Struct opensrv_mysql::StatusFlags
source · [−]pub struct StatusFlags { /* private fields */ }
Expand description
MySql server status flags
Implementations
sourceimpl StatusFlags
impl StatusFlags
sourcepub const SERVER_STATUS_IN_TRANS: StatusFlags = Self{bits: 1,}
pub const SERVER_STATUS_IN_TRANS: StatusFlags = Self{bits: 1,}
Is raised when a multi-statement transaction has been started, either explicitly, by means of BEGIN or COMMIT AND CHAIN, or implicitly, by the first transactional statement, when autocommit=off.
sourcepub const SERVER_STATUS_AUTOCOMMIT: StatusFlags = Self{bits: 2,}
pub const SERVER_STATUS_AUTOCOMMIT: StatusFlags = Self{bits: 2,}
Server in auto_commit mode.
sourcepub const SERVER_MORE_RESULTS_EXISTS: StatusFlags = Self{bits: 8,}
pub const SERVER_MORE_RESULTS_EXISTS: StatusFlags = Self{bits: 8,}
Multi query - next query exists.
pub const SERVER_STATUS_NO_GOOD_INDEX_USED: StatusFlags = Self{bits: 16,}
pub const SERVER_STATUS_NO_INDEX_USED: StatusFlags = Self{bits: 32,}
sourcepub const SERVER_STATUS_CURSOR_EXISTS: StatusFlags = Self{bits: 64,}
pub const SERVER_STATUS_CURSOR_EXISTS: StatusFlags = Self{bits: 64,}
The server was able to fulfill the clients request and opened a read-only non-scrollable cursor for a query. This flag comes in reply to COM_STMT_EXECUTE and COM_STMT_FETCH commands. Used by Binary Protocol Resultset to signal that COM_STMT_FETCH must be used to fetch the row-data.
sourcepub const SERVER_STATUS_LAST_ROW_SENT: StatusFlags = Self{bits: 128,}
pub const SERVER_STATUS_LAST_ROW_SENT: StatusFlags = Self{bits: 128,}
This flag is sent when a read-only cursor is exhausted, in reply to COM_STMT_FETCH command.
sourcepub const SERVER_STATUS_DB_DROPPED: StatusFlags = Self{bits: 256,}
pub const SERVER_STATUS_DB_DROPPED: StatusFlags = Self{bits: 256,}
A database was dropped.
pub const SERVER_STATUS_NO_BACKSLASH_ESCAPES: StatusFlags = Self{bits: 512,}
sourcepub const SERVER_STATUS_METADATA_CHANGED: StatusFlags = Self{bits: 1024,}
pub const SERVER_STATUS_METADATA_CHANGED: StatusFlags = Self{bits: 1024,}
Sent to the client if after a prepared statement reprepare we discovered that the new statement returns a different number of result set columns.
pub const SERVER_QUERY_WAS_SLOW: StatusFlags = Self{bits: 2048,}
sourcepub const SERVER_PS_OUT_PARAMS: StatusFlags = Self{bits: 4096,}
pub const SERVER_PS_OUT_PARAMS: StatusFlags = Self{bits: 4096,}
To mark ResultSet containing output parameter values.
sourcepub const SERVER_STATUS_IN_TRANS_READONLY: StatusFlags = Self{bits: 8192,}
pub const SERVER_STATUS_IN_TRANS_READONLY: StatusFlags = Self{bits: 8192,}
Set at the same time as SERVER_STATUS_IN_TRANS if the started multi-statement transaction is a read-only transaction. Cleared when the transaction commits or aborts. Since this flag is sent to clients in OK and EOF packets, the flag indicates the transaction status at the end of command execution.
sourcepub const SERVER_SESSION_STATE_CHANGED: StatusFlags = Self{bits: 16384,}
pub const SERVER_SESSION_STATE_CHANGED: StatusFlags = Self{bits: 16384,}
This status flag, when on, implies that one of the state information has changed on the server because of the execution of the last statement.
sourcepub const fn empty() -> StatusFlags
pub const fn empty() -> StatusFlags
Returns an empty set of flags.
sourcepub const fn all() -> StatusFlags
pub const fn all() -> StatusFlags
Returns the set containing all flags.
sourcepub const fn from_bits(bits: u16) -> Option<StatusFlags>
pub const fn from_bits(bits: u16) -> Option<StatusFlags>
Convert from underlying bit representation, unless that representation contains bits that do not correspond to a flag.
sourcepub const fn from_bits_truncate(bits: u16) -> StatusFlags
pub const fn from_bits_truncate(bits: u16) -> StatusFlags
Convert from underlying bit representation, dropping any bits that do not correspond to flags.
sourcepub const unsafe fn from_bits_unchecked(bits: u16) -> StatusFlags
pub const unsafe fn from_bits_unchecked(bits: u16) -> StatusFlags
Convert from underlying bit representation, preserving all bits (even those not corresponding to a defined flag).
