get record count of form datasource
modified class : SysQuery
public client server static Integer countTotal(QueryRun _queryRun,int num = 1)//add datasource num
{
container c = SysQuery::countPrim(_queryRun.pack(false),num);
return conpeek(c,1);
}
private server static container countPrim(container _queryPack,int num = 1)//add datasource num
{
Query countQuery;
QueryRun countQueryRun;
QueryBuildDataSource qbds;
QueryBuildFieldList qbfl;
Common common;
Integer counter;
Integer loops;
;
countQueryRun = new QueryRun(_queryPack);
countQuery = countQueryRun.query();
qbds = countQuery.dataSourceNo(num);//put datasource num
qbds.update(false);
qbds.sortClear();
qbfl = qbds.fields();
qbfl.dynamic(false);
qbfl.clearFieldList();
//if (countQuery.dataSourceCount() == 1) //remark this
qbds.addSelectionField(fieldnum(Common,RecId),SelectionField::Count);
countQueryRun = new QueryRun(countQuery);
while (countQueryRun.next())
{
common = countQueryRun.get(countQuery.dataSourceNo(num).table());//put datasource num
counter += common.RecId;
loops++;
}
return [counter,loops];
}
usage:
Query query;
QueryRun queryRun;
;
query =new query();
query.addDataSource(tablenum(CustTable)).addRange(fieldnum(CustTable,AccountNum)).value(queryRange('000001','000008'));
queryRun = new QueryRun(query);
info(strfmt('%1',SysQuery::countTotal(queryRun)));
posted on 2011-02-24 11:36 lingdanglfw 阅读(297) 评论(0) 编辑 收藏 举报
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