Struct xpcom::interfaces::mozIStorageBaseStatement
[−]
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#[repr(C)]pub struct mozIStorageBaseStatement { /* fields omitted */ }
interface mozIStorageBaseStatement : mozIStorageBindingParams
/**
* The base interface for both pure asynchronous storage statements
* (mozIStorageAsyncStatement) and 'classic' storage statements
* (mozIStorageStatement) that can be used for both synchronous and asynchronous
* purposes.
*/
Methods
impl mozIStorageBaseStatement
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pub fn coerce<T: mozIStorageBaseStatementCoerce>(&self) -> &T
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Cast this mozIStorageBaseStatement
to one of its base interfaces.
impl mozIStorageBaseStatement
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pub const MOZ_STORAGE_STATEMENT_INVALID: i64
MOZ_STORAGE_STATEMENT_INVALID: i64 = 0
/**
* The statement is not usable, either because it failed to initialize or
* was explicitly finalized.
*/
pub const MOZ_STORAGE_STATEMENT_READY: i64
MOZ_STORAGE_STATEMENT_READY: i64 = 1
/**
* The statement is usable.
*/
pub const MOZ_STORAGE_STATEMENT_EXECUTING: i64
MOZ_STORAGE_STATEMENT_EXECUTING: i64 = 2
/**
* Indicates that the statement is executing and the row getters may be used.
*
* @note This is only relevant for mozIStorageStatement instances being used
* in a synchronous fashion.
*/
pub unsafe fn Finalize(&self) -> nsresult
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/**
* Finalizes a statement so you can successfully close a database connection.
* Once a statement has been finalized it can no longer be used for any
* purpose.
*
* Statements are implicitly finalized when their reference counts hits zero.
* If you are a native (C++) caller this is accomplished by setting all of
* your nsCOMPtr instances to be NULL. If you are operating from JavaScript
* code then you cannot rely on this behavior because of the involvement of
* garbage collection.
*
* When finalizing an asynchronous statement you do not need to worry about
* whether the statement has actually been executed by the asynchronous
* thread; you just need to call finalize after your last call to executeAsync
* involving the statement. However, you do need to use asyncClose instead of
* close on the connection if any statements have been used asynchronously.
*/
void finalize ();
pub unsafe fn BindParameters(
&self,
aParameters: *const mozIStorageBindingParamsArray
) -> nsresult
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&self,
aParameters: *const mozIStorageBindingParamsArray
) -> nsresult
/**
* Binds the array of parameters to the statement. When executeAsync is
* called, all the parameters in aParameters are bound and then executed.
*
* @param aParameters
* The array of parameters to bind to the statement upon execution.
*
* @note This is only works on statements being used asynchronously.
*/
void bindParameters (in mozIStorageBindingParamsArray aParameters);
pub unsafe fn NewBindingParamsArray(
&self,
_retval: *mut *const mozIStorageBindingParamsArray
) -> nsresult
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&self,
_retval: *mut *const mozIStorageBindingParamsArray
) -> nsresult
/**
* Creates a new mozIStorageBindingParamsArray that can be used to bind
* multiple sets of data to a statement with bindParameters.
*
* @return a mozIStorageBindingParamsArray that multiple sets of parameters
* can be bound to.
*
* @note This is only useful for statements being used asynchronously.
*/
mozIStorageBindingParamsArray newBindingParamsArray ();
pub unsafe fn ExecuteAsync(
&self,
aCallback: *const mozIStorageStatementCallback,
_retval: *mut *const mozIStoragePendingStatement
) -> nsresult
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&self,
aCallback: *const mozIStorageStatementCallback,
_retval: *mut *const mozIStoragePendingStatement
) -> nsresult
/**
* Execute a query asynchronously using any currently bound parameters. This
* statement can be reused immediately, and reset does not need to be called.
*
* @note If you have any custom defined functions, they must be re-entrant
* since they can be called on multiple threads.
*
* @param aCallback [optional]
* The callback object that will be notified of progress, errors, and
* completion.
* @return an object that can be used to cancel the statements execution.
*/
mozIStoragePendingStatement executeAsync ([optional] in mozIStorageStatementCallback aCallback);
pub unsafe fn GetState(&self, aState: *mut int32_t) -> nsresult
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/**
* Find out whether the statement is usable (has not been finalized).
*/
readonly attribute long state;
pub unsafe fn EscapeStringForLIKE(
&self,
aValue: &nsAString,
aEscapeChar: int16_t,
_retval: &mut nsAString
) -> nsresult
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&self,
aValue: &nsAString,
aEscapeChar: int16_t,
_retval: &mut nsAString
) -> nsresult
/**
* Escape a string for SQL LIKE search.
