Struct arrow_flight::sql::metadata::SqlInfoDataBuilder

pub struct SqlInfoDataBuilder { /* private fields */ }

Helper to create CommandGetSqlInfo responses.

CommandGetSqlInfo are metadata requests used by a Flight SQL server to communicate supported capabilities to Flight SQL clients.

Servers constuct - usually static - SqlInfoData via the [SqlInfoDataBuilder], and build responses by passing the [GetSqlInfoBuilder`].

Implementations

impl SqlInfoDataBuilder

pub fn new() -> Self

pub fn append(&mut self, name: impl SqlInfoName, value: impl Into<SqlInfoValue>)

register the specific sql metadata item

pub fn build(self) -> Result<SqlInfoData>

Encode the contents of this list according to the FlightSQL spec

pub fn schema() -> &'static Schema

Return the Schema for a GetSchema RPC call with crate::sql::CommandGetSqlInfo

Trait Implementations

impl Clone for SqlInfoDataBuilder

fn clone(&self) -> SqlInfoDataBuilder

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for SqlInfoDataBuilder

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

Formats the value using the given formatter.

impl Default for SqlInfoDataBuilder

fn default() -> Self

Returns the “default value” for a type.

impl PartialEq<SqlInfoDataBuilder> for SqlInfoDataBuilder

fn eq(&self, other: &SqlInfoDataBuilder) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for SqlInfoDataBuilder