org.apache.derby.catalog
Interface ReferencedColumns

All Known Implementing Classes:

ReferencedColumnsDescriptorImpl

public interface ReferencedColumns

Provides information about the columns that are referenced by a CHECK CONSTRAINT definition. It is used in the column SYS.SYSCHECKS.REFERENCEDCOLUMNSDESCRIPTOR.

Method Summary

int[]	getReferencedColumnPositions() Returns an array of 1-based column positions in the table that the check constraint is on.
int[]	getTriggerActionReferencedColumnPositions() Returns an array of 1-based column positions in the trigger table.

Method Detail

getReferencedColumnPositions

int[] getReferencedColumnPositions()

Returns an array of 1-based column positions in the table that the check constraint is on.

Returns:

An array of ints representing the 1-based column positions of the columns that are referenced in this check constraint.

getTriggerActionReferencedColumnPositions

int[] getTriggerActionReferencedColumnPositions()

Returns an array of 1-based column positions in the trigger table. These columns are the ones referenced in the trigger action through the old/new transition variables.

Returns:

An array of ints representing the 1-based column positions of the columns that are referenced in the trigger action through the old/new transition variables.