Re: [sqlite] Test failures on GPFS

2020-01-11 Thread Richard Hipp
On 1/11/20, J. King wrote: > > WAL mode does not work over the network, so the test failures are presumably > to be expected. > WAL mode should work on a network filesystem, as long as all of the clients are on the same host computer, and as long as mmap()-ing the *-shm file gives all the clients

Re: [sqlite] Test failures on GPFS

2020-01-11 Thread J. King
On January 11, 2020 5:57:31 p.m. EST, T J wrote: >I was interested in using sqlite over GPFS. I've seen a few useful >threads >on this: > > [...] > >Overall, it looks pretty good, but there were some WAL >failures. >Could someone comment on the precise implication of those test >failures? WAL m

Re: [sqlite] Test failures on GPFS

2020-01-11 Thread Jens Alfke
> On Jan 11, 2020, at 2:58 PM, T J wrote: > > I was interested in using sqlite over GPFS. The standard advice on using SQLite over a network file system is “don’t do it.” Even if you find the rare file system that handles locks properly, you’ll likely have performance issues. A client/server

Re: [sqlite] Unexplained table bloat

2020-01-11 Thread Kevin Youren
Hi, I checked the download mentioned in the original email. Not sure if the table changed since the previous posts. It seems LUTFullString has 3 BLOB rows, but LENGTH treats them as strings. I'm in Melbourne, Oz, so I added the UTC datetime. regs, Kev kevin@KCYDell:~$ cd /mnt/KCY/KCYDocs/ ke

[sqlite] Test failures on GPFS

2020-01-11 Thread T J
Hi, I was interested in using sqlite over GPFS. I've seen a few useful threads on this: - Network file system that support sqlite3 well https://www.mail-archive.com/sqlite-users@mailinglists.sqlite.org/msg117085.html - disable file locking mechanism over the network https://www.

Re: [sqlite] Best way to store key,value pairs

2020-01-11 Thread Jens Alfke
> On Jan 8, 2020, at 3:13 AM, Simon Slavin wrote: > > I believe Jens' point is valid, as long as you don't have to search/scan > headers. You can even do that — to search for a specific header’s value, just create an index on json_extract(headers, ‘$Header-Name’), then in a query use that sam

Re: [sqlite] Database speed comparison

2020-01-11 Thread Andy
And huge speedup by exec("BEGIN") myloop exec("COMMIT") sob., 11 sty 2020 o 07:30 Andy napisał(a): > I had sqlite3_prepare_v2 without sqlite3_finalize and sqlite3_close not > closes multiple databases. > > sob., 11 sty 2020 o 07:17 Andy napisał(a): > >> These tests are a lot faster than calling

[sqlite] sqldiff bug report: wrong real rounding.

2020-01-11 Thread forceps millenium
Greetings!   In short: sqldiff unable to formulate correct `sql` to convert slave.db into host.db.   $ sqldiff slave.db host.db  UPDATE balancelog SET total=1500.74122892 WHERE id=1418; $ echo "UPDATE balancelog SET total=1500.74122892 WHERE id=1418;" | sqlite3 slave.db $ sqldiff slave.db host.d

Re: [sqlite] using System.Data.SQLite on Linux / ".Net Core 2"

2020-01-11 Thread tcowan
Did you ever get SQLite to work on PowerShell on Linux? ...ted -- Sent from: http://sqlite.1065341.n5.nabble.com/ ___ sqlite-users mailing list sqlite-users@mailinglists.sqlite.org http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users