On 11.10.23 03:08, Jeff Davis wrote:
* unicode_is_valid(text): returns true if all codepoints are
assigned, false otherwise
We need to be careful about precise terminology. "Valid" has a defined
meaning for Unicode. A byte sequence can be valid or not as UTF-8. But
a string containing u
On 10.10.23 16:02, Robert Haas wrote:
On Tue, Oct 10, 2023 at 2:44 AM Peter Eisentraut wrote:
Can you restate what this is supposed to be for? This thread appears to
have morphed from "let's normalize everything" to "let's check for
unassigned code points", but I'm not sure what we are aiming
Hi,
The parallel apply worker didn't add null termination to the string received
from the leader apply worker via the shared memory queue. This action doesn't
bring bugs as it's binary data but violates the rule established in StringInfo,
which guarantees the presence of a terminating '\0' at the
Hi,
On 10/11/23 5:40 AM, Michael Paquier wrote:
On Wed, Oct 11, 2023 at 08:26:42AM +0900, Michael Paquier wrote:
/* flags for InitPostgres() */
#define INIT_PG_LOAD_SESSION_LIBS 0x0001
#define INIT_PG_OVERRIDE_ALLOW_CONNS 0x0002
+#define INIT_PG_BYPASS_ROLE_LOGIN 0x0004
In 00
On 10.10.23 08:42, Mingyu Li wrote:
We have developed an extension, allowing PostgreSQL to run queries over
encrypted data. This functionality is achieved via user-defined
functions that extend encrypted data types and support commonly used
expression operations. Our tests validated its effecti
On 07.10.23 07:51, Thomas Munro wrote:
Here is an experimental POC of fast/cheap database cloning.
Here are some previous discussions of this:
https://www.postgresql.org/message-id/flat/20131001223108.GG23410%40saarenmaa.fi
https://www.postgresql.org/message-id/flat/511B5D11.4040507%40socials
On Wed, 11 Oct 2023 at 16:26, Andrew Atkinson wrote:
>
> Thank you for the feedback and clarifications Ashutosh. How about this?
>
> "which allows grouping or aggregation on partitioned tables to be performed
> separately for each partition."
This looks good to me. I can take care of this.
Davi
Hi Andres,
On Sat, Oct 7, 2023 at 6:49 AM Andres Freund wrote:
> Hi,
>
> On 2023-09-29 13:57:46 +0900, Amit Langote wrote:
> > Thanks. I will push the attached 0001 shortly.
>
> Sorry for not looking at this earlier.
Thanks for the review. Replying here only to your comments on 0001.
> Have y
On 9/25/23 14:00, Peter Eisentraut wrote:
Looking through the tests in v16-0001:
+-- PK with no columns just WITHOUT OVERLAPS:
+CREATE TABLE temporal_rng (
+ valid_at tsrange,
+ CONSTRAINT temporal_rng_pk PRIMARY KEY (valid_at WITHOUT OVERLAPS)
+);
+ERROR: syntax error at or near "W
On Tue, Oct 10, 2023 at 8:51 PM Peter Geoghegan wrote:
> I don't see any reason to delay committing your fix. The issue that
> you've highlighted is exactly the kind of issue that I anticipated
> might happen at some point. This seems straightforward.
BTW, we don't need to recommend the heapallin
Hi Peter et al,
On 9/1/23 12:56, Paul Jungwirth wrote:
On 9/1/23 11:30, Peter Eisentraut wrote:
I think the WITHOUT OVERLAPS clause should be per-column, so that
something like UNIQUE (a WITHOUT OVERLAPS, b, c WITHOUT OVERLAPS)
would be possible. Then the WITHOUT OVERLAPS clause would directl
On Tue, Oct 10, 2023 at 08:39:29PM -0700, Andres Freund wrote:
> We shouldn't call proc_exit() in a signal handler. We perhaps have a few
> remaining calls left, but we should (and I think in some cases are) working on
> removing those.
