Struct diesel::pg::Pg

pub struct Pg;

The PostgreSQL backend

Trait Implementations

impl HasSqlType<Bool> for Pg

fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type

fn row_metadata(
    out: &mut Vec<Self::TypeMetadata>,
    lookup: &Self::MetadataLookup
)

Fetch the metadata for a tuple representing an entire row

impl HasSqlType<SmallInt> for Pg

fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type

fn row_metadata(
    out: &mut Vec<Self::TypeMetadata>,
    lookup: &Self::MetadataLookup
)

Fetch the metadata for a tuple representing an entire row

impl HasSqlType<Integer> for Pg

fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type

fn row_metadata(
    out: &mut Vec<Self::TypeMetadata>,
    lookup: &Self::MetadataLookup
)

Fetch the metadata for a tuple representing an entire row

impl HasSqlType<BigInt> for Pg

fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type

fn row_metadata(
    out: &mut Vec<Self::TypeMetadata>,
    lookup: &Self::MetadataLookup
)

Fetch the metadata for a tuple representing an entire row

impl HasSqlType<Float> for Pg

fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type

fn row_metadata(
    out: &mut Vec<Self::TypeMetadata>,
    lookup: &Self::MetadataLookup
)

Fetch the metadata for a tuple representing an entire row

impl HasSqlType<Double> for Pg

fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type

fn row_metadata(
    out: &mut Vec<Self::TypeMetadata>,
    lookup: &Self::MetadataLookup
)

Fetch the metadata for a tuple representing an entire row

impl HasSqlType<Numeric> for Pg

fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type

fn row_metadata(
    out: &mut Vec<Self::TypeMetadata>,
    lookup: &Self::MetadataLookup
)

Fetch the metadata for a tuple representing an entire row

impl HasSqlType<Text> for Pg

fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type

fn row_metadata(
    out: &mut Vec<Self::TypeMetadata>,
    lookup: &Self::MetadataLookup
)

Fetch the metadata for a tuple representing an entire row

impl HasSqlType<Binary> for Pg

fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type

fn row_metadata(
    out: &mut Vec<Self::TypeMetadata>,
    lookup: &Self::MetadataLookup
)

Fetch the metadata for a tuple representing an entire row

impl HasSqlType<Date> for Pg

fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type

fn row_metadata(
    out: &mut Vec<Self::TypeMetadata>,
    lookup: &Self::MetadataLookup
)

Fetch the metadata for a tuple representing an entire row

impl HasSqlType<Interval> for Pg

fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type

fn row_metadata(
    out: &mut Vec<Self::TypeMetadata>,
    lookup: &Self::MetadataLookup
)

Fetch the metadata for a tuple representing an entire row

impl HasSqlType<Time> for Pg

fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type

fn row_metadata(
    out: &mut Vec<Self::TypeMetadata>,
    lookup: &Self::MetadataLookup
)

Fetch the metadata for a tuple representing an entire row

impl HasSqlType<Timestamp> for Pg

fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type

fn row_metadata(
    out: &mut Vec<Self::TypeMetadata>,
    lookup: &Self::MetadataLookup
)

Fetch the metadata for a tuple representing an entire row

impl<T> HasSqlType<Array<T>> for Pg where
    Pg: HasSqlType<T>, 

fn metadata(lookup: &PgMetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type

fn row_metadata(
    out: &mut Vec<Self::TypeMetadata>,
    lookup: &Self::MetadataLookup
)

Fetch the metadata for a tuple representing an entire row

impl<T, ST> FromSql<Array<ST>, Pg> for Vec<T> where
    T: FromSql<ST, Pg>, 

fn from_sql(bytes: Option<&[u8]>) -> Result<Self>

See the trait documentation.

impl<ST, T> ToSql<Array<ST>, Pg> for [T] where
    Pg: HasSqlType<ST>,
    T: ToSql<ST, Pg>, 

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl<ST, T> ToSql<Nullable<Array<ST>>, Pg> for [T] where
    [T]: ToSql<Array<ST>, Pg>, 

