Struct hdbconnect::ParameterDescriptor

pub struct ParameterDescriptor { /* fields omitted */ }

Metadata for a parameter.

Methods

impl ParameterDescriptor

fn binding(&self) -> ParameterBinding

Describes whether a parameter can be NULL or not, or if it has a default value.

fn is_nullable(&self) -> bool

fn has_default(&self) -> bool

fn is_auto_incremented(&self) -> bool

fn is_array_type(&self) -> bool

fn type_id(&self) -> u8

Returns the id of the value type of the parameter. See also module type_id.

fn scale(&self) -> u16

Scale (for some numeric types only).

fn precision(&self) -> u16

Precision (for some numeric types only).

fn direction(&self) -> ParameterDirection

Describes whether a parameter is used for input, output, or both.

fn name(&self) -> Option<&String>

Returns the name of the parameter.

Trait Implementations

impl Clone for ParameterDescriptor

fn clone(&self) -> ParameterDescriptor

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ParameterDescriptor

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.