Hmm. I don't recall anything remaining, even after a quick c
On Tue, Oct 10, 2023 at 8:29 PM Noah Misch wrote:
> My friend got an amcheck "lacks matching index tuple" failure, and they asked
> me about it. I ran into the assertion failure while reproducing things.
Reminds me of the time that amcheck found a bug in the default btree
opclass for PostGIS's g
On 11/10/2023 02:29, Alena Rybakina wrote:
I have reviewed your patch and I noticed a few things.
Thanks for your efforts,
I have looked at the latest version of the code, I assume that the error
lies in the replace_varno_walker function, especially in the place where
we check the node by ty
For hash partition table, if partition key is IS NULL clause, the
condition in if in get_steps_using_prefix_recurse:
if (cur_keyno < step_lastkeyno - 1)
is not enough.
Like the decode crashed case, explain select * from hp where a = 1 and b is
null and c = 1;
prefix list just has a = 1 clause.
I
On Wed, Oct 11, 2023 at 08:26:42AM +0900, Michael Paquier wrote:
> On Tue, Oct 10, 2023 at 09:12:49AM +0200, Drouvot, Bertrand wrote:
> > On 10/10/23 7:58 AM, Michael Paquier wrote:
> >> I was looking at v8 just before you sent this v9, and still got
> >> annoyed by the extra boolean argument added
On Sun, Oct 08, 2023 at 10:00:03PM -0700, David G. Johnston wrote:
> On Sun, Oct 8, 2023 at 9:10 PM Noah Misch wrote:
> > I didn't think of any phrasing that clearly explained things without the
> > reader consulting the code. I considered these:
I'm leaning toward:
"socket file descriptor ou
Hi,
On 2023-10-10 22:29:34 -0500, Nathan Bossart wrote:
> On Tue, Oct 10, 2023 at 09:54:18PM -0500, Nathan Bossart wrote:
> > On Tue, Oct 10, 2023 at 04:40:28PM -0700, Andres Freund wrote:
> >> I'd make these elog(PANIC), I think. The paths are not performance critical
> >> enough that a single br
On Tue, Oct 10, 2023 at 09:54:18PM -0500, Nathan Bossart wrote:
> On Tue, Oct 10, 2023 at 04:40:28PM -0700, Andres Freund wrote:
>> I'd make these elog(PANIC), I think. The paths are not performance critical
>> enough that a single branch hurts, so the overhead of the check is
>> irrelevant,
>> an
On Tue, Oct 10, 2023 at 08:12:36PM -0700, Peter Geoghegan wrote:
> On Tue, Oct 10, 2023 at 6:33 PM Noah Misch wrote:
> > interval_ops, however, recognizes equal-but-distinguishable values:
>
> > Fails with:
> >
> > 2498151 2023-10-10 05:06:46.177 GMT DEBUG: building index "ti" on table
> > "t
Thank you for the feedback and clarifications Ashutosh. How about this?
"which allows grouping or aggregation on partitioned tables to be performed
separately for each partition."
Attached a v2 patch file with this change.
Here is a gist w/ a partitioned table and 2 partitions, comparing executi
On Tue, Oct 10, 2023 at 6:33 PM Noah Misch wrote:
> interval_ops, however, recognizes equal-but-distinguishable values:
> Fails with:
>
> 2498151 2023-10-10 05:06:46.177 GMT DEBUG: building index "ti" on table
> "t" serially
> 2498151 2023-10-10 05:06:46.178 GMT DEBUG: index "ti" can safel
On Tue, Oct 10, 2023 at 04:40:28PM -0700, Andres Freund wrote:
> On 2023-03-01 14:47:51 -0800, Nathan Bossart wrote:
>> diff --git a/src/backend/storage/lmgr/proc.c
>> b/src/backend/storage/lmgr/proc.c
>> index 22b4278610..b9e2c3aafe 100644
>> --- a/src/backend/storage/lmgr/proc.c
>> +++ b/src/bac
Richard Guo writes:
> On Wed, Oct 11, 2023 at 4:30 AM jinser wrote:
>> I found a typo here while using psql. I think this should be a trivial
>> patch.
>> The typo is that there is an extra `l` before `列出所有事件触发器`.
