Java big-data & geospatial repository by @apache. AI agent rules & system prompts with 5.2k stars.
# Agent guidance
Apache Calcite is a dynamic data management framework. It provides a SQL
parser and validator, a customizable cost-based optimizer, and relational
algebra operators, without a storage engine of its own.
## Security
See [SECURITY.md](./SECURITY.md) before reporting a vulnerability.