Struct CapabilityFlags 

pub struct CapabilityFlags(/* private fields */);

Implementations

impl CapabilityFlags

pub const CLIENT_LONG_PASSWORD: Self

Use the improved version of Old Password Authentication (deprecated, assumed set since 4.1.1)

pub const CLIENT_FOUND_ROWS: Self

Send found rows instead of affected rows

pub const CLIENT_LONG_FLAG: Self

Get all column flags

pub const CLIENT_CONNECT_WITH_DB: Self

Database (schema) name can be specified on connect

pub const CLIENT_NO_SCHEMA: Self

Don’t allow database.table.column (deprecated)

pub const CLIENT_COMPRESS: Self

Compression protocol supported

pub const CLIENT_ODBC: Self

ODBC client (no special behavior since 3.22)

pub const CLIENT_LOCAL_FILES: Self

Can use LOAD DATA LOCAL

pub const CLIENT_IGNORE_SPACE: Self

Ignore spaces before ‘(’

pub const CLIENT_PROTOCOL_41: Self

New 4.1 protocol

pub const CLIENT_INTERACTIVE: Self

Interactive client (affects timeout)

pub const CLIENT_SSL: Self

Use SSL encryption for the session

pub const CLIENT_IGNORE_SIGPIPE: Self

Client will not issue SIGPIPE (client-only, not sent to server)

pub const CLIENT_TRANSACTIONS: Self

Client knows about transactions

pub const CLIENT_RESERVED: Self

Old flag for 4.1 protocol (deprecated)

pub const CLIENT_SECURE_CONNECTION: Self

Old flag for 4.1 authentication (deprecated)

pub const CLIENT_MULTI_STATEMENTS: Self

Enable multi-statement support

pub const CLIENT_MULTI_RESULTS: Self

Enable multi-results

pub const CLIENT_PS_MULTI_RESULTS: Self

Multi-results in prepared statements

pub const CLIENT_PLUGIN_AUTH: Self

Pluggable authentication

pub const CLIENT_CONNECT_ATTRS: Self

Connection attributes

pub const CLIENT_PLUGIN_AUTH_LENENC_CLIENT_DATA: Self

Enable authentication response larger than 255 bytes

pub const CLIENT_CAN_HANDLE_EXPIRED_PASSWORDS: Self

Can handle expired passwords

pub const CLIENT_SESSION_TRACK: Self

Track session state changes

pub const CLIENT_DEPRECATE_EOF: Self

Use OK instead of EOF packet

pub const CLIENT_OPTIONAL_RESULTSET_METADATA: Self

Optional metadata in resultsets

pub const CLIENT_ZSTD_COMPRESSION_ALGORITHM: Self

Support zstd compression

pub const CLIENT_QUERY_ATTRIBUTES: Self

Query attributes support

pub const CLIENT_MULTI_FACTOR_AUTHENTICATION: Self

Multi-factor authentication

pub const CLIENT_CAPABILITY_EXTENSION: Self

Reserved for capability extension

pub const CLIENT_SSL_VERIFY_SERVER_CERT: Self

Verify server certificate (deprecated, use –ssl-mode)

pub const CLIENT_REMEMBER_OPTIONS: Self

Remember options after failed connect (client-only, not sent to server)

impl CapabilityFlags

pub const fn empty() -> Self

Get a flags value with all bits unset.

pub const fn all() -> Self

Get a flags value with all known bits set.

pub const fn bits(&self) -> u32

Get the underlying bits value.

The returned value is exactly the bits set in this flags value.

pub const fn from_bits(bits: u32) -> Option<Self>

Convert from a bits value.

This method will return None if any unknown bits are set.

pub const fn from_bits_truncate(bits: u32) -> Self

Convert from a bits value, unsetting any unknown bits.

pub const fn from_bits_retain(bits: u32) -> Self

Convert from a bits value exactly.

pub fn from_name(name: &str) -> Option<Self>

Get a flags value with the bits of a flag with the given name set.