> +1.
FYI, we have a slightly odd process around this: PG's translated
messages a
On Tue, 10 Oct 2023 at 21:31, Sergei Glukhov wrote:
> create table hp (a int, b text, c int, d int)
>partition by hash (a part_test_int4_ops, b part_test_text_ops, c
> part_test_int4_ops);
> create table hp0 partition of hp for values with (modulus 4, remainder 0);
> create table hp3 partition
Hi,
On 2023-10-11 14:39:12 +1300, Thomas Munro wrote:
> On Wed, Oct 11, 2023 at 12:29 PM Andres Freund wrote:
> > On 2023-10-10 21:30:44 +0200, Matthias van de Meent wrote:
> > > On Tue, 10 Oct 2023 at 06:14, Andres Freund wrote:
> > > > I was thinking we should perhaps do the opposite, namely g
On Wed, Oct 11, 2023 at 1:13 AM Tom Lane wrote:
> I thought this test wasn't too complete, because has_multiple_baserels
> isn't reached at all in many cases thanks to the way the calling if()
> is coded. I tried testing like this instead:
>
> diff --git a/src/backend/optimizer/path/allpaths.c
>
On Wed, Oct 11, 2023 at 4:30 AM jinser wrote:
> Hi,
> I found a typo here while using psql. I think this should be a trivial
> patch.
> The typo is that there is an extra `l` before `列出所有事件触发器`.
+1.
Thanks
Richard
On Wed, Oct 11, 2023 at 12:29 PM Andres Freund wrote:
> On 2023-10-10 21:30:44 +0200, Matthias van de Meent wrote:
> > On Tue, 10 Oct 2023 at 06:14, Andres Freund wrote:
> > > I was thinking we should perhaps do the opposite, namely getting rid of
> > > short
> > > page headers. The overhead in
The btequalimage() header comment says:
* Generic "equalimage" support function.
*
* B-Tree operator classes whose equality function could safely be replaced by
* datum_image_eq() in all cases can use this as their "equalimage" support
* function.
interval_ops, however, recognizes equal-but-
Hi,
On 2023-10-10 17:08:25 -0700, Jeff Davis wrote:
> On Mon, 2023-09-11 at 19:23 -0700, Andres Freund wrote:
> > > So I think injecting --no-locale to the initdb line that creates
> > > the
> > > template is a better approach; something like the attached.
> >
> > Makes sense, thanks for taking c
On Tue, Oct 10, 2023 at 5:10 PM vignesh C wrote:
>
> Few more instances in other logical replication related pages:
> 1) Another instance was in alter_subscription.sgml:
> Fetch missing table information from publisher. This will start
> replication of tables that were added to the su
On Tue, Oct 10, 2023 at 11:33 PM Amit Kapila wrote:
>
> On Tue, Oct 10, 2023 at 11:40 AM vignesh C wrote:
> >
> > On Tue, 10 Oct 2023 at 08:47, Peter Smith wrote:
> > > PSA v3.
> >
> > Few more instances in other logical replication related pages:
> > 1) Another instance was in alter_subscriptio
On Mon, 2023-09-11 at 19:23 -0700, Andres Freund wrote:
> > So I think injecting --no-locale to the initdb line that creates
> > the
> > template is a better approach; something like the attached.
>
> Makes sense, thanks for taking care of this.
After this, it seems "make check" no longer picks u
On 2023-03-01 14:47:51 -0800, Nathan Bossart wrote:
> Subject: [PATCH v10 1/2] Move extra code out of the Pre/PostRestoreCommand()
> block.
