BsonExpressionExecuteScalar(BsonDocument, Collation) Method

Execute scalar expression over single document and return a single value (or BsonNull when empty). Throws exception if expression are not scalar expression

Namespace: Internal.LiteDB
Assembly: NeoAxis.Core (in NeoAxis.Core.dll) Version: 2026.1.1.0 (2026.1.1.0)

Syntax

Copy

public BsonValue ExecuteScalar(
	BsonDocument root,
	Collation collation = null
)

Parameters

root BsonDocument
collation Collation (Optional)

Return Value

BsonValue

Reference

BsonExpression Class

ExecuteScalar Overload

Internal.LiteDB Namespace