Struct chewdata::connector::bucket_select::BucketSelect
source · pub struct BucketSelect {
pub metadata: Metadata,
pub endpoint: Option<String>,
pub profile: String,
pub region: Option<String>,
pub bucket: String,
pub path: String,
pub query: String,
pub parameters: Box<Value>,
pub limit: Option<usize>,
pub skip: usize,
pub timeout: Option<Duration>,
/* private fields */
}
Fields§
§metadata: Metadata
§endpoint: Option<String>
§profile: String
§region: Option<String>
§bucket: String
§path: String
§query: String
§parameters: Box<Value>
§limit: Option<usize>
§skip: usize
§timeout: Option<Duration>
Implementations§
source§impl BucketSelect
impl BucketSelect
sourcepub async fn select_object_content(
&self
) -> Result<SelectObjectContentFluentBuilder>
pub async fn select_object_content( &self ) -> Result<SelectObjectContentFluentBuilder>
Get a Select object Content Request object with a BucketSelect connector.
Trait Implementations§
source§impl Clone for BucketSelect
impl Clone for BucketSelect
source§fn clone(&self) -> BucketSelect
fn clone(&self) -> BucketSelect
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresource§impl Connector for BucketSelect
impl Connector for BucketSelect
source§fn set_document(&mut self, document: Box<dyn Document>) -> Result<()>
fn set_document(&mut self, document: Box<dyn Document>) -> Result<()>
See Connector::set_document
for more details.
source§fn set_parameters(&mut self, parameters: Value)
fn set_parameters(&mut self, parameters: Value)
See Connector::set_parameters
for more details.
source§fn metadata(&self) -> Metadata
fn metadata(&self) -> Metadata
See Connector::metadata
for more details.
source§fn is_variable(&self) -> bool
fn is_variable(&self) -> bool
See Connector::is_variable
for more details.
§Example
use chewdata::connector::bucket_select::BucketSelect;
use chewdata::connector::Connector;
use serde_json::Value;
let mut connector = BucketSelect::default();
assert_eq!(false, connector.is_variable());
let params: Value = serde_json::from_str(r#"{"field":"value"}"#).unwrap();
connector.set_parameters(params);
connector.path = "/dir/filename_{{ field }}.ext".to_string();
assert_eq!(true, connector.is_variable());
source§fn is_resource_will_change(&self, new_parameters: Value) -> Result<bool>
fn is_resource_will_change(&self, new_parameters: Value) -> Result<bool>
See Connector::is_resource_will_change
for more details.
§Example
use chewdata::connector::{bucket_select::BucketSelect, Connector};
use serde_json::Value;
let mut connector = BucketSelect::default();
let params = serde_json::from_str(r#"{"field":"test"}"#).unwrap();
assert_eq!(false, connector.is_resource_will_change(Value::Null).unwrap());
connector.path = "/dir/static.ext".to_string();
assert_eq!(false, connector.is_resource_will_change(Value::Null).unwrap());
connector.path = "/dir/dynamic_{{ field }}.ext".to_string();
assert_eq!(true, connector.is_resource_will_change(params).unwrap());
source§fn path(&self) -> String
fn path(&self) -> String
See Connector::path
for more details.
§Examples
use chewdata::connector::bucket_select::BucketSelect;
use chewdata::connector::Connector;
use serde_json::Value;
let mut connector = BucketSelect::default();
connector.path = "/dir/filename_{{ field }}.ext".to_string();
let params: Value = serde_json::from_str(r#"{"field":"value"}"#).unwrap();
connector.set_parameters(params);
assert_eq!("/dir/filename_value.ext", connector.path());
source§fn len<'life0, 'async_trait>(
&'life0 self
) -> Pin<Box<dyn Future<Output = Result<usize>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn len<'life0, 'async_trait>(
&'life0 self
) -> Pin<Box<dyn Future<Output = Result<usize>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
See Connector::len
for more details.