LGTM
> From fb6957da01f11b75d1a1966f32b00e2e77c789a0 Mon Sep 17 00:00:00 2001
> From: Nathan Bossart
> Date: Tue, 14 Feb 2023 09:44:53 -0800
> Subject: [P
On Tue, Oct 10, 2023 at 10:51:10AM -0400, Evan Jones wrote:
> Here is a quick demonstration of this issue, showing that the quoting
> behavior is different between these two. Mac OS X with the "default" locale
> includes quotes because ą includes 0x85 in its UTF-8 encoding:
Ugh. rowtypes.c has r
Hi,
On 2023-10-10 21:30:44 +0200, Matthias van de Meent wrote:
> On Tue, 10 Oct 2023 at 06:14, Andres Freund wrote:
> > On 2023-10-09 23:16:30 -0400, Tom Lane wrote:
> >> Andres Freund writes:
> >>> There's an alternative approach we could take, which is to write in 4KB
> >>> increments, while k
On Tue, Oct 10, 2023 at 09:12:49AM +0200, Drouvot, Bertrand wrote:
> On 10/10/23 7:58 AM, Michael Paquier wrote:
>> I was looking at v8 just before you sent this v9, and still got
>> annoyed by the extra boolean argument added to InitPostgres().
>
> Arf, I did not look at it as I had in mind to lo
Hi Ashutosh,
Le ven. 6 oct. 2023 à 14:16, Ashutosh Bapat
a écrit :
> Hi Jean-Christophe,
>
> On Fri, Sep 8, 2023 at 11:30 PM Jean-Christophe Arnu
> wrote:
> >
> > Maybe we could add another condition to the first if statement in order
> to allow a “no-collation” function to be pushed down even
On Wed, Sep 6, 2023 at 1:16 AM Fujii Masao wrote:
> With the v4 patch, I found that timeout errors no longer occur during the
> idle in
> transaction phase. Instead, they occur when the next statement is executed.
> Is this
> the intended behavior? I thought some users might want to use the tran
On 9/28/23 22:30, Michael Paquier wrote:
On Thu, Sep 28, 2023 at 05:14:22PM -0400, David Steele wrote:
Recovery worked perfectly as long as backup_label was present and failed
hard when it was not:
LOG: invalid primary checkpoint record
PANIC: could not locate a valid checkpoint record
It's
Tommy Pavlicek writes:
> I did notice one further potential bug. When creating an operator and
> adding a commutator, PostgreSQL only links the commutator back to the
> operator if the commutator has no commutator of its own, but the
> create operation succeeds regardless of whether this linkage h
Hi,
I found a typo here while using psql. I think this should be a trivial patch.
The typo is that there is an extra `l` before `列出所有事件触发器`.
--
regards,
Jinser Kafak.
0001-Fix-typo-in-psql-zh_CN.po.patch
Description: Binary data
On Thu, Sep 28, 2023 at 9:18 PM Tom Lane wrote:
>
> Tommy Pavlicek writes:
> > I've attached a new version of the ALTER OPERATOR patch that allows
> > no-ops. It should be ready to review now.
>
> I got around to looking through this finally (sorry about the delay).
> I'm mostly on board with the
I committed and backported 0001 (the GenericXLogFinish() fix but not
the Assert).
Strangely I didn't see the -committers email come through yet. If
anyone notices anything wrong, please let me know before the final v11
release.
On Thu, 2023-09-28 at 12:05 -0700, Jeff Davis wrote:
> Also, I ran in
David Rowley writes:
> I've attached a slightly more worked on patch that makes maxlen == 0
> mean read-only. Unsure if a macro is worthwhile there or not.
A few thoughts:
* initStringInfoFromStringWithLen() is kind of a mouthful.
How about "initStringInfoWithBuf", or something like that?
* lo
On 2023-09-13 12:19 a.m., Alvaro Herrera wrote:
On 2023-Sep-13, bt23nguyent wrote:
Hi,
Currently, the psql's tab completion feature does not support properly for
ATTACH PARTITION. When key is typed after "ALTER TABLE
ATTACH PARTITION ", all possible table names should be displayed, however,
Hi, Robert!
Thank you for your feedback.
On Tue, Oct 10, 2023 at 5:51 PM Robert Haas wrote:
>
> On Mon, Oct 9, 2023 at 10:11 AM Alexander Korotkov
> wrote:
> > * Hold lock during setting of pg_database.dathasloginevt flag (v32
> > version actually didn't prevent race condition).
>
> So ... ho
Hi!
Thank you for the review.
