[geary: 6/6] Merge branch 'mjog/921-db-locked' into 'mainline'

[Michael Gratton <mjog src gnome org>]

commit 4ae97ab74b2eb6772fa2df6533a5438cf7658de3
Merge: 801fa710c 6d473a265
Author: Michael Gratton <mike vee net>
Date:   Sat Sep 5 04:51:32 2020 +0000

    Merge branch 'mjog/921-db-locked' into 'mainline'
    
    Database is locked error
    
    See merge request GNOME/geary!576

 po/POTFILES.in                                 |   2 +
 src/client/application/application-client.vala |   2 -
 src/engine/db/db-connection.vala               | 316 +++++++------------------
 src/engine/db/db-context.vala                  |  13 +-
 src/engine/db/db-database-connection.vala      | 267 +++++++++++++++++++++
 src/engine/db/db-database.vala                 |  93 +++++---
 src/engine/db/db-result.vala                   |   6 +
 src/engine/db/db-statement.vala                |   9 +-
 src/engine/db/db-transaction-async-job.vala    |   8 +-
 src/engine/db/db-transaction-connection.vala   |  66 ++++++
 src/engine/db/db-versioned-database.vala       |   4 +-
 src/engine/db/db.vala                          |   5 +-
 src/engine/imap-db/imap-db-database.vala       |   6 +-
 src/engine/imap-db/imap-db-gc.vala             |   2 +-
 src/engine/meson.build                         |   2 +
 src/engine/util/util-logging.vala              |  45 ++--
 16 files changed, 538 insertions(+), 308 deletions(-)
---