cloud-fan commented on a change in pull request #35768: URL: https://github.com/apache/spark/pull/35768#discussion_r828011659
########## File path: sql/catalyst/src/main/java/org/apache/spark/sql/connector/expressions/filter/Predicate.java ########## @@ -0,0 +1,162 @@ +/* + * 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.filter; + +import java.util.Arrays; + +import org.apache.spark.annotation.Evolving; +import org.apache.spark.sql.connector.expressions.Expression; +import org.apache.spark.sql.connector.expressions.GeneralScalarExpression; +import org.apache.spark.sql.connector.expressions.NamedReference; + +/** + * The general representation of predicate expressions, which contains the upper-cased expression + * name and all the children expressions. You can also use these concrete subclasses for better + * type safety: {@link And}, {@link Or}, {@link Not}, {@link AlwaysTrue}, {@link AlwaysFalse}. + * <p> + * The currently supported predicate expressions: + * <ol> + * <li>Name: <code>IS_NULL</code> + * <ul> + * <li>SQL semantic: <code>expr IS NULL</code></li> + * <li>Since version: 3.3.0</li> + * </ul> + * </li> + * <li>Name: <code>IS_NOT_NULL</code> + * <ul> + * <li>SQL semantic: <code>expr IS NOT NULL</code></li> + * <li>Since version: 3.3.0</li> + * </ul> + * </li> + * <li>Name: <code>STARTS_WITH</code> + * <ul> + * <li>SQL semantic: <code>StartsWith(expr1, expr2)</code></li> + * <li>Since version: 3.3.0</li> + * </ul> + * </li> + * <li>Name: <code>ENDS_WITH</code> + * <ul> + * <li>SQL semantic: <code>EndsWith(expr1, expr2)</code></li> + * <li>Since version: 3.3.0</li> + * </ul> + * </li> + * <li>Name: <code>CONTAINS</code> + * <ul> + * <li>SQL semantic: <code>Contains(expr1, expr2)</code></li> + * <li>Since version: 3.3.0</li> + * </ul> + * </li> + * <li>Name: <code>IN</code> + * <ul> + * <li>SQL semantic: <code>expr IN (expr1, expr2, ...)</code></li> + * <li>Since version: 3.3.0</li> + * </ul> + * </li> + * <li>Name: <code>=</code> + * <ul> + * <li>SQL semantic: <code>expr1 = expr2</code></li> + * <li>Since version: 3.3.0</li> + * </ul> + * </li> + * <li>Name: <code><></code> + * <ul> + * <li>SQL semantic: <code>expr1 <> expr2</code></li> + * <li>Since version: 3.3.0</li> + * </ul> + * </li> + * <li>Name: <code><=></code> + * <ul> + * <li>SQL semantic: null-safe version of <code>expr1 = expr2</code></li> + * <li>Since version: 3.3.0</li> + * </ul> + * </li> + * <li>Name: <code><</code> + * <ul> + * <li>SQL semantic: <code>expr1 < expr2</code></li> + * <li>Since version: 3.3.0</li> + * </ul> + * </li> + * <li>Name: <code><=</code> + * <ul> + * <li>SQL semantic: <code>expr1 <= expr2</code></li> + * <li>Since version: 3.3.0</li> + * </ul> + * </li> + * <li>Name: <code>></code> + * <ul> + * <li>SQL semantic: <code>expr1 > expr2</code></li> + * <li>Since version: 3.3.0</li> + * </ul> + * </li> + * <li>Name: <code>>=</code> + * <ul> + * <li>SQL semantic: <code>expr1 >= expr2</code></li> + * <li>Since version: 3.3.0</li> + * </ul> + * </li> + * <li>Name: <code>AND</code> + * <ul> + * <li>SQL semantic: <code>expr1 AND expr2</code></li> + * <li>Since version: 3.3.0</li> + * </ul> + * </li> + * <li>Name: <code>OR</code> + * <ul> + * <li>SQL semantic: <code>expr1 OR expr2</code></li> + * <li>Since version: 3.3.0</li> + * </ul> + * </li> + * <li>Name: <code>NOT</code> + * <ul> + * <li>SQL semantic: <code>NOT expr</code></li> + * <li>Since version: 3.3.0</li> + * </ul> + * </li> + * <li>Name: <code>TRUE</code> Review comment: The name is `ALWAYS_TRUE` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
