Struct ConnectionBuilder 

pub struct ConnectionBuilder { /* private fields */ }

Builder for creating ClickHouse clients with custom configuration.

This builder captures the configuration needed to create multiple ClickHouse client instances. It exposes the same with_* methods as the clickhouse::Client struct.

Implementations

impl ConnectionBuilder

pub fn new() -> Self

Creates a new ConnectionBuilder with default settings.

pub fn with_url(self, url: impl Into<String>) -> Self

Sets the ClickHouse server URL.

pub fn with_database(self, database: impl Into<String>) -> Self

Sets the default database.

pub fn with_user(self, user: impl Into<String>) -> Self

Sets the database user.

pub fn with_password(self, password: impl Into<String>) -> Self

Sets the database password.

pub fn with_access_token(self, access_token: impl Into<String>) -> Self

Sets the access token for authentication.

pub fn with_compression(self, compression: Compression) -> Self

Sets the compression method.

pub fn with_header( self, name: impl Into<String>, value: impl Into<String>, ) -> Self

Adds a custom HTTP header.

pub fn with_option( self, name: impl Into<String>, value: impl Into<String>, ) -> Self

Adds a ClickHouse query option.

pub fn with_roles<I>(self, roles: I) -> Self

where I: IntoIterator, I::Item: Into<String>,

Sets the roles for the connection.

pub fn with_default_roles(self) -> Self

Enables default roles for the connection.

pub fn with_product_info( self, product_name: impl Into<String>, product_version: impl Into<String>, ) -> Self

Sets product information for the client.

pub fn with_validation(self, enabled: bool) -> Self

Enables or disables request validation.

Trait Implementations

impl Clone for ConnectionBuilder

fn clone(&self) -> ConnectionBuilder

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Default for ConnectionBuilder

fn default() -> Self

Returns the “default value” for a type.