Package org.firebirdsql.jdbc

Interface FirebirdStatement

All Superinterfaces:

java.lang.AutoCloseable, java.sql.Statement, java.sql.Wrapper

All Known Subinterfaces:

FirebirdCallableStatement, FirebirdPreparedStatement

All Known Implementing Classes:

FBCallableStatement, FBPreparedStatement, FBStatement

public interface FirebirdStatement
extends java.sql.Statement

Firebird-specific extensions to the Statement interface.

Author:

Roman Rokytskyy

Field Summary

Fields inherited from interface java.sql.Statement

CLOSE_ALL_RESULTS, CLOSE_CURRENT_RESULT, EXECUTE_FAILED, KEEP_CURRENT_RESULT, NO_GENERATED_KEYS, RETURN_GENERATED_KEYS, SUCCESS_NO_INFO

Method Summary

Modifier and Type	Method	Description
java.sql.ResultSet	getCurrentResultSet()	Get current result set.
int	getDeletedRowsCount()	Get number of deleted rows.
int	getInsertedRowsCount()	Get number of inserted rows.
java.lang.String	getLastExecutionPlan()	Get execution plan for the last executed statement.
java.lang.String	getLastExplainedExecutionPlan()	Get detailed execution plan for the last executed statement.
int	getLocalStatementId()	The local statement id is intended to identify the statement for internal implementation purposes.
int	getUpdatedRowsCount()	Get number of updated rows.
boolean	hasOpenResultSet()	Check if this statement has open result set.
boolean	isValid()	Check if this statement is valid.

Methods inherited from interface java.sql.Statement

addBatch, cancel, clearBatch, clearWarnings, close, closeOnCompletion, enquoteIdentifier, enquoteLiteral, enquoteNCharLiteral, execute, execute, execute, execute, executeBatch, executeLargeBatch, executeLargeUpdate, executeLargeUpdate, executeLargeUpdate, executeLargeUpdate, executeQuery, executeUpdate, executeUpdate, executeUpdate, executeUpdate, getConnection, getFetchDirection, getFetchSize, getGeneratedKeys, getLargeMaxRows, getLargeUpdateCount, getMaxFieldSize, getMaxRows, getMoreResults, getMoreResults, getQueryTimeout, getResultSet, getResultSetConcurrency, getResultSetHoldability, getResultSetType, getUpdateCount, getWarnings, isClosed, isCloseOnCompletion, isPoolable, isSimpleIdentifier, setCursorName, setEscapeProcessing, setFetchDirection, setFetchSize, setLargeMaxRows, setMaxFieldSize, setMaxRows, setPoolable, setQueryTimeout

Methods inherited from interface java.sql.Wrapper

isWrapperFor, unwrap

Method Detail

getInsertedRowsCount

int getInsertedRowsCount()
                  throws java.sql.SQLException

Get number of inserted rows. You can call this method multiple times, it does not affect the JDBC result number.

Returns:

number of inserted rows or -1 if current result is result set.

Throws:

java.sql.SQLException - if database error occurs.

getUpdatedRowsCount

int getUpdatedRowsCount()
                 throws java.sql.SQLException

Get number of updated rows. You can call this method multiple times, it does not affect the JDBC result number.

Returns:

number of updated rows or -1 if current result is result set.

Throws:

java.sql.SQLException - if database error occurs.

getDeletedRowsCount

int getDeletedRowsCount()
                 throws java.sql.SQLException

Get number of deleted rows. You can call this method multiple times, it does not affect the JDBC result number.

Returns:

number of deleted rows or -1 if current result is result set.

Throws:

java.sql.SQLException - if database error occurs.

hasOpenResultSet

boolean hasOpenResultSet()

Check if this statement has open result set. Note, this method works correctly if auto-commit is disabled. In auto-commit mode it will always return false because from the statement's point of view result set is not open (in auto-commit mode complete result set is fetched and cached in wrapping object before returning from the Statement.getResultSet() method).

Returns:

true if there's already open result set associated with this statement, otherwise false.

getCurrentResultSet

java.sql.ResultSet getCurrentResultSet()
                                throws java.sql.SQLException

Get current result set. Behaviour of this method is similar to the behavior of the Statement.getResultSet(), except that this method can be called as much as you like.

Returns:

instance of ResultSet representing current result set or null if it is not available.

Throws:

java.sql.SQLException - if database access error happened.

isValid

boolean isValid()

Check if this statement is valid.

Returns:

true if statement is valid and can be used to execute SQL.

getLastExecutionPlan

java.lang.String getLastExecutionPlan()
                               throws java.sql.SQLException

Get execution plan for the last executed statement. Unlike the FirebirdPreparedStatement.getExecutionPlan(), this method can be called only after executing a query or update statement.

Returns:

execution plan returned by the server.

Throws:

java.sql.SQLException - if no statement was executed before calling this method, statement is not valid, or there was an error when obtaining the execution plan.

getLastExplainedExecutionPlan

java.lang.String getLastExplainedExecutionPlan()
                                        throws java.sql.SQLException

Get detailed execution plan for the last executed statement. More structured and comprehensible form. Can be called only after executing a query or update statement.

Returns:

detailed execution plan returned by the server.

Throws:

java.sql.SQLException - if no statement was executed before calling this method, statement is not valid, or there was an error when obtaining the execution plan.

getLocalStatementId

int getLocalStatementId()

The local statement id is intended to identify the statement for internal implementation purposes.

NOTE: This method is only included in this interface to try and avoid problems with proxied and bytecode enhanced classes in certain libraries, you should normally have no reason to call this method directly.

The id is expected - but not guaranteed - to be unique for a single connection, and - preferably - for the entire JVM run time as well.

Returns:

The local statement id.