ConstantAction

Overview

Package

Class

Use

Deprecated

Index

Home >> All >> org >> apache >> derby >> iapi >> sql >> [ execute overview ]

PREV CLASS NEXT CLASS

SUMMARY:

JAVADOC |

Sourc code of org.apache.derby.iapi.sql.execute.ConstantAction

SOURCE |

Download org.apache.derby.iapi.sql.execute.ConstantAction

DOWNLOAD | NESTED | FIELD | CONSTR | METHOD

DETAIL: FIELD | CONSTR | METHOD

org.apache.derby.iapi.sql.execute
Interface ConstantAction

public interface ConstantAction

This interface describes actions that are ALWAYS performed for a Statement at Execution time. For instance, it is used for DDL statements to describe what they should stuff into the catalogs.

An object satisfying this interface is put into the PreparedStatement and run at Execution time.

Field Summary

static int RUNTIMESTATISTICS


static int STATISTICSTIMING


Method Summary

void executeConstantAction(org.apache.derby.iapi.sql.Activation activation)
          Run the ConstantAction.

boolean modifiesTableId(org.apache.derby.catalog.UUID tableId)
          Does this constant action modify the passed in table uuid? By modify we mean add or drop things tied to this table (e.g.

boolean upToDate()
          Reports whether these constants are up-to-date.

Field Detail

STATISTICSTIMING

public static final int STATISTICSTIMING

See Also:: Constant Field Values

RUNTIMESTATISTICS

public static final int RUNTIMESTATISTICS

See Also:: Constant Field Values

Method Detail

executeConstantAction

public void executeConstantAction(org.apache.derby.iapi.sql.Activation activation)
                           throws org.apache.derby.iapi.error.StandardException

Run the ConstantAction.

modifiesTableId

public boolean modifiesTableId(org.apache.derby.catalog.UUID tableId)
                        throws org.apache.derby.iapi.error.StandardException

Does this constant action modify the passed in table uuid? By modify we mean add or drop things tied to this table (e.g. index, trigger, constraint). Things like views or spses that reference this table don't count.

upToDate

public boolean upToDate()
                 throws org.apache.derby.iapi.error.StandardException

Reports whether these constants are up-to-date. This returns true for homogenous Cloudscape/Cloudsync. For the Plugin, this may return false;