On Tue, Oct 10, 2023 at 7:37 PM Andres Freund wrote:
> On 2023-10-10 08:18:46 +0300, Alexander Korotkov wrote:
> > @@ -968,7 +969,7 @@ createdb(ParseState *pstate, const CreatedbStmt *stmt)
> >
> > if (!get_db_info(dbtemplate, ShareLock,
> >
On Tue, 10 Oct 2023 at 06:14, Andres Freund wrote:
>
> Hi,
>
> On 2023-10-09 23:16:30 -0400, Tom Lane wrote:
>> Andres Freund writes:
>>> There's an alternative approach we could take, which is to write in 4KB
>>> increments, while keeping 8KB pages. With the current format that's not
>>> obvious
Hi!
I have reviewed your patch and I noticed a few things.
First of all, I think I found a bug in your latest patch version, and
this query shows it:
EXPLAIN (COSTS OFF)
SELECT c.oid, e.oid FROM pg_class c FULL JOIN (
SELECT e1.oid FROM pg_extension e1, pg_extension e2
WHERE e1.oid=e2.oid
On Fri, Oct 6, 2023 at 06:49:05PM +0200, Laurenz Albe wrote:
> On Fri, 2023-10-06 at 12:20 -0400, Bruce Momjian wrote:
> > Good points, updated patch attached.
>
> That patch is good to go, as far as I am concerned.
Patch applied back to PG 11, thanks.
--
Bruce Momjian https://momji
On Mon, Oct 9, 2023 at 4:47 PM Andres Freund wrote:
> As noted in my email from a few minutes ago, I agree that optimizing this
> shouldn't be a requirement for merging the patch.
Here's a new patch set. I think I've incorporated the performance
fixes that you've suggested so far into this versio
Stefan Stefanov writes:
> Gents, I have a suggestion for DISTINCT ON clause syntax.
>DISTINCT ON (expression(s) [ORDER BY expression(s)])
> Determines the precedence within each DISTINCT ON group (i.e. the ‘first’ row
> to be picked)
> Motivation
> • Using the query-wide ORDER BY clause to
I wrote:
> Also, if you compare that test case to the one immediately following
> it, it's downright weird that we are presently smarter about
> optimizing the more complicated case. (I've not dug into exactly
> why that is; maybe worth running it to ground?)
The reason seems to be that joinrels.
Richard Guo writes:
> On Tue, Oct 10, 2023 at 5:10 PM David Rowley wrote:
>> After making the change, I saw the same regression test change as you
>> did, but didn't really feel like it was worth tackling separately from
>> the patch that we were working on.
> I was thinking that this change may
Gents, I have a suggestion for DISTINCT ON clause syntax.
DISTINCT ON (expression(s) [ORDER BY expression(s)])
Determines the precedence within each DISTINCT ON group (i.e. the ‘first’ row
to be picked)
Motivation
• Using the query-wide ORDER BY clause to determine which record to pick m
Aleksander Alekseev writes:
>> The function has_multiple_baserels() is used in set_subquery_pathlist()
>> to check and see if there are more than 1 base rel, by looping through
>> simple_rel_array[]. I think one simpler way to do that is to leverage
>> root->all_baserels by
>> bms_membership
Hi,
On 2023-10-10 08:18:46 +0300, Alexander Korotkov wrote:
> @@ -968,7 +969,7 @@ createdb(ParseState *pstate, const CreatedbStmt *stmt)
>
> if (!get_db_info(dbtemplate, ShareLock,
>&src_dboid, &src_owner, &src_encoding,
> -
On 2023-Oct-10, Esteban Zimanyi wrote:
> As can be seen above, it is not REALLY mandatory to have
> shared_preload_libraries = 'postgis-3' but then the user is responsible for
> issuing a query to load PostGIS (select st_point(1,1); above) and then she
> is able to execute MobilityDB queries.
