nz.co.gregs.dbvolution.exceptions.UnableToCreateAscendingExpressionForRecursiveQuery Maven / Gradle / Ivy
/*
* Copyright 2015 gregorygraham.
*
* Licensed 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 nz.co.gregs.dbvolution.exceptions;
import nz.co.gregs.dbvolution.DBRow;
import nz.co.gregs.dbvolution.columns.ColumnProvider;
/**
*
* Support DBvolution at
* Patreon
*
* @author gregorygraham
*/
public class UnableToCreateAscendingExpressionForRecursiveQuery extends DBRuntimeException {
private static final long serialVersionUID = 1L;
/**
* For some reason beyond my knowledge the column provided can not be used to
* create an ascending recursive query.
*
*
* While this is highly unusual it may be because the datatypes of the FK and
* the associated Primary Key disagree: e.g. one is a DBString and the other a
* DBInteger.
*
* @param keyToFollow
* @param originatingRow
*/
public UnableToCreateAscendingExpressionForRecursiveQuery(ColumnProvider keyToFollow, DBRow originatingRow) {
super("Unable To Create Ascending Expression For Recursive Query: some combination of the datatypes in " + keyToFollow.getColumn().getPropertyWrapper().javaName() + " and " + originatingRow.getClass().getSimpleName() + " prevents ascending queries working, please check them.");
}
}