Give passwords to each user created in support of an ECPG connection
test case. Use SET SESSION AUTHORIZATION, not a fresh connection, to
reduce privileges during a dblink test case.
To test against such a server, both the "make installcheck-world"
environment and the postmaster environment must provide the default
user's password; $PGPASSFILE is the principal way to do so. (The
postmaster environment needs it for dblink and postgres_fdw tests.)
If the remote database's settings of these GUCs are different from ours,
ambiguous datetime values may be read incorrectly. To fix, temporarily
adopt the remote server's settings while we ingest a query result.
This is not a complete fix, since it doesn't do anything about ambiguous
values in commands sent to the remote server; but there seems little we
can do about that end of it given dblink's entirely textual API for
transmitted commands.
Back-patch to 9.2. The hazard exists in all versions, but this patch
would need more work to apply before 9.2. Given the lack of field
complaints about this issue, it doesn't seem worth the effort at present.
Daniel Farina and Tom Lane
The HINTs generated for these error cases vary across builds. We
could try to work around that, but the test cases aren't really useful
enough to justify taking any trouble.
Per buildfarm.
dblink now has its own validator function dblink_fdw_validator(), which is
better than the core function postgresql_fdw_validator() because it gets
the list of legal options from libpq instead of having a hard-wired list.
Make the dblink extension module provide a standard foreign data wrapper
dblink_fdw that encapsulates use of this validator, and recommend use of
that wrapper instead of making up wrappers on the fly.
Unfortunately, because ad-hoc wrappers *were* recommended practice
previously, it's not clear when we can get rid of postgresql_fdw_validator
without causing upgrade problems. But this is a step in the right
direction.
Shigeru Hanada, reviewed by KaiGai Kohei
The DBLINK_GET_CONN and DBLINK_GET_NAMED_CONN macros did not set the
surrounding function's conname variable, causing errors to be incorrectly
reported as having occurred on the "unnamed" connection in some cases.
This bug was actually visible in two cases in the regression tests,
but apparently whoever added those cases wasn't paying attention.
Noted by Kyotaro Horiguchi, though this is different from his proposed
patch.
Back-patch to 8.4; 8.3 does not have the same type of error reporting
so the patch is not relevant.
This isn't fully tested as yet, in particular I'm not sure that the
"foo--unpackaged--1.0.sql" scripts are OK. But it's time to get some
buildfarm cycles on it.
sepgsql is not converted to an extension, mainly because it seems to
require a very nonstandard installation process.
Dimitri Fontaine and Tom Lane
dblink_build_sql_insert() and related functions. Now the column numbers
are treated as logical not physical column numbers. This will provide saner
behavior in the presence of dropped columns; furthermore, if we ever get
around to allowing rearrangement of logical column ordering, the original
definition would become nearly untenable from a usability standpoint.
Per recent discussion of dblink's handling of dropped columns.
Not back-patched for fear of breaking existing applications.
columns correctly. In passing, get rid of some dead logic in the
underlying get_sql_insert() etc functions --- there is no caller that
will pass null value-arrays to them.
Per bug report from Robert Voinea.
dblink_build_sql_insert() and related functions. In particular, be sure to
reject references to dropped and out-of-range column numbers. The numbers
are still interpreted as physical column numbers, though, for backward
compatibility.
This patch replaces Joe's patch of 2010-02-03, which handled only some aspects
of the problem.
exceed the total number of non-dropped source table fields for
dblink_build_sql_*(). Addresses bug report from Rushabh Lathia.
Backpatch all the way to the 7.3 branch.
in the formerly-always-blank columns just to left and right of the data.
Different marking is used for a line break caused by a newline in the data
than for a straight wraparound. A newline break is signaled by a "+" in the
right margin column in ASCII mode, or a carriage return arrow in UNICODE mode.
Wraparound is signaled by a dot in the right margin as well as the following
left margin in ASCII mode, or an ellipsis symbol in the same places in UNICODE
mode. "\pset linestyle old-ascii" is added to make the previous behavior
available if anyone really wants it.
In passing, this commit also cleans up a few regression test files that
had unintended spacing differences from the current actual output.
Roger Leigh, reviewed by Gabrielle Roth and other members of PDXPUG.
Adds the ability to retrieve async notifications using dblink,
via the addition of the function dblink_get_notify(). Original patch
by Marcus Kempe, suggestions by Tom Lane and Alvaro Herrera, patch
review and adjustments by Joe Conway.
pains to pass the ERROR message components locally, including
using the passed SQLSTATE. Also wrap the passed info in an
appropriate CONTEXT message. Addresses complaint by Henry
Combrinck. Joe Conway, with much good advice from Tom Lane.
data. This makes for a significant speedup at the cost that the results
now vary between little-endian and big-endian machines; which forces us
to add explicit ORDER BYs in a couple of regression tests to preserve
machine-independent comparison results. Also, force initdb by bumping
catversion, since the contents of hash indexes will change (at least on
big-endian machines).
Kenneth Marshall and Tom Lane, based on work from Bob Jenkins. This commit
does not adopt Bob's new faster mix() algorithm, however, since we still need
to convince ourselves that that doesn't degrade the quality of the hashing.
failed to cover all the ways in which a connection can be initiated in dblink.
Plug the remaining holes. Also, disallow transient connections in functions
for which that feature makes no sense (because they are only sensible as
part of a sequence of operations on the same connection). Joe Conway
Security: CVE-2007-6601
about best practice for including the module creation scripts: to wit
that you should suppress NOTICE messages. This avoids creating
regression failures by adding or removing comment lines in the module
scripts.
initially be 0. This is needed as a previous ABORT might have wiped out
an automatically opened transaction without maintaining the cursor count.
- Fix regression test expected file for the correct ERROR message, which
we now get given the above bug fix.
if there isn't one already open. Upon dblink_close, only commit
the open transaction if it was started by dblink_open, and only
then when all cursors opened by dblink_open are closed. The transaction
accounting is done individually for all named connections, plus
the persistent unnamed connection.
for testing PLs and contrib_regression for testing contrib, instead of
overwriting the core system's regression database as formerly done.
Andrew Dunstan
and, dblink_fetch -- allows ERROR on remote side of connection to
throw NOTICE locally instead of ERROR. Also removed documentation for
previously deprecated, now removed, functions.
only remnant of this failed experiment is that the server will take
SET AUTOCOMMIT TO ON. Still TODO: provide some client-side autocommit
logic in libpq.
Create objects in public schema.
Make spacing/capitalization consistent.
Remove transaction block use for object creation.
Remove unneeded function GRANTs.
non-standard regression test, and adds standard installcheck regression test
support.
The test creates a second database (regression_slave) and drops it again, in
order to avoid the cheesy-ness of connecting back to the same database ;-)
Joe Conway
