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DOCSP-44862 Update aggregation code examples #141

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Oct 31, 2024
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DOCSP-44862 Update aggregation code examples #141

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12 changes: 5 additions & 7 deletions source/includes/fundamentals/code-snippets/aggregation.rs
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
use bson::{ doc, DateTime };
use bson::{ doc, DateTime, Document };
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@stephmarie17 stephmarie17 Oct 31, 2024 •
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[note for tech reviewer] Are the all updates in this file also ok to backport for <3.0 versions or is there any difference to note?

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@isabelatkinson isabelatkinson Oct 31, 2024

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The actual call to aggregate is different pre-3.0 because the aggregate method used to accept a second parameter with options, but the removal of from_document would still apply

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@stephmarie17 stephmarie17 Oct 31, 2024

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Makes sense, ty!

use mongodb::{ Client, Collection };
use serde::{ Deserialize, Serialize };
use futures::stream::TryStreamExt;

#[tokio::main]
async fn main() -> mongodb::error::Result<()> {
Expand Down Expand Up @@ -42,8 +43,7 @@ async fn main() -> mongodb::error::Result<()> {

let mut results = my_coll.aggregate(age_pipeline).await?;
while let Some(result) = results.try_next().await? {
let doc = mongodb::bson::from_document(result)?;
println!("* {:?}", doc);
println!("* {:?}", result);
}
// end-age-agg

Expand All @@ -57,8 +57,7 @@ async fn main() -> mongodb::error::Result<()> {

let mut results = my_coll.aggregate(last_active_pipeline).await?;
while let Some(result) = results.try_next().await? {
let doc = mongodb::bson::from_document(result)?;
println!("* {:?}", doc);
println!("* {:?}", result);
}
// end-lastactive-agg

Expand All @@ -72,8 +71,7 @@ async fn main() -> mongodb::error::Result<()> {

let mut results = my_coll.aggregate(popularity_pipeline).await?;
while let Some(result) = results.try_next().await? {
let doc = mongodb::bson::from_document(result)?;
println!("* {:?}", doc);
println!("* {:?}", result);
}
// end-popular-agg

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