How about
#define is_true(tf) ((uintptr_t)0 != (uintptr_t)(tf))
-Ursprüngliche Nachricht-
Von: sqlite-users [mailto:sqlite-users-boun...@mailinglists.sqlite.org] Im
Auftrag von Don V Nielsen
Gesendet: Dienstag, 13. August 2019 22:42
An: SQLite mailing list
Betreff: [EXTERNAL] Re: [sqlit
But surely any compiler worth ist salt would optimize away all of that code and
just use the result of the expression given as argument in the call ;)
-Ursprüngliche Nachricht-
Von: sqlite-users [mailto:sqlite-users-boun...@mailinglists.sqlite.org] Im
Auftrag von James K. Lowden
Gesendet
OK now I see. I think this is a major bug in the code generator because it
breaks documented behaviour.
In lines 8 to 12, SQlite is building records for an ephemeral "to do" table.
Line 8: retrieve the value of the primary key with OPFLAG_NOCHNG set and store
result in R6
Line 9: store the repl
On Mon, Aug 12, 2019 at 6:54 AM Tim Streater wrote:
> On 12 Aug 2019, at 14:30, J Decker wrote:
>
> > On Mon, Aug 12, 2019 at 5:42 AM Simon Slavin
> wrote:
> >
> >> On 12 Aug 2019, at 1:27pm, Tim Streater wrote:
> >>
> >> > I don't expect to do that with SQL. My "seconds since the epoch" is
>
On Aug 13, 2019, at 3:11 PM, Jose Isaias Cabrera wrote:
>
> Somewhere in my basement exists a book called, "The C Programming Language.”
It’s worth a re-read, even if you no longer use C. You will certainly find
insights that affect however you *do* program these days.
The last time I dipped
On Tuesday, 13 August, 2019 15:59, Manuel Rigger
wrote:
>Is there a simple way to determine the collating function of a
>column?
Presently, there is not.
>PRAGMA table_info does not seem to provide this information. The
>information could be extracted from sqlite_master, which contains the
>S
On August 13, 2019 5:58:54 p.m. EDT, Manuel Rigger
wrote:
>Hi everyone,
>
>Is there a simple way to determine the collating function of a column?
>PRAGMA table_info does not seem to provide this information. The
>information could be extracted from sqlite_master, which contains the
>SQL statement
Hi everyone,
Is there a simple way to determine the collating function of a column?
PRAGMA table_info does not seem to provide this information. The
information could be extracted from sqlite_master, which contains the
SQL statements used to create the table or view. While parsing the SQL
string i
If the datr/time is stored internally as utc iso8601 text then it will
remain compatible with old versions and can implement whatever new behavior
is needed on new versions. The bigger question is 'what new behavior'? The
only nee behavior seems to be 'let this third party package see it as a
date'
Richard Hipp, on Tuesday, August 13, 2019 04:47 PM, wrote...
>
> On 8/13/19, Jose Isaias Cabrera, on
> >
> > I see all of you smart programmers using this
> > non-column matching behavior, and I ask myself why?
>
> Because that's the way Dennis Richie did it. :-)
Somewhere in my basement exists a
On 8/13/19, Jose Isaias Cabrera wrote:
>
> I see all of you smart programmers using this
> non-column matching behavior, and I ask myself why?
Because that's the way Dennis Richie did it. :-)
--
D. Richard Hipp
d...@sqlite.org
___
sqlite-users mailing
On 13 Aug 2019, at 9:42pm, Don V Nielsen wrote:
> bool is_true (bool tf)
> {
>if (tf == true) return true; else return false;
> }
Do you get paid by the line of code ?
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If I were to have coded that junk (and I do see it too many times to
count), I would have coded it even junkier, as in
bool is_true (bool tf)
{
if (tf == true) return true; else return false;
}
If it's single statement following an if and that statement isn't beyond 80
characters, I will code
On Tuesday, 13 August, 2019 13:17, Jose Isaias Cabrera
wrote:
>James K. Lowden, on Tuesday, August 13, 2019 12:31 PM, wrote...
