On Tue, Jan 31, 2012 at 6:01 AM, Fabio Spadaro fabiolinos...@gmail.comwrote:
Hi
2012/1/30 Bart Smissaert bart.smissa...@gmail.com
How do you make it open database files that have an extension other than
.slt?
RBS
Tonight I will see to create a new version with bug fixes.
Meanwhile
On Thu, Jan 26, 2012 at 3:29 AM, Jean-Denis MUYS jdm...@kleegroup.comwrote:
On 25 janv. 2012, at 22:30, John Elrick wrote:
I have to say this has been a fascinating learning experience. It has
been
enlightening reading the SQLite code and beginning to understand its
inner
workings
On Thu, Jan 26, 2012 at 12:36 PM, Stephan Beal sgb...@googlemail.comwrote:
On Thu, Jan 26, 2012 at 2:53 PM, Mohit Sindhwani m...@onghu.com wrote:
Absolutely! I come home from work and tune in to this thread, gripped :)
+1 to Mohit and the others who's written similar responses. i rarely
);
sqlite3HashInit(p-idxHash);
sqlite3HashInit(p-trigHash);
sqlite3HashInit(p-fkeyHash);
p-enc = SQLITE_UTF8;
}
return p;
}
On Tue, Jan 24, 2012 at 7:46 PM, Richard Hipp d...@sqlite.org wrote:
On Tue, Jan 24, 2012 at 7:37 PM, John Elrick john.elr...@fenestra.com
wrote:
It appears
...especially given that the results of sqlite3SchemaClear are being passed
as a parameter and from the declaration, sqlite3SchemaClear doesn't return
anything.
On Wed, Jan 25, 2012 at 7:53 AM, John Elrick john.elr...@fenestra.comwrote:
I started with the place where iGeneration was being
On Wed, Jan 25, 2012 at 8:02 AM, Richard Hipp d...@sqlite.org wrote:
On Wed, Jan 25, 2012 at 7:53 AM, John Elrick john.elr...@fenestra.com
wrote:
I started with the place where iGeneration was being changed and found
nothing out of the ordinary. I started an examination and noticed
On Tue, Jan 24, 2012 at 7:46 PM, Richard Hipp d...@sqlite.org wrote:
On Tue, Jan 24, 2012 at 7:37 PM, John Elrick john.elr...@fenestra.com
wrote:
It appears that the value is set here:
u.av.pBt = db-aDb[pOp-p1].pBt;
if( u.av.pBt ){
sqlite3BtreeGetMeta(u.av.pBt
the internal schema isn't coming from here.
On Wed, Jan 25, 2012 at 9:02 AM, John Elrick john.elr...@fenestra.comwrote:
On Tue, Jan 24, 2012 at 7:46 PM, Richard Hipp d...@sqlite.org wrote:
On Tue, Jan 24, 2012 at 7:37 PM, John Elrick john.elr...@fenestra.com
wrote:
It appears that the value
On Wed, Jan 25, 2012 at 9:50 AM, Richard Hipp d...@sqlite.org wrote:
On Wed, Jan 25, 2012 at 9:02 AM, John Elrick john.elr...@fenestra.com
wrote:
current state = 'db=03FB1188, db-aDb[pOp-p1].pSchema=02110AB0,
db-aDb[pOp-p1].pSchema-schema_cookie=27,
db-aDb[pOp-p1].pSchema-iGeneration
On Wed, Jan 25, 2012 at 10:32 AM, Simon Slavin slav...@bigfraud.org wrote:
On 25 Jan 2012, at 3:18pm, John Elrick wrote:
So, it appears that something is making SQLite think the schema has
changed.
