5.5.1

API Changes

1. Authority: Mark privilege provider ALL_PERMITTED as deprecated and will be removed in future
2. DistSQL: Remove optional param usageCount from show storage units
3. Readwrite-splitting: Change dataSources to dataSourceGroups for YAML

New Features

1. Kernel: Add new doris, hive and presto sql parser module and database type

Enhancements

1. DistSQL: Check privilege when registering or altering storage unit
2. DistSQL: Check duplicate actual data nodes when creating or altering sharding table rule
3. DistSQL: Add like support for show storage units
4. DistSQL: Rollback if import database configuration failed
5. DistSQL: add table type to result set of show logical tables
6. SQL Parser: Support MySQL change replication with no server ids
7. SQL Parser: Support MySQL row and column aliases with ON DUPLICATE KEY UPDATE
8. SQL Parser: Support MySQL CALL sql with mysql prefix
9. SQL Parser: Support MySQL create loadable function returns int/dec
10. SQL Parser: Support parsing MySQL CREATE TABLESPACE/TABLE in Mysql-8
11. SQL Parser: Support parsing MySQL CREATE INDEX with ENGINE_ATTRIBUTE
12. SQL Parser: Support parsing MySQL LOAD DATA with @ variable
13. SQL Parser: Support parsing MySQL START REPLICA statement
14. SQL Parser: Support parsing MySQL json table function
15. SQL Parser: Add MySQL column not null SQL parsing
16. SQL Parser: Add MySQL charset SQL parsing
17. SQL Parser: Enhance mysql json function visit statement result
18. SQL Parser: Support PostgreSQL COLLATION and CONSTRAINT keywords
19. SQL Parser: Support PostgreSQL, openGauss function table and update from parse
20. SQL Parser: Support CTE with PostgreSQL and openGauss
21. SQL Parser: Optimize the timezone support of PostgreSQLDateValueParser.
22. SQL Parser: Support PostgreSQL limit and offset as null
23. SQL Parser: Enhance Oracle update statement as alias parse and add test case
24. SQL Parser: Support Oracle column length unit type SQL parsing
25. Metadata: Collect table type for PostgreSQL
26. Kernel: Support sql hint extract when sql contains dbeaver hint comment
27. Kernel: Add extract combine left select in extractFromSelectStatementWithoutProjection method
28. Kernel: Add assisted node to create and delete databases
29. Transaction: Use same transaction type in one transaction in JDBC adapter
30. Transaction: Support for switching transaction types
31. SQL Federation: Support sql federation bit_count function for mysql
32. SQL Federation: Improve atan and anan2 sql function for mysql
33. SQL Federation: Support federated query mysql bin function
34. SQL Federation: Support for federated query NOT operator
35. Proxy: Make the results of show tables in order
36. Proxy: Trigger metadata collection when creating and deleting database and table
37. Proxy: Optimize Agent to support collecting metrics data from multiple data sources when used with Driver
38. Proxy Native: Add more graalvm reachability metadata for caffeine cache
39. Sharding: Revise all local index for sharding table and add object uniqueness level spi to control index token generator
40. Sharding: Add NullsOrderType.LOW and NullsOrderType.HIGH to handle NULL order by in sharding feature
41. Sharding: Add inline sharding algorithms match actual data nodes check
42. Encrypt: Add unsupported check for combine statement with encrypt columns
43. Encrypt: Support select distinct(column) encrypt rewrite and refactor SubstitutableColumnNameToken build logic
44. Encrypt: Support like concat nested concat statement rewrite with encrypt feature
45. Pipeline: Add SHARDING_TOTAL_COUNT impl of JobExecutorServiceHandler to improve CPU core requirement
46. Pipeline: Support page query for inventory dumper and data consistency streaming query
47. Pipeline: Use case-insensitive identifiers to enhance the table metadata loader
48. Pipeline: Support primary key columns ordering for standard pipeline table metadata loader

Bug Fixes

1. DistSQL: Fix load single table error after creating logical data source
2. DistSQL: Fix set default single table storage unit to random failed
3. DistSQL: Fix set default single table storage unit to logical data source failed
4. DistSQL: Fix NPE when import metadata
5. SQL Parser: Support PostgreSQL do nothing conflict action
6. SQL Parser: Fix oracle nvl function and interval hour parse error
7. Metadata: Keep in-used storage node when unregister storage unit
8. Metadata: Fixed the problem of missing storage unit when registering storage unit
9. Kernel: Replace ThreadLocal with TransmittableThreadLocal in HintManager to support cross Thread usage
10. Kernel: Use ConnectionPropertiesParser spi to parse jdbcUrl to solve oracle url parse error
11. Kernel: Fix column count assert exception caused by postgresql system table judge
12. SQL Binder: Add TableAvailable interface for CloseStatementContext, MoveStatementContext, FetchStatementContext and fix sql rewrite test case
13. Transaction: Fix setSavepoint method invocation not cleaning up
14. Transaction: Fix savepoint manager not cleaned up in distributed transactions
15. Transaction: Fix transaction context not cleaned up when xa transaction is committed
16. Transaction: Fix the issue that cursor is not rewritten
17. SQL Federation: Fix federated query LocalDateTime conversion
18. SQL Federation: Fix push down sql execute error when sql contains chinese character with sql federation
19. SQL Federation: Fix federation query binary type data query
20. SQL Federation: Fix null result in federated query for a single projected column
21. SQL Federation: Fix sql federation unknown type exception caused by calcite wrong result type with bigint
22. Proxy: Support binary type bool value in PostgreSQL
23. Proxy: Support array type prepared param in PostgreSQL
24. Proxy: Support binary protocol value for text array in PostgreSQL
25. Proxy: Fix duplicate results when querying information_schema.SCHEMATA
26. Proxy: Fix incorrect results for querying information_schema.SCHEMATA
27. Proxy: Fix NPE when execute show table status
28. Proxy: Fix no database selected exception occurs when show tables from db
29. Proxy: Fix the error that the process does not exit after proxy startup fail
30. Proxy: Fix the error that the persisted system metadata was not cleared after the database was deleted in the PostgreSQL scenario
31. Proxy: Fix no database selected exception in the query SQL
32. JDBC: Resolve the issue where "zip file closed" in versions prior to SpringBoot 2.3.
33. JDBC: Fix the NPE when it does not contain a specified logic database in Driver.
34. Sharding: Fix Sharding column not tracked through aliases
35. Sharding: Fix alter view exception when config sharding rule and binding table rule
36. Sharding: Fix is need accumulate logic
37. Sharding: Fix the generated key column name case insensitivity error
38. Encrypt: Fix show create table wrong result with encrypt when data type contains float
39. Encrypt: Fix the issue where updating a non-encrypted table and using a subquery on an encrypted table.
40. Encrypt: Add insert select rewrite for encrypt
41. Pipeline: InventoryTaskSplitter compatible with BigInteger primary key
42. Pipeline: Fix default data source lost when create migration job