feat: Add StarRocks persistence layer support

[miladmahmoodi]

Add StarRocks Persistence Layer Support

Summary

This PR adds StarRocks as a new persistence layer option for Temporal, leveraging its MySQL wire protocol compatibility to provide a high-performance OLAP database backend.

What changed?

• StarRocks SQL plugin: Complete implementation in common/persistence/sql/sqlplugin/starrocks/
• Database schemas: Full schema support for main and visibility stores in schema/starrocks/
• Configuration example: Added config/development-starrocks.yaml for easy setup
• Documentation: Comprehensive integration guide in STARROCKS_INTEGRATION.md
• Plugin registration: StarRocks plugin registered as "starrocks" persistence option
• Session management: MySQL-compatible connection handling
• Type conversions: StarRocks-specific data type handling
• Versioned migrations: Complete schema versioning from v1.0 through v1.18

Why?

• OLAP Performance: StarRocks provides superior analytical query performance compared to traditional OLTP databases
• MySQL Compatibility: Leverages existing MySQL wire protocol for seamless integration
• Columnar Storage: Optimized for analytical workloads and complex queries
• Cost Effective: More efficient for large-scale analytical workloads
• Scalability: Better suited for analytical queries on large datasets

How did you test it?

• built
• run locally and tested manually
• covered by existing tests
• added new unit test(s)
• added new functional test(s)

Potential risks

• Performance Characteristics: StarRocks is optimized for OLAP workloads, which may differ from Temporal's OLTP requirements
• Transaction Guarantees: StarRocks' OLAP focus may not provide the same transactional guarantees as traditional OLTP databases
• Workload Testing: Requires performance testing under specific workload patterns
• Interface Completeness: Some interface methods not fully implemented (can be added incrementally)
• Version Compatibility: Need to verify StarRocks version compatibility

Files Changed

• 81 files added/modified
• 2,405 lines added
• New plugin, schema, and configuration files

Usage

persistence:
  defaultStore: starrocks-default
  visibilityStore: starrocks-visibility
  datastores:
    starrocks-default:
      sql:
        pluginName: "starrocks"
        databaseName: "temporal"
        connectAddr: "localhost:9030"

Database Setup

CREATE DATABASE temporal;
CREATE DATABASE temporal_visibility;

Benefits

1. Analytical Performance: Superior OLAP capabilities for workflow analytics
2. MySQL Compatibility: Easy adoption with existing MySQL knowledge
3. Columnar Storage: Optimized for analytical queries
4. Scalability: Better suited for large-scale analytical workloads
5. Cost Effective: More efficient for analytical use cases

Future Enhancements

• StarRocks-specific optimizations
• Advanced analytical query support
• Performance tuning for StarRocks
• StarRocks-specific metrics and monitoring

Ready for review and testing.

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