Bruce Momjian [Tue, 21 Aug 2001 00:42:41 +0000 (00:42 +0000)]
/contrib/pgcrypto:
* remove support for encode() as it is in main tree now
* remove krb5.c
* new 'PX library' architecture
* remove BSD license from my code to let the general
PostgreSQL one to apply
* md5, sha1: ANSIfy, use const where appropriate
* various other formatting and clarity changes
* hmac()
* UN*X-like crypt() - system or internal crypt
* Internal crypt: DES, Extended DES, MD5, Blowfish
crypt-des.c, crypt-md5.c from FreeBSD
crypt-blowfish.c from Solar Designer
* gen_salt() for crypt() - Blowfish, MD5, DES, Extended DES
* encrypt(), decrypt(), encrypt_iv(), decrypt_iv()
* Cipher support in mhash.c, openssl.c
* internal: Blowfish, Rijndael-128 ciphers
* blf.[ch], rijndael.[ch] from OpenBSD
* there will be generated file rijndael-tbl.inc.
Bruce Momjian [Tue, 21 Aug 2001 00:39:20 +0000 (00:39 +0000)]
1. I've now produced an updated version (and called it 0.2) of my XML
parser interface code. It now uses libxml2 instead of expat (though I've
left the old code in the tarball). This means *proper* XPath support, and
the provided function allows you to wrap your result set in XML tags to
produce a new XML document.
Bruce Momjian [Tue, 21 Aug 2001 00:37:23 +0000 (00:37 +0000)]
>
> Shouldn't
>
> throw new PSQLException("metadata unavailable");
>
> in getTypeInfo() be something like:
>
> throw new PSQLException("postgresql.meta.unavailable");
>
> to allow translation of the error message in the
> errors*.properties files?
You're right. Attached is an updated patch that also includes a message
in error.properties. I've attempted a French message in
errors_fr.properties but beware that I haven't written French in quite a
few years. Don't know Italian, German, or Dutch so I can't do those.
Hiroshi Inoue [Sat, 18 Aug 2001 04:30:47 +0000 (04:30 +0000)]
1) Change all internal SQL function calls from
SQLxxxx() to PGAPI_xxxx().
2) Handle an escaped date/time format as a parameter.
3) Improve the tuple allocation a little.
4) The preparation of ODBC 3.0 a little.
5) Updatable cursors(may be deprecated before long).
Bruce Momjian [Fri, 17 Aug 2001 14:46:22 +0000 (14:46 +0000)]
This patch updates some comments in the DatabaseMetaData classes to
reflect a mail thread that discussed our conformance (or lack thereof)
to the SQL92 spec.
Bruce Momjian [Fri, 17 Aug 2001 14:45:49 +0000 (14:45 +0000)]
Thanks for your feedback (and patience). Enclosed is my third
attempt at a patch to 7.1.2 to support Array.
[I think I've solved the mangled patch problem. Hotmail seems to
try to format the text file, so gzipping it should solve this
problem.]
In this patch I've incorporated Barry's feedback. Specifically:
1) OIDs are no longer hard-coded into Array.java. In order to
support this change I added a getOID(String) method to Field.java
which receives a PostgreSQL field type and returns a value from
java.sql.Types. I couldn't get away from using OIDs altogether
because the JDBC spec for Array specifies that some methods return
a ResultSet. This requires I construct Field objects,
which means I need OIDs. At least this approach doesn't hard
code these values. A Hashtable cache has been added to Field
so that an SQL lookup isn't necessary (following the model already
in Field.java).
2) Rewired the base formatting code in ResultSet.java to use 'to'
methods, which are then exposed as static methods in ResultSet.
These methods are used in Array to format the data without
duplications in the code.
3) Artifact call to first() in ResultSet.getArray() removed.