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl<ST, T> ToSql<Array<ST>, Pg> for Vec<T> where
    [T]: ToSql<Array<ST>, Pg>,
    T: Debug, 

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl<ST, T> ToSql<Nullable<Array<ST>>, Pg> for Vec<T> where
    Vec<T>: ToSql<Array<ST>, Pg>, 

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl<T, ST> Queryable<Range<ST>, Pg> for (Bound<T>, Bound<T>) where
    T: FromSql<ST, Pg> + Queryable<ST, Pg>, 

type Row = Self

The Rust type you'd like to map from.

fn build(row: Self) -> Self

Construct an instance of this type

impl<T, ST> FromSqlRow<Range<ST>, Pg> for (Bound<T>, Bound<T>) where
    (Bound<T>, Bound<T>): FromSql<Range<ST>, Pg>, 

fn build_from_row<R: Row<Pg>>(row: &mut R) -> Result<Self>

See the trait documentation.

const FIELDS_NEEDED: usize

FIELDS_NEEDED: usize = 1

The number of fields that this type will consume. Must be equal to the number of times you would call row.take() in build_from_row

impl<T, ST> FromSql<Range<ST>, Pg> for (Bound<T>, Bound<T>) where
    T: FromSql<ST, Pg>, 

fn from_sql(bytes: Option<&[u8]>) -> Result<Self>

See the trait documentation.

impl<ST, T> ToSql<Range<ST>, Pg> for (Bound<T>, Bound<T>) where
    T: ToSql<ST, Pg>, 

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl<ST, T> ToSql<Nullable<Range<ST>>, Pg> for (Bound<T>, Bound<T>) where
    (Bound<T>, Bound<T>): ToSql<Range<ST>, Pg>, 

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl ToSql<Timestamp, Pg> for SystemTime

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl FromSql<Timestamp, Pg> for SystemTime

fn from_sql(bytes: Option<&[u8]>) -> Result<Self>

See the trait documentation.

impl FromSql<Timestamp, Pg> for NaiveDateTime

fn from_sql(bytes: Option<&[u8]>) -> Result<Self>

See the trait documentation.

impl ToSql<Timestamp, Pg> for NaiveDateTime

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl FromSql<Timestamptz, Pg> for NaiveDateTime

fn from_sql(bytes: Option<&[u8]>) -> Result<Self>

See the trait documentation.

impl ToSql<Timestamptz, Pg> for NaiveDateTime

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl FromSql<Timestamptz, Pg> for DateTime<Utc>

fn from_sql(bytes: Option<&[u8]>) -> Result<Self>

See the trait documentation.

impl<TZ: TimeZone> ToSql<Timestamptz, Pg> for DateTime<TZ>

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl ToSql<Time, Pg> for NaiveTime

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl FromSql<Time, Pg> for NaiveTime

fn from_sql(bytes: Option<&[u8]>) -> Result<Self>

See the trait documentation.

impl ToSql<Date, Pg> for NaiveDate

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl FromSql<Date, Pg> for NaiveDate

fn from_sql(bytes: Option<&[u8]>) -> Result<Self>

See the trait documentation.

impl ToSql<Timestamp, Pg> for Timespec

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl FromSql<Timestamp, Pg> for Timespec

fn from_sql(bytes: Option<&[u8]>) -> Result<Self>

See the trait documentation.

impl ToSql<Timestamp, Pg> for PgTimestamp

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl FromSql<Timestamp, Pg> for PgTimestamp

fn from_sql(bytes: Option<&[u8]>) -> Result<Self>

See the trait documentation.

impl ToSql<Timestamptz, Pg> for PgTimestamp

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl FromSql<Timestamptz, Pg> for PgTimestamp

fn from_sql(bytes: Option<&[u8]>) -> Result<Self>

See the trait documentation.

impl ToSql<Date, Pg> for PgDate

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl FromSql<Date, Pg> for PgDate

fn from_sql(bytes: Option<&[u8]>) -> Result<Self>

See the trait documentation.