Safety
The caller of the bitflags!
macro can chose to allow or
disallow extra bits for their bitflags type.
The caller of from_bits_unchecked()
has to ensure that
all bits correspond to a defined flag or that extra bits
are valid for this bitflags type.
sourcepub const fn intersects(&self, other: StatusFlags) -> bool
pub const fn intersects(&self, other: StatusFlags) -> bool
Returns true
if there are flags common to both self
and other
.
sourcepub const fn contains(&self, other: StatusFlags) -> bool
pub const fn contains(&self, other: StatusFlags) -> bool
Returns true
if all of the flags in other
are contained within self
.
sourcepub fn insert(&mut self, other: StatusFlags)
pub fn insert(&mut self, other: StatusFlags)
Inserts the specified flags in-place.
sourcepub fn remove(&mut self, other: StatusFlags)
pub fn remove(&mut self, other: StatusFlags)
Removes the specified flags in-place.
sourcepub fn toggle(&mut self, other: StatusFlags)
pub fn toggle(&mut self, other: StatusFlags)
Toggles the specified flags in-place.
sourcepub fn set(&mut self, other: StatusFlags, value: bool)
pub fn set(&mut self, other: StatusFlags, value: bool)
Inserts or removes the specified flags depending on the passed value.
sourcepub const fn intersection(self, other: StatusFlags) -> StatusFlags
pub const fn intersection(self, other: StatusFlags) -> StatusFlags
Returns the intersection between the flags in self
and
other
.
Specifically, the returned set contains only the flags which are
present in both self
and other
.
This is equivalent to using the &
operator (e.g.
ops::BitAnd
), as in flags & other
.
sourcepub const fn union(self, other: StatusFlags) -> StatusFlags
pub const fn union(self, other: StatusFlags) -> StatusFlags
Returns the union of between the flags in self
and other
.
Specifically, the returned set contains all flags which are
present in either self
or other
, including any which are
present in both (see Self::symmetric_difference
if that
is undesirable).
This is equivalent to using the |
operator (e.g.
ops::BitOr
), as in flags | other
.
sourcepub const fn difference(self, other: StatusFlags) -> StatusFlags
pub const fn difference(self, other: StatusFlags) -> StatusFlags
Returns the difference between the flags in self
and other
.
Specifically, the returned set contains all flags present in
self
, except for the ones present in other
.
It is also conceptually equivalent to the “bit-clear” operation:
flags & !other
(and this syntax is also supported).
This is equivalent to using the -
operator (e.g.
ops::Sub
), as in flags - other
.
sourcepub const fn symmetric_difference(self, other: StatusFlags) -> StatusFlags
pub const fn symmetric_difference(self, other: StatusFlags) -> StatusFlags
Returns the symmetric difference between the flags
in self
and other
.
Specifically, the returned set contains the flags present which
are present in self
or other
, but that are not present in
both. Equivalently, it contains the flags present in exactly
one of the sets self
and other
.
This is equivalent to using the ^
operator (e.g.
ops::BitXor
), as in flags ^ other
.
sourcepub const fn complement(self) -> StatusFlags
pub const fn complement(self) -> StatusFlags
Returns the complement of this set of flags.
Specifically, the returned set contains all the flags which are
not set in self
, but which are allowed for this type.
Alternatively, it can be thought of as the set difference
between Self::all()
and self
(e.g. Self::all() - self
)
This is equivalent to using the !
operator (e.g.
ops::Not
), as in !flags
.
