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gendb-storage-format

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GenDB binary storage format spec.

Software Engineering#database#serialization#columnar#data encoding#gendb#storage format
AuthorSolidLao
Version1.0.0
Installs0

System Documentation

What problem does it solve?

This Skill provides a detailed specification for GenDB's binary columnar storage format, enabling efficient data handling and understanding of column encodings.

Core Features & Use Cases

  • Binary Columnar Format: Understand how data is stored in individual column files (.bin) and accessed via memory mapping.
  • Type Mappings: Learn the correspondence between SQL data types and C++ types, including specific handling for DECIMAL, DATE, and VARCHAR.
  • Encoding Details: Comprehend dictionary encoding for strings, byte-packing for compression, and the structure of zone maps for efficient querying.
  • Use Case: When developing ingestion pipelines or query execution engines for GenDB, understanding these formats is crucial for correct data serialization and deserialization.

Quick Start

Load the gendb-storage-format skill to understand how DATE types are encoded as days since epoch.

Dependency Matrix

Required Modules

None required

Components

references

💻 Claude Code Installation

Recommended: Let Claude install automatically. Simply copy and paste the text below to Claude Code.

Please help me install this Skill:
Name: gendb-storage-format
Download link: https://github.com/SolidLao/GenDB/archive/main.zip#gendb-storage-format

Please download this .zip file, extract it, and install it in the .claude/skills/ directory.
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