Struct SqlOrderByComponent

pub struct SqlOrderByComponent {
    pub table_name: Name,
    pub column_name: Name,
    pub order_type: OrderType,
    pub null_strategy: NullStrategy,
}

Struct for generating the ORDER BY clause.

Fields

table_name: Name

column_name: Name

order_type: OrderType

null_strategy: NullStrategy

Implementations

impl SqlOrderByComponent

pub fn to_mysql_order_by_clause_component<'a>( &self, s: &'a mut String, ) -> &'a str

Available on crate feature mysql only.

Generate an ORDER BY component for MySQL.

`<table_name>`.`<column_name>` <order_type>

pub fn format_mysql_order_by_components<'a>( order_by_components: &[SqlOrderByComponent], s: &'a mut String, ) -> &'a str

Available on crate feature mysql only.

Generate an ORDER BY clause for MySQL.

If there is at least one component, the result string will starts with ORDER BY, and concatenate a series of SqlOrderByComponents with ,.

ORDER BY <SqlOrderByComponent[0]>, <SqlOrderByComponent[1]>

impl SqlOrderByComponent

pub fn to_sqlite_order_by_clause_component<'a>( &self, s: &'a mut String, ) -> &'a str

Available on crate feature sqlite only.

Generate an ORDER BY component for SQLite.

`<table_name>`.`<column_name>` <order_type>

pub fn format_sqlite_order_by_components<'a>( order_by_components: &[SqlOrderByComponent], s: &'a mut String, ) -> &'a str

Available on crate feature sqlite only.

Generate an ORDER BY clause for SQLite.

If there is at least one component, the result string will starts with ORDER BY, and concatenate a series of SqlOrderByComponents with ,.

ORDER BY <SqlOrderByComponent[0]>, <SqlOrderByComponent[1]>

Trait Implementations

impl Clone for SqlOrderByComponent

fn clone(&self) -> SqlOrderByComponent

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for SqlOrderByComponent

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

Formats the value using the given formatter.