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In pg_dump, dump SEQUENCE SET items in the data not pre-data section.

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Represent a sequence's current value as a separate TableDataInfo dumpable
object, so that it can be dumped within the data section of the archive
rather than in pre-data.  This fixes an undesirable inconsistency between
the meanings of "--data-only" and "--section=data", and also fixes dumping
of sequences that are marked as extension configuration tables, as per a
report from Marko Kreen back in July.  The main cost is that we do one more
SQL query per sequence, but that's probably not very meaningful in most
databases.

Back-patch to 9.1, since it has the extension configuration issue even
though not the --section switch.
This commit is contained in:
Tom Lane
2012-10-26 12:12:48 -04:00
parent 1dec7c7c6c
commit 725fa25e20
2 changed files with 176 additions and 163 deletions
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8
doc/src/sgml/ref/pg_dump.sgml
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@ -739,11 +739,11 @@ PostgreSQL documentation
sections. The default is to dump all sections.
</para>
<para>
The data section contains actual table data as well as large-object
definitions.
Post-data items consist of definitions of indexes, triggers, rules
The data section contains actual table data, large-object
contents, and sequence values.
Post-data items include definitions of indexes, triggers, rules,
and constraints other than validated check constraints.
Pre-data items consist of all other data definition items.
Pre-data items include all other data definition items.
</para>
</listitem>
</varlistentry>