Can you read the following:
http://www.sqlite.org/pragma.html#pragma_schema_version
Ok. Possible scenario. I can't prove it, but somebody tell me if this is
what could be going on:
prepare query1
prepare query2
create something - schema change
query1.step
- schema invalid so recreate
- recreation of schema changes the generation
query2.step
- schema invalid so recreate
On Wed, Jan 25, 2012 at 9:50 AM, Richard Hipp d...@sqlite.org wrote:
On Wed, Jan 25, 2012 at 9:02 AM, John Elrick john.elr...@fenestra.com
wrote:
current state = 'db=03FB1188, db-aDb[pOp-p1].pSchema=02110AB0,
db-aDb[pOp-p1].pSchema-schema_cookie=27,
db-aDb[pOp-p1].pSchema-iGeneration
Addendum
On Wed, Jan 25, 2012 at 1:12 PM, John Elrick john.elr...@fenestra.comwrote:
On Wed, Jan 25, 2012 at 9:50 AM, Richard Hipp d...@sqlite.org wrote:
On Wed, Jan 25, 2012 at 9:02 AM, John Elrick john.elr...@fenestra.com
wrote:
current state = 'db=03FB1188, db-aDb[pOp-p1].pSchema
On Wed, Jan 25, 2012 at 1:13 PM, Richard Hipp d...@sqlite.org wrote:
On Wed, Jan 25, 2012 at 10:18 AM, John Elrick john.elr...@fenestra.com
wrote:
I do have some more information for you. I tracking everything which
could
call reset and discovered that all of these are stemming from
Richard,
Is it reasonable to say that, assuming:
1. The schema has not changed
2. There is only one connection to the database
that the value of iGeneration should always equal pOp-p3 in
OP_VerifyCookie?
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Richard,
I've found a problem that I don't understand. Looking at the case
OP_VerifyCookie, I attempted to output pOp-opcode, which I expected to
equal OP_VerifyCookie. However, it doesn't:
Schema has changed current state = 'db=0025, pOp-opCode=66785672,
db-aDb[pOp-p1].pSchema=02110AB0,
sqlite-users@sqlite.org
http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
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540-868-1377
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On Wed, Jan 25, 2012 at 4:07 PM, Richard Hipp d...@sqlite.org wrote:
On Wed, Jan 25, 2012 at 4:01 PM, John Elrick john.elr...@fenestra.com
wrote:
Much better. I wasn't sure which version to incorporate the changes into
(the link is to the source), so I put them into 3.7.9.
The total
Thanks.
On Wed, Jan 25, 2012 at 4:11 PM, Petite Abeille petite.abei...@gmail.comwrote:
On Jan 25, 2012, at 10:09 PM, John Elrick wrote:
DML?
http://en.wikipedia.org/wiki/Data_Manipulation_Language
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On Wed, Jan 25, 2012 at 4:07 PM, Richard Hipp d...@sqlite.org wrote:
On Wed, Jan 25, 2012 at 4:01 PM, John Elrick john.elr...@fenestra.com
wrote:
Much better. I wasn't sure which version to incorporate the changes into
(the link is to the source), so I put them into 3.7.9.
The total
On Wed, Jan 25, 2012 at 4:21 PM, Nico Williams n...@cryptonector.comwrote:
On Wed, Jan 25, 2012 at 3:07 PM, Richard Hipp d...@sqlite.org wrote:
The SQLite byte-code engine was being too conservative and was reparsing
the schema in places where it was not strictly necessary. The fix was to
Richard,
Your last request for some detailed information about what queries were
being processed did the trick. Here is a description of the problem (and
yes, it appears to be in SQLite).
In 3.7.5, the number one malloc consumer is
INSERT INTO SEQUENCE_ELEMENTS
(
SEQUENCE_ELEMENT_OID,
Addendum. After looking further it appears that the reparsing is happening
independently of triggering. In this case, the reparsing occurs 30,502
times for every view and trigger I have examined. Only one trigger appears
in the 3.7.5 listing and it is parsed exactly 1 time.
