My goal is to select rows that are new or have been modified since a given
snapshot. I am doing it like this:
SELECT * FROM my_table WHERE NOT
txid_visible_in_snapshot(xmin::TEXT::BIGINT,
'123456:123456:'::TXID_SNAPSHOT);
On one hand, it seems to me that the txid_visible_in_snapshot function was
I would like to use the "xmax" column to detect rows that have been
recently deleted. Is it possible to get the deleted row versions with
non-zero xmax to remain visible long enough that I could periodically
check, say once an hour, and still be able to see rows that were deleted
since I last check
>From what I understand about logical decoding, there is no limit to how
many log entries will be retained by the server if nobody reads them from
the logical slot. This means that a client that fails to read from the slot
has the power to bring down the master database because the server's disk
wi
nce to our customers, but their postgres database itself is
absolutely mission critical.
Thanks,
Meel
On Wed, Sep 20, 2017 at 12:43 AM Michael Paquier
wrote:
> On Wed, Sep 20, 2017 at 3:14 PM, Meel Velliste wrote:
> > From what I understand about logical decoding, there is no limit to
