> Thanks for this Simon, but unfortunately this is legacy code, which has to
> be used for a while. I just did an update to check for column change (we
> have a column to tell us the record has changed, so we do not need to check
> every column), and the WAL file size growth has dropped significant
> What is the preferred way of receiving change notifications from
> the SQLite connection ?
Just in case it helps, we also had this problem in an embedded system where
constant polling of sqlite tables was expensive and what we did is:
Add a directory in /tmp which every process connected to sq
On 11/27/2012 11:42 AM, Eric wrote:
The following SQL results in X'01000600'.
For reference, "na" option should generate total number of documents
and the average number of tokens per document.
CREATE VIRTUAL TABLE IF NOT EXISTS fts USING fts4(body);
REPLACE INTO fts ( docid, body ) VALU
Does this make it weirder or what? If you do the replace after the insert you
get the expected result.
But if you do the replace, followed by 2 more inserts you get this:
SQLite version 3.7.14.1 2012-10-04 19:37:12
Enter ".help" for instructions
Enter SQL statements terminated with a ";"
sqlite>
I did some profiling with gprof to see why the query which does an extra
ordering on descending docid is (surprisingly) 100 times faster than the
normal query. As you can see in the results below is that the functions
fts3PoslistCopy and sqlite3Fts3GetVarint get called over more than 400
million ti
The following SQL results in X'01000600'.
For reference, "na" option should generate total number of documents
and the average number of tokens per document.
CREATE VIRTUAL TABLE IF NOT EXISTS fts USING fts4(body);
REPLACE INTO fts ( docid, body ) VALUES (1, "one two three four");
REPLACE
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