/**
* Copyright (C) 2009-2013 FoundationDB, LLC
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.foundationdb.ais.model.validation;
import java.util.Iterator;
import com.foundationdb.ais.model.AkibanInformationSchema;
import com.foundationdb.ais.model.IndexColumn;
import com.foundationdb.ais.model.Join;
import com.foundationdb.ais.model.JoinColumn;
import com.foundationdb.ais.model.TableIndex;
import com.foundationdb.server.error.JoinColumnMismatchException;
import com.foundationdb.server.error.JoinParentNoExplicitPK;
import com.foundationdb.server.error.JoinToWrongColumnsException;
class JoinToParentPK implements AISValidation {
@Override
public void validate(AkibanInformationSchema ais, AISValidationOutput output) {
for (Join join : ais.getJoins().values()) {
// bug 931258: If parent has no external PK, flag this as an error.
if (join.getParent().getPrimaryKey() == null) {
output.reportFailure(new AISValidationFailure(
new JoinParentNoExplicitPK (join.getParent().getName())));
continue;
}
TableIndex parentPK= join.getParent().getPrimaryKey().getIndex();
if (parentPK.getKeyColumns().size() != join.getJoinColumns().size()) {
output.reportFailure(new AISValidationFailure(
new JoinColumnMismatchException (join.getJoinColumns().size(),
join.getChild().getName(),
join.getParent().getName(),
parentPK.getKeyColumns().size())));
continue;
}
Iterator<JoinColumn> joinColumns = join.getJoinColumns().iterator();
for (IndexColumn parentPKColumn : parentPK.getKeyColumns()) {
JoinColumn joinColumn = joinColumns.next();
if (parentPKColumn.getColumn() != joinColumn.getParent()) {
output.reportFailure(new AISValidationFailure (
new JoinToWrongColumnsException (
join.getChild().getName(),
joinColumn.getParent().getName(),
parentPK.getTable().getName(), parentPKColumn.getColumn().getName())));
}
}
}
}
}