§Examples
use chewdata::connector::bucket_select::BucketSelect;
use chewdata::connector::Connector;
use chewdata::document::json::Json;
use chewdata::Metadata;
use std::io;
#[async_std::main]
async fn main() -> io::Result<()> {
let mut connector = BucketSelect::default();
connector.endpoint = Some("http://localhost:9000".to_string());
connector.bucket = "my-bucket".to_string();
connector.path = "data/one_line.json".to_string();
connector.query = "select * from s3object".to_string();
connector.metadata = Metadata {
..Json::default().metadata
};
assert!(0 < connector.len().await?, "The length of the document is not greather than 0");
connector.path = "data/not-found-file".to_string();
assert_eq!(0, connector.len().await?);
Ok(())
}
source§fn fetch<'life0, 'async_trait>(
&'life0 mut self
) -> Pin<Box<dyn Future<Output = Result<Option<DataStream>>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn fetch<'life0, 'async_trait>(
&'life0 mut self
) -> Pin<Box<dyn Future<Output = Result<Option<DataStream>>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
See Connector::fetch
for more details.
§Examples
use chewdata::connector::{bucket_select::BucketSelect, Connector};
use chewdata::document::json::Json;
use chewdata::Metadata;
use futures::StreamExt;
use std::io;
#[async_std::main]
async fn main() -> io::Result<()> {
let document = Box::new(Json::default());
let mut connector = BucketSelect::default();
connector.path = "/data/one_line.json".to_string();
connector.endpoint = Some("http://localhost:9000".to_string());
connector.bucket = "my-bucket/".to_string();
connector.query = "select * from s3object".to_string();
connector.set_document(document);
let datastream = connector.fetch().await.unwrap().unwrap();
assert!(
0 < datastream.count().await,
"The inner connector should have a size upper than zero"
);
Ok(())
}
source§fn send<'life0, 'life1, 'async_trait>(
&'life0 mut self,
_dataset: &'life1 DataSet
) -> Pin<Box<dyn Future<Output = Result<Option<DataStream>>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
fn send<'life0, 'life1, 'async_trait>(
&'life0 mut self,
_dataset: &'life1 DataSet
) -> Pin<Box<dyn Future<Output = Result<Option<DataStream>>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
See Connector::send
for more details.
source§fn erase<'life0, 'async_trait>(
&'life0 mut self
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn erase<'life0, 'async_trait>(
&'life0 mut self
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
See Connector::erase
for more details.
source§fn paginate<'life0, 'async_trait>(
&'life0 self
) -> Pin<Box<dyn Future<Output = Result<Pin<Box<dyn Stream<Item = Result<Box<dyn Connector>>> + Send>>>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn paginate<'life0, 'async_trait>(
&'life0 self
) -> Pin<Box<dyn Future<Output = Result<Pin<Box<dyn Stream<Item = Result<Box<dyn Connector>>> + Send>>>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
See Connector::paginate
for more details.
source§fn set_metadata(&mut self, _metadata: Metadata)
fn set_metadata(&mut self, _metadata: Metadata)
Set the connector metadata that can change with the document metadata.
source§impl Debug for BucketSelect
impl Debug for BucketSelect
source§impl Default for BucketSelect
impl Default for BucketSelect
source§impl<'de> Deserialize<'de> for BucketSelectwhere
BucketSelect: Default,
impl<'de> Deserialize<'de> for BucketSelectwhere
BucketSelect: Default,
source§fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
Deserialize this value from the given Serde deserializer. Read more
Auto Trait Implementations§
impl Freeze for BucketSelect
impl !RefUnwindSafe for BucketSelect
impl Send for BucketSelect
impl Sync for BucketSelect
impl Unpin for BucketSelect
impl !UnwindSafe for BucketSelect
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§impl<T> ConnectorClone for T
impl<T> ConnectorClone for T
source§impl<T> DisplayOnlyForDebugging for Twhere
T: Debug,
impl<T> DisplayOnlyForDebugging for Twhere
T: Debug,
source§fn display_only_for_debugging(&self) -> String
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