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Mention change of width of values generated by SERIAL sequences

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This changed during pg10 development, but had not been documented.

Co-authored-by: Jonathan S. Katz <jkatz@postgresql.org>
Discussion: https://postgr.es/m/20180828163408.vl44nwetdybwffyk@alvherre.pgsql
This commit is contained in:
Alvaro Herrera 2018-08-30 05:39:56 -03:00
parent 89f562ae10
commit 8af2a68068
1 changed files with 7 additions and 0 deletions
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doc/src/sgml/release-10.sgml
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@ -4716,6 +4716,13 @@ Branch: REL_10_STABLE [5159626af] 2017-11-03 14:14:16 -0400
more compatible with existing code. more compatible with existing code.
</para> </para>
<para>
Also, sequences created for <literal>SERIAL</literal> columns now generate
positive 32-bit wide values, whereas previous versions generated 64-bit
wide values. This has no visible effect if the values are only stored in
a column.
</para>
<para> <para>
The output of <application>psql</application>'s <command>\d</command> command for a The output of <application>psql</application>'s <command>\d</command> command for a
sequence has been redesigned, too. sequence has been redesigned, too.