Isma'il bin Abi Hakim (may Allah have mercy on him) relates: We were with Umar bin Abd al-Aziz (may Allah have mercy on him) on the day of Eid al-Fitr, and he set dates before us and said: "Eat before you set out for the prayer ground." We asked him: Do you have anything (a hadith) about this? He said: "Yes. Ibrahim bin Abdullah bin Qariz (may Allah have mercy on him) narrated to me from Sayyiduna Abu Sa'id al-Khudri (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) used to eat something on the day of Eid al-Fitr before going out to the prayer ground, and he used to order the people to do the same."
This hadith is not narrated from Umar bin Abd al-Aziz (may Allah have mercy on him) except with this chain; al-Waqidi (may Allah have mercy on him) is alone in narrating it.
Hadith Referenceالمعجم الأوسط / باب العين / 4502
Hadith Gradingمحدثین:إسناده ضعيف، فيه الواقدي
Hadith Takhrij«قال الهيثمي: في إسناد الطبراني الواقدي وفيه كلام كثير «مجمع الزوائد ومنبع الفوائد، ج 2، ص 199»» «أخرجه ابن خزيمة فى «صحيحه» برقم: 1469، وأحمد فى «مسنده» برقم: 11396، 11531، وأبو يعلى فى «مسنده» برقم: 1347، وابن حجر فى «المطالب العالية» برقم: 760، وابن أبي شيبة فى «مصنفه» برقم: 5648»