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Run Lineage Visualizer Shiny App

Source: R/shiny.R
ont_run_lineage_viewer.Rd

Launches an interactive Shiny application for visualizing data lineage, datasets, transforms, and their relationships in a directed acyclic graph.

Usage

ont_run_lineage_viewer(db_path = NULL, launch.browser = TRUE)

Arguments

db_path

Character. Path to the DuckDB database file. If NULL, the app will prompt for connection details.

launch.browser

Logical. Whether to open the app in a browser. Default TRUE.

Value

This function runs the Shiny app and does not return a value.

Details

The Lineage Visualizer provides:

  • Interactive DAG visualization of datasets and transforms

  • Upstream/downstream dependency exploration

  • Searchable tables for datasets, transforms, and runs

  • Impact analysis to understand change propagation

Node types are distinguished by shape and color:

  • Source datasets: Gray database icons

  • Materialized datasets: Green diamonds

  • Derived datasets: Blue boxes

  • Transforms: Yellow squares

Examples

if (FALSE) { # \dontrun{
# Launch with default settings
ont_run_lineage_viewer()

# Launch pointing to a specific database
ont_run_lineage_viewer(db_path = "my_ontology.duckdb")
} # }