impl ToSql<Time, Pg> for PgTime

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl FromSql<Time, Pg> for PgTime

fn from_sql(bytes: Option<&[u8]>) -> Result<Self>

See the trait documentation.

impl ToSql<Interval, Pg> for PgInterval

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl FromSql<Interval, Pg> for PgInterval

fn from_sql(bytes: Option<&[u8]>) -> Result<Self>

See the trait documentation.

impl FromSql<Numeric, Pg> for PgNumeric

fn from_sql(bytes: Option<&[u8]>) -> Result<Self>

See the trait documentation.

impl ToSql<Numeric, Pg> for PgNumeric

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl FromSql<MacAddr, Pg> for [u8; 6]

fn from_sql(bytes: Option<&[u8]>) -> Result<Self>

See the trait documentation.

impl ToSql<MacAddr, Pg> for [u8; 6]

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl FromSql<Inet, Pg> for IpNetwork

fn from_sql(bytes: Option<&[u8]>) -> Result<Self>

See the trait documentation.

impl ToSql<Inet, Pg> for IpNetwork

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl FromSql<Cidr, Pg> for IpNetwork

fn from_sql(bytes: Option<&[u8]>) -> Result<Self>

See the trait documentation.

impl ToSql<Cidr, Pg> for IpNetwork

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl FromSql<Oid, Pg> for u32

fn from_sql(bytes: Option<&[u8]>) -> Result<Self>

See the trait documentation.

impl ToSql<Oid, Pg> for u32

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl ToSql<Numeric, Pg> for BigDecimal

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl FromSql<Numeric, Pg> for BigDecimal

fn from_sql(numeric: Option<&[u8]>) -> Result<Self>

See the trait documentation.

impl FromSql<Bool, Pg> for bool

fn from_sql(bytes: Option<&[u8]>) -> Result<Self>

See the trait documentation.

impl ToSql<Bool, Pg> for bool

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl FromSql<Uuid, Pg> for Uuid

fn from_sql(bytes: Option<&[u8]>) -> Result<Self>

See the trait documentation.

impl ToSql<Uuid, Pg> for Uuid

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl FromSql<Json, Pg> for Value

fn from_sql(bytes: Option<&[u8]>) -> Result<Self>

See the trait documentation.

impl ToSql<Json, Pg> for Value

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl FromSql<Jsonb, Pg> for Value

fn from_sql(bytes: Option<&[u8]>) -> Result<Self>

See the trait documentation.

impl ToSql<Jsonb, Pg> for Value

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl FromSql<Money, Pg> for PgMoney

fn from_sql(bytes: Option<&[u8]>) -> Result<Self>

See the trait documentation.

impl ToSql<Money, Pg> for PgMoney

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl HasSqlType<Oid> for Pg

fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type

fn row_metadata(
    out: &mut Vec<Self::TypeMetadata>,
    lookup: &Self::MetadataLookup
)

Fetch the metadata for a tuple representing an entire row

impl HasSqlType<Timestamptz> for Pg

fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type

fn row_metadata(
    out: &mut Vec<Self::TypeMetadata>,
    lookup: &Self::MetadataLookup
)

Fetch the metadata for a tuple representing an entire row

impl HasSqlType<Uuid> for Pg

fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type

fn row_metadata(
    out: &mut Vec<Self::TypeMetadata>,
    lookup: &Self::MetadataLookup
)

Fetch the metadata for a tuple representing an entire row

impl HasSqlType<Json> for Pg

fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type

fn row_metadata(
    out: &mut Vec<Self::TypeMetadata>,
    lookup: &Self::MetadataLookup
)

Fetch the metadata for a tuple representing an entire row

impl HasSqlType<Jsonb> for Pg

fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type

fn row_metadata(
    out: &mut Vec<Self::TypeMetadata>,
    lookup: &Self::MetadataLookup
)

Fetch the metadata for a tuple representing an entire row

impl HasSqlType<Money> for Pg

fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type

fn row_metadata(
    out: &mut Vec<Self::TypeMetadata>,
    lookup: &Self::MetadataLookup
)

