uchenily opened a new pull request, #59283:
URL: https://github.com/apache/doris/pull/59283
### What problem does this PR solve?
This PR sets DEFAULT as a non-reserved keyword since database name or
table/column name may use DEFAULT/default as the name.
before:
```sql
MySQL [langchain]> show tables;
+---------------------+
| Tables_in_langchain |
+---------------------+
| default |
| langchain |
+---------------------+
2 rows in set (0.003 sec)
MySQL [langchain]> DESCRIBE langchain;
+----------+--------------+------+-------+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+----------+--------------+------+-------+---------+-------+
| id | varchar(64) | Yes | true | NULL | |
| text | text | Yes | false | NULL | NONE |
| vector | array<float> | No | false | NULL | NONE |
| metadata | text | Yes | false | NULL | NONE |
+----------+--------------+------+-------+---------+-------+
4 rows in set (0.003 sec)
MySQL [langchain]> DESCRIBE default;
ERROR 1105 (HY000): errCode = 2, detailMessage =
no viable alternative at input 'DESCRIBE default'(line 1, pos 9)
MySQL [langchain]> select * from default;
ERROR 1105 (HY000): errCode = 2, detailMessage =
mismatched input 'default' expecting {'(', '{', '}', 'ACTIONS', 'AFTER',
'AGG_STATE', 'AGGREGATE', 'ALIAS', 'ANALYZED', 'ARRAY', 'AT', 'AUTHORS',
'AUTO_INCREMENT', 'ALWAYS', 'BACKENDS', 'BACKUP', 'BEGIN', 'BELONG', 'BIN',
'BITAND', 'BITMAP', 'BITMAP_EMPTY', 'BITMAP_UNION', 'BITOR', 'BITXOR', 'BLOB',
'BOOLEAN', 'BRANCH', 'BRIEF', 'BROKER', 'BUCKETS', 'BUILD', 'BUILTIN', 'BULK',
'CACHE', 'CACHED', 'CALL', 'CATALOG', 'CATALOGS', 'CHAIN', CHAR, 'CHARSET',
'CHECK', 'CLUSTER', 'CLUS
```
after:
```sql
MySQL [langchain]> DESCRIBE default;
+----------+--------------+------+-------+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+----------+--------------+------+-------+---------+-------+
| id | varchar(64) | Yes | true | NULL | |
| text | text | Yes | false | NULL | NONE |
| vector | array<float> | No | false | NULL | NONE |
| metadata | text | Yes | false | NULL | NONE |
+----------+--------------+------+-------+---------+-------+
4 rows in set (0.004 sec)
MySQL [langchain]> select id from default limit 1;
+--------------------------------------+
| id |
+--------------------------------------+
| 011645f8-e045-45d5-88f8-e12a5a62ab89 |
+--------------------------------------+
1 row in set (0.078 sec)
```
Issue Number: close #xxx
Related PR: #xxx
Problem Summary:
### Release note
None
### Check List (For Author)
- Test <!-- At least one of them must be included. -->
- [x] Regression test
- [ ] Unit Test
- [ ] Manual test (add detailed scripts or steps below)
- [ ] No need to test or manual test. Explain why:
- [ ] This is a refactor/code format and no logic has been changed.
- [ ] Previous test can cover this change.
- [ ] No code files have been changed.
- [ ] Other reason <!-- Add your reason? -->
- Behavior changed:
- [ ] No.
- [ ] Yes. <!-- Explain the behavior change -->
- Does this need documentation?
- [ ] No.
- [ ] Yes. <!-- Add document PR link here. eg:
https://github.com/apache/doris-website/pull/1214 -->
### Check List (For Reviewer who merge this PR)
- [ ] Confirm the release note
- [ ] Confirm test cases
- [ ] Confirm document
- [ ] Add branch pick label <!-- Add branch pick label that this PR should
merge into -->
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