Cal
Thanks for bringing this up! I just looked at the uses if isspace() in that
file. It looks like it is the usual thing: it is allowing leading or
trailing whitespace when parsing values, or for this "needs quoting" logic
on output. The fix would be the same: this *should* be
using scanner_isspace. T
On Mon, Oct 9, 2023 at 10:11 AM Alexander Korotkov wrote:
> * Hold lock during setting of pg_database.dathasloginevt flag (v32
> version actually didn't prevent race condition).
So ... how does getting this flag set actually work? And how does
clearing it work?
In the case of row-level security
On Tue, Oct 10, 2023 at 10:30 AM Dave Cramer wrote:
> Correct me if I am wrong, but the client has to request this. So I'm not sure
> how we would be surprised ?
Consider an application, a connection pooler, and a stored procedure
or function on the server. If this is controlled by a GUC, any of
On Mon, Oct 9, 2023 at 5:02 PM Jelte Fennema wrote:
> Honestly I think the main difference is the need to introduce this
> explicit protocol message. If we do, I think it might be best to have
> this be a way of setting a GUC at the Protocol level, and expand the
> GucContext enum to have a way to
On Tue, 10 Oct 2023 at 10:25, Robert Haas wrote:
> On Mon, Oct 9, 2023 at 4:25 PM Jeff Davis wrote:
> > Another thing to consider is that using a GUC for binary formats is a
> > protocol change in a way that client_encoding is not. The existing
> > documentation for the protocol already specifie
On Mon, Oct 9, 2023 at 4:25 PM Jeff Davis wrote:
> Another thing to consider is that using a GUC for binary formats is a
> protocol change in a way that client_encoding is not. The existing
> documentation for the protocol already specifies when binary formats
> will be used, and a GUC would chang
Heikki Linnakangas writes:
> On 10/10/2023 13:31, Bowen Shi wrote:
>> I noticed that in the `check_GUC_init` function, there is a direct
>> comparison using the != operator for two double values, which seems
>> problematic.
> No, the compile-time initial values should match exactly.
Right. The
On Mon, Oct 9, 2023 at 5:07 PM David G. Johnston
wrote:
>> 2. I don't think it's a good idea for the same patch to try to solve
>> two problems unless they are so closely related that solving one
>> without solving the other is not sensible.
>
> A NOT NULL constraint apparently is just a special c
On Tue, Oct 10, 2023 at 2:44 AM Peter Eisentraut wrote:
> Can you restate what this is supposed to be for? This thread appears to
> have morphed from "let's normalize everything" to "let's check for
> unassigned code points", but I'm not sure what we are aiming for now.
Jeff can say what he want
On 2023-10-04 03:00, James Coleman wrote:
and I think
what we need to do is explicitly disallow running this code any time
we are inside of lock acquisition code.
Updated patch to check if any locks have already been acquired by
examining MyProc->heldLocks.
I'm not sure this change can "disa
On Tue, Oct 10, 2023 at 4:51 PM Hayato Kuroda (Fujitsu)
wrote:
>
> >
> > Isn't it sufficient to add a test for silent mode in
> > begin/stream_start/begin_prepare kind of APIs and set
> > ctx->did_process? In all other APIs, we can assert that did_process
> > shouldn't be set and we never reach th
On Tue, Oct 10, 2023 at 11:40 AM vignesh C wrote:
>
> On Tue, 10 Oct 2023 at 08:47, Peter Smith wrote:
> > PSA v3.
>
> Few more instances in other logical replication related pages:
> 1) Another instance was in alter_subscription.sgml:
> Fetch missing table information from publisher. This
On Mon, 9 Oct 2023 at 17:11, Jelte Fennema wrote:
> On Mon, 9 Oct 2023 at 21:08, Dave Cramer wrote:
> > So if we use . would it be possible to have something like
> which represents a set of well known types?
> > My goal here is to reduce the overhead of naming all the types the
> client wants
You're right, I made a mistake.
Thanks for your explanation.
Dear Bharath,
Thanks for giving comments and apologize for late reply.
New version is available in [1].
> +1 for this approach. It looks neat.
