResultSet	If the result set does not have any rows.
protected int	lastCol	last column accessed, for wasNull(). -1 if none
protected int	limitRows	0 means no limit, must check against maxRows
long	maxRows	Maximum number of rows as set by a Statement
protected boolean[][]	meta
boolean	open	If the result set is open.
protected boolean	pastLastRow
protected int	row	number of current row, starts at 1 (0 is for before loading data)
protected CoreStatement	stmt

Fields inherited from interface org.sqlite.core.Codes

SQLITE_ABORT, SQLITE_AUTH, SQLITE_BLOB, SQLITE_BUSY, SQLITE_CANTOPEN, SQLITE_CONSTRAINT, SQLITE_CORRUPT, SQLITE_DONE, SQLITE_EMPTY, SQLITE_ERROR, SQLITE_FLOAT, SQLITE_FULL, SQLITE_INTEGER, SQLITE_INTERNAL, SQLITE_INTERRUPT, SQLITE_IOERR, SQLITE_LOCKED, SQLITE_MISMATCH, SQLITE_MISUSE, SQLITE_NOLFS, SQLITE_NOMEM, SQLITE_NOTFOUND, SQLITE_NULL, SQLITE_OK, SQLITE_PERM, SQLITE_PROTOCOL, SQLITE_READONLY, SQLITE_ROW, SQLITE_SCHEMA, SQLITE_TEXT, SQLITE_TOOBIG

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	CoreResultSet(CoreStatement stmt)	Default constructor for a given statement.

Method Summary

Modifier and Type	Method	Description
protected int	addColumnIndexInCache(String col, int index)
int	checkCol(int col)	Takes col in [1,x] form, returns in [0,x-1] form
void	checkMeta()
protected void	checkOpen()
void	close()
protected Integer	findColumnIndexInCache(String col)
protected SQLiteConnectionConfig	getConnectionConfig()
protected DB	getDatabase()
boolean	isOpen()	Checks the status of the result set.
protected int	markCol(int col)	Takes col in [1,x] form, marks it as last accessed and returns [0,x-1]

Methods inherited from class java.lang.Object

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

Field Detail

stmt

protected final CoreStatement stmt

emptyResultSet

public boolean emptyResultSet

If the result set does not have any rows.

open

public boolean open

If the result set is open. Doesn't mean it has results.

maxRows

public long maxRows

Maximum number of rows as set by a Statement

cols

public String[] cols

if null, the RS is closed()

colsMeta

public String[] colsMeta

same as cols, but used by Meta interface

meta

protected boolean[][] meta

limitRows

protected int limitRows

0 means no limit, must check against maxRows

row

protected int row

number of current row, starts at 1 (0 is for before loading data)

pastLastRow

protected boolean pastLastRow

lastCol

protected int lastCol

last column accessed, for wasNull(). -1 if none

closeStmt

public boolean closeStmt

columnNameToIndex

protected Map<String,Integer> columnNameToIndex

Constructor Detail

CoreResultSet

protected CoreResultSet(CoreStatement stmt)

Default constructor for a given statement.

Parameters:

stmt - The statement.

Method Detail

getDatabase

protected DB getDatabase()

getConnectionConfig

protected SQLiteConnectionConfig getConnectionConfig()

isOpen

public boolean isOpen()

Checks the status of the result set.

Returns:

True if has results and can iterate them; false otherwise.

checkOpen

protected void checkOpen()
                  throws SQLException

Throws:

SQLException - if ResultSet is not open.

checkCol

public int checkCol(int col)
             throws SQLException

Takes col in [1,x] form, returns in [0,x-1] form

Parameters:

col -

Returns:

Throws:

SQLException

markCol

protected int markCol(int col)
               throws SQLException

Takes col in [1,x] form, marks it as last accessed and returns [0,x-1]

Parameters:

col -

Returns:

Throws:

SQLException

checkMeta

public void checkMeta()
               throws SQLException

Throws:

SQLException

close

public void close()
           throws SQLException

Throws:

SQLException

findColumnIndexInCache

protected Integer findColumnIndexInCache(String col)

addColumnIndexInCache

protected int addColumnIndexInCache(String col,
                                    int index)