3.7.5
CREATE
While reviewing our other thread, I noticed a piece of information
concerning sqlite3ResetInternalSchema. Based on the number of times that I
reported it had been called, I believe that something was changed between
3.7.5 and 3.7.6 which causes sqlite3ResetInternalSchema to be called when
it
On Tue, Jan 24, 2012 at 12:06 PM, Richard Hipp d...@sqlite.org wrote:
On Tue, Jan 24, 2012 at 11:59 AM, John Elrick john.elr...@fenestra.com
wrote:
While reviewing our other thread, I noticed a piece of information
concerning sqlite3ResetInternalSchema. Based on the number of times
On Tue, Jan 24, 2012 at 1:18 PM, Dan Kennedy danielk1...@gmail.com wrote:
On 01/25/2012 12:15 AM, John Elrick wrote:
On Tue, Jan 24, 2012 at 12:06 PM, Richard Hippd...@sqlite.org wrote:
On Tue, Jan 24, 2012 at 11:59 AM, John
Elrickjohn.elrick@fenestra.**comjohn.elr...@fenestra.com
On Tue, Jan 24, 2012 at 12:53 PM, Richard Hipp d...@sqlite.org wrote:
On Tue, Jan 24, 2012 at 12:15 PM, John Elrick john.elr...@fenestra.com
wrote:
SNIP
http://www.sqlite.org/fenstra/sqlite-201103081639.zip
This one gives the high number of mallocs just as does 3.7.6.
http
On Tue, Jan 24, 2012 at 1:29 PM, Krystian Bigaj krystian.bi...@gmail.comwrote:
You can compile sqlite3.dll with debug information, and then you can in VS
attach to your running .exe - you should be able to see sqlite
stacks/breakpoints/step-in/out/etc. should also work.
Thanks very much for
On Tue, Jan 24, 2012 at 1:28 PM, John Elrick john.elr...@fenestra.comwrote:
SNIP
http://www.sqlite.org/fenstra/sqlite-201103241737.zip
This one is failing to compile. It needs _msize. That sounds like the
3.7.10 issue reported recently.
I opened the sqlite3.c file and it is version
On Tue, Jan 24, 2012 at 12:53 PM, Richard Hipp d...@sqlite.org wrote:
On Tue, Jan 24, 2012 at 12:15 PM, John Elrick john.elr...@fenestra.com
wrote:
Can you put a breakpoint on sqlite3ResetInternalSchema() and figure out
from whence it is being called so often?
Just did
Nope and nope. They are happening apparently out of the blue.
On Jan 24, 2012 2:40 PM, Nico Williams n...@cryptonector.com wrote:
Maybe a view is getting materialized, or a some other temp table's
creation under the hood is triggering this?
___
On Tue, Jan 24, 2012 at 3:05 PM, Richard Hipp d...@sqlite.org wrote:
On Tue, Jan 24, 2012 at 1:28 PM, John Elrick john.elr...@fenestra.com
wrote:
http://www.sqlite.org/fenstra/sqlite-201103081639.zip
This one gives the high number of mallocs just as does 3.7.6.
OK. Please try
On Tue, Jan 24, 2012 at 5:36 PM, Richard Hipp d...@sqlite.org wrote:
On Tue, Jan 24, 2012 at 5:21 PM, John Elrick john.elr...@fenestra.com
wrote:
On Tue, Jan 24, 2012 at 3:05 PM, Richard Hipp d...@sqlite.org wrote:
OK. Please try these:
http://www.sqlite.org/fenstra/sqlite
Let me rephrase that...
I ran this test with a small case. See results below.
On Tue, Jan 24, 2012 at 5:55 PM, John Elrick john.elr...@fenestra.comwrote:
SNIP
http://www.sqlite.org/fenstra/sqlite-201102040051.zip
Low malloc count
8,191 calls to malloc (consistent with 3.7.5
I really found it this time.
