Re: [sqlite] [EXTERNAL] Query regression with virtual tables

2018-11-14 Thread Hick Gunter
In the meantime, I have found that restricting usable constraints to the fields present in the selected virtual index nearly restores the orginal query plan. Field c is now handled by SQlite at the outer level instead of in the query issued to member tables, forcing more records to be processed

Re: [sqlite] [EXTERNAL] Re: WAL file size increase

2018-11-14 Thread Sharma, Tanuj [AUTOSOL/FMP/IN]
Hello Simon, Thanks for looking into my issue. >> If, during your testing, you're using existing database files, please >> create new ones each time. I am not sure if I understood this suggestion. After making my code changes, I creates a new database file in WAL mode and still observed the

[sqlite] Shell page cache option not working (?)

2018-11-14 Thread Aubrey Barnard
SQLite Users, I'm experiencing unexpected behavior in trying to use the `-pagecache` option for the `sqlite3` shell. Specifically, the `-pagecache` option appears to have no effect even though `pragma cache_size` does. I can see in the code that `-pagecache` causes an allocation which is