yaooqinn opened a new pull request #29627:
URL: https://github.com/apache/spark/pull/29627
### What changes were proposed in this pull request?
This PR fixes the issue for parsing aliased typed interval values
e.g. cases below should be all valid ones
```sql
> select interval '1 day' abc;
Error in query:
Error parsing ' 1 day abc' to interval, unrecognized number 'abc'(line 1,
pos 16)
== SQL ==
select interval '1 day' abc
----------------^^^
```
```
spark-sql> select interval '1 day' as abc;
Error in query:
Error parsing ' 1 day as' to interval, unrecognized number 'as'(line 1, pos
16)
== SQL ==
select interval '1 day' as abc
----------------^^^
```
Additionally, cases like the below one will be fixed as invalid ones since
I touched some test cases.
```
select interval 'interval中文1 day';
```
### Why are the changes needed?
<!--
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1. If you propose a new API, clarify the use case for a new API.
2. If you fix a bug, you can clarify why it is a bug.
-->
bug fix
### Does this PR introduce _any_ user-facing change?
<!--
Note that it means *any* user-facing change including all aspects such as
the documentation fix.
If yes, please clarify the previous behavior and the change this PR proposes
- provide the console output, description and/or an example to show the
behavior difference if possible.
If possible, please also clarify if this is a user-facing change compared to
the released Spark versions or within the unreleased branches such as master.
If no, write 'No'.
-->
yes, the cases shown in part I. will be valid cases
### How was this patch tested?
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test cases that check the changes thoroughly including negative and positive
cases if possible.
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how you tested step by step, ideally copy and paste-able, so that other
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it was difficult to add.
-->
new tests
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