landing_page/qdrant-landing/content/documentation/headless/snippets/create-payload-index/integer-is-principal/rust.rs

use qdrant_client::qdrant::{
    CreateFieldIndexCollectionBuilder,
    IntegerIndexParamsBuilder,
    FieldType
};
use qdrant_client::Qdrant;

pub async fn main() -> anyhow::Result<()> {
    let client = Qdrant::from_url("http://localhost:6334").build()?;

    client.create_field_index(
        CreateFieldIndexCollectionBuilder::new(
            "{collection_name}",
            "timestamp",
            FieldType::Integer,
        )
        .field_index_params(
            IntegerIndexParamsBuilder::default()
                .is_principal(true),
        ),
    ).await?;

    Ok(())
}