[SPARK-36721] Simplify boolean equalities if one side is literal

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.3.0
• Fix Version/s: 3.3.0
• Component/s: SQL
• Assignee: Kazuyuki Tanimura
• Reporter: Kazuyuki Tanimura
• Created: 10/Sep/21 22:10
• Updated: 06/Jan/22 19:42
• Resolved: 24/Sep/21 17:53

Description

The following query does not push down the filter 

```

SELECT * FROM t WHERE (a AND b) = true

```

although the following equivalent query pushes down the filter as expected.

```

SELECT * FROM t WHERE (a AND b) 

```

Issue Links

• links to: [Github] Pull Request #34055 (kazuyukitanimura)
• links to: [Github] Pull Request #34055 (kazuyukitanimura)