Struct Column

pub struct Column {
    pub name: String,
    pub column_type: ColumnType,
    pub alias: String,
    pub skip: bool,
}

A column in a table

Fields

name: String

Name of the column

column_type: ColumnType

Type of the column (e.g. TEXT, INTEGER, etc)

alias: String

Alias for the column

skip: bool

Metadata for the column

Implementations

impl Column

pub fn new(name: String, column_type: ColumnType) -> Self

Create a new instance of Column

pub fn is_primary_key(&self) -> bool

Check if the column is a primary key

pub fn is_not_null(&self) -> bool

Check if the column is nullable

pub fn is_unique(&self) -> bool

If the column unique

Trait Implementations

impl Clone for Column

fn clone(&self) -> Column

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Column

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

Formats the value using the given formatter.

impl Default for Column

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for Column

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for Column

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl ToSqlite for Column

fn on_create(&self, query: &QueryBuilder) -> Result<String, Error>

Convert to SQLite for creating a table

fn on_alter(&self, query: &AlterQuery) -> Result<String, Error>

Convert to SQLite for altering a table

fn to_sqlite(&self) -> String

Convert to generic SQLite (only use for some generic types)

fn on_select(&self, query: &QueryBuilder) -> Result<String, Error>

Convert to SQLite for selecting a row

fn on_insert(&self, query: &QueryBuilder) -> Result<(String, Values), Error>

Convert to SQLite for inserting a row

fn on_update(&self, query: &QueryBuilder) -> Result<(String, Values), Error>

Convert to SQLite for updating a row

fn on_delete(&self, query: &QueryBuilder) -> Result<(String, Values), Error>

Convert to SQLite for deleting a row

impl ToTokens for Column

fn to_tokens(&self, tokens: &mut TokenStream)

Write self to the given TokenStream.

fn to_token_stream(&self) -> TokenStream

Convert self directly into a TokenStream object.

fn into_token_stream(self) -> TokenStream

where Self: Sized,

Convert self directly into a TokenStream object.