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5453 Commits

Author SHA1 Message Date
Tom Lane 60b2444cc3 Add code to prevent transaction ID wraparound by enforcing a safe limit 
in GetNewTransactionId().  Since the limit value has to be computed
before we run any real transactions, this requires adding code to database
startup to scan pg_database and determine the oldest datfrozenxid.
This can conveniently be combined with the first stage of an attack on
the problem that the 'flat file' copies of pg_shadow and pg_group are
not properly updated during WAL recovery.  The code I've added to
startup resides in a new file src/backend/utils/init/flatfiles.c, and
it is responsible for rewriting the flat files as well as initializing
the XID wraparound limit value.  This will eventually allow us to get
rid of GetRawDatabaseInfo too, but we'll need an initdb so we can add
a trigger to pg_database.
 2005-02-20 02:22:07 +00:00
Bruce Momjian 2abe40aac7 Fix typo in SGML. 2005-02-19 04:39:52 +00:00
Bruce Momjian eea1ef2c85 Add reference to the NewbieDoc Docbook Guide. 2005-02-19 04:34:17 +00:00
Bruce Momjian 477a64d9c8 Update question text: 
<H4><A name="4.20">4.20</A>) Why do I get "missing oid" errors when
    accessing temporary tables in PL/PgSQL functions?</H4>

Merlin Moncure
 2005-02-15 04:35:37 +00:00
Bruce Momjian a284e174a3 Update Momjain book URL. 2005-02-15 04:03:46 +00:00
Bruce Momjian f58918ecd0 Update URL for Momjian book. 2005-02-15 04:02:25 +00:00
Bruce Momjian bb8fcd6713 Change wording: 
<   The agreed syntax is:
>   The proposed syntax is:
 2005-02-15 03:54:19 +00:00
Bruce Momjian 50263789d6 Add mention of syntax for GRANT ALL: 
>   The agreed syntax is:
> 	GRANT SELECT ON ALL TABLES IN public TO phpuser;
> 	GRANT SELECT ON NEW TABLES IN public TO phpuser;
>
 2005-02-15 03:53:00 +00:00
Bruce Momjian b39ce1ccec Fix typo: 
< 	o Allow COPY FROM ... CVS to interpret newlines and carriage
> 	o Allow COPY FROM ... CSV to interpret newlines and carriage
 2005-02-15 03:17:41 +00:00
Bruce Momjian 43410176a8 Add: 
> * Add xpath_array() to /contrib/xml2 to return results as an array
 2005-02-15 02:27:36 +00:00
Bruce Momjian b25bb4fd44 Add: 
> * Allow the creation of indexes with mixed ascending/descending specifiers
 2005-02-14 19:51:17 +00:00
Neil Conway 73f5c9d90e Minor consistency improvement. 2005-02-14 00:54:26 +00:00
Bruce Momjian f25df821a9 Add: 
> * Make src/port/snprintf.c thread-safe
 2005-02-14 00:03:57 +00:00
Tom Lane c6521b1b93 Write some real documentation about the index access method API. 2005-02-13 03:04:15 +00:00
Bruce Momjian 5e73d4361c Clarify: 
< * Add IP address to pg_stat_activity
> * Add the client IP address to pg_stat_activity
 2005-02-13 00:10:41 +00:00
Bruce Momjian 6370007ce8 Add: 
> * Add IP address to pg_stat_activity
 2005-02-13 00:09:34 +00:00
Bruce Momjian 49c320b19d Update to Russian FAQ, HEAD and 8.0.X. 2005-02-11 04:53:51 +00:00
Bruce Momjian 341251f202 Make clearer warning about using 'now' with DEFAULT: 
SELECT CURRENT_TIMESTAMP;
	SELECT now();
	SELECT TIMESTAMP 'now';  -- incorrect for use with DEFAULT
 2005-02-11 04:31:54 +00:00
Bruce Momjian 056a664fa1 Mention that some psql environment variables come from libpq and note 
more variables can be found in the libpq manual section.

Mention .pgpass in the psql manual page section dealing with connection
parameters and point to the libpq section for more details.