While I was looking over the code changes, I noticed a section of code
dealing with case OP_VerifyCookie:
Inside that section is the following in 3.7.6
if( u.av.iMeta!=pOp-p2 || u.av.iGen!=pOp-p3 ){
sqlite3DbFree(db, p-zErrMsg);
p-zErrMsg =
On Tue, Jan 24, 2012 at 7:26 PM, Richard Hipp d...@sqlite.org wrote:
On Tue, Jan 24, 2012 at 7:18 PM, John Elrick john.elr...@fenestra.com
wrote:
SNIP
So the problem was introduced by
http://www.sqlite.org/src/info/36c04dd1695f08
Which is the fix for this bug:
http
Brain hurts...
Richard, more information for you. I rebuilt the call stack checking
system into pure Delphi and confirmed that yy_reduce appears to be the
malloc culprit. I further created a pair of procedures which I can use to
track the yyruleno from yy_reduce as though it were a call. Below
On Mon, Jan 23, 2012 at 3:48 PM, Richard Hipp d...@sqlite.org wrote:
On Mon, Jan 23, 2012 at 3:12 PM, John Elrick john.elr...@fenestra.com
wrote:
Brain hurts...
Richard, more information for you. I rebuilt the call stack checking
system into pure Delphi and confirmed that yy_reduce
On Mon, Jan 23, 2012 at 4:27 PM, Nico Williams n...@cryptonector.comwrote:
On Mon, Jan 23, 2012 at 3:02 PM, John Elrick john.elr...@fenestra.com
wrote:
I think I can inject something to do some measurements. I seem to
recall,
however, that there was no substantive difference in the number
a better place to query this would be a Delphi list ?
Simon.
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540-868-1377
. As frustrating as it has been to narrow down the cause, I
have nothing but respect and gratitude for everyone who has attempted to
help. Thank you all.
On Jan 20, 2012 3:47 PM, Richard Hipp d...@sqlite.org wrote:
On Fri, Jan 20, 2012 at 3:40 PM, John Elrick john.elr...@fenestra.com
wrote:
I
output here. I'm sure this will be greek
for most of us :), but when Richard or Dan look at the difference in the
vdbe code, they could notice something
Max
On Fri, Jan 20, 2012 at 1:17 AM, John Elrick john.elr...@fenestra.com
wrote:
One more useful comparison. The following query
Thank you sir. I'll start looking.
On Fri, Jan 20, 2012 at 8:27 AM, Richard Hipp d...@sqlite.org wrote:
On Fri, Jan 20, 2012 at 8:14 AM, John Elrick john.elr...@fenestra.com
wrote:
I asked in an earlier posting if the amalgamations were available
somewhere.
http://www.sqlite.org
The change which results in a slow down occurred between 3.7.5.0 and
3.7.6.0.
On Fri, Jan 20, 2012 at 8:34 AM, John Elrick john.elr...@fenestra.comwrote:
Thank you sir. I'll start looking.
On Fri, Jan 20, 2012 at 8:27 AM, Richard Hipp d...@sqlite.org wrote:
On Fri, Jan 20, 2012 at 8:14 AM
The problem is not in the queries. The problem is in a two order of
magnitude increase in _mallocs between the versions. The _mallocs are
coming from sqlite3Parser.
On Fri, Jan 20, 2012 at 2:37 PM, Max Vlasov max.vla...@gmail.com wrote:
On Fri, Jan 20, 2012 at 10:05 PM, John Elrick john.elr
20, 2012 at 2:55 PM, John Elrick john.elr...@fenestra.comwrote:
The problem is not in the queries. The problem is in a two order of
magnitude increase in _mallocs between the versions. The _mallocs are
coming from sqlite3Parser.
On Fri, Jan 20, 2012 at 2:37 PM, Max Vlasov max.vla
Question:
If a query has already been prepared with sqlite3_prepare_v2, why would
sqlite3_step need to call sqlite3Prepare, which in turn calls
sqlite3RunParser?
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triggering the re-parse which did not do so in the earlier
version.