This method will return None if name is empty or doesn’t correspond to any named flag.

pub const fn is_empty(&self) -> bool

Whether all bits in this flags value are unset.

pub const fn is_all(&self) -> bool

Whether all known bits in this flags value are set.

pub const fn intersects(&self, other: Self) -> bool

Whether any set bits in a source flags value are also set in a target flags value.

pub const fn contains(&self, other: Self) -> bool

Whether all set bits in a source flags value are also set in a target flags value.

pub fn insert(&mut self, other: Self)

The bitwise or (|) of the bits in two flags values.

pub fn remove(&mut self, other: Self)

The intersection of a source flags value with the complement of a target flags value (&!).

This method is not equivalent to self & !other when other has unknown bits set. remove won’t truncate other, but the ! operator will.

pub fn toggle(&mut self, other: Self)

The bitwise exclusive-or (^) of the bits in two flags values.

pub fn set(&mut self, other: Self, value: bool)

Call insert when value is true or remove when value is false.

pub const fn intersection(self, other: Self) -> Self

The bitwise and (&) of the bits in two flags values.

pub const fn union(self, other: Self) -> Self

The bitwise or (|) of the bits in two flags values.

pub const fn difference(self, other: Self) -> Self

The intersection of a source flags value with the complement of a target flags value (&!).

This method is not equivalent to self & !other when other has unknown bits set. difference won’t truncate other, but the ! operator will.

pub const fn symmetric_difference(self, other: Self) -> Self

The bitwise exclusive-or (^) of the bits in two flags values.

pub const fn complement(self) -> Self

The bitwise negation (!) of the bits in a flags value, truncating the result.

impl CapabilityFlags

pub const fn iter(&self) -> Iter<CapabilityFlags>

Yield a set of contained flags values.

Each yielded flags value will correspond to a defined named flag. Any unknown bits will be yielded together as a final flags value.

pub const fn iter_names(&self) -> IterNames<CapabilityFlags>

Yield a set of contained named flags values.

This method is like iter, except only yields bits in contained named flags. Any unknown bits, or bits not corresponding to a contained flag will not be yielded.

impl CapabilityFlags

pub fn is_mysql(&self) -> bool

Check if the server is MySQL (as opposed to MariaDB)

MariaDB unsets the CLIENT_LONG_PASSWORD flag to distinguish itself from MySQL.

pub fn is_mariadb(&self) -> bool

Trait Implementations

impl Binary for CapabilityFlags

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

Formats the value using the given formatter.

impl BitAnd for CapabilityFlags

fn bitand(self, other: Self) -> Self

The bitwise and (&) of the bits in two flags values.

type Output = CapabilityFlags

The resulting type after applying the & operator.

impl BitAndAssign for CapabilityFlags

fn bitand_assign(&mut self, other: Self)

The bitwise and (&) of the bits in two flags values.

impl BitOr for CapabilityFlags

fn bitor(self, other: CapabilityFlags) -> Self

The bitwise or (|) of the bits in two flags values.

type Output = CapabilityFlags

The resulting type after applying the | operator.

impl BitOrAssign for CapabilityFlags

fn bitor_assign(&mut self, other: Self)

The bitwise or (|) of the bits in two flags values.

impl BitXor for CapabilityFlags

fn bitxor(self, other: Self) -> Self

The bitwise exclusive-or (^) of the bits in two flags values.

type Output = CapabilityFlags

The resulting type after applying the ^ operator.

impl BitXorAssign for CapabilityFlags

fn bitxor_assign(&mut self, other: Self)

The bitwise exclusive-or (^) of the bits in two flags values.

impl Clone for CapabilityFlags

fn clone(&self) -> CapabilityFlags

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CapabilityFlags

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

Formats the value using the given formatter.

impl Extend<CapabilityFlags> for CapabilityFlags

fn extend<T: IntoIterator<Item = Self>>(&mut self, iterator: T)

The bitwise or (|) of the bits in each flags value.

fn extend_one(&mut self, item: A)

🔬This is a nightly-only experimental API. (extend_one)

Extends a collection with exactly one element.

fn extend_reserve(&mut self, additional: usize)

🔬This is a nightly-only experimental API. (extend_one)

Reserves capacity in a collection for the given number of additional elements.

impl Flags for CapabilityFlags

const FLAGS: &'static [Flag<CapabilityFlags>]

The set of defined flags.

type Bits = u32

The underlying bits type.

fn bits(&self) -> u32

Get the underlying bits value.

fn from_bits_retain(bits: u32) -> CapabilityFlags

Convert from a bits value exactly.

