Struct Postgres

pub struct Postgres;

PostgreSQL database driver.

Trait Implementations

impl Database for Postgres

const NAME: &'static str = "PostgreSQL"

The display name for this database driver.

const URL_SCHEMES: &'static [&'static str]

The schemes for database URLs that should match this driver.

type Connection = PgConnection

The concrete Connection implementation for this database.

type TransactionManager = PgTransactionManager

The concrete TransactionManager implementation for this database.

type Row = PgRow

The concrete Row implementation for this database.

type QueryResult = PgQueryResult

The concrete QueryResult implementation for this database.

type Column = PgColumn

The concrete Column implementation for this database.

type TypeInfo = PgTypeInfo

The concrete TypeInfo implementation for this database.

type Value = PgValue

The concrete type used to hold an owned copy of the not-yet-decoded value that was received from the database.

type ValueRef<'r> = PgValueRef<'r>

The concrete type used to hold a reference to the not-yet-decoded value that has just been received from the database.

type Arguments<'q> = PgArguments

The concrete Arguments implementation for this database.

type ArgumentBuffer<'q> = PgArgumentBuffer

The concrete type used as a buffer for arguments while encoding.

type Statement<'q> = PgStatement<'q>

The concrete Statement implementation for this database.

impl Debug for Postgres

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

Formats the value using the given formatter.

impl Decode<'_, Postgres> for String

fn decode(value: PgValueRef<'_>) -> Result<String, Box<dyn Error + Sync + Send>>

Decode a new value of this type using a raw value from the database.

impl Decode<'_, Postgres> for Uuid

fn decode(value: PgValueRef<'_>) -> Result<Uuid, Box<dyn Error + Sync + Send>>

Decode a new value of this type using a raw value from the database.

impl Decode<'_, Postgres> for Vec<u8>

fn decode( value: PgValueRef<'_>, ) -> Result<Vec<u8>, Box<dyn Error + Sync + Send>>

Decode a new value of this type using a raw value from the database.

impl<'r> Decode<'r, Postgres> for &'r [u8]

fn decode( value: PgValueRef<'r>, ) -> Result<&'r [u8], Box<dyn Error + Sync + Send>>

Decode a new value of this type using a raw value from the database.

impl<'r> Decode<'r, Postgres> for &'r str

fn decode( value: PgValueRef<'r>, ) -> Result<&'r str, Box<dyn Error + Sync + Send>>

Decode a new value of this type using a raw value from the database.

impl<'r, T> Decode<'r, Postgres> for Vec<T>

where T: for<'a> Decode<'a, Postgres> + Type<Postgres>,

fn decode(value: PgValueRef<'r>) -> Result<Vec<T>, Box<dyn Error + Sync + Send>>

Decode a new value of this type using a raw value from the database.

impl Encode<'_, Postgres> for &[u8]

fn encode_by_ref( &self, buf: &mut PgArgumentBuffer, ) -> Result<IsNull, Box<dyn Error + Sync + Send>>

Writes the value of self into buf without moving self.

fn encode( self, buf: &mut <DB as Database>::ArgumentBuffer<'q>, ) -> Result<IsNull, Box<dyn Error + Sync + Send>>

where Self: Sized,

Writes the value of self into buf in the expected format for the database.

fn produces(&self) -> Option<<DB as Database>::TypeInfo>

fn size_hint(&self) -> usize

impl Encode<'_, Postgres> for &str

fn encode_by_ref( &self, buf: &mut PgArgumentBuffer, ) -> Result<IsNull, Box<dyn Error + Sync + Send>>

Writes the value of self into buf without moving self.

fn encode( self, buf: &mut <DB as Database>::ArgumentBuffer<'q>, ) -> Result<IsNull, Box<dyn Error + Sync + Send>>

where Self: Sized,

Writes the value of self into buf in the expected format for the database.

fn produces(&self) -> Option<<DB as Database>::TypeInfo>

fn size_hint(&self) -> usize

impl Encode<'_, Postgres> for String

fn encode_by_ref( &self, buf: &mut PgArgumentBuffer, ) -> Result<IsNull, Box<dyn Error + Sync + Send>>

Writes the value of self into buf without moving self.

fn encode( self, buf: &mut <DB as Database>::ArgumentBuffer<'q>, ) -> Result<IsNull, Box<dyn Error + Sync + Send>>

where Self: Sized,

Writes the value of self into buf in the expected format for the database.

fn produces(&self) -> Option<<DB as Database>::TypeInfo>

fn size_hint(&self) -> usize

impl Encode<'_, Postgres> for Uuid

fn encode_by_ref( &self, buf: &mut PgArgumentBuffer, ) -> Result<IsNull, Box<dyn Error + Sync + Send>>

