Friday Sep 05, 2014

ORA-01722 error if reference PPM ‘Created From Template’ in IQuery Where clause

There is one issue in Agile SDK API that if "General Info.Created From Template" of PPM is referenced in IQuery‘s WHERE clause, SDK client program will show "ORA-01722: invalid number" error. A BUG 19064118 is filed this week. This article describes why it happens and how to work around it.[Read More]

Thursday May 23, 2013

Poorer performance of IQuery in 9.3.0.3 than 9.3.0.1

Recently we got several customers' report that the IQuery API in client SDK program has poorer performance in Agile 9.3.0.3 than 9.3.0.1. If to monitor SDK client program's memory heap usage we will see much more heap is used in 9.3.0.3 and Wireshark monitor shows more data packages are received from Agile Server. This article will bring us close to the essence of the problem and see the different behavior between 9.3.0.3 and 9.3.0.1.[Read More]

Friday May 03, 2013

Background execution of IQuery API in Agile SDK

I have been asked by customers and partners about one same puzzle that why IQuery.execute() runs extremely fast, while the first time execution of Iterator.hasNext() runs very slow。To answer and summarize the background technology of IQuery, let's analyze it detailedly.[Read More]
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