$ show ossc-db/pg_bulkload
pg_bulkload is a high-performance bulk data loading tool for PostgreSQL designed to bypass shared buffers for faster loads. It provides a command-line utility and PostgreSQL extension supporting multiple input formats (CSV, binary, SQL functions), parallel processing, configurable error handling, and crash recovery. The architecture follows a modular pipeline: reader → parser → checker → tuple former → writer, with deep integration into PostgreSQL internals for memory management, error reporting, and index building. Key features include direct path writing (bypassing WAL), multi-process loading via shared memory IPC, and B-tree index construction from sorted data.
The LLM identified 3 files worth highlighting for reuse:
Provides robust string manipulation utilities including dynamic buffer management, encoding conversion, and parsing functions. Demonstrates skill in memory-safe C string handling with loose coupling to PostgreSQL memory contexts, making it extractable for general C applications requiring advanced string processing.
Implements a flexible logging system with file/console output, log levels, and formatted messaging. Isolated from core logic, showing clean separation of concerns and error handling practices reusable in any C project needing configurable logging without external dependencies.
Offers cross-platform IPC mechanism using shared memory and semaphores for coordinating multiple processes. Demonstrates skill in managing platform-specific details (Windows/Unix), resource cleanup, and synchronization patterns, with a clean API suitable for parallel processing applications beyond PostgreSQL.