>> On Mon, 12 Aug 2019 14:14:08 -0600 "Keith Medcalf", on
>>> Perhaps I am just lazy but I see no point in engaging in extra
>>> work for no advantage
>> bool
>> is_
On Aug 13, 2019, at 1:16 PM, Jose Isaias Cabrera wrote:
>
> I see all of you smart programmers using this non-column matching behavior,
> and I ask myself why? Thoughts? Or not. :-)
It started in the days of real terminals, where the extra line was one of the
24-ish you got on a glass tty or
James K. Lowden, on Tuesday, August 13, 2019 12:31 PM, wrote...
>
> On Mon, 12 Aug 2019 14:14:08 -0600
> "Keith Medcalf", on
>
> > Perhaps I am just lazy but I see no point in engaging in extra work
> > for no advantage
>
> bool
> is_true (bool tf) {
> if (tf == true) {
> r
On Mon, 12 Aug 2019 14:14:08 -0600
"Keith Medcalf" wrote:
> Perhaps I am just lazy but I see no point in engaging in extra work
> for no advantage
bool
is_true (bool tf) {
if (tf == true) {
return true;
}
return false;
}
--jkl
__
> On 13 Aug 2019, at 14:08, Richard Hipp wrote:
>
> I think that is correct.
>
Great, thanks.
> But it never occurred to me that somebody might do this on the PRIMARY
> KEY. I don't see any reason why it wouldn't work, though.
I have a c++ interface built on top of the virtual table api whi
On Tuesday, 13 August, 2019 03:44, test user
wrote:
>On this page:
>https://www.sqlite.org/asyncvfs.html
>Quote: The use of WAL mode largely obviates the need for this
>asynchronous
>I/O module.
>The WAL mode does not change the fact that these operations will
>still
>block the application pr
Clinton James, on Friday, August 9, 2019 04:33 PM, wrote...
>
> You are right, it is the wrong behavior though the command is perfectly valid.
> My first example shows the current problem, sqlite3.exe does not bring me
> into an
> interactive shell. I am trying to get the correct behavior while
There are similar stories from many years back about someone that got the
vanity plate “MISSING”.
-j
> On Aug 12, 2019, at 12:09 PM, Simon Slavin wrote:
>
> Some interesting things are emerging from this year's DEF CON. This one is
> related to an issue we've often discussed here. I hope
On 8/10/19, Kevin Martin wrote:
> Hi,
>
> I have a without rowid virtual table with an implementation of xColumn that
> begins with
>
> if(sqlite3_vtab_nochange(ctx)) return SQLITE_OK;
>
> If I try to perform an update on this table that doesn't involve a primary
> key change, then my understandin
Very strange and AFAICT not documented. I would not have though that calling
sqlite3_value_nochange on argv[1] was even legal, given that it would
correspond to field number -1. Could you provide an "explain" (SQlite bytecode
program dump) of your statement?
-Ursprüngliche Nachricht-
Vo
> On 12 Aug 2019, at 07:53, Hick Gunter wrote:
>
> You did not state your argc and argv[0] values,
Apologies, it is a 2 column table. Full details are:
- argc is 4
- argv[0] is the value of the primary key for the row I want to update.
- argv[1] is SQLITE_NULL, but as described, sqlite3_value_
I don't think so.
Async IO module creates a queue of pages that will be written to the database
file on disk according to available IO bandwidth.
WAL mode creats a queue of pages from committed transactions that are written
to the database file on disk according to available IO bandwidth.
Both
> > > This is what I would call "forward compatibility": You expect an old
> > application
> > > to be able to read file formats of a future version. Do you have an
> > example
> > > where there is really required?
> >
> > I have an Android app that lets you share the database between users. The
>
Hello,
On this page:
https://www.sqlite.org/asyncvfs.html
Quote: The use of WAL mode largely obviates the need for this asynchronous
I/O module.
The WAL mode does not change the fact that these operations will still
block the application process that embeds SQLite:
- Slow read queries.
-
On Tue, Aug 13, 2019 at 10:58 AM Ling, Andy
wrote:
> > This is what I would call "forward compatibility": You expect an old
> application
> > to be able to read file formats of a future version. Do you have an
> example
> > where there is really required?
>
> I have an Android app that lets you s
> This is what I would call "forward compatibility": You expect an old
> application
> to be able to read file formats of a future version. Do you have an example
> where there is really required?
I have an Android app that lets you share the database between users. The
app will run on a variety
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