Replace WikiExporter streaming (unbuffered) mode with batched queries
authorBill Pirkle <bpirkle@wikimedia.org>
Tue, 11 Sep 2018 22:51:01 +0000 (17:51 -0500)
committerBill Pirkle <bpirkle@wikimedia.org>
Fri, 28 Sep 2018 15:55:05 +0000 (10:55 -0500)
commit085b6e4787c3b204c4121ce18c58803c4f5efcff
tree057456532a48091db1c4e3b4683aef242253a0ec
parent92a0de2761494515883cec53f300650b0cbf77c8
Replace WikiExporter streaming (unbuffered) mode with batched queries

WikiExporter allows streaming mode, using unbuffered mode on
the database connection. We are moving away from this technique.
Instead, do multiple normal queries and retrieve the
information in batches.

Bug: T203424
Change-Id: I582240b67c91a8be993a68c23831c9d86617350e
includes/export/WikiExporter.php
includes/specials/SpecialExport.php
maintenance/includes/BackupDumper.php