Like Java stored procedures, Java scalar functions use one of two parameter styles, Java and DB2GENERAL. When coding a Java user-defined function (UDF), you must be aware of restrictions placed on creating Java scalar functions. Parameter style Java The Java parameter style is the style specifi...
DLI supports the following three types of user-defined functions (UDFs):Regular UDF: takes in one or more input parameters and returns a single result.User-defined table-
In Hive, UDFs are often referred to aplugins. You can create three different types of Hive plugin. A standard UDF is used to perform operations on a single row of data, such as transforming a single input value into a single output value. A user-defined table generating function (UDTF) ...
// TestUser.javapublicclassTestUser{publicstaticvoidmain(String[]args){// 创建 User 对象Useruser1=newUser("Alice",25);// 调用方法并输出用户信息System.out.println(user1.getUserInfo());// 输出: 姓名: Alice, 年龄: 25}} 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 解释: 在main方法中,我...
java.lang.Object JsonSerializable Resource com.microsoft.azure.cosmosdb.UserDefinedFunction public class UserDefinedFunction extends Resource Represents a user defined function in the Azure Cosmos DB database service. Cosmos DB supports JavaScript UDFs which can be used inside queries, stored p...
public String getBody() Get the body of the user defined function. Returns: the body. setBody public void setBody(String body) Set the body of the user defined function. Parameters: body- the body. Applies to Azure SDK for Java Latest...
public CreateUserDefinedFunctionDetails.Builder toBuilder() getKey public String getKey() Generated key that can be used in API calls to identify user defined function. On scenarios where reference to the user defined function is needed, a value can be passed in create. Returns:...
Control of the program is transferred to the user-defined function by calling it. Syntax of function call functionName(argument1, argument2, ...); In the above example, the function call is made usingaddNumbers(n1, n2);statement inside themain()function. ...
public CreateUserDefinedFunctionDetails getBody$() Alternative accessor for the body parameter. Overrides: getBody$ in class BmcRequest<CreateUserDefinedFunctionDetails> Returns: body parameter toBuilder public CreateUserDefinedFunctionRequest.Builder toBuilder() Return an instance of Crea...
Now lets write a UDAF class that extends UserDefinedAggregateFunction class, I have provided the required comments in the code below. import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import org.apache.spark.sql.Row; ...