Trait Implementations
sourceimpl Binary for StatusFlags
impl Binary for StatusFlags
sourceimpl BitAnd<StatusFlags> for StatusFlags
impl BitAnd<StatusFlags> for StatusFlags
sourcefn bitand(self, other: StatusFlags) -> StatusFlags
fn bitand(self, other: StatusFlags) -> StatusFlags
Returns the intersection between the two sets of flags.
type Output = StatusFlags
type Output = StatusFlags
The resulting type after applying the &
operator.
sourceimpl BitAndAssign<StatusFlags> for StatusFlags
impl BitAndAssign<StatusFlags> for StatusFlags
sourcefn bitand_assign(&mut self, other: StatusFlags)
fn bitand_assign(&mut self, other: StatusFlags)
Disables all flags disabled in the set.
sourceimpl BitOr<StatusFlags> for StatusFlags
impl BitOr<StatusFlags> for StatusFlags
sourcefn bitor(self, other: StatusFlags) -> StatusFlags
fn bitor(self, other: StatusFlags) -> StatusFlags
Returns the union of the two sets of flags.
type Output = StatusFlags
type Output = StatusFlags
The resulting type after applying the |
operator.
sourceimpl BitOrAssign<StatusFlags> for StatusFlags
impl BitOrAssign<StatusFlags> for StatusFlags
sourcefn bitor_assign(&mut self, other: StatusFlags)
fn bitor_assign(&mut self, other: StatusFlags)
Adds the set of flags.
sourceimpl BitXor<StatusFlags> for StatusFlags
impl BitXor<StatusFlags> for StatusFlags
sourcefn bitxor(self, other: StatusFlags) -> StatusFlags
fn bitxor(self, other: StatusFlags) -> StatusFlags
Returns the left flags, but with all the right flags toggled.
type Output = StatusFlags
type Output = StatusFlags
The resulting type after applying the ^
operator.
sourceimpl BitXorAssign<StatusFlags> for StatusFlags
impl BitXorAssign<StatusFlags> for StatusFlags
sourcefn bitxor_assign(&mut self, other: StatusFlags)
fn bitxor_assign(&mut self, other: StatusFlags)
Toggles the set of flags.
sourceimpl Bitflags for StatusFlags
impl Bitflags for StatusFlags
type Repr = u16
fn empty() -> StatusFlags
fn all() -> StatusFlags
fn bits(&self) -> <StatusFlags as Bitflags>::Repr
fn from_bits(bits: <StatusFlags as Bitflags>::Repr) -> Option<StatusFlags>
fn from_bits_truncate(bits: <StatusFlags as Bitflags>::Repr) -> StatusFlags
sourceunsafe fn from_bits_unchecked(
bits: <StatusFlags as Bitflags>::Repr
) -> StatusFlags
unsafe fn from_bits_unchecked(
bits: <StatusFlags as Bitflags>::Repr
) -> StatusFlags
Safety Read more
fn is_empty(&self) -> bool
fn is_all(&self) -> bool
fn intersects(&self, other: StatusFlags) -> bool
fn contains(&self, other: StatusFlags) -> bool
fn insert(&mut self, other: StatusFlags)
fn remove(&mut self, other: StatusFlags)
fn toggle(&mut self, other: StatusFlags)
fn set(&mut self, other: StatusFlags, value: bool)
sourceimpl Clone for StatusFlags
impl Clone for StatusFlags
sourcefn clone(&self) -> StatusFlags
fn clone(&self) -> StatusFlags
Returns a copy of the value. Read more
1.0.0 · sourcefn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
sourceimpl Debug for StatusFlags
impl Debug for StatusFlags
sourceimpl Default for StatusFlags
impl Default for StatusFlags
sourcefn default() -> StatusFlags
fn default() -> StatusFlags
Returns the “default value” for a type. Read more
sourceimpl Extend<StatusFlags> for StatusFlags
impl Extend<StatusFlags> for StatusFlags
sourcefn extend<T>(&mut self, iterator: T) where
T: IntoIterator<Item = StatusFlags>,
fn extend<T>(&mut self, iterator: T) where
T: IntoIterator<Item = StatusFlags>,
Extends a collection with the contents of an iterator. Read more
sourcefn extend_one(&mut self, item: A)
fn extend_one(&mut self, item: A)
extend_one
)Extends a collection with exactly one element.
sourcefn extend_reserve(&mut self, additional: usize)
fn extend_reserve(&mut self, additional: usize)
extend_one
)Reserves capacity in a collection for the given number of additional elements. Read more
sourceimpl FromIterator<StatusFlags> for StatusFlags
impl FromIterator<StatusFlags> for StatusFlags
sourcefn from_iter<T>(iterator: T) -> StatusFlags where
T: IntoIterator<Item = StatusFlags>,
fn from_iter<T>(iterator: T) -> StatusFlags where
T: IntoIterator<Item = StatusFlags>,
Creates a value from an iterator. Read more
sourceimpl Hash for StatusFlags
impl Hash for StatusFlags
sourceimpl LowerHex for StatusFlags
impl LowerHex for StatusFlags
sourceimpl Not for StatusFlags
impl Not for StatusFlags
sourcefn not(self) -> StatusFlags
fn not(self) -> StatusFlags
Returns the complement of this set of flags.
