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Merged
LuceCarter merged 1 commit into from
Nov 24, 2025
Merged

Make a couple of indentation changes for readability #33

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19 changes: 14 additions & 5 deletions docs/40-CRUD/1-WHERE.mdx
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Original file line number Diff line number Diff line change
Expand Up @@ -120,9 +120,9 @@ Now, translate the following into a MongoDB query.

List<Book> filteredBooks = booksCollection.Find(booksWithTotalInventoryOf5).ToList<Book>();

if(filteredBooks != null)
if (filteredBooks != null)
{
foreach(var book in filteredBooks)
foreach (var book in filteredBooks)
{
Console.WriteLine($"Book Title: {book.Title} - Total Inventory: {book.TotalInventory}");
}
Expand Down Expand Up @@ -164,9 +164,9 @@ Now, translate the following into a MongoDB query.

List<Book> filteredBooks = booksCollection.Find(booksWithMoreThan300Pages).ToList<Book>();

if(filteredBooks != null)
if (filteredBooks != null)
{
foreach(var book in filteredBooks)
foreach (var book in filteredBooks)
{
Console.WriteLine($"Book Title: {book.Title} - Pages: {book.Pages}");
}
Expand Down Expand Up @@ -203,7 +203,16 @@ Now, translate the following into a MongoDB query.
<TabItem value="csharp" label="C#">
<div>
```csharp
var booksWithGenreScienceAndMoreThan300Pages = Builders<Book>.Filter.And(Builders<Book>.Filter.AnyEq(b => b.Genres, "Science"), Builders<Book>.Filter.Gt(b => b.Pages, 300));
var booksWithGenreScienceAndMoreThan300Pages = Builders<Book>
.Filter
.And(
Builders<Book>
.Filter
.AnyEq(b => b.Genres, "Science"),
Builders<Book>
.Filter
.Gt(b => b.Pages, 300)
);

var filteredBooks = booksCollection
.Find(booksWithGenreScienceAndMoreThan300Pages)
Expand Down
8 changes: 4 additions & 4 deletions docs/40-CRUD/2-SELECT.mdx
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Original file line number Diff line number Diff line change
Expand Up @@ -107,9 +107,9 @@ Here:

var booksWithOnlyTitle = booksCollection.Find(b => true).Project<Book>(projection).Limit(50).ToList();

if(booksWithOnlyTitle != null)
if (booksWithOnlyTitle != null)
{
foreach(var book in booksWithOnlyTitle)
foreach (var book in booksWithOnlyTitle)
{
Console.WriteLine(book.ToJson()); // Shows the entire BSON document as JSON to show that some fields are null because they are not returned due to the projection
}
Expand Down Expand Up @@ -156,9 +156,9 @@ Here:
List<Book> sortedBooks = booksCollection.Find(historyGenre)
.Project<Book>(projection).Limit(50).ToList();

if(sortedBooks != null)
if (sortedBooks != null)
{
foreach(var book in sortedBooks)
foreach (var book in sortedBooks)
{
Console.WriteLine(book.ToJson()); // Shows the entire BSON document as JSON to show that some fields are null because they are not returned due to the projection
}
Expand Down
58 changes: 29 additions & 29 deletions docs/50-aggregation/2-match-project.mdx
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Original file line number Diff line number Diff line change
Expand Up @@ -121,22 +121,22 @@ db.books.aggregate([
<TabItem value="csharp" label="C#">
<div>
```csharp
var pipeline = booksCollection.Aggregate()
.Match(b => b.Available > 2);

var plentifulBooks = pipeline.ToList();

if(plentifulBooks != null)
{
foreach(var book in plentifulBooks)
{
Console.WriteLine($"Title: {book.Title} - Available: {book.Available}");
}
}
else
{
Console.WriteLine("Empty Collection");
}
var pipeline = booksCollection.Aggregate()
.Match(b => b.Available > 2);

var plentifulBooks = pipeline.ToList();

