Can the System.Data.SQLite provider add support for Shared Cache? There's
some old code in interop.c that's commented out that enables it, but no
indication of why it's commented out.
There's some discussion of it from five years ago here, with a patch to add
support: http://sqlite.phxsoftware.co
Oracle's distribution of BerkleyDB with SQLite has page-level locking
instead of database-level locking. If you need the increased concurrency
that is an option.
http://www.oracle.com/technetwork/database/berkeleydb/overview/index.html
Supposedly it's a drop-in replacement for sqlite. I haven't
On Wed, Jul 20, 2011 at 7:51 PM, Abhinav Upadhyay
wrote:
> Hi,
>
> I have an FTS table with compress and uncompress options enabled. I am
> using zlib(3) for doing the compression. The compression function
> seems to be doing ok as I can see the size of the database coming down
> drastically. But
On 20 Jul 2011, at 7:23pm, Jonas Sandman wrote:
> sqlite> select ifnull(nullif(s.value, r.value), r.value) as value FROM real r
> LEFT OUTER JOIN shadow s ON s.id=r.id;
> 1
> 22
> 3
> 4
>
> Or am I misunderstanding?
That looks fine. And if he uses that SELECT to make a VIEW he can treat the
Don't you simply want this?
sqlite> create table real (id integer primary key, value integer);
sqlite> create table shadow (id integer primary key, value integer);
sqlite> insert into real (id, value) VALUES (1, 1);
sqlite> insert into real (id, value) VALUES (2, 2);
sqlite> insert into real (id,
Don't you simply want this?
sqlite> create table real (id integer primary key, value integer);
sqlite> create table shadow (id integer primary key, value integer);
sqlite> insert into real (id, value) VALUES (1, 1);
sqlite> insert into real (id, value) VALUES (2, 2);
sqlite> insert into real (id,
Igor,
Good point. That's certainly the most straightforward way, which is a
benefit in itself. Sometimes when you have a really good hammer everything
starts looking like a nail.
Thanks to all!
Keith
On Jul 20, 2011 2:03pm, Igor Tandetnik wrote:
> On 7/20/2011 11:21 AM, KeithB wrote:
> >
On 7/20/2011 11:21 AM, KeithB wrote:
> I'd like to create a temporary table to "shadow" one of my persistent
> tables. It will have the same columns and hold "override" values that,
> when present, take precedence over the real values. So, I'd like to
> search for a row by primary key, looking firs
A union variation that is more amenable to generic selects:
select a,b,c,1 as tablename from real where id=123 and not exists (Select 1
from over where over.id = real.id)
union
select a,b,c,2 as tablename from over where id=123
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On Wed, Jul 20, 2011 at 04:52:11PM +, morning5...@gmail.com scratched on
the wall:
> I probably didn't explain it well enough, but my goal is that if a row
> exists in the override table then ALL if the values from that table are
> used. It doesn't seem like Jay's approach will accomplish
Does anybody have or know of another example of using the geometry callback
in R-Trees? I am following the example on the site, but still can't wrap my
mind around the concept.
Thanks in advance.
John
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I probably didn't explain it well enough, but my goal is that if a row
exists in the override table then ALL if the values from that table are
used. It doesn't seem like Jay's approach will accomplish that since it
will only override non-NULL columns.
I did get it working (I think) by using:
On Wed, Jul 20, 2011 at 11:21:32AM -0400, KeithB scratched on the wall:
> I'd like to create a temporary table to "shadow" one of my persistent
> tables. It will have the same columns and hold "override" values that,
> when present, take precedence over the real values. So, I'd like to
> search for
On 7/20/11 8:27 AM, "Simon Slavin" wrote:
>On 20 Jul 2011, at 4:21pm, KeithB wrote:
>
>> I'd like to create a temporary table to "shadow" one of my persistent
>> tables. It will have the same columns and hold "override" values that,
>> when present, take precedence over the real values. So, I'd l
On 20 Jul 2011, at 4:21pm, KeithB wrote:
> I'd like to create a temporary table to "shadow" one of my persistent
> tables. It will have the same columns and hold "override" values that,
> when present, take precedence over the real values. So, I'd like to
> search for a row by primary key, lookin
I'd like to create a temporary table to "shadow" one of my persistent
tables. It will have the same columns and hold "override" values that,
when present, take precedence over the real values. So, I'd like to
search for a row by primary key, looking first in the override table,
and if not found, th
Hi,
I have an FTS table with compress and uncompress options enabled. I am
using zlib(3) for doing the compression. The compression function
seems to be doing ok as I can see the size of the database coming down
drastically. But I the uncompress function is not working properly.
For example if I
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