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b06d8e58b5
Commit 6e7baa3227 added support for "B" unit, for specifying config options
in bytes. However, it was only accepted in GUC_UNIT_BYTE settings,
wal_segment_size and track_activity_query_size, and not e.g. in work_mem.
This patch makes it consistent, so that "B" accepted in all the same
contexts where "kB", "MB", and so forth are accepted.
Add "B" to the list of accepted units in the error hint, along with "kB",
"MB", etc.
Add an entry in the conversion table for "TB" to "B" conversion. A terabyte
is out of range for any GUC_UNIT_BYTE option, so you always get an "out of
range" error with that, but without it, you get a confusing error message
that claims that "TB" is not an accepted unit, with a hint that nevertheless
lists "TB" as an accepted unit.
Reviewed-by: Alexander Korotkov, Andres Freund
Discussion: https://www.postgresql.org/message-id/1bfe7f4a-7e22-aa6e-7b37-f4d222ed2d67@iki.fi
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