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how to read all physical rows (visible or not) from a heap

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Subject: how to read all physical rows (visible or not) from a heap
From: Qingqing Zhou <zhouqq.postgres@xxxxxxxxx>
Date: Thu, 30 Apr 2015 11:14:34 -0700

I recall once there is a GUC allowing us - basically force a
SnapshotAny - what's current trick now? I need this only for debugging
reading heap pages.

Thanks,
Qingqing


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