Struct DuckdbBackend

pub struct DuckdbBackend { /* private fields */ }

A backend that uses DuckDB to query stac-geoparquet.

Implementations

impl DuckdbBackend

pub async fn new(href: impl ToString) -> Result<DuckdbBackend>

Creates a new DuckDB backend pointing to a single stac-geoparquet file.

Examples

use stac_server::DuckdbBackend;
let backend = DuckdbBackend::new("data/100-sentinel-2-items.parquet").await.unwrap();

Trait Implementations

impl Backend for DuckdbBackend

fn has_item_search(&self) -> bool

Returns true if this backend has item search capabilities.

fn has_filter(&self) -> bool

Returns true if this backend has filter capabilities.

async fn collections(&self) -> Result<Vec<Collection>>

Returns all collections.

async fn collection(&self, id: &str) -> Result<Option<Collection>>

Returns a single collection.

async fn add_collection(&mut self, _collection: Collection) -> Result<()>

Adds a collection.

async fn add_item(&mut self, _item: Item) -> Result<()>

Adds an item.

async fn add_items(&mut self, _items: Vec<Item>) -> Result<()>

Adds multiple items.

async fn item(&self, collection_id: &str, item_id: &str) -> Result<Option<Item>>

Retrieves an item from a collection.

async fn items( &self, collection_id: &str, items: Items, ) -> Result<Option<ItemCollection>>

Retrieves items for a given collection.

async fn search(&self, search: Search) -> Result<ItemCollection>

Searches a backend.

impl Clone for DuckdbBackend

fn clone(&self) -> DuckdbBackend

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DuckdbBackend

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

Formats the value using the given formatter.