Github user wangyum commented on a diff in the pull request:
https://github.com/apache/spark/pull/19918#discussion_r155939348
--- Diff:
sql/core/src/test/resources/sql-tests/inputs/typeCoercion/native/binaryComparison.sql
---
@@ -0,0 +1,287 @@
+--
+-- 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.
+--
+
+-- Binary Comparison
+
+CREATE TEMPORARY VIEW t AS SELECT 1;
+
+SELECT cast(1 as binary) = '1' FROM t;
--- End diff --
Seems binary comparison without
[<=>](https://github.com/apache/spark/blob/ced6ccf0d6f362e299f270ed2a474f2e14f845da/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/predicates.scala#L594).
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