*
* @note Consumers will have to use same escape char when doing statements
* such as: ...LIKE '?1' ESCAPE '/'...
*
* @param aValue
* The string to escape for SQL LIKE.
* @param aEscapeChar
* The escape character.
* @return an AString of an escaped version of aValue
* (%, _ and the escape char are escaped with the escape char)
* For example, we will convert "foo/bar_baz%20cheese"
* into "foo//bar/_baz/%20cheese" (if the escape char is '/').
*/
AString escapeStringForLIKE (in AString aValue, in wchar aEscapeChar);
Methods from Deref<Target = mozIStorageBindingParams>
pub fn coerce<T: mozIStorageBindingParamsCoerce>(&self) -> &T
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Cast this mozIStorageBindingParams
to one of its base interfaces.
pub unsafe fn BindByName(
&self,
aName: &nsACString,
aValue: *const nsIVariant
) -> nsresult
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&self,
aName: &nsACString,
aValue: *const nsIVariant
) -> nsresult
/**
* Binds aValue to the parameter with the name aName.
*
* @param aName
* The name of the parameter to bind aValue to.
* @param aValue
* The value to bind.
*/
void bindByName (in AUTF8String aName, in nsIVariant aValue);
pub unsafe fn BindUTF8StringByName(
&self,
aName: &nsACString,
aValue: &nsACString
) -> nsresult
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&self,
aName: &nsACString,
aValue: &nsACString
) -> nsresult
[noscript] void bindUTF8StringByName (in AUTF8String aName, in AUTF8String aValue);
pub unsafe fn BindStringByName(
&self,
aName: &nsACString,
aValue: &nsAString
) -> nsresult
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&self,
aName: &nsACString,
aValue: &nsAString
) -> nsresult
[noscript] void bindStringByName (in AUTF8String aName, in AString aValue);
pub unsafe fn BindDoubleByName(
&self,
aName: &nsACString,
aValue: c_double
) -> nsresult
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&self,
aName: &nsACString,
aValue: c_double
) -> nsresult
[noscript] void bindDoubleByName (in AUTF8String aName, in double aValue);
pub unsafe fn BindInt32ByName(
&self,
aName: &nsACString,
aValue: int32_t
) -> nsresult
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&self,
aName: &nsACString,
aValue: int32_t
) -> nsresult
[noscript] void bindInt32ByName (in AUTF8String aName, in long aValue);
pub unsafe fn BindInt64ByName(
&self,
aName: &nsACString,
aValue: int64_t
) -> nsresult
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&self,
aName: &nsACString,
aValue: int64_t
) -> nsresult
[noscript] void bindInt64ByName (in AUTF8String aName, in long long aValue);
pub unsafe fn BindNullByName(&self, aName: &nsACString) -> nsresult
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[noscript] void bindNullByName (in AUTF8String aName);
pub unsafe fn BindBlobByName(
&self,
aName: &nsACString,
aValue: *const uint8_t,
aValueSize: uint32_t
) -> nsresult
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&self,
aName: &nsACString,
aValue: *const uint8_t,
aValueSize: uint32_t
) -> nsresult
void bindBlobByName (in AUTF8String aName, [array, size_is (aValueSize), const] in octet aValue, in unsigned long aValueSize);
pub unsafe fn BindStringAsBlobByName(
&self,
aName: &nsACString,
aValue: &nsAString
) -> nsresult
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&self,
aName: &nsACString,
aValue: &nsAString
) -> nsresult
void bindStringAsBlobByName (in AUTF8String aName, in AString aValue);
pub unsafe fn BindUTF8StringAsBlobByName(
&self,
aName: &nsACString,
aValue: &nsACString
) -> nsresult
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&self,
aName: &nsACString,
aValue: &nsACString
) -> nsresult
void bindUTF8StringAsBlobByName (in AUTF8String aName, in AUTF8String aValue);
pub unsafe fn BindAdoptedBlobByName(
&self,
aName: &nsACString,
aValue: *mut uint8_t,
aValueSize: uint32_t
) -> nsresult
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&self,
aName: &nsACString,
aValue: *mut uint8_t,
aValueSize: uint32_t
) -> nsresult
[noscript] void bindAdoptedBlobByName (in AUTF8String aName, [array, size_is (aValueSize)] in octet aValue, in unsigned long aValueSize);
pub unsafe fn BindByIndex(
&self,
aIndex: uint32_t,
aValue: *const nsIVariant
) -> nsresult
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&self,
aIndex: uint32_t,
aValue: *const nsIVariant
) -> nsresult
/**
* Binds aValue to the parameter with the index aIndex.
