Struct AsyncConnection 

pub struct AsyncConnection { /* private fields */ }

Async version of Connection following vertica-sql-go patterns

Implementations

impl AsyncConnection

pub async fn new(config: ConnectionConfig) -> Result<Self>

Create a new async connection

pub async fn new_from_url(url: &str) -> Result<Self>

Create a new async connection from URL

pub async fn simple_query(&mut self, query: &str) -> Result<QueryResult>

Async simple query

pub fn state(&self) -> ConnectionState

Get connection state

pub fn is_ready(&self) -> bool

Check if connection is ready

pub fn parameters(&self) -> &HashMap<String, String>

Get server parameters

pub async fn prepare(&mut self, stmt_id: &str, query: &str) -> Result<()>

Prepare a SQL statement - 修复实现，更健壮地处理非标准响应

pub async fn execute_prepared( &mut self, statement_id: &str, params: &[Value], ) -> Result<QueryResult>

Execute prepared statement

pub async fn close(&mut self) -> Result<()>

Close connection

Trait Implementations

impl Debug for AsyncConnection

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.