Remove redundancy in Sharing Specification in Create View Oracle

[ilyasahsan123]

Fixes #29551.

Changes proposed in this pull request:

• Simplify Sharing Specification in Create View Oracle

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[ilyasahsan123]

This is just a minor nitpick, @strongduanmu. Is it acceptable?

[strongduanmu]

Hi @ilyasahsan123, thank you for your contribution. Can you show the original sql sytax in oracle offical doc? And add sql parse test case for this change?

[strongduanmu]

Sorry, I checked the createSharingClause syntax and they do have redundancy. Thank you for your contribution, merged.

createSharingClause
    : (SHARING EQ_ (METADATA | DATA | EXTENDED DATA | NONE))?
    ;

[ilyasahsan123]

Thanks for your feedback and approval, @strongduanmu. It is also my bad in giving PR name. I should rename it to something like "remove redundancy".

Thanks anyway.

[strongduanmu]

Thanks for your feedback and approval, @strongduanmu. It is also my bad in giving PR name. I should rename it to something like "remove redundancy".

Thanks anyway.

Yes, you can try to modify the PR title. In addition, it seems that you are familiar with ANTLR, are you interested in getting involved in more SQL parsing tasks? For example, Oracle and SQLServer. ShardingSphere SQL parsing will get much better if you can get involved. 😁

[ilyasahsan123]

Yes, I am very interested in getting involved in the parsing world and I am currently looking into following issues:

• Oracle: here
• SQLServer: here

Are there any GitHub issues that I can get involved in?

[strongduanmu]

@ilyasahsan123 You can participate in these missions first, and we will post new missions later, so you can follow and participate in them.

[ilyasahsan123]

Excited. Thanks for the info, @strongduanmu.