Struct PgConn 

pub struct PgConn {
    pub(crate) conn: *mut PGconn,
}

Fields

conn: *mut PGconn

Implementations

impl PgConn

pub fn connect_db_env_vars() -> Result<PgConn, NulError>

Connect to the database using environment variables.

See the official doc.

pub fn connect_db(s: &str) -> Result<PgConn, NulError>

pub fn status(&self) -> ConnStatusType

pub fn exec(&self, query: &str) -> Result<PgResult, NulError>

pub fn exec_file(&self, file_path: &str) -> Result<PgResult, NulError>

pub fn trace(&mut self, file: &str)

pub fn untrace(&mut self)

pub fn socket(&self) -> PgSocket

pub fn consume_input(&mut self) -> Result<(), String>

pub fn notifies(&mut self) -> Option<PgNotify>

pub fn error_message(&self) -> String

pub(crate) extern "C" fn ffi_notice_processor<F>( arg: *mut c_void, data: *const c_char, )

where F: FnMut(String),

A callback function to receive notices from the server. https://stackoverflow.com/questions/24191249/working-with-c-void-in-an-ffi https://adventures.michaelfbryan.com/posts/rust-closures-in-ffi/

pub fn set_notice_processor<F>(&mut self, proc: F) -> Box<F>

where F: FnMut(String),

pub(crate) extern "C" fn ffi_notice_receiver<F>( arg: *mut c_void, data: *const PGresult, )

where F: FnMut(PgResult),

pub fn set_notice_receiver<F>(&mut self, proc: F) -> Box<F>

where F: FnMut(PgResult),

Sets a notice receiver function to receive notices from the server. Notices are sent to the receiver after command execution is completed. https://www.postgresql.org/docs/current/libpq-notice-processing.html

pub fn listen<F, T>(&mut self, timeout_sec: Option<f64>, proc: F) -> Vec<T>

where F: Fn(usize, PgNotify) -> ControlFlow<(), Option<T>>,

Trait Implementations

impl Drop for PgConn

fn drop(&mut self)

Executes the destructor for this type.

impl Send for PgConn

impl Sync for PgConn