if (plentifulBooks != null)
{
foreach (var book in plentifulBooks)
{
Console.WriteLine($"Title: {book.Title} - Available: {book.Available}");
}
}
else
{
Console.WriteLine("Empty Collection");
}
```
</div>
</TabItem>
Expand Down Expand Up @@ -171,23 +171,23 @@ db.books.aggregate([
<TabItem value="csharp" label="C#">
<div>
```csharp
var pipeline = booksCollection.Aggregate()
.Match(b => b.Available > 2)
.Project(b => new { b.Title, b.Year });
var pipeline = booksCollection.Aggregate()
.Match(b => b.Available > 2)
.Project(b => new { b.Title, b.Year });

var plentifulBooks = pipeline.ToList();
var plentifulBooks = pipeline.ToList();

if(plentifulBooks != null)
{
foreach(var book in plentifulBooks)
{
Console.WriteLine($"Title: {book.Title} - Year: {book.Year}");
}
}
else
if (plentifulBooks != null)
{
foreach (var book in plentifulBooks)
{
Console.WriteLine("Empty Collection");
Console.WriteLine($"Title: {book.Title} - Year: {book.Year}");
}
}
else
{
Console.WriteLine("Empty Collection");
}
```
</div>
</TabItem>
Expand Down
18 changes: 10 additions & 8 deletions docs/50-aggregation/3-sort-limit.mdx
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Original file line number Diff line number Diff line change
Expand Up @@ -171,16 +171,18 @@ Learn [when to use $addFields over $project](https://www.practical-mongodb-aggre
<TabItem value="addFields" label="Using $addFields">
<div>
```csharp
var pipeline = booksCollection.Aggregate()
.Match(b => b.Year > 2000)
.Match(Builders<Book>.Filter.Exists(b => b.Authors))
.AppendStage<BsonDocument>(
new BsonDocument("$addFields", new BsonDocument("numAuthors", new BsonDocument("$size", "$authors")))
var pipeline = booksCollection.Aggregate()
.Match(b => b.Year > 2000)
.Match(Builders<Book>.Filter.Exists(b => b.Authors))
.AppendStage<BsonDocument>(
new BsonDocument("$addFields",
new BsonDocument("numAuthors", new BsonDocument("$size", "$authors"))
)
)
.Sort(new BsonDocument("numAuthors", -1))
.Limit(1);
.Sort(new BsonDocument("numAuthors", -1))
.Limit(1);

var mostAuthors = pipeline.ToList();
var mostAuthors = pipeline.ToList();
```
</div>
</TabItem>
Expand Down
1 change: 1 addition & 0 deletions docs/50-aggregation/4-group.mdx
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Original file line number Diff line number Diff line change
Expand Up @@ -159,6 +159,7 @@ GROUP BY year;
[BsonElement("avgRating")]
public double AvgRating { get; set; }
}

var pipeline = reviewsCollection.Aggregate()
.Group(
r => r.BookId,
Expand Down
20 changes: 18 additions & 2 deletions docs/50-aggregation/7-merge.mdx
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Original file line number Diff line number Diff line change
Expand Up @@ -165,8 +165,24 @@ ON DUPLICATE KEY UPDATE totalBooks = VALUES(totalBooks);
```csharp
var pipeline = authorsCollection.Aggregate()
.AppendStage<BsonDocument>(new BsonDocument{"$unwind", "$books"})
.AppendStage<BsonDocument>(new BsonDocument{"$group", new BsonDocument{{"_id","$name"},{"totalBooks", new BsonDocument{"$sum", 1}}}})
.AppendStage<BsonDocument>(new BsonDocument{"$merge", new BsonDocument{{"into","author_stats"},{"on","_id"},{"whenMatched","merge"},{"whenNotMatched","insert"}}});
.AppendStage<BsonDocument>(new BsonDocument{
"$group",
new BsonDocument{
{"_id","$name"},
{"totalBooks", new BsonDocument{"$sum", 1}}
}
}
)
.AppendStage<BsonDocument>(new BsonDocument{
"$merge",
new BsonDocument{
{"into","author_stats"},
{"on","_id"},
{"whenMatched","merge"},
{"whenNotMatched","insert"}
}
}
);

var result = pipeline.ToList();
```
Expand Down