Writes the value of self into buf without moving self.

fn encode( self, buf: &mut <DB as Database>::ArgumentBuffer<'q>, ) -> Result<IsNull, Box<dyn Error + Sync + Send>>

where Self: Sized,

Writes the value of self into buf in the expected format for the database.

fn produces(&self) -> Option<<DB as Database>::TypeInfo>

fn size_hint(&self) -> usize

impl Encode<'_, Postgres> for Vec<u8>

fn encode_by_ref( &self, buf: &mut PgArgumentBuffer, ) -> Result<IsNull, Box<dyn Error + Sync + Send>>

Writes the value of self into buf without moving self.

fn encode( self, buf: &mut <DB as Database>::ArgumentBuffer<'q>, ) -> Result<IsNull, Box<dyn Error + Sync + Send>>

where Self: Sized,

Writes the value of self into buf in the expected format for the database.

fn produces(&self) -> Option<<DB as Database>::TypeInfo>

fn size_hint(&self) -> usize

impl<'q, T> Encode<'q, Postgres> for &[T]

where T: Encode<'q, Postgres> + Type<Postgres>,

fn encode_by_ref( &self, buf: &mut PgArgumentBuffer, ) -> Result<IsNull, Box<dyn Error + Sync + Send>>

Writes the value of self into buf without moving self.

fn encode( self, buf: &mut <DB as Database>::ArgumentBuffer<'q>, ) -> Result<IsNull, Box<dyn Error + Sync + Send>>

where Self: Sized,

Writes the value of self into buf in the expected format for the database.

fn produces(&self) -> Option<<DB as Database>::TypeInfo>

fn size_hint(&self) -> usize

impl<'q, T> Encode<'q, Postgres> for Vec<T>

where &'a [T]: for<'a> Encode<'q, Postgres>, T: Encode<'q, Postgres>,

fn encode_by_ref( &self, buf: &mut PgArgumentBuffer, ) -> Result<IsNull, Box<dyn Error + Sync + Send>>

Writes the value of self into buf without moving self.

fn encode( self, buf: &mut <DB as Database>::ArgumentBuffer<'q>, ) -> Result<IsNull, Box<dyn Error + Sync + Send>>

where Self: Sized,

Writes the value of self into buf in the expected format for the database.

fn produces(&self) -> Option<<DB as Database>::TypeInfo>

fn size_hint(&self) -> usize

impl<T> Type<Postgres> for [T]

where T: PgHasArrayType,

fn type_info() -> PgTypeInfo

Returns the canonical SQL type for this Rust type.

fn compatible(ty: &PgTypeInfo) -> bool

Determines if this Rust type is compatible with the given SQL type.

impl Type<Postgres> for String

fn type_info() -> PgTypeInfo

Returns the canonical SQL type for this Rust type.

fn compatible(ty: &PgTypeInfo) -> bool

Determines if this Rust type is compatible with the given SQL type.

impl Type<Postgres> for Uuid

fn type_info() -> PgTypeInfo

Returns the canonical SQL type for this Rust type.

fn compatible(ty: &<DB as Database>::TypeInfo) -> bool

Determines if this Rust type is compatible with the given SQL type.

impl<T> Type<Postgres> for Vec<T>

where T: PgHasArrayType,

fn type_info() -> PgTypeInfo

Returns the canonical SQL type for this Rust type.

fn compatible(ty: &PgTypeInfo) -> bool

Determines if this Rust type is compatible with the given SQL type.

impl Type<Postgres> for str

fn type_info() -> PgTypeInfo

Returns the canonical SQL type for this Rust type.

fn compatible(ty: &PgTypeInfo) -> bool

Determines if this Rust type is compatible with the given SQL type.

impl TypeChecking for Postgres

const PARAM_CHECKING: ParamChecking = ::sqlx_core::type_checking::ParamChecking::Strong

Describes how the database in question typechecks query parameters.

fn param_type_for_id( info: &<Postgres as Database>::TypeInfo, ) -> Option<&'static str>

Get the full path of the Rust type that corresponds to the given TypeInfo, if applicable.

fn return_type_for_id( info: &<Postgres as Database>::TypeInfo, ) -> Option<&'static str>

Get the full path of the Rust type that corresponds to the given TypeInfo, if applicable.

fn get_feature_gate( info: &<Postgres as Database>::TypeInfo, ) -> Option<&'static str>

Get the name of the Cargo feature gate that must be enabled to process the given TypeInfo, if applicable.

fn fmt_value_debug( value: &<Postgres as Database>::Value, ) -> FmtValue<'_, Postgres>

If value is a well-known type, decode and format it using Debug.

impl HasStatementCache for Postgres