fn empty() -> Self

Get a flags value with all bits unset.

fn all() -> Self

Get a flags value with all known bits set.

fn contains_unknown_bits(&self) -> bool

This method will return true if any unknown bits are set.

fn from_bits(bits: Self::Bits) -> Option<Self>

Convert from a bits value.

fn from_bits_truncate(bits: Self::Bits) -> Self

Convert from a bits value, unsetting any unknown bits.

fn from_name(name: &str) -> Option<Self>

Get a flags value with the bits of a flag with the given name set.

fn iter(&self) -> Iter<Self>

Yield a set of contained flags values.

fn iter_names(&self) -> IterNames<Self>

Yield a set of contained named flags values.

fn iter_defined_names() -> IterDefinedNames<Self>

Yield a set of all named flags defined by Self::FLAGS.

fn is_empty(&self) -> bool

Whether all bits in this flags value are unset.

fn is_all(&self) -> bool

Whether all known bits in this flags value are set.

fn intersects(&self, other: Self) -> bool

where Self: Sized,

Whether any set bits in a source flags value are also set in a target flags value.

fn contains(&self, other: Self) -> bool

where Self: Sized,

Whether all set bits in a source flags value are also set in a target flags value.

fn truncate(&mut self)

where Self: Sized,

Remove any unknown bits from the flags.

fn insert(&mut self, other: Self)

where Self: Sized,

The bitwise or (|) of the bits in two flags values.

fn remove(&mut self, other: Self)

where Self: Sized,

The intersection of a source flags value with the complement of a target flags value (&!).

fn toggle(&mut self, other: Self)

where Self: Sized,

The bitwise exclusive-or (^) of the bits in two flags values.

fn set(&mut self, other: Self, value: bool)

where Self: Sized,

Call Flags::insert when value is true or Flags::remove when value is false.

fn clear(&mut self)

where Self: Sized,

Unsets all bits in the flags.

fn intersection(self, other: Self) -> Self

The bitwise and (&) of the bits in two flags values.

fn union(self, other: Self) -> Self

The bitwise or (|) of the bits in two flags values.

fn difference(self, other: Self) -> Self

The intersection of a source flags value with the complement of a target flags value (&!).

fn symmetric_difference(self, other: Self) -> Self

The bitwise exclusive-or (^) of the bits in two flags values.

fn complement(self) -> Self

The bitwise negation (!) of the bits in a flags value, truncating the result.

impl FromIterator<CapabilityFlags> for CapabilityFlags

fn from_iter<T: IntoIterator<Item = Self>>(iterator: T) -> Self

The bitwise or (|) of the bits in each flags value.

impl IntoIterator for CapabilityFlags

type Item = CapabilityFlags

The type of the elements being iterated over.

type IntoIter = Iter<CapabilityFlags>

Which kind of iterator are we turning this into?

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value.

impl LowerHex for CapabilityFlags

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

Formats the value using the given formatter.

impl Not for CapabilityFlags

fn not(self) -> Self

The bitwise negation (!) of the bits in a flags value, truncating the result.

type Output = CapabilityFlags

The resulting type after applying the ! operator.

impl Octal for CapabilityFlags

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

Formats the value using the given formatter.

impl PartialEq for CapabilityFlags

fn eq(&self, other: &CapabilityFlags) -> bool

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PublicFlags for CapabilityFlags

type Primitive = u32

The type of the underlying storage.

type Internal = InternalBitFlags

The type of the internal field on the generated flags type.

impl Sub for CapabilityFlags

fn sub(self, other: Self) -> Self

The intersection of a source flags value with the complement of a target flags value (&!).

This method is not equivalent to self & !other when other has unknown bits set. difference won’t truncate other, but the ! operator will.

type Output = CapabilityFlags

The resulting type after applying the - operator.

impl SubAssign for CapabilityFlags

fn sub_assign(&mut self, other: Self)

The intersection of a source flags value with the complement of a target flags value (&!).

This method is not equivalent to self & !other when other has unknown bits set. difference won’t truncate other, but the ! operator will.

impl UpperHex for CapabilityFlags

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

Formats the value using the given formatter.

impl Copy for CapabilityFlags

impl Eq for CapabilityFlags

impl StructuralPartialEq for CapabilityFlags