Bruce Momjian [Fri, 17 Aug 2001 13:59:29 +0000 (13:59 +0000)]
Attached is the patch requested by Tom Lane (see below). It
includes two changes in the JDBC driver:
1) When connected to a backend >= 7.2: use obj_description() and
col_description() instead of direct access to pg_description.
2) In DatabaseMetaData.getTables()/getColumns()/getProcedures():
when there is no comment on the object, return null in the
REMARKS column of the ResultSet, instead of the default string
"no remarks".
Change 2 first appeared as a side-effect of change 1, but it is
actually more compliant with the JDBC spec: "String object
containing an explanatory comment on the table/column/procedure,
which may be null". The default string "no remarks" was strictly
speaking incorrect, as it could not be distinguished from a real
user comment "no remarks". So I removed the default string
completely.
Change 2 might break existing code that doesn't follow the JDBC
spec and isn't prepared to handle a null in the REMARKS column
of getTables()/getColumns()/getProcedures.
Patch tested with jdbc2 against both a 7.1 and a CVS tip
backend. I did not have a jdbc1 environment to build and test
with, but since the touched code is identical in jdbc1 and jdbc2
I don't foresee any problems.
Tom Lane [Thu, 16 Aug 2001 20:38:56 +0000 (20:38 +0000)]
Sequences are now based on int8, not int4, arithmetic. SERIAL pseudo-type
has an alias SERIAL4 and a sister SERIAL8. SERIAL8 is just the same
except the created column is type int8 not int4.
initdb forced. Note this also breaks any chance of pg_upgrade from 7.1,
unless we hack up pg_upgrade to drop and recreate sequences. (Which is
not out of the question, but I don't wanna do it.)
Bruce Momjian [Thu, 16 Aug 2001 15:21:16 +0000 (15:21 +0000)]
This patch fixes the well-known but unfixed bug that fetchone() always returns
the first result in the DB-API compliant wrapper. It turned out that the bug
was way down in the C code.
Bruce Momjian [Wed, 15 Aug 2001 18:42:16 +0000 (18:42 +0000)]
Use MD5 for wire protocol encryption for >= 7.2 client/server.
Allow pg_shadow to be MD5 encrypted.
Add ENCRYPTED/UNENCRYPTED option to CREATE/ALTER user.
Add password_encryption postgresql.conf option.
Update wire protocol version to 2.1.
Tom Lane [Tue, 14 Aug 2001 22:21:59 +0000 (22:21 +0000)]
sum() on int2 and int4 columns now uses an int8, not numeric, accumulator
for speed reasons; its result type also changes to int8. avg() on these
datatypes now accumulates the running sum in int8 for speed; but we still
deliver the final result as numeric, so that fractional accuracy is
preserved.
count() now counts and returns in int8, not int4. I am a little nervous
about this possibly breaking users' code, but there didn't seem to be
a strong sentiment for avoiding the problem. If we get complaints during
beta, we can change count back to int4 and add a "count8" aggregate.
For that matter, users can do it for themselves with a simple CREATE
AGGREGATE command; the int4inc function is still present, so no C hacking
is needed.
Also added max() and min() aggregates for OID that do proper unsigned
comparison, instead of piggybacking on int4 aggregates.
Tom Lane [Tue, 14 Aug 2001 17:12:57 +0000 (17:12 +0000)]
Fix brokenness of nested EXCEPT/INTERSECT queries. prepunion was being
a tad sloppy about generating the targetlist for some nodes, by generating
a tlist entry that claimed to be a constant when the value wasn't actually
constant. This caused setrefs.c to do the wrong thing later on.
Peter Eisentraut [Mon, 13 Aug 2001 21:34:54 +0000 (21:34 +0000)]
Make LANCOMPILER clause in CREATE LANGUAGE optional. Allow "identifier"
syntax for language names (instead of 'string').
createlang now handles the case where a second language uses the same call
handler as an already installed language (e.g., plperl/plperlu).
droplang now handles the reverse case, i.e., dropping a language where
the call handler is still used by another language. Moreover, droplang
can now be used to drop any user-defined language, not just the supplied
ones.
