| /* |
| |
| Derby - Class org.apache.derby.catalog.ReferencedColumns |
| |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You under the Apache License, Version 2.0 |
| (the "License"); you may not use this file except in compliance with |
| the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| |
| */ |
| |
| package org.apache.derby.catalog; |
| |
| |
| /** |
| * |
| * Provides information about the columns that are referenced by a |
| * CHECK CONSTRAINT definition. |
| * |
| * It is used in the column SYS.SYSCHECKS.REFERENCEDCOLUMNSDESCRIPTOR. |
| */ |
| public interface ReferencedColumns |
| { |
| /** |
| * Returns an array of 1-based column positions in the table that the |
| * check constraint is on. |
| * |
| * @return An array of ints representing the 1-based column positions |
| * of the columns that are referenced in this check constraint. |
| */ |
| public int[] getReferencedColumnPositions(); |
| |
| /** |
| * 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. |
| * |
| * @return 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. |
| */ |
| public int[] getTriggerActionReferencedColumnPositions(); |
| } |