Struct c3p0_pool_pg::r2d2::postgres::rows::Row

pub struct Row<'a> { /* fields omitted */ }

A single result row of a query.

Methods

impl<'a> Row<'a>

pub fn len(&self) -> usize

Returns the number of values in the row.

pub fn is_empty(&self) -> bool

Determines if there are any values in the row.

pub fn columns(&self) -> &[Column]

Returns a slice describing the columns of the Row.

pub fn get<I, T>(&self, idx: I) -> T where
    I: RowIndex + Debug,
    T: FromSql, 

Retrieves the contents of a field of the row.

A field can be accessed by the name or index of its column, though access by index is more efficient. Rows are 0-indexed.

Panics

Panics if the index does not reference a column or the return type is not compatible with the Postgres type.

Example

let stmt = conn.prepare("SELECT foo, bar from BAZ").unwrap();
for row in &stmt.query(&[]).unwrap() {
    let foo: i32 = row.get(0);
    let bar: String = row.get("bar");
    println!("{}: {}", foo, bar);
}

pub fn get_opt<I, T>(&self, idx: I) -> Option<Result<T, Error>> where
    I: RowIndex,
    T: FromSql, 

Retrieves the contents of a field of the row.

A field can be accessed by the name or index of its column, though access by index is more efficient. Rows are 0-indexed.

Returns None if the index does not reference a column, Some(Err(..)) if there was an error converting the result value, and Some(Ok(..)) on success.

pub fn get_bytes<I>(&self, idx: I) -> Option<&[u8]> where
    I: RowIndex + Debug, 

Retrieves the specified field as a raw buffer of Postgres data.

Panics

Panics if the index does not reference a column.

Trait Implementations

impl<'a> Debug for Row<'a>

fn fmt(&self, fmt: &mut Formatter) -> Result<(), Error>

Formats the value using the given formatter.