On Thu, Jan 19, 2012 at 7:45 AM, Richard Hipp d...@sqlite.org wrote:
On Thu, Jan 19, 2012 at 7:41 AM, John Elrick john.elr...@fenestra.com
wrote:
Question:
If a query has already been prepared with sqlite3_prepare_v2, why
On Thu, Jan 19, 2012 at 8:03 AM, Richard Hipp d...@sqlite.org wrote:
On Thu, Jan 19, 2012 at 7:51 AM, John Elrick john.elr...@fenestra.com
wrote:
Interesting:
1. There are no database schema changes occurring after the system is
fully
initialized
2. There are no ATTACHed databases
On Thu, Jan 19, 2012 at 8:15 AM, Richard Hipp d...@sqlite.org wrote:
On Thu, Jan 19, 2012 at 8:10 AM, John Elrick john.elr...@fenestra.com
wrote:
I've been reading through the code. Do I understand correctly that if
one
prepared statement binding is changed in such a way as may
On Thu, Jan 19, 2012 at 8:25 AM, John Elrick john.elr...@fenestra.comwrote:
On Thu, Jan 19, 2012 at 8:15 AM, Richard Hipp d...@sqlite.org wrote:
On Thu, Jan 19, 2012 at 8:10 AM, John Elrick john.elr...@fenestra.com
wrote:
I've been reading through the code. Do I understand correctly
I've added more tracking to our libraries. Most queries result in minimal
(200 calls) _malloc activity, But I have found several anomalies. I am
listing some representatives below. In the examples below, step is the
operation. Note also that all queries should have been prepared with
On Thu, Jan 19, 2012 at 11:49 AM, John Elrick john.elr...@fenestra.comwrote:
I've added more tracking to our libraries. Most queries result in minimal
(200 calls) _malloc activity, But I have found several anomalies. I am
listing some representatives below. In the examples below, step
One more useful comparison. The following query is prepared and step is
called with these results:
step: UPDATE RESPONSES SET
RESPONSE_NAME = :RESPONSE_NAME
WHERE RESPONSE_OID = :RESPONSE_OID
Cumulative Allocated Memory: 10,992
Count of _malloc Calls:18
I could not use any of the proffered tools for several reasons. After an
inspiration yesterday, I dusted off my C programming skills and started
hacking a pseudo-call stack system into SQLite3.c. I've put the statistics
below for the top couple of call stacks.
Total times _malloc called in
What else could trigger a call to sqlite3ResetInternalSchema()? I'm
getting a clear breakpoint tracing back to such innocuous calls as
_sqlite3_step.
On Wed, Jan 18, 2012 at 3:31 PM, Richard Hipp d...@sqlite.org wrote:
On Wed, Jan 18, 2012 at 3:12 PM, John Elrick john.elr...@fenestra.com
FYI, I traced the number of calls to sqlite3ResetInternalSchema() on a
smaller set of data. It appears that it isn't the culprit.
Total mallocs: 148,156
Total calls to sqlite3ResetInternalSchema(): 63
On Wed, Jan 18, 2012 at 3:41 PM, John Elrick john.elr...@fenestra.comwrote:
What else could
Whatever is happening, it appears I can only reproduce it under these
circumstances. I'll continue digging into the procedure tomorrow to see if
I can narrow down where this is coming from.
On Wed, Jan 18, 2012 at 3:54 PM, John Elrick john.elr...@fenestra.comwrote:
FYI, I traced the number
started looking at yy_reduce, but it looks machine generated. If you
give me some direction I'll see if I can narrow it down further.