>
> I think we also need to add TAP tests to generate decodable WAL
> records (RUNNING_XACT, CHECKPOINT_ONLINE, XLOG_FPI_FOR_HINT,
> XLOG_SWITCH, XLOG_PA
Dear Vignesh,
Thanks for reviewing! You can available new version in [1].
>
> Few comments:
> 1) Should we add binary upgrade check "CHECK_IS_BINARY_UPGRADE" for
> this funcion too:
> +binary_upgrade_create_logical_replication_slot(PG_FUNCTION_ARGS)
> +{
> + Namename = PG_GETA
Dear Amit,
Thank you for reviewing! PSA new version.
> > Internally, I added a new decoding mode - DECODING_MODE_SILENT - and
> used it.
> > If the decoding context is in the mode, the output plugin is not loaded, but
> > any WALs are decoded without skipping.
> >
>
> I think it may be okay not
On Tue, Oct 10, 2023 at 5:43 PM Aleksander Alekseev <
aleksan...@timescale.com> wrote:
> I used the following patch to double check that nothing was missed:
>
> ```
> --- a/src/backend/optimizer/path/allpaths.c
> +++ b/src/backend/optimizer/path/allpaths.c
> @@ -2207,8 +2207,13 @@ has_multiple_bas
On Tue, 10 Oct 2023 at 01:08, Andres Freund wrote:
>
> Hi,
>
> I've mentioned this to a few people before, but forgot to start an actual
> thread. So here we go:
>
> I think we should lower the default wal_blocksize / XLOG_BLCKSZ to 4096, from
> the current 8192.
Seems like a good idea.
> It's I
On 10/10/2023 13:31, Bowen Shi wrote:
Dears,
I noticed that in the `check_GUC_init` function, there is a direct
comparison using the != operator for two double values, which seems
problematic.
I wrote this patch to fix this.
No, the compile-time initial values should match exactly.
--
Heikki
On Tue, 10 Oct 2023 at 12:33, Bowen Shi wrote:
>
> Dears,
>
> I noticed that in the `check_GUC_init` function, there is a direct
> comparison using the != operator for two double values, which seems
> problematic.
I don't think I understand the problem. The code checks that the
dynamic initializa
On 2023-Oct-10, Peter Eisentraut wrote:
> On 09.10.23 17:48, Alvaro Herrera wrote:
> > Hmm, not sure about this. [...]
>
> Would those issues also apply to the other SLRU-based guides on this man
> page? Are they all a bit wrong?
I didn't verify, but I think it's likely that they do and they a
On Tue, Oct 10, 2023 at 5:10 PM David Rowley wrote:
> On Sat, 7 Oct 2023 at 22:44, Richard Guo wrote:
> >
> > In relation_excluded_by_constraints() when we're trying to figure out
> > whether the relation need not be scanned, one of the checks we do is to
> > detect constant-FALSE-or-NULL restri
On Mon, 9 Oct 2023 at 16:20, David Rowley wrote:
>
> On Mon, 9 Oct 2023 at 21:17, David Rowley wrote:
> > Here are some more thoughts on how we could improve this:
> >
> > 1. Adjust the definition of StringInfoData.maxlen to define that -1
> > means the StringInfoData's buffer is externally manag
Dears,
I noticed that in the `check_GUC_init` function, there is a direct
comparison using the != operator for two double values, which seems
problematic.
I wrote this patch to fix this.
--
Regard,
Bowen Shi
v1-0001-Fix-double-value-compare-problem.patch
Description: Binary data
> > Well, as far as I know, RFC discourages extracting timestamps from UUIDs.
> > But we still can have such functions...maybe as an extension?
> Do you know of any reason for that?
I guess some of the detail may have been edited out over time with all of the
changes, but it’s basically this:
h
Hello,
I think this is a very interesting topic, especially for European companies
where data sovereignty in the cloud has become critical.
If I understand correctly, the idea is to split users into 'client users'
who can see data unencrypted, and 'server users', who are administrators
unable to d
Hi,
> MobilityDB
> https://github.com/MobilityDB/MobilityDB
> is a PostgreSQL extension that depends on PosGIS.
