java - 根据外键是否存在使用 scriptella 复制数据

Question

我正在尝试将数据从一个表复制到另一个表，但在执行此操作之前，我需要检查所选的代码文章是否已作为另一个表中的键存在。因此，如果存在，我将复制它们，并且不会复制它们，如果不存在，那么我记录它们这里我做了任何帮助来测试所选代码文章是否存在。

这是我所做的

<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE etl SYSTEM "http://scriptella.javaforge.com/dtd/etl.dtd">
<etl>
    <description>
        test script Pour table ARTCAB
    </description>
    <connection id="in" driver="oracle"
        url="jdbc:oracle:thin:@localhost:1521:XE" user="IPTECH" password="IPTECH" />
    <connection id="out" driver="postgresql"
        url="jdbc:postgresql://localhost:5432/gemodb" user="postgres"
        password="maher" />
    <connection id="janino" driver="janino" />
    <query connection-id="in">
        select CODEART,CAB from IPTECH.TMP_ARTCAB ;
        <query connection-id="out">
            select id from public.articles ;

            <query connection-id="janino">
                import java.io.*;
                import java.lang.*;
                Boolean result= false ;
                Object objGold =get("CODEART");
                Object objLocal =get("id");
                if(objGold.equals(objLocal))
                {

                System.out.println("equals);

                result=true ;}
                else{
                System.out.println("not equal");

                result=false ;
                }
                set("result", result);
                next();


                <script connection-id="out" if="result">

                    INSERT INTO public.cabarticle
                    (id ,
                    is_enabled,cab_article,article_id) values (1, TRUE,cast(?CAB
                    as
                    bigint),cast(?CODEART as bigint));


                </script>

            </query>
        </query>
    </query>
</etl>

任何帮助将不胜感激，非常感谢

Answer 1

<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE etl SYSTEM "http://scriptella.javaforge.com/dtd/etl.dtd">
<etl>
    <description>
        test script Pour table ARTCAB
    </description>
    <connection id="in" driver="oracle"
        url="jdbc:oracle:thin:@localhost:1521:XE" user="IPTECH" password="IPTECH" />
    <connection id="out" driver="postgresql"
        url="jdbc:postgresql://localhost:5432/testMonoprix2" user="postgres"
        password="maher" />
    <connection id="log" driver="text" url="./logging.log" />
    <connection id="janino" driver="janino" />
        <query connection-id="out">
        select id from public.articles
        <query connection-id="in">
            select CODEART,CAB from IPTECH.TMP_ARTCAB
            <query connection-id="janino">
                set("result",get("id").equals(get("CODEART")));
                next();
                <script connection-id="out" if="result">
                    INSERT INTO public.cabarticle
                    (is_enabled,cab_article,article_id)
                    values
                    (TRUE,cast(?id as bigint),?id)
                </script>
                <script connection-id="log" if="!result">
                    $CODEART,$CAB n'ont pas été copiés
                </script>
            </query>
        </query>
    </query>

</etl>