ILiteCollectionTEnsureIndex(BsonExpression, Boolean) Method

Create a new permanent index in all documents inside this collections if index not exists already. Returns true if index was created or false if already exits

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

Syntax

Copy

bool EnsureIndex(
	BsonExpression expression,
	bool unique = false
)

Parameters

expression BsonExpression: Document field/expression
unique Boolean (Optional): If is a unique index

Return Value

Boolean

Reference

ILiteCollectionT Interface

EnsureIndex Overload

Internal.LiteDB Namespace