# Page Not Found

The URL `users/user-guide-query/query-syntax/grouping-algorithm` does not exist.

You might be looking for one of these pages:
- [Grouping Algorithm](https://docs.pinot.apache.org/build-with-pinot/querying-and-sql/sql-syntax/grouping-algorithm.md)
- [Filtering with IdSet](https://docs.pinot.apache.org/build-with-pinot/querying-and-sql/sql-syntax/filtering-with-idset.md)
- [Row Expression Comparison](https://docs.pinot.apache.org/build-with-pinot/querying-and-sql/sql-syntax/row-expression-comparison.md)
- [GapFill Function for Time-Series Dataset](https://docs.pinot.apache.org/build-with-pinot/querying-and-sql/sql-syntax/gap-fill-functions.md)
- [Query Syntax Overview](https://docs.pinot.apache.org/build-with-pinot/querying-and-sql/sql-syntax/query-syntax-overview.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://docs.pinot.apache.org/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://docs.pinot.apache.org/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/build-with-pinot/querying-and-sql/sql-syntax/grouping-algorithm.md`)
- Use `Accept: text/markdown` header for content negotiation