On Wed, Jan 18, 2012 at 4:02 PM, John Elrick john.elr...@fenestra.comwrote:
Whatever is happening, it appears I can only reproduce it under these
circumstances
On Wed, Jan 18, 2012 at 4:32 PM, Richard Hipp d...@sqlite.org wrote:
On Wed, Jan 18, 2012 at 4:30 PM, John Elrick john.elr...@fenestra.com
wrote:
I made one more stab and narrowed down the mallocs to this call:
Count:119,133 = 'sqlite3Parser_lt_YYNSTATEpYYNRULE(12)
sqlite3Parser(11
On Mon, Jan 16, 2012 at 11:47 PM, Max Vlasov max.vla...@gmail.com wrote:
On Tue, Jan 17, 2012 at 5:05 AM, John Elrick john.elr...@fenestra.com
wrote:
I can try that approach with BCC. I was concerned that the IDE would be
getting inaccurate information from the .OBJ. Crossing
On Mon, Jan 16, 2012 at 5:36 PM, Richard Hipp d...@sqlite.org wrote:
On Mon, Jan 16, 2012 at 5:31 PM, John Elrick john.elr...@fenestra.com
wrote:
SNIP
This is very curious and perhaps a useful clue. SQLite does call
SNIP
It is a clue that I need a break. While updating the counters
On Mon, Jan 16, 2012 at 8:05 PM, John Elrick john.elr...@fenestra.comwrote:
On Mon, Jan 16, 2012 at 5:31 PM, Richard Hipp d...@sqlite.org wrote:
On Mon, Jan 16, 2012 at 5:13 PM, John Elrick john.elr...@fenestra.com
wrote:
I did this trace through the Delphi IDE and hand copied the call
On Mon, Jan 16, 2012 at 4:37 AM, Max Vlasov max.vla...@gmail.com wrote:
On Sun, Jan 15, 2012 at 3:35 AM, John Elrick john.elr...@fenestra.com
wrote:
On Fri, Jan 13, 2012 at 5:13 PM, Max Vlasov max.vla...@gmail.com
wrote:
5,008 calls to
UPDATE RESPONSES SET
RESPONSE_NAME
On Fri, Jan 13, 2012 at 5:58 PM, Richard Hipp d...@sqlite.org wrote:
On Fri, Jan 13, 2012 at 4:49 PM, John Elrick john.elr...@fenestra.com
wrote:
SNIP
SQLite has lots of interfaces that can be used to determine performance and
status information. Some example code from the command-line
On Mon, Jan 16, 2012 at 10:33 AM, Richard Hipp d...@sqlite.org wrote:
On Mon, Jan 16, 2012 at 10:29 AM, John Elrick john.elr...@fenestra.com
wrote:
SQLite has lots of interfaces that can be used to determine performance
and
status information. Some example code from the command
On Fri, Jan 13, 2012 at 5:58 PM, Richard Hipp d...@sqlite.org wrote:
On Fri, Jan 13, 2012 at 4:49 PM, John Elrick john.elr...@fenestra.com
wrote:
3.6.17
Procedure % TimeTimeCalls
_sqlite3_step 58.4% 1.795,052
_memcpy
list
sqlite-users@sqlite.org
http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
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540-868-1377
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Lacking the status interfaces for 3.6.17 I was forced to mark them as
interface not supported. Simon suggested I track the calls to _malloc,
so I've added extensive tracing code. Here is the final output from the
two versions:
Application: Surveyor.exe
Sqlite version:
Addendum: This test was conducted using a full size test dataset. I had
been using one that was an order of magnitude smaller for profiling before,
but could use the full size for this test.
On Mon, Jan 16, 2012 at 4:37 PM, John Elrick john.elr...@fenestra.comwrote:
Lacking the status
I did this trace through the Delphi IDE and hand copied the call stack.
Unfortunately, I can't give you line numbers, although I could go back and
give you hex offsets from the start of the procedures. These are literally
the first seven call stacks from _malloc after I initiate the trace. I'm
On Mon, Jan 16, 2012 at 5:14 PM, Simon Slavin slav...@bigfraud.org wrote:
On 16 Jan 2012, at 9:37pm, John Elrick wrote:
Lacking the status interfaces for 3.6.17 I was forced to mark them as
interface not supported. Simon suggested I track the calls to _malloc,
so I've added extensive
Richard,
I don't know if the calls to _realloc will help also, but I've added
tracing for those also. My updated output:
Application: Surveyor.exe
Sqlite version: 3.7.9
Date/Time:01/16/2012 17:20:58
Memory Used:
I will adjust the realloc tests tomorrow and let you know. The two
routines are unique in the Delphi library unit.
