Command

Represents a SQL statement. This object is only used on the server side.

Methods
boolean	canReuse() Whether the command is already closed (in which case it can be re-used).
boolean	canReuse() Whether the command is already closed (in which case it can be re-used). Returns: true if it can be re-used
void	cancel()
void	cancel()
void	checkCanceled() Check if this command has been canceled, and throw an exception if yes.
void	checkCanceled() Check if this command has been canceled, and throw an exception if yes. Throws: DbException - if the statement has been canceled
void	close()
void	close()
ResultInterface	executeQuery(int maxrows, boolean scrollable) Execute a query and return the result.
ResultInterface	executeQuery(int maxrows, boolean scrollable) Execute a query and return the result. This method prepares everything and calls {@link #query(int)} finally. Parameters: maxrows - the maximum number of rows to return scrollable - if the result set must be scrollable (ignored) Returns: the result set
ResultWithGeneratedKeys	executeUpdate(Object generatedKeysRequest)
ResultWithGeneratedKeys	executeUpdate(Object generatedKeysRequest)
ResultInterface	getMetaData()
ResultInterface	getMetaData()
ArrayList	getParameters() Get the list of parameters.
ArrayList	getParameters() Get the list of parameters. Returns: the list of parameters
boolean	isCacheable()
boolean	isCacheable()
boolean	isQuery() Check if this command is a query.
boolean	isQuery() Check if this command is a query. Returns: true if it is
boolean	isReadOnly() Check if this command is read only.
boolean	isReadOnly() Check if this command is read only. Returns: true if it is
boolean	isTransactional() Check if this command is transactional.
boolean	isTransactional() Check if this command is transactional. If it is not, then it forces the current transaction to commit. Returns: true if it is
void	prepareJoinBatch() Prepare join batching.
void	prepareJoinBatch() Prepare join batching.
ResultInterface	query(int maxrows) Execute a query statement, if this is possible.
ResultInterface	query(int maxrows) Execute a query statement, if this is possible. Parameters: maxrows - the maximum number of rows returned Returns: the local result set Throws: DbException - if the command is not a query
ResultInterface	queryMeta() Get an empty result set containing the meta data.
ResultInterface	queryMeta() Get an empty result set containing the meta data. Returns: an empty result set
void	reuse() The command is now re-used, therefore reset the canReuse flag, and the parameter values.
void	reuse() The command is now re-used, therefore reset the canReuse flag, and the parameter values.
void	setCanReuse(boolean canReuse)
void	setCanReuse(boolean canReuse)
void	setProgress(int state)
void	setProgress(int state)
void	start() Start the stopwatch.
void	start() Start the stopwatch.
void	stop()
void	stop()
String	toString()
String	toString()
int	update() Execute an updating statement (for example insert, delete, or update), if this is possible.
int	update() Execute an updating statement (for example insert, delete, or update), if this is possible. Returns: the update count Throws: DbException - if the command is not an updating statement