MDL-59774 analytics: Fix sql_compare_text usage
authorDavid Monllao <david.monllao@gmail.com>
Wed, 9 Aug 2017 06:55:19 +0000 (08:55 +0200)
committerDavid Monllao <davidm@moodle.com>
Mon, 14 Aug 2017 05:56:06 +0000 (07:56 +0200)
commit88777c570c03816f57b65303379894dc7c0322ea
tree3a437bd39aa566585a3447f70fbeaf4bb1df1e0b
parentf3625f47c53af075df8d104d1495a0c451f30b64
MDL-59774 analytics: Fix sql_compare_text usage

Replace a distinct + join by an exists, which suits better what we need to do.
analytics/classes/manager.php