Fetch the metadata for a tuple representing an entire row

impl HasSqlType<MacAddr> for Pg

fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type

fn row_metadata(
    out: &mut Vec<Self::TypeMetadata>,
    lookup: &Self::MetadataLookup
)

Fetch the metadata for a tuple representing an entire row

impl HasSqlType<Inet> for Pg

fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type

fn row_metadata(
    out: &mut Vec<Self::TypeMetadata>,
    lookup: &Self::MetadataLookup
)

Fetch the metadata for a tuple representing an entire row

impl HasSqlType<Cidr> for Pg

fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type

fn row_metadata(
    out: &mut Vec<Self::TypeMetadata>,
    lookup: &Self::MetadataLookup
)

Fetch the metadata for a tuple representing an entire row

impl Debug for Pg

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Clone for Pg

fn clone(&self) -> Pg

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Copy for Pg

impl Hash for Pg

fn hash<__H: Hasher>(&self, __arg_0: &mut __H)

Feeds this value into the given [Hasher].

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given [Hasher].

impl PartialEq for Pg

fn eq(&self, __arg_0: &Pg) -> bool

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=.

impl Eq for Pg

impl Queryable<(Oid, Oid), Pg> for PgTypeMetadata

type Row = (u32, u32)

The Rust type you'd like to map from.

fn build((oid, array_oid): Self::Row) -> Self

Construct an instance of this type

impl Backend for Pg

type QueryBuilder = PgQueryBuilder

The concrete QueryBuilder implementation for this backend.

type BindCollector = RawBytesBindCollector<Pg>

The concrete BindCollector implementation for this backend.

type RawValue = [u8]

The raw representation of a database value given to FromSql.

type ByteOrder = NetworkEndian

What byte order is used to transmit integers?

impl TypeMetadata for Pg

type TypeMetadata = PgTypeMetadata

The actual type used to represent metadata.

type MetadataLookup = PgMetadataLookup

The type used for runtime lookup of metadata.

impl SupportsReturningClause for Pg

impl SupportsDefaultKeyword for Pg

impl UsesAnsiSavepointSyntax for Pg

impl<T> QueryFragment<Pg> for DistinctOnClause<T> where
    T: QueryFragment<Pg>, 

fn walk_ast(&self, out: AstPass<Pg>) -> QueryResult<()>

Walk over this QueryFragment for all passes.

fn to_sql(&self, out: &mut DB::QueryBuilder) -> QueryResult<()>

Converts this QueryFragment to its SQL representation.

fn collect_binds(
    &self,
    out: &mut DB::BindCollector,
    metadata_lookup: &DB::MetadataLookup
) -> QueryResult<()>

Serializes all bind parameters in this query.

fn is_safe_to_cache_prepared(&self) -> QueryResult<bool>

Is this query safe to store in the prepared statement cache?

impl QueryBuilder<Pg> for PgQueryBuilder

fn push_sql(&mut self, sql: &str)

Add sql to the end of the query being constructed.

fn push_identifier(&mut self, identifier: &str) -> QueryResult<()>

Quote identifier, and add it to the end of the query being constructed.

fn push_bind_param(&mut self)

Add a placeholder for a bind parameter to the end of the query being constructed.

fn finish(self) -> String

Returns the constructed SQL query.

impl<'a> QueryFragment<Pg> for TransactionBuilder<'a>

fn walk_ast(&self, out: AstPass<Pg>) -> QueryResult<()>

Walk over this QueryFragment for all passes.

fn to_sql(&self, out: &mut DB::QueryBuilder) -> QueryResult<()>

Converts this QueryFragment to its SQL representation.

fn collect_binds(
    &self,
    out: &mut DB::BindCollector,
    metadata_lookup: &DB::MetadataLookup
) -> QueryResult<()>

Serializes all bind parameters in this query.

fn is_safe_to_cache_prepared(&self) -> QueryResult<bool>

Is this query safe to store in the prepared statement cache?