[SPARK-30703][SQL][FOLLOWUP] Update SqlBase.g4 invalid comment

### What changes were proposed in this pull request?

Modify the comment of `SqlBase.g4`.

### Why are the changes needed?

`docs/sql-keywords.md` has already moved to `docs/sql-ref-ansi-compliance.md#sql-keywords`.

### Does this PR introduce _any_ user-facing change?

No.

### How was this patch tested?

No need.

Closes #29033 from ulysses-you/SPARK-30703-FOLLOWUP.

Authored-by: ulysses <youxiduo@weidian.com>
Signed-off-by: Takeshi Yamamuro <yamamuro@apache.org>
This commit is contained in:
ulysses 2020-07-08 11:30:47 +09:00 committed by Takeshi Yamamuro
parent b5297c43b0
commit 65286aec4b

View file

@ -1461,8 +1461,7 @@ nonReserved
;
// NOTE: If you add a new token in the list below, you should update the list of keywords
// in `docs/sql-keywords.md`. If the token is a non-reserved keyword,
// please update `ansiNonReserved` and `nonReserved` as well.
// and reserved tag in `docs/sql-ref-ansi-compliance.md#sql-keywords`.
//============================
// Start of the keywords list