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/*
* 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.calcite.sql.type;
import org.apache.calcite.rel.type.RelDataType;
import org.apache.calcite.rel.type.RelDataTypeFamily;
/**
* SQL map type.
*/
public class MapSqlType extends AbstractSqlType {
//~ Instance fields --------------------------------------------------------
private final RelDataType keyType;
private final RelDataType valueType;
//~ Constructors -----------------------------------------------------------
/**
* Creates a MapSqlType. This constructor should only be called
* from a factory method.
*/
public MapSqlType(
RelDataType keyType, RelDataType valueType, boolean isNullable) {
super(SqlTypeName.MAP, isNullable, null);
assert keyType != null;
assert valueType != null;
this.keyType = keyType;
this.valueType = valueType;
computeDigest();
}
//~ Methods ----------------------------------------------------------------
@Override public RelDataType getValueType() {
return valueType;
}
@Override public RelDataType getKeyType() {
return keyType;
}
// implement RelDataTypeImpl
protected void generateTypeString(StringBuilder sb, boolean withDetail) {
sb.append("(")
.append(
withDetail
? keyType.getFullTypeString()
: keyType.toString())
.append(", ")
.append(
withDetail
? valueType.getFullTypeString()
: valueType.toString())
.append(") MAP");
}
// implement RelDataType
public RelDataTypeFamily getFamily() {
return this;
}
}
// End MapSqlType.java