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How to write java user defined function in Snowflake

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Step-5: Java & SQL Construct

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class MyJavaUDF {

    private double x;

    // Constructor
    public MyJavaUDF()  {
        x = Math.random();
    }

    // Handler
    public double myHandler() {
        return x;
    }

    public static void main(String [] args){
        MyJavaUDF mc = new MyJavaUDF();
        System.out.println(mc.myHandler());
    }
}
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use role sysadmin;
use database ttips;
use schema udfs;
use warehouse compute_wh;

-- lets list if my jar is available or not
list @~;

create or replace function my_java_udf()
    returns double
    language java
    imports = ('@~/java-udf/MyUDF.jar')
    handler = 'MyJavaUDF.myHandler';
    
desc function my_java_udf();

select my_java_udf(),my_java_udf(),my_java_udf();

select my_java_udf()
union all
select my_java_udf();

show functions like 'MY_JAVA%';
  1. Part-02 User Defined Function in Snowflake SQLs
  2. Part-02 JavaScript & SQL User Defined Function in Snowflake SQLs
  3. Part-03 Strict Property User Defined Function in Snowflake SQLs
  4. Part-04 Not Null Return User Defined Function in Snowflake SQLs
  5. Part-05 Secure User Defined Function in Snowflake SQLs
  6. Part-06 Inbuilt Vs. User Defined Function in Snowflake SQLs
  7. Part-07 Table User Defined Function in Snowflake SQLs
  8. Part-08 Method Overloading SQL Script
  9. Part-09 Java User Defined Function SQL & Java Code