92b7e57280
## What changes were proposed in this pull request?
Currently, Spark raises `RuntimeException` when creating a view with timestamp with INTERVAL arithmetic like the following. The root cause is the arithmetic expression, `TimeAdd`, was transformed into `timeadd` function as a VIEW definition. This PR fixes the SQL definition of `TimeAdd` and `TimeSub` expressions.
```scala
scala> sql("CREATE TABLE dates (ts TIMESTAMP)")
scala> sql("CREATE VIEW view1 AS SELECT ts + INTERVAL 1 DAY FROM dates")
java.lang.RuntimeException: Failed to analyze the canonicalized SQL: ...
```
## How was this patch tested?
Pass Jenkins with a new testcase.
Author: Dongjoon Hyun <dongjoon@apache.org>
Closes #15318 from dongjoon-hyun/SPARK-17750.
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