Apache Derby Database Engine and Embedded JDBC Driver 10.17.1.0 · org.apache.derby.impl.sql.compile.OptTraceViewer

Access	Constructor and Description
public	OptTraceViewer() 0-arg constructor required by the OptionalTool contract

Method Summary

Modifier and Type	Method and Description
private void	executeDDL(Connection conn, String text)
private Connection	getDerbyConnection()
public void	loadTool(String... configurationParameters) Implements org.apache.derby.iapi.sql.dictionary.OptionalTool.loadTool. Takes the following arguments: fileURL - The url of the file holding the xml trace. E.g.: "file:///Users/me/mainline/z.txt"
private PreparedStatement	prepareStatement(Connection conn, String text)
public void	unloadTool(String... configurationParameters) Implements org.apache.derby.iapi.sql.dictionary.OptionalTool.unloadTool. Drop the schema objects which were created for viewing the xml file containing the optimizer trace.
private SQLException	wrap(Throwable t) Wrap an exception in a SQLException
private SQLException	wrap(String errorMessage)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

OptTraceViewer	back to summary
public OptTraceViewer() 0-arg constructor required by the OptionalTool contract

executeDDL	back to summary
private void executeDDL(Connection conn, String text) throws SQLException

getDerbyConnection	back to summary
private Connection getDerbyConnection() throws SQLException

loadTool	back to summary
public void loadTool(String... configurationParameters) throws SQLException Implements org.apache.derby.iapi.sql.dictionary.OptionalTool.loadTool. Takes the following arguments: fileURL - The url of the file holding the xml trace. E.g.: "file:///Users/me/mainline/z.txt" ...and creates the following schema objects for viewing the xml trace of the optimizer: ArrayList - A user-defined type wrapping java.util.ArrayList. asList - A factory function for creating ArrayLists. planCost - An XmlVTI for viewing xml traces. planCost - A view which passes the file name to the XmlVTI.

loadTool

public void loadTool(String... configurationParameters) throws SQLException

Takes the following arguments:

fileURL - The url of the file holding the xml trace. E.g.: "file:///Users/me/mainline/z.txt"

...and creates the following schema objects for viewing the xml trace of the optimizer:

prepareStatement	back to summary
private PreparedStatement prepareStatement(Connection conn, String text) throws SQLException

unloadTool	back to summary
public void unloadTool(String... configurationParameters) throws SQLException Implements org.apache.derby.iapi.sql.dictionary.OptionalTool.unloadTool. Drop the schema objects which were created for viewing the xml file containing the optimizer trace.

unloadTool

public void unloadTool(String... configurationParameters) throws SQLException

Drop the schema objects which were created for viewing the xml file containing the optimizer trace.

wrap	back to summary
private SQLException wrap(Throwable t) Wrap an exception in a SQLException

wrap	back to summary
private SQLException wrap(String errorMessage)