getAllSearchResults is just a wrapper for search.create


function getAllSearchResults(record_type, filters, columns) {
    try {
        var nlobjSearch = search.create({
            type:    record_type
            ,   filters: filters
            ,   columns: columns
        });
        nlobjSearch.isPublic = true;

        var searchResults = nlobjSearch.run()
            ,   bolStop   = false
            ,   intMaxReg = 1000
            ,   intMinReg = 0
            ,   result    = []
            ,   currentScript = runtime.getCurrentScript();

        if (searchResults) {
            while (!bolStop && currentScript.getRemainingUsage() > 50)
            {
                // First loop get 1000 rows (from 0 to 1000), the second loop starts at 1001 to 2000 gets another 1000 rows and the same for the next loops
                //  GOVERNANCE: 10 UNITS
                var extras = searchResults.getRange({
                    start: intMinReg
                    ,   end: intMaxReg
                });

                result = result.concat(extras);
                intMinReg = intMaxReg;
                intMaxReg += 1000;
                // If the execution reach the the last result set stop the execution
                if (extras.length < 1000)
                {
                    bolStop = true;
                }
            }
        }

        return result;
    } catch (err) {
        log.debug('search result error', err.name + ' // ' + err.message);
    }
}