PinotColumnMetadata.java
/*
* 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 com.facebook.presto.pinot;
import com.facebook.presto.common.type.Type;
import com.facebook.presto.spi.ColumnMetadata;
import com.google.common.collect.ImmutableMap;
import java.util.Objects;
import static java.util.Locale.ENGLISH;
public class PinotColumnMetadata
extends ColumnMetadata
{
// We need to preserve the case sensitivity of the column, store it here as the super class stores the value after lower-casing it
private final String name;
public PinotColumnMetadata(String name, Type type, boolean inNullable, String comment)
{
super(ColumnMetadata.builder()
.setName(name)
.setType(type)
.setNullable(inNullable)
.setComment(comment)
.setHidden(false)
.setProperties(ImmutableMap.of()));
this.name = name;
}
@Override
public String getName()
{
return name.toLowerCase(ENGLISH);
}
public String getPinotName()
{
return name;
}
@Override
public int hashCode()
{
return Objects.hash(name, getType(), getComment(), isHidden());
}
@Override
public boolean equals(Object obj)
{
if (this == obj) {
return true;
}
if (obj == null || getClass() != obj.getClass()) {
return false;
}
PinotColumnMetadata other = (PinotColumnMetadata) obj;
return Objects.equals(this.name, other.name) &&
Objects.equals(this.getType(), other.getType()) &&
Objects.equals(this.getComment(), other.getComment()) &&
Objects.equals(this.isHidden(), other.isHidden());
}
}