use h3_compact_cells in functions query

[sleeping-h]

Summary by CodeRabbit

• Refactor
  • Improved the aggregation logic to calculate averages with a default value when no data is present.
  • Streamlined spatial data processing for more consistent and accurate aggregation of regional metrics.
  • Simplified query generation to enhance overall data handling and output reliability.

[coderabbitai]

Walkthrough

The changes modify the SQL generation logic in the Java repository and adjust the SQL query structure in the accompanying resource file. In the FunctionsRepository class, the SQL query building now uses coalesce for average calculations instead of a series of left joins, simplifies the assembly using String.format, and adds a debug printout. The SQL query in function_intersect_v2.sql is revised by renaming one CTE and adding a new CTE that aggregates H3 values, while the join conditions are updated to focus solely on geometry intersections.

Changes

File	Change Summary
src/main/java/io/.../FunctionsRepository.java	Removed left joins to stat_h3_transposed; replaced logic with coalesce for averaging; eliminated joinSQL construction; added a debug statement to print the final query.
src/main/resources/sql.queries/.../function_intersect_v2.sql	Renamed CTE hexes to hexes_8; commented out bounding box join condition, leaving only intersection checks; added a new CTE hexes using h3_compact_cells for aggregation.

Sequence Diagram(s)

sequenceDiagram
    participant Repo as FunctionsRepository
    participant DB as Database Engine
    Note over Repo: Build SQL query using updated logic
    Repo->>Repo: Construct query with coalesce and String.format
    Repo->>Console: Log the constructed query (debug print)
    Repo->>DB: Execute the SQL query
    DB-->>Repo: Return aggregated results

Loading

sequenceDiagram
    participant Q as SQL Query Engine
    Note over Q: Processing in function_intersect_v2.sql
    Q->>Q: Execute CTE "hexes_8" (select distinct H3 from stat_h3_geom)
    Q->>Q: Apply h3_compact_cells to aggregate -> New CTE "hexes"
    Q->>Q: Join "stat_h3_transposed" with aggregated "hexes"
    Q-->>User: Return final result set

Loading

Poem

I'm a rabbit in a digital glen, hopping through lines of code so fine,
Left joins skipped, now coalesce shines like a sign.
CTEs renamed, new paths are found,
Debug prints echo, a joyful sound.
With each SQL hop, my code garden grows—
A merry dance of data that forever flows!
🐇💕

---

📜 Recent review details

Configuration used: CodeRabbit UI
Review profile: ASSERTIVE
Plan: Free

📥 Commits

Reviewing files that changed from the base of the PR and between bb1eb7e and ba436f0.

📒 Files selected for processing (2)

• src/main/java/io/kontur/insightsapi/repository/FunctionsRepository.java (1 hunks)
• src/main/resources/sql.queries/function_intersect_v2.sql (1 hunks)

---

Note

🎁 Summarized by CodeRabbit Free

Your organization is on the Free plan. CodeRabbit will generate a high-level summary and a walkthrough for each pull request. For a comprehensive line-by-line review, please upgrade your subscription to CodeRabbit Pro by visiting https://app.coderabbit.ai/login.

🪧 Tips

Chat

There are 3 ways to chat with CodeRabbit:

• Review comments: Directly reply to a review comment made by CodeRabbit. Example:
  • I pushed a fix in commit <commit_id>, please review it.
  • Generate unit testing code for this file.
  • Open a follow-up GitHub issue for this discussion.
• Files and specific lines of code (under the "Files changed" tab): Tag @coderabbitai in a new review comment at the desired location with your query. Examples:
  • @coderabbitai generate unit testing code for this file.
  • @coderabbitai modularize this function.
• PR comments: Tag @coderabbitai in a new PR comment to ask questions about the PR branch. For the best results, please provide a very specific query, as very limited context is provided in this mode. Examples:
  • @coderabbitai gather interesting stats about this repository and render them as a table. Additionally, render a pie chart showing the language distribution in the codebase.
  • @coderabbitai read src/utils.ts and generate unit testing code.
  • @coderabbitai read the files in the src/scheduler package and generate a class diagram using mermaid and a README in the markdown format.
  • @coderabbitai help me debug CodeRabbit configuration file.

Note: Be mindful of the bot's finite context window. It's strongly recommended to break down tasks such as reading entire modules into smaller chunks. For a focused discussion, use review comments to chat about specific files and their changes, instead of using the PR comments.

CodeRabbit Commands (Invoked using PR comments)

• @coderabbitai pause to pause the reviews on a PR.
• @coderabbitai resume to resume the paused reviews.
• @coderabbitai review to trigger an incremental review. This is useful when automatic reviews are disabled for the repository.
• @coderabbitai full review to do a full review from scratch and review all the files again.
• @coderabbitai summary to regenerate the summary of the PR.
• @coderabbitai generate docstrings to generate docstrings for this PR. (Beta)
• @coderabbitai resolve resolve all the CodeRabbit review comments.
• @coderabbitai configuration to show the current CodeRabbit configuration for the repository.
• @coderabbitai help to get help.

Other keywords and placeholders

• Add @coderabbitai ignore anywhere in the PR description to prevent this PR from being reviewed.
• Add @coderabbitai summary to generate the high-level summary at a specific location in the PR description.
• Add @coderabbitai anywhere in the PR title to generate the title automatically.

CodeRabbit Configuration File (.coderabbit.yaml)

• You can programmatically configure CodeRabbit by adding a .coderabbit.yaml file to the root of your repository.
• Please see the configuration documentation for more information.
• If your editor has YAML language server enabled, you can add the path at the top of this file to enable auto-completion and validation: # yaml-language-server: $schema=https://coderabbit.ai/integrations/schema.v2.json

Documentation and Community

• Visit our Documentation for detailed information on how to use CodeRabbit.
• Join our Discord Community to get help, request features, and share feedback.
• Follow us on X/Twitter for updates and announcements.