*
* @param aIndex
* The zero-based index of the parameter to bind aValue to.
* @param aValue
* The value to bind.
*/
void bindByIndex (in unsigned long aIndex, in nsIVariant aValue);
pub unsafe fn BindUTF8StringByIndex(
&self,
aIndex: uint32_t,
aValue: &nsACString
) -> nsresult
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&self,
aIndex: uint32_t,
aValue: &nsACString
) -> nsresult
[noscript] void bindUTF8StringByIndex (in unsigned long aIndex, in AUTF8String aValue);
pub unsafe fn BindStringByIndex(
&self,
aIndex: uint32_t,
aValue: &nsAString
) -> nsresult
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&self,
aIndex: uint32_t,
aValue: &nsAString
) -> nsresult
[noscript] void bindStringByIndex (in unsigned long aIndex, in AString aValue);
pub unsafe fn BindDoubleByIndex(
&self,
aIndex: uint32_t,
aValue: c_double
) -> nsresult
[src]
&self,
aIndex: uint32_t,
aValue: c_double
) -> nsresult
[noscript] void bindDoubleByIndex (in unsigned long aIndex, in double aValue);
pub unsafe fn BindInt32ByIndex(
&self,
aIndex: uint32_t,
aValue: int32_t
) -> nsresult
[src]
&self,
aIndex: uint32_t,
aValue: int32_t
) -> nsresult
[noscript] void bindInt32ByIndex (in unsigned long aIndex, in long aValue);
pub unsafe fn BindInt64ByIndex(
&self,
aIndex: uint32_t,
aValue: int64_t
) -> nsresult
[src]
&self,
aIndex: uint32_t,
aValue: int64_t
) -> nsresult
[noscript] void bindInt64ByIndex (in unsigned long aIndex, in long long aValue);
pub unsafe fn BindNullByIndex(&self, aIndex: uint32_t) -> nsresult
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[noscript] void bindNullByIndex (in unsigned long aIndex);
pub unsafe fn BindBlobByIndex(
&self,
aIndex: uint32_t,
aValue: *const uint8_t,
aValueSize: uint32_t
) -> nsresult
[src]
&self,
aIndex: uint32_t,
aValue: *const uint8_t,
aValueSize: uint32_t
) -> nsresult
void bindBlobByIndex (in unsigned long aIndex, [array, size_is (aValueSize), const] in octet aValue, in unsigned long aValueSize);
pub unsafe fn BindStringAsBlobByIndex(
&self,
aIndex: uint32_t,
aValue: &nsAString
) -> nsresult
[src]
&self,
aIndex: uint32_t,
aValue: &nsAString
) -> nsresult
void bindStringAsBlobByIndex (in unsigned long aIndex, in AString aValue);
pub unsafe fn BindUTF8StringAsBlobByIndex(
&self,
aIndex: uint32_t,
aValue: &nsACString
) -> nsresult
[src]
&self,
aIndex: uint32_t,
aValue: &nsACString
) -> nsresult
void bindUTF8StringAsBlobByIndex (in unsigned long aIndex, in AUTF8String aValue);
pub unsafe fn BindAdoptedBlobByIndex(
&self,
aIndex: uint32_t,
aValue: *mut uint8_t,
aValueSize: uint32_t
) -> nsresult
[src]
&self,
aIndex: uint32_t,
aValue: *mut uint8_t,
aValueSize: uint32_t
) -> nsresult
[noscript] void bindAdoptedBlobByIndex (in unsigned long aIndex, [array, size_is (aValueSize)] in octet aValue, in unsigned long aValueSize);
Trait Implementations
impl XpCom for mozIStorageBaseStatement
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const IID: nsIID
IID: nsIID = nsID(382363562, 4901, 17378, [170, 199, 133, 154, 253, 21, 144, 178])
fn query_interface<T: XpCom>(&self) -> Option<RefPtr<T>>
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Perform a QueryInterface call on this object, attempting to dynamically cast it to the requested interface type. Returns Some(RefPtr) if the cast succeeded, and None otherwise. Read more
impl RefCounted for mozIStorageBaseStatement
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unsafe fn addref(&self)
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Increment the reference count.
unsafe fn release(&self)
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Decrement the reference count, potentially freeing backing memory.
impl Deref for mozIStorageBaseStatement
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type Target = mozIStorageBindingParams
The resulting type after dereferencing.
fn deref(&self) -> &mozIStorageBindingParams
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Dereferences the value.