Update records that can be retrieved by multiple joins in x++

大兔子大兔子 提交于 2019-12-02 08:53:10

First off, do not try to do update cross company, it is bound to fail. Make the update work in current company, then apply the script to other relevant companies.

Fixed a few things:

  • Trying to update a record found with exists join will not work, hence your error.
  • Testing on record found is redundant, the loop will not be entered if none is found
  • Use a large transaction

Also put the update in an inner function, this will make it easy to update in more than one company. See this answer on how to do in all companies.

static void UpdateSample(Args _args)
{
    void doIt()
    {
        InventTable  a;
        InventTableModule b;
        EcoResProduct c;
        EcoResProductCategory d;
        EcoResCategory e;
        EcoResCategoryHierarchy f;
        int i;
        ttsBegin;
        while select a
            join forUpdate b where a.ItemId  == b.ItemId  
            exists join c where a.Product  == c.RecId
            exists join d where c.RecId  == d.Product
            exists join e where d.Category  == e.RecId
            exists join f where d.CategoryHierarchy  == f.RecId
            && b.ModuleType  == 2
            && b.LineDisc  == ''
            && f.name == 'EXAMPLE'
            &&(e.name == 'sample1' || e.name == 'sample2' || e.name == 'sample3')
        {
            ++i;
            b.LineDisc= 'something'; 
            b.update();
        }
        ttsCommit;
        info(strfmt("total record/s updated : %1", i));
    }
    changecompany ('XXX')
        doIt();
}
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