Thanks again for your time and efforts.
On Mon, Jan 16, 2012 at 5:36 PM, Richard Hipp d...@sqlite.org wrote:
On Mon, Jan 16, 2012 at 5:31 PM, John Elrick john.elr...@fenestra.com
On Mon, Jan 16, 2012 at 5:31 PM, Richard Hipp d...@sqlite.org wrote:
On Mon, Jan 16, 2012 at 5:13 PM, John Elrick john.elr...@fenestra.com
wrote:
I did this trace through the Delphi IDE and hand copied the call stack.
Unfortunately, I can't give you line numbers, although I could go back
On Fri, Jan 13, 2012 at 5:20 PM, Pavel Ivanov paiva...@gmail.com wrote:
At this point I've exhausted my avenues of research. Does anyone have
any
further ideas as to what may be going on which could cause this increase
in
memory management activity? Or any suggestions of where to look
On Fri, Jan 13, 2012 at 5:58 PM, Richard Hipp d...@sqlite.org wrote:
On Fri, Jan 13, 2012 at 4:49 PM, John Elrick john.elr...@fenestra.com
wrote:
3.6.17
Procedure % TimeTimeCalls
_sqlite3_step 58.4% 1.795,052
_memcpy
On Sat, Jan 14, 2012 at 10:42 AM, Dan Kennedy danielk1...@gmail.com wrote:
On 01/14/2012 04:49 AM, John Elrick wrote:
So, obviously the problem is that _malloc is being called a much larger
number of times by 3.7.9 in this particular circumstance -- roughly 70
times as often. _memcpy
On Fri, Jan 13, 2012 at 5:13 PM, Max Vlasov max.vla...@gmail.com wrote:
John,
I read your previous post and unfortunately, your conversation with Richard
didn't reveal much details. I worked with scenario similar tou yours
(Delphi + statically linked sqlite) for several years and during this
further ideas as to what may be going on which could cause this increase in
memory management activity? Or any suggestions of where to look next?
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to be a built in
mechanism for creating this type of log. Is this correct or am I
missing something?
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:13 AM, Richard Hipp d...@sqlite.org wrote:
Please send private email to d...@sqlite.org. CC to d...@sqlite.org and
j...@sqlite.org.
On Mon, Jan 9, 2012 at 11:09 AM, John Elrick john.elr...@fenestra.comwrote:
Sorry The combined files are 2.4 MB zipped
On Mon, Jan 9, 2012 at 11:09 AM, John
On Tue, Jan 10, 2012 at 8:31 AM, Richard Hipp d...@sqlite.org wrote:
On Tue, Jan 10, 2012 at 8:14 AM, John Elrick john.elr...@fenestra.comwrote:
I will have to get back to you on this. While running tests against
isolated queries, I noticed an unusual circumstance. When I isolate
On Tue, Jan 10, 2012 at 10:14 AM, Richard Hipp d...@sqlite.org wrote:
On Tue, Jan 10, 2012 at 10:08 AM, John Elrick john.elr...@fenestra.comwrote:
On Tue, Jan 10, 2012 at 8:31 AM, Richard Hipp d...@sqlite.org wrote:
On Tue, Jan 10, 2012 at 8:14 AM, John Elrick john.elr...@fenestra.com
wrote
.
The combined files are 2.4 MB. How would you prefer I send this file
to you?
