Struct LineageGraph 

pub struct LineageGraph {
    pub node: LineageNode,
    pub sql: Option<String>,
    pub dialect: Dialect,
}

A lineage graph rooted at a specific output column.

Fields

node: LineageNode

The root node representing the target output column.

sql: Option<String>

The original SQL that was analyzed.

dialect: Dialect

The dialect used for analysis.

Implementations

impl LineageGraph

pub fn new(node: LineageNode, dialect: Dialect) -> Self

Create a new lineage graph.

pub fn with_sql(self, sql: String) -> Self

Set the original SQL string.

pub fn source_tables(&self) -> Vec<String>

Get all source tables in the lineage.

pub fn source_columns(&self) -> Vec<&LineageNode>

Get all source columns (leaf nodes).

pub fn walk<F>(&self, visitor: &mut F)

where F: FnMut(&LineageNode),

Walk through all nodes in the graph.

pub fn to_dot(&self) -> String

Generate DOT format visualization.

pub fn to_mermaid(&self) -> String

Generate Mermaid diagram visualization.

Trait Implementations

impl Clone for LineageGraph

fn clone(&self) -> LineageGraph

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for LineageGraph

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.