type Output = StatusFlags
type Output = StatusFlags
The resulting type after applying the !
operator.
sourceimpl Octal for StatusFlags
impl Octal for StatusFlags
sourceimpl Ord for StatusFlags
impl Ord for StatusFlags
sourceimpl PartialEq<StatusFlags> for StatusFlags
impl PartialEq<StatusFlags> for StatusFlags
sourcefn eq(&self, other: &StatusFlags) -> bool
fn eq(&self, other: &StatusFlags) -> bool
This method tests for self
and other
values to be equal, and is used
by ==
. Read more
sourcefn ne(&self, other: &StatusFlags) -> bool
fn ne(&self, other: &StatusFlags) -> bool
This method tests for !=
.
sourceimpl PartialOrd<StatusFlags> for StatusFlags
impl PartialOrd<StatusFlags> for StatusFlags
sourcefn partial_cmp(&self, other: &StatusFlags) -> Option<Ordering>
fn partial_cmp(&self, other: &StatusFlags) -> Option<Ordering>
This method returns an ordering between self
and other
values if one exists. Read more
1.0.0 · sourcefn lt(&self, other: &Rhs) -> bool
fn lt(&self, other: &Rhs) -> bool
This method tests less than (for self
and other
) and is used by the <
operator. Read more
1.0.0 · sourcefn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
sourceimpl Sub<StatusFlags> for StatusFlags
impl Sub<StatusFlags> for StatusFlags
sourcefn sub(self, other: StatusFlags) -> StatusFlags
fn sub(self, other: StatusFlags) -> StatusFlags
Returns the set difference of the two sets of flags.
type Output = StatusFlags
type Output = StatusFlags
The resulting type after applying the -
operator.
sourceimpl SubAssign<StatusFlags> for StatusFlags
impl SubAssign<StatusFlags> for StatusFlags
sourcefn sub_assign(&mut self, other: StatusFlags)
fn sub_assign(&mut self, other: StatusFlags)
Disables all flags enabled in the set.
sourceimpl TryFrom<u16> for StatusFlags
impl TryFrom<u16> for StatusFlags
type Error = UnknownStatusFlags
type Error = UnknownStatusFlags
The type returned in the event of a conversion error.
sourcefn try_from(val: u16) -> Result<StatusFlags, UnknownStatusFlags>
fn try_from(val: u16) -> Result<StatusFlags, UnknownStatusFlags>
Performs the conversion.
sourceimpl UpperHex for StatusFlags
impl UpperHex for StatusFlags
impl Copy for StatusFlags
impl Eq for StatusFlags
impl StructuralEq for StatusFlags
impl StructuralPartialEq for StatusFlags
Auto Trait Implementations
impl RefUnwindSafe for StatusFlags
impl Send for StatusFlags
impl Sync for StatusFlags
impl Unpin for StatusFlags
impl UnwindSafe for StatusFlags
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
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impl<T> FmtForward for T
fn fmt_binary(self) -> FmtBinary<Self> where
Self: Binary,
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Self: Binary,
Causes self
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implementation when Debug
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Self: Display,
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Self: Display,
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to use its Display
implementation when
Debug
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fn fmt_lower_exp(self) -> FmtLowerExp<Self> where
Self: LowerExp,
fn fmt_lower_exp(self) -> FmtLowerExp<Self> where
Self: LowerExp,
Causes self
to use its LowerExp
implementation when
Debug
-formatted. Read more
fn fmt_lower_hex(self) -> FmtLowerHex<Self> where
Self: LowerHex,
fn fmt_lower_hex(self) -> FmtLowerHex<Self> where
Self: LowerHex,
Causes self
to use its LowerHex
implementation when
Debug
-formatted. Read more
fn fmt_octal(self) -> FmtOctal<Self> where
Self: Octal,
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Self: Octal,
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Self: Pointer,
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Self: Pointer,
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Self: UpperExp,
fn fmt_upper_exp(self) -> FmtUpperExp<Self> where
Self: UpperExp,
Causes self
to use its UpperExp
implementation when
Debug
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fn fmt_upper_hex(self) -> FmtUpperHex<Self> where
Self: UpperHex,
fn fmt_upper_hex(self) -> FmtUpperHex<Self> where
Self: UpperHex,
Causes self
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Debug
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&'a Self: for<'a> IntoIterator,
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&'a Self: for<'a> IntoIterator,
Formats each item in a sequence. Read more
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