sop

Scalable Objects Persistence

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SOP Go Examples

This directory contains example applications demonstrating various features of Scalable Objects Persistence (SOP) in Go.

🌍 Interoperability & Polyglot Usage

SOP is designed to be a polyglot database. To ensure data written in Go can be read by Python, C#, Java, or Rust (and vice versa), you should use the jsondb package. This provides symmetry across all language bindings.

1. Basic Interop (interop_jsondb)

Demonstrates how to store Go structs so they are automatically serialized to the “Universal” JSON format.

• Key Feature: jsondb.NewJsonBtree[K, V]
• Why: Ensures your data is accessible to AI models in Python or services in C#.

2. Secondary Indexes (interop_secondary_indexes)

Demonstrates “Schema-less” storage with composite secondary indexes.

• Key Feature: jsondb.NewJsonBtreeMapKey + IndexSpecification
• Why: Allows you to define sorting rules (e.g., “Sort by Category ASC, then Price DESC”) that are respected by all language bindings.
• New: Also includes struct_key_main.go demonstrating jsondb.NewJsonBtreeStructKey for a more idiomatic Go experience using structs as keys.

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🚀 High-Performance Native Go

For pure Go microservices where you don’t need to share data with other languages, you can use the native generic API.

3. Swarm Computing (swarm_standalone & swarm_clustered)

Demonstrates SOP’s ability to handle concurrent transactions from multiple threads (or processes) without external locks.

• Key Feature: database.NewBtree[K, V] (Native)
• Scenario: 40 concurrent threads updating the same B-Tree.
• Variants:
  • swarm_standalone: Runs on local disk.
  • swarm_clustered: Runs on Redis (simulating a distributed cluster).

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🏢 Multi-Tenancy & Configuration

4. Multi-Redis (multi_redis_url)

Demonstrates connecting to multiple Redis databases (e.g., DB 0 and DB 1) in the same application using the standard URL format.

• Key Feature: RedisCacheConfig.URL (redis://host:port/db)

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▶️ Running the Examples

You can run all examples in sequence using the suite script in the root directory:

./run_go_suite.sh

Or run individual examples:

go run examples/interop_jsondb/main.go