Struct PgColumn 

pub struct PgColumn { /* private fields */ }

Available on crate feature postgres only.

Implementations

impl PgColumn

pub fn relation_id(&self) -> Option<Oid>

Returns the OID of the table this column is from, if applicable.

This will be None if the column is the result of an expression.

Corresponds to column attrelid of the pg_catalog.pg_attribute table: https://www.postgresql.org/docs/current/catalog-pg-attribute.html

pub fn relation_attribute_no(&self) -> Option<i16>

Returns the 1-based index of this column in its parent table, if applicable.

This will be None if the column is the result of an expression.

Corresponds to column attnum of the pg_catalog.pg_attribute table: https://www.postgresql.org/docs/current/catalog-pg-attribute.html

Trait Implementations

impl Clone for PgColumn

fn clone(&self) -> PgColumn

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Column for PgColumn

type Database = Postgres

fn ordinal(&self) -> usize

Gets the column ordinal.

fn name(&self) -> &str

Gets the column name or alias.

fn type_info(&self) -> &PgTypeInfo

Gets the type information for the column.

fn origin(&self) -> ColumnOrigin

If this column comes from a table, return the table and original column name.

impl Debug for PgColumn

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for PgColumn

fn deserialize<__D>( __deserializer: __D, ) -> Result<PgColumn, <__D as Deserializer<'de>>::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for PgColumn

fn serialize<__S>( &self, __serializer: __S, ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.