Backpatch to 8.0.X.
 2005-02-11 04:19:05 +00:00
Neil Conway 35878b9bc6 Add some index entries for RAISE and exception handling in PL/PgSQL. Per 
suggestion from Rainer Brandt.
 2005-02-10 06:08:22 +00:00
Neil Conway cf1f6f98f2 Improvements to documentation of shared memory configuration under 
FreeBSD. From Mark Kirkwood, editorializing by Neil Conway.
 2005-02-10 05:14:58 +00:00
Neil Conway 280cae35aa Use now() rather than 'now' in an example in the PL/PgSQL docs. From David 
Fetter and Ben Calvert.
 2005-02-10 05:01:07 +00:00
Bruce Momjian 8f5b4c8c8c Update pginstaller URL to http://www.postgresql.org/ftp/win32/. 
Backpatch to 8.0.X.
 2005-02-10 04:52:31 +00:00
Bruce Momjian 38efdc8bc1 Spacing: 
< *  Allow the PITR process to be debugged and data examined
> * Allow the PITR process to be debugged and data examined
 2005-02-08 03:23:51 +00:00
Bruce Momjian dc95779679 It seems like most people don't want automatic failover so I am removing 
the item:

< 	o Automatic failover
<
< 	  The proper solution to this will probably the use of a master/slave
< 	  replication solution like Sloney and a connection pooling tool like
< 	  pgpool.
<
 2005-02-08 03:21:02 +00:00
Neil Conway c76ff4bc4e Better late than never: document that the GiST API changed in 8.0 in the 
"incompatibilities" section of the release notes.
 2005-02-06 22:31:50 +00:00
Tom Lane e507399790 Document array behavior for out-of-range subscripts. 2005-02-06 20:59:30 +00:00
Neil Conway ad893a361d Minor SGML improvements. 2005-02-03 07:12:37 +00:00
Bruce Momjian b3a7e987a1 Improve wording of to_char() change in 8.1: 
The 8.1 release will remove the <function>to_char()</> function
      for intervals.
 2005-02-02 18:16:13 +00:00
Bruce Momjian f69513df17 Update FAQ numbering. 2005-02-02 17:44:22 +00:00
Bruce Momjian 947ae56d80 Update RESET ALL items: 
<   all temporary tables, removal of any NOTIFYs, etc.  This could be used
<   for connection pooling.  We could also change RESET ALL to have this
<   functionality.
>   all temporary tables, removal of any NOTIFYs, cursors, prepared
>   queries(?), currval()s, etc.  This could be used for connection pooling.
>   We could also change RESET ALL to have this functionality.
 2005-02-02 17:26:49 +00:00
Bruce Momjian cde6056e34 Remove pgsql_tmp directory FAQ item. 2005-02-02 13:41:18 +00:00
Neil Conway 73f630500b Add support for temporary views, including documentation and regression 
tests. Contributed by Koju Iijima, review from Neil Conway, Gavin Sherry
and Tom Lane.

Also, fix error in description of WITH CHECK OPTION clause in the CREATE
VIEW reference page: it should be "CASCADED", not "CASCADE".
 2005-02-02 06:36:02 +00:00
Bruce Momjian 48522fd30d Add Josh's performance page. 2005-02-01 21:11:06 +00:00
Bruce Momjian 68b0e29800 Add FETCH/MOVE: 
< * Change LIMIT/OFFSET to use int8
> * Change LIMIT/OFFSET and FETCH/MOVE to use int8
 2005-02-01 04:56:53 +00:00
Bruce Momjian bb14d8becf Add: 
> * Allow GRANT/REVOKE permissions to be inherited by objects based on
>   schema permissions
 2005-02-01 04:54:43 +00:00
Bruce Momjian 4f63cc6a30 Final FAQ cleanups to remove information about very old releases. 2005-02-01 02:40:50 +00:00
Bruce Momjian 3c16965995 Remove outer join simulation using UNION now that we have had outer 
joins for quite a long time.
 2005-02-01 02:35:48 +00:00
Bruce Momjian 2de7ebe910 Remove FAQ about database terms. 2005-02-01 02:31:59 +00:00
Bruce Momjian 2ccf79a6a1 Remove FAQ mention of DROP column. 2005-02-01 01:41:37 +00:00
Bruce Momjian 25deba3141 Update LIMIT/FETCH FAQ item. 2005-02-01 01:36:13 +00:00
Bruce Momjian 14f5c84589 Update connections FAQ item. 2005-02-01 00:19:15 +00:00
Bruce Momjian 0c86f0e174 Fix markup typo. 2005-01-31 22:59:06 +00:00
Bruce Momjian 1b2ebc591c Update debeug FAQ. 2005-01-31 22:58:00 +00:00
Bruce Momjian d96398d1eb Restructure debug FAQ entry. 2005-01-31 22:57:17 +00:00
Bruce Momjian 1f7aa643b6 Reorganize FAQ entry on performance. 2005-01-31 20:40:46 +00:00
Bruce Momjian 7069a885af Update admin tools FAQ. 2005-01-31 02:45:32 +00:00
Bruce Momjian 2149b54f1c Update PHP mention. 2005-01-31 02:43:11 +00:00
Bruce Momjian cd63e08f86 Remove "Support" FAQ item. We now have a tab on our web site. 2005-01-31 02:40:00 +00:00
Bruce Momjian 18013e25c6 Wording improvement. 2005-01-31 02:19:23 +00:00