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Fix some comments referring to past features

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Timestamp can only be an int64 since b9d092c, and support for WITH OIDS
has been removed as of 578b229.

Author: Justin Pryzby
Discussion: https://postgr.es/m/20200612023709.GC14879@telsasoft.com
This commit is contained in:
Michael Paquier
2020-06-15 21:18:14 +09:00
parent 3baa7e38d5
commit 7a3543c2ea
3 changed files with 9 additions and 13 deletions
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4
src/backend/utils/adt/selfuncs.c
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@ -4018,8 +4018,8 @@ estimate_multivariate_ndistinct(PlannerInfo *root, RelOptInfo *rel,
* to be treated separately.
*
* The several datatypes representing absolute times are all converted
* to Timestamp, which is actually a double, and then we just use that
* double value. Note this will give correct results even for the "special"
* to Timestamp, which is actually an int64, and then we promote that to
* a double. Note this will give correct results even for the "special"
* values of Timestamp, since those are chosen to compare correctly;
* see timestamp_cmp.
*