Struct diesel::sql_types::Bool
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pub struct Bool;
The boolean SQL type.
On backends without a native boolean type, this is emulated with the smallest supported integer.
ToSql impls
FromSql impls
Trait Implementations
impl QueryId for Bool[src]
type QueryId = Bool
A type which uniquely represents Self in a SQL query. Read more
const HAS_STATIC_QUERY_ID: bool
HAS_STATIC_QUERY_ID: bool = true
Can the SQL generated by Self be uniquely identified by its type? Read more
fn query_id() -> Option<TypeId>[src]
Returns the type id of Self::QueryId if Self::HAS_STATIC_QUERY_ID. Returns None otherwise. Read more
impl NotNull for Bool[src]
impl SingleValue for Bool[src]
impl HasSqlType<Bool> for Sqlite[src]
fn metadata(_: &()) -> SqliteType[src]
Fetch the metadata for the given type Read more
fn row_metadata(
out: &mut Vec<Self::TypeMetadata>,
lookup: &Self::MetadataLookup
)[src]
out: &mut Vec<Self::TypeMetadata>,
lookup: &Self::MetadataLookup
)
Fetch the metadata for a tuple representing an entire row Read more
impl HasSqlType<Bool> for Mysql[src]
fn metadata(_: &()) -> MysqlType[src]
Fetch the metadata for the given type Read more
fn row_metadata(
out: &mut Vec<Self::TypeMetadata>,
lookup: &Self::MetadataLookup
)[src]
out: &mut Vec<Self::TypeMetadata>,
lookup: &Self::MetadataLookup
)
Fetch the metadata for a tuple representing an entire row Read more
impl HasSqlType<Bool> for Pg[src]
fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata[src]
Fetch the metadata for the given type Read more
fn row_metadata(
out: &mut Vec<Self::TypeMetadata>,
lookup: &Self::MetadataLookup
)[src]
out: &mut Vec<Self::TypeMetadata>,
lookup: &Self::MetadataLookup
)
Fetch the metadata for a tuple representing an entire row Read more
impl Debug for Bool[src]
fn fmt(&self, __arg_0: &mut Formatter) -> Result[src]
Formats the value using the given formatter. Read more
impl Clone for Bool[src]
fn clone(&self) -> Bool[src]
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)1.0.0[src]
Performs copy-assignment from source. Read more
impl Copy for Bool[src]
impl Default for Bool[src]
impl ToSql<Bool, Mysql> for bool[src]
impl FromSql<Bool, Mysql> for bool[src]
impl FromSql<Bool, Pg> for bool[src]
impl ToSql<Bool, Pg> for bool[src]
impl FromSql<Bool, Sqlite> for bool[src]
impl ToSql<Bool, Sqlite> for bool[src]
impl<'expr> AsExpression<Bool> for &'expr bool[src]
type Expression = Bound<Bool, Self>
The expression being returned
fn as_expression(self) -> Self::Expression[src]
Perform the conversion
impl<'expr2, 'expr> AsExpression<Bool> for &'expr2 &'expr bool[src]
type Expression = Bound<Bool, Self>
The expression being returned
fn as_expression(self) -> Self::Expression[src]
Perform the conversion
impl AsExpression<Bool> for bool[src]
type Expression = Bound<Bool, Self>
The expression being returned
fn as_expression(self) -> Self::Expression[src]
Perform the conversion