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-rw-r--r--Bugzilla/DB/Schema/Mysql.pm3
1 files changed, 3 insertions, 0 deletions
diff --git a/Bugzilla/DB/Schema/Mysql.pm b/Bugzilla/DB/Schema/Mysql.pm
index a68c7c90d..8c9ea2dda 100644
--- a/Bugzilla/DB/Schema/Mysql.pm
+++ b/Bugzilla/DB/Schema/Mysql.pm
@@ -43,6 +43,9 @@ use base qw(Bugzilla::DB::Schema);
# that should be interpreted as a BOOLEAN instead of as an INT1 when
# reading in the Schema from the disk. The values are discarded; I just
# used "1" for simplicity.
+#
+# THIS CONSTANT IS ONLY USED FOR UPGRADES FROM 2.18 OR EARLIER. DON'T
+# UPDATE IT TO MODERN COLUMN NAMES OR DEFINITIONS.
use constant BOOLEAN_MAP => {
bugs => {everconfirmed => 1, reporter_accessible => 1,
cclist_accessible => 1, qacontact_accessible => 1,