Condividi tramite


SQLiteStatement.SimpleQueryForBlobFileDescriptor Method

Definition

Executes a statement that returns a 1 by 1 table with a blob value.

[Android.Runtime.Register("simpleQueryForBlobFileDescriptor", "()Landroid/os/ParcelFileDescriptor;", "GetSimpleQueryForBlobFileDescriptorHandler")]
public virtual Android.OS.ParcelFileDescriptor? SimpleQueryForBlobFileDescriptor ();
[<Android.Runtime.Register("simpleQueryForBlobFileDescriptor", "()Landroid/os/ParcelFileDescriptor;", "GetSimpleQueryForBlobFileDescriptorHandler")>]
abstract member SimpleQueryForBlobFileDescriptor : unit -> Android.OS.ParcelFileDescriptor
override this.SimpleQueryForBlobFileDescriptor : unit -> Android.OS.ParcelFileDescriptor

Returns

A read-only file descriptor for a copy of the blob value, or null if the value is null or could not be read for some reason.

Attributes

Exceptions

if the query returns zero rows

Remarks

Executes a statement that returns a 1 by 1 table with a blob value.

Java documentation for android.database.sqlite.SQLiteStatement.simpleQueryForBlobFileDescriptor().

Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.

Applies to