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Author SHA1 Message Date
John Naylor
4d93bbd4e0 Document limit on the number of out-of-line values per table 
Document the hard limit stemming from the size of an OID, and also
mention the perfomance impact that occurs before the hard limit
is reached.

Jakub Wartak and Robert Haas
Backpatch to all supported versions

Discussion: https://postgr.es/m/CAKZiRmwWhp2yxjqJLwbBjHdfbJBcUmmKMNAZyBjjtpgM9AMatQ%40mail.gmail.com
 2024-08-20 13:36:33 +07:00
Bruce Momjian
4a6286fd93 doc: add function argument and query parameter limits 
Also reorder entries and add commas.

Reported-by: David G. Johnston

Discussion: https://postgr.es/m/CAKFQuwYeNPxeocV3_0+Zx=_Xwvg+sNyEMdzyG5s2E2e0hZLQhg@mail.gmail.com

Author: David G. Johnston (partial)

Backpatch-through: 12
 2023-10-31 09:23:09 -04:00
David Rowley
bbb6489042 Doc: mention limitation of the number of resultset columns 
The PostgreSQL limitations section of the documents mentioned the limit
on the number of columns that can exist in a table.  Users might be
surprised to find that there's also a limit on the number of columns that
can exist in a targetlist.  Users may experience restrictions which
surprise them if they happened to select a large number of columns from
several tables with many columns.  Here we document that there is a
limitation on this and mention what that limit actually is.

Wording proposal by Alvaro Herrera

Reported-by: Vladimir Sitnikov
Author: Dave Crammer
Reviewed-by: Tom Lane
Discussion: https://postgr.es/m/CAB=Je-E18aTYpNqje4mT0iEADpeGLSzwUvo3H9kRRuDdsNo4aQ@mail.gmail.com
Backpatch-through: 12, where the limitations section was added
 2022-06-01 12:44:45 +12:00
Peter Eisentraut
8e929a4667 doc: Clean up title case use 
Note: Following existing practice, titles of formalpara and step are
not titlecased.
 2019-09-08 10:27:29 +02:00
Peter Eisentraut
68120427f4 doc: Add appendix detailing some limits of PostgreSQL 
This used to be on the web site but was removed.  The documentation is
a better place for it anyway.

Author: David Rowley <david.rowley@2ndquadrant.com>
Reviewed-by: John Naylor <jcnaylor@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/CAKJS1f_dKdejdKB94nKZC9S5NzB-UZRcAKkE84e=JEEecDuotg@mail.gmail.com/
 2018-11-29 14:01:11 +01:00