Peter Eisentraut [Sun, 12 Aug 2001 19:02:39 +0000 (19:02 +0000)]
Make pg_dump handle the new privileges.
Don't hardcode the maximum accepted server version, use PG_VERSION instead.
Install a notice processor so notices are handled like error messages.
Word smithing.
Tom Lane [Fri, 10 Aug 2001 18:57:42 +0000 (18:57 +0000)]
Make OIDs optional, per discussions in pghackers. WITH OIDS is still the
default, but OIDS are removed from many system catalogs that don't need them.
Some interesting side effects: TOAST pointers are 20 bytes not 32 now;
pg_description has a three-column key instead of one.
Bugs fixed in passing: BINARY cursors work again; pg_class.relhaspkey
has some usefulness; pg_dump dumps comments on indexes, rules, and
triggers in a valid order.
Bruce Momjian [Fri, 10 Aug 2001 14:42:47 +0000 (14:42 +0000)]
The portion about the PQgetssl() function in the libpq documentation
appears to be duplicated (two identical <listitems> right after each
other). Here is a quick patch to remove one instance of it.
Bruce Momjian [Fri, 10 Aug 2001 14:42:07 +0000 (14:42 +0000)]
Attached is a patch to remove some redundant code in the JDBC driver.
* Merges identical code from org.postgresql.jdbc[1|2].Statement into
org.postgresql.Statement.
* Moves escapeSQL() method from Connection to Statement (the only place
it's used)
* Minor cleanup of the new isolation level stuff.
* Minor cleanup of version string handling.
Bruce Momjian [Fri, 10 Aug 2001 14:34:28 +0000 (14:34 +0000)]
1. null-safe interface to GiST
(as proposed in http://fts.postgresql.org/db/mw/msg.html?mid=1028327)
2. support for 'pass-by-value' arguments - to test this
we used special opclass for int4 with values in range [0-2^15]
More testing will be done after resolving problem with
index_formtuple and implementation of B-tree using GiST
3. small patch to contrib modules (seg,cube,rtree_gist,intarray) -
mark functions as 'isstrict' where needed.
Bruce Momjian [Tue, 7 Aug 2001 18:16:01 +0000 (18:16 +0000)]
Sorry - I should have gotten to this sooner. Here's a patch which you should
be able to apply against what you just committed. It rolls soundex into
fuzzystrmatch.
Remove soundex/metaphone and merge into fuzzystrmatch.
Bruce Momjian [Tue, 7 Aug 2001 16:47:43 +0000 (16:47 +0000)]
Per this discussion, here's a patch to implement both levenshtein() and
metaphone() in a contrib. There seem to be a fair number of different
approaches to both of these algorithms. I used the simplest case for
levenshtein which has a cost of 1 for any character insertion, deletion, or
substitution. For metaphone, I adapted the same code from CPAN that the PHP
folks did.
A couple of questions:
1. Does it make sense to fold the soundex contrib together with this one?
2. I was debating trying to add multibyte support to levenshtein (it would
make no sense at all for metaphone), but a quick search through the contrib
directory found no hits on the word MULTIBYTE. Should worry about adding
multibyte support to levenshtein()?
Tom Lane [Mon, 6 Aug 2001 22:55:00 +0000 (22:55 +0000)]
Doesn't seem to be much point in keeping this README up to date anymore,
since it's completely redundant with regress.sgml. I think we agreed to
remove it awhile back, actually, but no one got around to doing it.
Tom Lane [Mon, 6 Aug 2001 18:09:45 +0000 (18:09 +0000)]
Modify partial-index-predicate applicability tester to test whether
clauses are equal(), before trying to match them up using btree opclass
inference rules. This allows it to recognize many simple cases involving
non-btree operations, for example 'x IS NULL'. Clean up code a little.