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and PUBLIC EXECUTE, respectively. Per discussion about easing updates
from prior versions.
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document that scheme.
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editing.
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The error message said so :-)
In 25.3. Using PL/Python
If the trigger "when" is BEFORE, you may return None or "OK"
from the Python function to indicate the tuple is unmodified, "SKIP"
to abort the event, or "MODIFIED" to indicate you've modified the tuple.
should read
If the trigger "when" is BEFORE, you may return None or "OK"
from the Python function to indicate the tuple is unmodified, "SKIP"
to abort the event, or "MODIFY" to indicate you've modified the tuple.
elein
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columns, to allow more correct behavior in multiple-inheritance cases.
Patch by Alvaro Herrera, review by Tom Lane.
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the SQL99 standard. (I'm not sure that the character-class features are
quite right, but that can be fixed later.) Document SQL99 and POSIX
regexps as being different features; provide variants of SUBSTRING for
each.
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with OPAQUE. CREATE LANGUAGE, CREATE TRIGGER, and CREATE TYPE will all
accept references to functions declared with OPAQUE --- but they will
issue a NOTICE, and will modify the function entries in pg_proc to have
the preferred type-safe argument or result types instead of OPAQUE.
Per recent pghackers discussions.
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Rod Taylor
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pointed out by Chris KL on -hackers a little while ago -- NOT NULL !=
CHECK xxx IS NOT NULL.
Neil Conway
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to be flexible about assignment casts without introducing ambiguity in
operator/function resolution. Introduce a well-defined promotion hierarchy
for numeric datatypes (int2->int4->int8->numeric->float4->float8).
Change make_const to initially label numeric literals as int4, int8, or
numeric (never float8 anymore).
Explicitly mark Func and RelabelType nodes to indicate whether they came
from a function call, explicit cast, or implicit cast; use this to do
reverse-listing more accurately and without so many heuristics.
Explicit casts to char, varchar, bit, varbit will truncate or pad without
raising an error (the pre-7.2 behavior), while assigning to a column without
any explicit cast will still raise an error for wrong-length data like 7.3.
This more nearly follows the SQL spec than 7.2 behavior (we should be
reporting a 'completion condition' in the explicit-cast cases, but we have
no mechanism for that, so just do silent truncation).
Fix some problems with enforcement of typmod for array elements;
it didn't work at all in 'UPDATE ... SET array[n] = foo', for example.
Provide a generalized array_length_coerce() function to replace the
specialized per-array-type functions that used to be needed (and were
missing for NUMERIC as well as all the datetime types).
Add missing conversions int8<->float4, text<->numeric, oid<->int8.
initdb forced.
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Also, some editing in PL/Perl and PL/Python chapters.
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inline documentation to the main docs.
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material into the new location.
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> Hannu Krosing wrote:
>
>> It seems that my last mail on this did not get through to the list
>> ;(
>>
>> Please consider renaming the new builtin function
>> split(text,text,int)
>>
>> to something else, perhaps
>>
>> split_part(text,text,int)
>>
>> (like date_part)
>>
>> The reason for this request is that 3 most popular scripting
>> languages (perl, python, php) all have also a function with similar
>> signature, but returning an array instead of single element and the
>> (optional) third argument is limit (maximum number of splits to
>> perform)
>>
>> I think that it would be good to have similar function in (some
>> future release of) postgres, but if we now let in a function with
>> same name and arguments but returning a single string instead an
>> array of them, then we will need to invent a new and not so easy to
>> recognise name for the "real" split function.
>>
>
> This is a good point, and I'm not opposed to changing the name, but
> it is too bad your original email didn't get through before beta1 was
> rolled. The change would now require an initdb, which I know we were
> trying to avoid once beta started (although we could change it
> without *requiring* an initdb I suppose).
>
> I guess if we do end up needing an initdb for other reasons, we
> should make this change too. Any other opinions? Is split_part an
> acceptable name?
>
> Also, if we add a todo to produce a "real" split function that
> returns an array, similar to those languages, I'll take it for 7.4.
No one commented on the choice of name, so the attached patch changes
the name of split(text,text,int) to split_part(text,text,int) per
Hannu's recommendation above. This can be applied without an initdb if
current beta testers are advised to run:
update pg_proc set proname = 'split_part' where proname = 'split';
in the case they want to use this function. Regression and doc fix is
also included in the patch.
Joe Conway
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Bruno Wolff III
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NAMEDATALEN of 64.
Kris Jurka
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option down to pg_dump, where it's useless, and clarify the meaning of -c
in the documentation.
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does not create members larger than allowed by the tar format. Also, fix
the generation of the tar header to conform to POSIX.
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Cleanup up memory allocation for $HOME in related psql places.
Update mention of $HOME/.pgpass in the docs; add mention in pg_dumpall.
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creation to world, but disallow temp table creation in template1. Per
latest round of pghackers discussion.
I did not force initdb, but the permissions lockdown on template1 will
not take effect unless you do one (or manually REVOKE TEMP ON DATABASE template1 FROM public).
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Gerhard Hintermayer, revised and documented by Tom Lane.
This patch also fixes a 'must fix' bug: libpgtcl's LISTEN/NOTIFY
support was broken by the recent changes to the PGnotify structure.
Guess that change wasn't quite so safe as we thought.
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more flexible, and improve the error reporting. Also, add documentation
for REPLACE RULE/VIEW.
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not synonymous with CHECK (xxx IS NOT NULL) -- for example, consider
ALTER TABLE ADD PRIMARY KEY, which checks for 'NOT NULL', not a check
constraint.
Neil Conway
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already fixed by You. However there were a few left and attached patch
should fix the rest of them.
I used StringInfo only in 2 places and both of them are inside debug
ifdefs. Only performance penalty will come from using strlen() like all
the other code does.
I also modified some of the already patched parts by changing
snprintf(buf, 2 * BUFSIZE, ... style lines to
snprintf(buf, sizeof(buf), ... where buf is an array.
Jukka Holappa
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replace, split, and to_hex. The patch also moves encode and decode into
alphabetical order (since everything else in the table was).
Joe Conway
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