>
> Bradford Boyle who has been working on packaging MobilityDB
> https://www.postgresql.org/message-id/capqrbe716d3gpd0jdbafab72elajrppg1luzvobelnbgl3r...@mail.gmail.com
> highlighted t
Hi,
> The function has_multiple_baserels() is used in set_subquery_pathlist()
> to check and see if there are more than 1 base rel, by looping through
> simple_rel_array[]. I think one simpler way to do that is to leverage
> root->all_baserels by
>
> bms_membership(root->all_baserels) == BMS_
Hi,
> >> The 0002 patch, which I'm not proposing to commit at this time, makes
> >> similar changes but in a way that breaks the table and index AM APIs.
> >> So I'm just including that here in case anyone wonders, why didn't you
> >> touch those. And also maybe if we ever change that API incompa
On Sat, 7 Oct 2023 at 22:44, Richard Guo wrote:
>
> In relation_excluded_by_constraints() when we're trying to figure out
> whether the relation need not be scanned, one of the checks we do is to
> detect constant-FALSE-or-NULL restriction clauses. Currently we perform
> this check only when ther
MobilityDB
https://github.com/MobilityDB/MobilityDB
is a PostgreSQL extension that depends on PosGIS.
Bradford Boyle who has been working on packaging MobilityDB
https://www.postgresql.org/message-id/capqrbe716d3gpd0jdbafab72elajrppg1luzvobelnbgl3r...@mail.gmail.com
highlighted the issue of which
On Wed, 27 Sept 2023 at 20:01, David Rowley wrote:
>
> On Sat, 23 Sept 2023 at 03:15, Heikki Linnakangas wrote:
> > So not a win in this case. Could you peek at the outer slot type, and
> > use the same kind of slot for the Unique's result? Or some more
> > complicated logic, like use a virtual s
On Tue, Oct 10, 2023 at 1:45 PM Ashutosh Bapat
wrote:
> On Tue, Oct 10, 2023 at 11:09 AM Richard Guo
> wrote:
> > Hm, I don't think so. get_gating_quals is called in createplan.c, where
> > we've selected the best path, while the optimization with my code
> > happens much earlier, when we set s
Hi David,
On 10/9/23 03:26, David Rowley wrote:
On Sat, 7 Oct 2023 at 03:11, Sergei Glukhov wrote:
I noticed that combination of prepared statement with generic plan and
'IS NULL' clause could lead partition pruning to crash.
Test case:
--
set plan_cache_mode to force_generic_plan;
prepar
The function has_multiple_baserels() is used in set_subquery_pathlist()
to check and see if there are more than 1 base rel, by looping through
simple_rel_array[]. I think one simpler way to do that is to leverage
root->all_baserels by
bms_membership(root->all_baserels) == BMS_MULTIPLE
all_ba
On 09.10.23 11:20, Alvaro Herrera wrote:
I tried this out. I agree it's a good change. BTW, this made me
realize that "unlike" is not a good name: maybe it should be called
"except".
right
I would add quotes to the words "like" and "unlike" there. Otherwise,
these sentences are hard to par
The comment /* not needed for Consts */ may be more better close to if
(!IsA(expr, Const)).
Others look good to me.
David Rowley 于2023年10月9日周一 07:28写道：
> On Sat, 7 Oct 2023 at 03:11, Sergei Glukhov
> wrote:
> > I noticed that combination of prepared statement with generic plan and
> > 'IS NUL
Hi Robert, Hi Tom,
Thanks for the feedback!
On 05.10.23 00:55, Tom Lane wrote:
> Robert Haas writes:
>> You're probably not going to like this answer very much, but this
>> doesn't seem particularly worthwhile to me.
> Yeah, I was unconvinced about the number of use-cases too.
> As you say, some
On Sat, Oct 7, 2023 at 3:46 AM Amit Kapila wrote:
>
> On Fri, Oct 6, 2023 at 6:30 PM Hayato Kuroda (Fujitsu)
> >
> > Based on that, I added another binary function
> > binary_upgrade_create_logical_replication_slot().
> > This function is similar to pg_create_logical_replication_slot(), but the
>
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