Struct OdbcValueRef 

pub struct OdbcValueRef<'r> { /* private fields */ }

Available on crate feature odbc only.

Implementations

impl<'r> OdbcValueRef<'r>

Utility methods for OdbcValueRef

pub fn new( batch: &'r OdbcBatch, row_index: usize, column_index: usize, ) -> OdbcValueRef<'r>

Create a new OdbcValueRef from batch, row index, and column index

pub fn get_raw(&self) -> Option<OdbcValueType>

Get the raw value from the column data

pub fn int<T>(&self) -> Option<T>

where T: TryFromInt,

Try to get the value as i64

pub fn try_int<T>(&self) -> Result<T, Error>

where T: TryFromInt + Type<Odbc>,

pub fn try_float<T>(&self) -> Result<T, Error>

where T: TryFromFloat + Type<Odbc>,

pub fn float<T>(&self) -> Option<T>

where T: TryFromFloat,

Try to get the value as f64

pub fn text(&self) -> Option<&'r str>

Try to get the value as string slice

pub fn blob(&self) -> Option<&'r [u8]>

Try to get the value as binary slice

pub fn date(&self) -> Option<Date>

Try to get the raw ODBC Date value

pub fn time(&self) -> Option<Time>

Try to get the raw ODBC Time value

pub fn timestamp(&self) -> Option<Timestamp>

Try to get the raw ODBC Timestamp value

Trait Implementations

impl<'r> Debug for OdbcValueRef<'r>

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

Formats the value using the given formatter.

impl<'r> From<OdbcValueRef<'r>> for AnyValueRef<'r>

Available on crate feature any only.

fn from(value: OdbcValueRef<'r>) -> AnyValueRef<'r>

Converts to this type from the input type.

impl<'r> TryFrom<AnyValueRef<'r>> for OdbcValueRef<'r>

type Error = Error

The type returned in the event of a conversion error.

fn try_from( value: AnyValueRef<'r>, ) -> Result<OdbcValueRef<'r>, <OdbcValueRef<'r> as TryFrom<AnyValueRef<'r>>>::Error>

Performs the conversion.

impl<'r> ValueRef<'r> for OdbcValueRef<'r>

type Database = Odbc

fn to_owned(&self) -> OdbcValue

Creates an owned value from this value reference.

fn type_info(&self) -> Cow<'_, OdbcTypeInfo>

Get the type information for this value.

fn is_null(&self) -> bool

Returns true if the SQL value is NULL.