SQLiteDatabase.SetCustomAggregateFunction(String, IBinaryOperator) Method

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Definition

Namespace:

Android.Database.Sqlite

Assembly:

Mono.Android.dll

Register a custom aggregate function that can be called from SQL expressions.

[Android.Runtime.Register("setCustomAggregateFunction", "(Ljava/lang/String;Ljava/util/function/BinaryOperator;)V", "GetSetCustomAggregateFunction_Ljava_lang_String_Ljava_util_function_BinaryOperator_Handler", ApiSince=30)]
public virtual void SetCustomAggregateFunction (string functionName, Java.Util.Functions.IBinaryOperator aggregateFunction);

[<Android.Runtime.Register("setCustomAggregateFunction", "(Ljava/lang/String;Ljava/util/function/BinaryOperator;)V", "GetSetCustomAggregateFunction_Ljava_lang_String_Ljava_util_function_BinaryOperator_Handler", ApiSince=30)>]
abstract member SetCustomAggregateFunction : string * Java.Util.Functions.IBinaryOperator -> unit
override this.SetCustomAggregateFunction : string * Java.Util.Functions.IBinaryOperator -> unit

Parameters

functionName

String

Case-insensitive name to register this function under, limited to 255 UTF-8 bytes in length.

aggregateFunction

IBinaryOperator

Functional interface that will be invoked when the function name is used by a SQL statement. The argument values from the SQL statement are passed to the functional interface, and the return values from the functional interface are returned back into the SQL statement.

Attributes

RegisterAttribute

Remarks

Java documentation for android.database.sqlite.SQLiteDatabase.setCustomAggregateFunction(java.lang.String, java.util.function.BinaryOperator<java.lang.String>).

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.