Struct QueryTreeView 

pub struct QueryTreeView { /* private fields */ }

Query tree view for visualizing query structure.

Displays SQL query structure as an ASCII/Unicode tree.

Implementations

impl QueryTreeView

pub fn new(root_label: impl Into<String>) -> Self

Create a new query tree with a root label.

pub fn add_node( self, label: impl Into<String>, value: impl Into<String>, ) -> Self

Add a simple node with label and optional value.

pub fn add_child( self, label: impl Into<String>, items: impl IntoIterator<Item = impl Into<String>>, ) -> Self

Add a node with children (for lists like columns).

pub fn add_tree_node(self, node: TreeNode) -> Self

Add a pre-built tree node.

pub fn theme(self, theme: Theme) -> Self

Set the theme for styled output.

pub fn ascii(self) -> Self

Use ASCII characters instead of Unicode.

pub fn unicode(self) -> Self

Use Unicode box drawing characters.

pub fn render_plain(&self) -> String

Render the tree as plain text.

pub fn render_styled(&self) -> String

Render the tree as styled text with ANSI colors.

pub fn to_json(&self) -> Value

Render as JSON-serializable structure.

Trait Implementations

impl Clone for QueryTreeView

fn clone(&self) -> QueryTreeView

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for QueryTreeView

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

Formats the value using the given formatter.

impl Default for QueryTreeView

fn default() -> Self

Returns the “default value” for a type.