spark UserDefinedScalarFunc 源码
spark UserDefinedScalarFunc 代码
文件路径：/sql/catalyst/src/main/java/org/apache/spark/sql/connector/expressions/UserDefinedScalarFunc.java
/*
* 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.spark.sql.connector.expressions;
import java.util.Arrays;
import java.util.Objects;
import org.apache.spark.annotation.Evolving;
import org.apache.spark.sql.internal.connector.ExpressionWithToString;
/**
* The general representation of user defined scalar function, which contains the upper-cased
* function name, canonical function name and all the children expressions.
*
* @since 3.4.0
*/
@Evolving
public class UserDefinedScalarFunc extends ExpressionWithToString {
private String name;
private String canonicalName;
private Expression[] children;
public UserDefinedScalarFunc(String name, String canonicalName, Expression[] children) {
this.name = name;
this.canonicalName = canonicalName;
this.children = children;
}
public String name() { return name; }
public String canonicalName() { return canonicalName; }
@Override
public Expression[] children() { return children; }
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
UserDefinedScalarFunc that = (UserDefinedScalarFunc) o;
return Objects.equals(name, that.name) && Objects.equals(canonicalName, that.canonicalName) &&
Arrays.equals(children, that.children);
}
@Override
public int hashCode() {
return Objects.hash(name, canonicalName, children);
}
}
相关信息
相关文章
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
7、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