SELECT LOAD_EXTENSION('regexp');
assuming that the regexp dynamic library is located where it can be found.
>-Original Message-
>From: sqlite-users On
>Behalf Of Peng Yu
>Sent: Thursday, 19 September, 2019 20:20
>To: SQLite mailing list
>Subject: Re: [sqlite] How to install REGEXP
My question is `But it is not clear how to install it for sqlite3 installed by
homebrew.`
On 9/19/19, Warren Young wrote:
> On Sep 18, 2019, at 8:33 AM, Peng Yu wrote:
>>
>> But I don't want to always specify a full path. I am asking where is
>> the standard place to put the library file so
On Sep 18, 2019, at 8:33 AM, Peng Yu wrote:
>
> But I don't want to always specify a full path. I am asking where is
> the standard place to put the library file so that I don't have to
> always specify the whole path.
You’re verging into “How do I program my computer?” or even “How do I use my
-Ursprüngliche Nachricht-
Von: sqlite-users [mailto:sqlite-users-boun...@mailinglists.sqlite.org] Im
Auftrag von Fredrik Larsen
Gesendet: Donnerstag, 19. September 2019 17:29
An: SQLite mailing list
Betreff: Re: [sqlite] [EXTERNAL] Group-by and order-by-desc does not work as
expected
Simen; ANALYZE and PRAGMA reverse_unordered_selects = YES does not affect
results.
Hick; ORDER BY x DESC >is< covered by index. Btree-indexes allows traversal
both ways. You can see this if you remove GROUP_BY.
Got an answer on StackOverflow that seems to be from somebody that knows
internal
An ORDER BY clause will omit sorting only if the visitation order exactly
fulfills the clause.
A GROUP BY clause is able to avoid creating a temporary table if the visitation
order exactly fulfills the clause.
If a SELECT references only fields present in an index, that (covering) index
may
Yes, I’m using v5 JcD. Thanks.
From: sqlite-users on behalf of
Jean-Christophe Deschamps
Sent: Thursday, September 19, 2019 3:49:39 PM
To: SQLite mailing list
Subject: Re: [sqlite] using lower function with utf8
>I was messing about with this and tried the
I was messing about with this and tried the following in sqlite expert
professional
select unicode(lower(char(256)));
I was quite surprised when it responded with the correct result 257.
Looking at the sqlite3.c code I canât see anything that suggests
sqlite would handle lower() for
I was messing about with this and tried the following in sqlite expert
professional
select unicode(lower(char(256)));
I was quite surprised when it responded with the correct result 257.
Looking at the sqlite3.c code I can’t see anything that suggests sqlite would
handle lower() for
On 19 Sep 2019, at 1:14pm, Fredrik Larsen wrote:
> I have a aggregate query that works as expected when the ordering is
> ascending, but uses a TMP B-TREE when changing order to descending, see
> stackoverflow link below.
For experimental purposes, you might take a backup copy of your database
Woohoo, thanks Dan! I'm going to try this very soon :-)
Gwendal
On Thu, Sep 19, 2019 at 1:18 PM Dan Kennedy wrote:
>
> On 19/9/62 18:13, Gwendal Roué wrote:
> > Hello,
> >
> > I am looking at the snapshot experimental APIs, and it looks like once a
> > connection has been sent to an
I have a aggregate query that works as expected when the ordering is
ascending, but uses a TMP B-TREE when changing order to descending, see
stackoverflow link below.
Is there something I'm missing? I would expect same performance when
ordering both directions.
Link:
On Thu, Sep 19, 2019 at 1:13 PM Gwendal Roué wrote:
> I am looking at the snapshot experimental APIs
>
How long do experimental APIs remain experimental?
Snapshot is over 3.75 years old now. Will it ever graduate to a fully
supported API?
As far as I understood the doc, a snapshot remains
On 19/9/62 18:13, Gwendal Roué wrote:
Hello,
I am looking at the snapshot experimental APIs, and it looks like once a
connection has been sent to an "historical snapshot" with
sqlite3_snapshot_open (https://www.sqlite.org/c3ref/snapshot_open.html),
the connection can never be restored back to
Hello,
I am looking at the snapshot experimental APIs, and it looks like once a
connection has been sent to an "historical snapshot" with
sqlite3_snapshot_open (https://www.sqlite.org/c3ref/snapshot_open.html),
the connection can never be restored back to regular operations.
Is it correct?
On Thu, Sep 19, 2019 at 10:20 AM Rowan Worth wrote:
> On Thu, 19 Sep 2019 at 16:03, Dominique Devienne
> > On Wed, Sep 18, 2019 at 6:43 PM Clemens Ladisch
> > > Peng Yu wrote:
> > > > Is there a better way to just return an exit status of 0 for
> > > > a sqlite3 DB file and 1 otherwise?
>
> >
On Thu, 19 Sep 2019 at 16:03, Dominique Devienne
wrote:
> On Wed, Sep 18, 2019 at 6:43 PM Clemens Ladisch
> wrote:
>
> > Peng Yu wrote:
> > > Is there a better way to just return an exit status of 0 for
> > > a sqlite3 DB file and 1 otherwise?
> >
> > Extract the magic header string from a
On Wed, Sep 18, 2019 at 6:43 PM Clemens Ladisch wrote:
> Peng Yu wrote:
> > Is there a better way to just return an exit status of 0 for
> > a sqlite3 DB file and 1 otherwise?
>
> Extract the magic header string from a known DB file:
>
> dd bs=16 count=1 < some.db > sqlite3-signature
>
> Then
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