[PR] Support parsing SQL Server default schema [shardingsphere]

["TherChenYang (via GitHub)" <gi...@apache.org>]

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%'
   ```
   ---
   
   Before committing this PR, I'm sure that I have checked the following options:
   - [x] My code follows the [code of conduct](https://shardingsphere.apache.org/community/en/involved/conduct/code/) of this project.
   - [x] I have self-reviewed the commit code.
   - [ ] I have (or in comment I request) added corresponding labels for the pull request.
   - [x] I have passed maven check locally : `./mvnw clean install -B -T1C -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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Re: [PR] Support parsing SQL Server default schema [shardingsphere]

["strongduanmu (via GitHub)" <gi...@apache.org>]

strongduanmu merged PR #29814:
URL: https://github.com/apache/shardingsphere/pull/29814


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