On Fri, Jan 6, 2012 at 4:51 PM, John Elrick john.elr...@fenestra.com wrote:
Yes. Look for it on Monday. I'm about to leave for the day. The
queries are automatically generated and will require some mining to
get
Sorry The combined files are 2.4 MB zipped
On Mon, Jan 9, 2012 at 11:09 AM, John Elrick john.elr...@fenestra.com wrote:
Richard,
I have the information available for you. Unfortunately, it appears
that I cannot actually reduce the case, however, the issues appear to
be fairly confined
be pleased to hear
them. For the moment we are reverting to 3.6.7 as a temporary
solution.
--
John Elrick
Fenestra Technologies
540-868-1377
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On Fri, Jan 6, 2012 at 4:42 PM, Richard Hipp d...@sqlite.org wrote:
Can you publish for us:
(1) A sample database
(2) The specific queries that are causing your problems
So that we can investigate further?
On Fri, Jan 6, 2012 at 4:31 PM, John Elrick john.elr...@fenestra.comwrote:
Background
Robert Citek wrote:
Are there some white papers or examples of how to do updates in
parallel using sqlite?
I have a large dataset in sqlite that I need to process outside of
sqlite and then update the sqlite database. The process looks
something like this:
sqlite3 -separator $'\t'
Alexey Pechnikov wrote:
Hello!
On Monday 14 December 2009 11:33:32 Jens Miltner wrote:
...
You did not understand me. The manually named columns
may not be renamed automatically. But in the test the
column id was renamed to id:1:
sqlite create table test (id INTEGER PRIMARY
Florian Schricker wrote:
Hello Simon,
SNIP
Please excuse me for being so blunt:
You have no idea what I'm supposed to do here nor do you have any idea
for whatever historic reason the database or table is designed as is
here nor (and finally) do you have no idea about my education on
:
select myfoo.foo.* from myfoo.foo;
would be expected to produce different results than:
select r.* from myfoo.foo r;
If the former is invalid, then the latter should be also and vis versa.
My own opinion, but there it is.
FWIW,
John Elrick
cid:part1.02020305.03070606@fenestra.com
Jan wrote:
Hi,
Although I read in a recent post by drh that it is not recommended to
use sqlite in a local network I would like to ask if the following
approach would work:
A database in the local network needs to be accessed by about 20 people.
I suppose the max. number at the same
Cariotoglou Mike wrote:
Great. thanks for the info. however, this means that at least part of the
runtime library actually comes from the VCL, and not the BCC32 libraries, is
that not so ?
There are some OBJ files needed, we picked them up from somewhere, but I
don't recall exactly
Jean-Denis Muys wrote:
On 10/7/09 21:35 , Adam DeVita adev...@verifeye.com wrote:
One can also get a mess if Mr. Red and Mr Black both get new customers, and
enter them and they both get the same ID because the auto-generated int
happens to be the same. Both copies get updated with the
Jason Freshwater wrote:
2. Read every record into my application and use a hashtable to
do my own select distinct. This is pretty good, about 0.6s to
achieve the distinct list (I can count each distinct value
along the way which is a useful side effect).
Would you mind my asking what language
Jason Freshwater wrote:
If this comes out garbled again the answer is java 1.6 on 1.8Ghz windows xp
i get about 500,000 rows/second reading single character values via xerial
jdbc
Thanks, I did some additional experiments with only integers and got
similar results. I had always been
Simon Slavin wrote:
On 7 Oct 2009, at 7:20pm, Adam DeVita wrote:
regarding this
The fault is that
almost nobody does it right: they neglect to keep an 'unaltered
central copy' and think they can cross-apply journals each time two
databases talk to one-another. That does not work for
Simon Slavin wrote:
On 7 Oct 2009, at 8:33pm, John Elrick wrote:
Isn't this a variation of the DVCS problem? In other words, would it
be correct in saying that the underlying issue is treating this as a
database problem, rather than it being a versioning problem which
happens
(m_insert, 2, idItem);
sqlite3_bind_blob(m_insert, 1, p, DATA_KEY_RECORD_LENGTH, FreeBlob);
Assuming m_insert is your statement.
HTH
John Elrick
Fenestra Technologies
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