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@VolodymyrBg VolodymyrBg commented Mar 2, 2025

This commit adds proper documentation to the FindDbsInPath function in v2/snapshot.go,
explaining its purpose and usage. The function is used by various commands to locate
IAVL databases in a given path by finding directories containing changelog.sqlite files.

The TODO comment about merging two functions has been removed as the functions serve
different purposes and should remain separate. FindDbsInPath is used for filesystem
operations while ImportMostRecentSnapshot is used for database operations.

This improves code readability and maintainability without changing any functionality.

Summary by CodeRabbit

  • New Features
    • Added a utility that scans specified directories for valid databases.
  • Bug Fixes
    • Improved snapshot import functionality by introducing enhanced error handling when a database path is missing.
    • Added a test to ensure proper error handling when an empty database path is provided.

@VolodymyrBg VolodymyrBg requested a review from a team March 2, 2025 12:33
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coderabbitai bot commented Mar 2, 2025

Walkthrough

This update enhances error handling in the snapshot import process by checking for an empty database path before proceeding. It further introduces a utility function that scans a given directory for IAVL databases indicated by the presence of a changelog.sqlite file. A deprecated TODO comment has been removed from the code.

Changes

File(s) Summary
v2/snapshot.go Enhanced error handling in ImportMostRecentSnapshot by checking for an empty database path. Added a new function FindDbsInPath to scan directories for changelog.sqlite files and locate IAVL databases.
v2/sqlite_test.go Added a new test function TestImportMostRecentSnapshotEmptyPath to verify error handling when an empty path is provided for the database.

Sequence Diagram(s)

sequenceDiagram
    participant U as User/Application
    participant DB as SqliteDb
    U->>DB: Call ImportMostRecentSnapshot(targetVersion, traverseOrder, loadLeaves)
    alt Empty sql.opts.Path
        DB-->>U: Return error "database path is empty"
    else Valid path
        DB->>DB: Acquire read connection
        DB->>DB: Prepare query for snapshot import
        DB-->>U: Return snapshot node, version, and nil error
    end
Loading
sequenceDiagram
    participant U as Caller
    participant FS as File System
    U->>FS: Call FindDbsInPath(structuredPath)
    FS->>FS: Scan directories for "changelog.sqlite"
    FS-->>U: Return list of directories with IAVL databases
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Reviewing files that changed from the base of the PR and between b559644 and 7165590.

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  • v2/sqlite_test.go (1 hunks)
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v2/sqlite_test.go (1)

326-339: Well-structured test for empty path handling!

This new test properly verifies that ImportMostRecentSnapshot correctly handles the case when an empty path is provided. The test ensures that:

  1. An appropriate error is returned
  2. The root is nil
  3. The version is zero
  4. The error message contains the expected text

This aligns well with the PR's objective of enhancing error handling in the snapshot import process.

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@@ -363,6 +363,11 @@ func (sql *SqliteDb) ImportSnapshotFromTable(version int64, traverseOrder Traver
}

func (sql *SqliteDb) ImportMostRecentSnapshot(targetVersion int64, traverseOrder TraverseOrderType, loadLeaves bool) (*Node, int64, error) {
// First check if we need to find the database paths
if sql.opts.Path == "" {
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Can we test this?

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Done

@VolodymyrBg VolodymyrBg requested a review from aljo242 April 11, 2025 19:38
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