apache/shardingsphere 5.3.1

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New Features

1. Kernel: Add new data masking, dynamic data masking features, and built-in data masking algorithms
2. Scaling: Basic support of CDC feature
3. DistSQL: Add masking rule related DistSQL

Enhancements

1. Kernel: Cluster mode avoids secondary refresh of metadata
2. Kernel: SHOW COMPUTE NODES supports displaying the version number of each instance
3. Kernel: System database add cluster information table
4. Kernel: Standalone mode persistent metadata supports MySQL
5. Kernel: SQL HINT performance improvement
6. Kernel: Restore routing to the specified database with Hint
7. Encrypt: Supports underscore wildcards for Encrypt CharDigestLikeEncryptAlgorithm
8. Kernel: Support SQL federation SELECT NULLS LAST/FIRST statement
9. Kernel: Refactor encrypt integration test logic and add more test cases
10. Kernel: Add salt props for MD5MaskAlgorithm, MD5EncryptAlgorithm
11. Kernel: Refactor ShardingConditionEngine to support SPI configuration
12. DistSQL: Support defining column level QUERY_WITH_CIPHER_COLUMN when CREATE ENCRYPT RULE
13. DistSQL: Add algorithm type check for CREATE SHARDING TABLE RULE

Bug Fixes

1. Fix the problem of ZooKeeper cluster error reporting when ShardingSphere connects to Kubernetes
2. Kernel: Fix use Consul in cluster mode start up failure
3. DB Discovery: Close heartbeat job when drop discovery rule
4. Kernel: Fix wrong decide result when execute same sharding condition subquery with SQL federation
5. Kernel: Fix priority problem of UNION, INTERSECT, EXCEPT set operation in SQL Federation for PostgreSQL and openGuass dialect
6. Kernel: Fix create view index out of range exception when view contains set operator
7. Kernel: Add XA resource exceeds length check
8. Kernel: Fix transaction support for spring requires_new
9. Encrypt: Fix AESEncryptAlgorithm decrypt exception when config char type with PostgreSQL and openGauss
10. Encrypt: Fix abnormal expansion result for shorthand when encrypt subquery contains an alias
11. Kernel: Fix unsigned flag of column metadata was not serialized
12. Kernel: Fix PostgreSQL / openGauss select fetch parsing issue to support federation execution engine
13. Proxy: Fix packet sequence ID may be incorrect if error occurred in MySQL Proxy
14. Proxy: Fix error occur in Proxy when using PostgreSQL composite type
15. Proxy: Set proper column definition flag for MySQL COM_STMT_PREPARE
16. Proxy: When querying PG metadata through Proxy and the result set is empty, the labels are lost

Change Log

1. MILESTONE