Trait SQLColumnInfo 

pub trait SQLColumnInfo:
    Any
    + Send
    + Sync {
    // Required methods
    fn is_not_null(&self) -> bool;
    fn is_primary_key(&self) -> bool;
    fn is_unique(&self) -> bool;
    fn name(&self) -> &str;
    fn type(&self) -> &str;
    fn has_default(&self) -> bool;
    fn table(&self) -> &dyn SQLTableInfo;

    // Provided methods
    fn foreign_key(&self) -> Option<&'static dyn SQLColumnInfo> { ... }
    fn foreign_key_table(&self) -> Option<&'static dyn SQLTableInfo> { ... }
    fn as_column(&self) -> &dyn SQLColumnInfo
       where Self: Sized { ... }
}

Required Methods

fn is_not_null(&self) -> bool

fn is_primary_key(&self) -> bool

fn is_unique(&self) -> bool

fn name(&self) -> &str

fn type(&self) -> &str

fn has_default(&self) -> bool

fn table(&self) -> &dyn SQLTableInfo

Provided Methods

fn foreign_key(&self) -> Option<&'static dyn SQLColumnInfo>

Returns the foreign key reference if this column has one.

fn foreign_key_table(&self) -> Option<&'static dyn SQLTableInfo>

Returns the foreign key table if this column references one.

fn as_column(&self) -> &dyn SQLColumnInfo

where Self: Sized,

Trait Implementations

impl Debug for dyn SQLColumnInfo

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

Formats the value using the given formatter.

impl<'a, V: SQLParam> From<&'static dyn SQLColumnInfo> for SQLChunk<'a, V>

fn from(value: &'static dyn SQLColumnInfo) -> Self

Converts to this type from the input type.

impl<'a, V: SQLParam + 'a> ToSQL<'a, V> for &'static dyn SQLColumnInfo

fn to_sql(&self) -> SQL<'a, V>

fn alias(&self, alias: &'static str) -> SQL<'a, V>

Implementations on Foreign Types

impl<T: SQLColumnInfo> SQLColumnInfo for &'static T

fn is_not_null(&self) -> bool

fn is_primary_key(&self) -> bool

fn is_unique(&self) -> bool

fn name(&self) -> &str

fn type(&self) -> &str

fn has_default(&self) -> bool

fn table(&self) -> &dyn SQLTableInfo

fn foreign_key(&self) -> Option<&'static dyn SQLColumnInfo>

Implementors