Struct AddColumnsEntry 

pub struct AddColumnsEntry {
    pub name: String,
    pub expression: Option<Option<String>>,
    pub virtual_column: Option<Option<Box<AddVirtualColumnEntry>>>,
}

Fields

name: String

Name of the new column

expression: Option<Option<String>>

SQL expression for the column (optional if virtual_column is specified)

virtual_column: Option<Option<Box<AddVirtualColumnEntry>>>

Implementations

impl AddColumnsEntry

pub fn new(name: String) -> AddColumnsEntry

Trait Implementations

impl Clone for AddColumnsEntry

fn clone(&self) -> AddColumnsEntry

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for AddColumnsEntry

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

Formats the value using the given formatter.

impl Default for AddColumnsEntry

fn default() -> AddColumnsEntry

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for AddColumnsEntry

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for AddColumnsEntry

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

Tests for self and other values to be equal, and is used by ==.

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

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

impl Serialize for AddColumnsEntry

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.

impl StructuralPartialEq for AddColumnsEntry