tighten foreign-key check (a self-reference should not prevent TRUNCATE),
improve error message, cause a relation's TOAST table to be truncated
along with the relation.
>>" It's also possible to select no escape character by writing ESCAPE ''.
>>In this case there is no way to turn off the special meaning of
>>underscore and percent signs in the pattern."
Joe Conway
for repeat(). Again, somewhat off-the-cuff, so I might have missed
something...
test=# select lpad('xxxxx',1431655765,'yyyyyyyyyyyyyyyy');
ERROR: Requested length too large
test=# select rpad('xxxxx',1431655765,'yyyyyyyyyyyyyyyy');
ERROR: Requested length too large
(That's on a Unicode DB, haven't tested other encodings but AFAICT
this fix should still work.)
Neil Conway
> Neil Conway <neilc@samurai.com> writes:
> > + /* Check for integer overflow */
> > + if (tlen / slen != count)
> > + elog(ERROR, "Requested buffer is too large.");
>
> What about slen == 0?
Good point -- that wouldn't cause incorrect results or a security
problem, but it would reject input that we should really accept.
Revised patch is attached.
Neil Conway
constraints
The issue with finding and removing foreign key constraints is no longer
an issue, so please apply the attached.
It does NOT check for rules or on delete triggers (old style foreign
keys) as those are difficult to deal with (remove, truncate, re-add).
Rod Taylor
bytealike to TEXT.
This leaves like_escape_bytea() without anything to do, but I left it in
place in anticipation of the eventual bytea pattern selectivity
functions. If there is agreement that this would be the best long term
solution, I'll take it as a TODO for 7.4.
Joe Conway
replace(string, from, to)
-- replaces all occurrences of "from" in "string" to "to"
split(string, fldsep, column)
-- splits "string" on "fldsep" and returns "column" number piece
to_hex(int32_num) & to_hex(int64_num)
-- takes integer number and returns as hex string
Joe Conway
from the core repository ... I haven't *moved* the libpq++ files out of the
tree, mainly as we want to keep them in place for past branches ...
Peter, I think I've covered all the files I need, and re-ran autoconf to make
sure the configure file is in place properly ...
with OPAQUE, as per recent pghackers discussion. I still want to do some
more work on the 'cstring' pseudo-type, but I'm going to commit the bulk
of the changes now before the tree starts shifting under me ...
FOUND is set whenever a SELECT INTO returns > 0 rows, *or* when an
INSERT, UPDATE, or DELETE affects > 0 rows. We implemented the first
part of this behavior, but not the second.
I also improved the documentation on the various situations in which
FOUND can be set (excluding inside FOR loops, which I still need to
think about), and added some regression tests for this behavior.
Neil Conway
> Quick system function to pull out the current database.
>
> I've used this a number of times to allow stored procedures to find out
> where they are. Especially useful for those that do logging or hit a
> remote server.
>
> It's called current_database() to match with current_user().
It's also a necessity for an informational schema. The catalog
(database) name is required in a number of places.
Rod Taylor
for the last two releases.
Modified Files:
jdbc/org/postgresql/Driver.java.in
jdbc/org/postgresql/PG_Stream.java
Removed Files:
jdbc/org/postgresql/core/BytePoolDim1.java
jdbc/org/postgresql/core/BytePoolDim2.java
jdbc/org/postgresql/core/MemoryPool.java
jdbc/org/postgresql/core/ObjectPool.java
jdbc/org/postgresql/core/SimpleObjectPool.java
latent wrong-struct-type bugs and makes the coding style more uniform,
since the majority of places working with lists of column names were
already using Strings not Idents. While at it, remove vestigial
support for Stream node type, and otherwise-unreferenced nodes.h entries
for T_TupleCount and T_BaseNode.
NB: full recompile is recommended due to changes of Node type numbers.
This shouldn't force an initdb though.
