/*
* Licensed to CRATE Technology GmbH ("Crate") under one or more contributor
* license agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership. Crate 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.
*
* However, if you have executed another commercial license agreement
* with Crate these terms will supersede the license and you may use the
* software solely pursuant to the terms of the relevant commercial agreement.
*/
package io.crate.metadata.information;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSortedMap;
import io.crate.metadata.*;
import io.crate.types.ArrayType;
import io.crate.types.DataType;
import io.crate.types.DataTypes;
import org.elasticsearch.cluster.service.ClusterService;
public class InformationTableConstraintsTableInfo extends InformationTableInfo {
public static final String NAME = "table_constraints";
public static final TableIdent IDENT = new TableIdent(InformationSchemaInfo.NAME, NAME);
public static class Columns {
public static final ColumnIdent TABLE_SCHEMA = new ColumnIdent("table_schema");
public static final ColumnIdent TABLE_NAME = new ColumnIdent("table_name");
public static final ColumnIdent CONSTRAINT_NAME = new ColumnIdent("constraint_name");
public static final ColumnIdent CONSTRAINT_TYPE = new ColumnIdent("constraint_type");
}
public static class References {
public static final Reference TABLE_SCHEMA = createRef(Columns.TABLE_SCHEMA, DataTypes.STRING);
public static final Reference TABLE_NAME = createRef(Columns.TABLE_NAME, DataTypes.STRING);
public static final Reference CONSTRAINT_NAME = createRef(Columns.CONSTRAINT_NAME, new ArrayType(DataTypes.STRING));
public static final Reference CONSTRAINT_TYPE = createRef(Columns.CONSTRAINT_TYPE, DataTypes.STRING);
}
private static Reference createRef(ColumnIdent columnIdent, DataType dataType) {
return new Reference(new ReferenceIdent(IDENT, columnIdent), RowGranularity.DOC, dataType);
}
protected InformationTableConstraintsTableInfo(ClusterService clusterService) {
super(clusterService,
IDENT,
ImmutableList.<ColumnIdent>of(),
ImmutableSortedMap.<ColumnIdent, Reference>naturalOrder()
.put(Columns.TABLE_SCHEMA, References.TABLE_SCHEMA)
.put(Columns.TABLE_NAME, References.TABLE_NAME)
.put(Columns.CONSTRAINT_NAME, References.CONSTRAINT_NAME)
.put(Columns.CONSTRAINT_TYPE, References.CONSTRAINT_TYPE)
.build()
);
}
}