TherChenYang opened a new pull request, #29814:
URL: https://github.com/apache/shardingsphere/pull/29814
Fixes #29173.
Changes proposed in this pull request:
- suport parsing SQL Server sql with default schema [offical
link](https://learn.microsoft.com/zh-cn/sql/t-sql/queries/from-transact-sql?view=sql-server-ver16)
<img width="701" alt="image"
src="https://github.com/apache/shardingsphere/assets/124348939/156523ad-1ca6-4ecc-a5c1-816408236fcb";>
> sql case
```sql
INSERT INTO myTable(FileName, FileType, Document)
SELECT
'Text1.txt' AS FileName
, '.txt' AS FileType
, *
FROM OPENROWSET(BULK N'C:\Text1.txt', SINGLE_BLOB) AS Document
```
```sql
INSERT INTO achievements with (TABLOCK) (id, description)
SELECT * FROM OPENROWSET(
BULK 'csv/achievements.csv',
DATA_SOURCE = 'MyAzureBlobStorage',
FORMAT ='CSV',
FORMATFILE='csv/achievements-c.xml',
FORMATFILE_DATA_SOURCE = 'MyAzureBlobStorage'
) AS DataFile
```
```sql
SELECT has_backup_checksums, database_name, *
FROM msdb..backupset
```
```sql
SELECT FileName = df.name,
current_file_size_MB = df.size*1.0/128,
max_size = CASE df.max_size
WHEN 0 THEN 'Autogrowth is off.'
WHEN -1 THEN 'Autogrowth is on.'
ELSE 'Log file grows to a maximum size of 2 TB.'
END,
growth_value =
CASE
WHEN df.growth = 0 THEN df.growth
WHEN df.growth > 0 AND df.is_percent_growth = 0 THEN
df.growth*1.0/128.0
WHEN df.growth > 0 AND df.is_percent_growth = 1 THEN df.growth
END,
growth_increment_unit =
CASE
WHEN df.growth = 0 THEN 'Size is fixed.'
WHEN df.growth > 0 AND df.is_percent_growth = 0 THEN 'Growth value
is MB.'
WHEN df.growth > 0 AND df.is_percent_growth = 1 THEN 'Growth value
is a percentage.'
END
FROM tempdb.sys.database_files AS df
```
```sql
SELECT plan_handle, st.text
FROM sys.dm_exec_cached_plans
CROSS APPLY sys.dm_exec_sql_text(plan_handle) AS st
WHERE text LIKE N'SELECT * FROM Person.Address%'
```
---
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- [x] My code follows the [code of
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of this project.
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- [ ] I have (or in comment I request) added corresponding labels for the
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-Dmaven.javadoc.skip -Dmaven.jacoco.skip -e`.
- [ ] I have made corresponding changes to the documentation.
- [x] I have added corresponding unit tests for my changes.
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