[Phase 11] Stored Procedures & User-Defined Functions

[ravituringworks]

Phase 11: Advanced Features

Overview

Implement stored procedures and user-defined functions with PostgreSQL compatibility.

Features to Implement

• PL/pgSQL procedural language support
• User-defined function creation and execution
• Stored procedure compilation and optimization
• Function overloading and polymorphism
• Trigger function support
• Function security and sandboxing

Technical Requirements

• PL/pgSQL parser and interpreter
• Function compilation and caching
• Secure execution environment
• Integration with existing SQL executor
• Function metadata management
• Performance optimization for frequently called functions

Success Criteria

• PostgreSQL-compatible stored procedure support
• User-defined functions with multiple languages
• Secure function execution with proper isolation
• Performance comparable to native SQL operations
• Function debugging and profiling tools
• Comprehensive function management capabilities

Dependencies

• Existing SQL parser and executor
• Security and sandboxing infrastructure
• Function metadata storage

Estimated Effort

6-8 weeks