# if there is a "from" date specified. It doesn't conflict with
# searching [Bug creation], because a bug's delta_ts is set to
# its creation_ts when it is created. So this just gives the
- # database an additional index to possibly choose.
- #
- # It's not safe to do it for "to" dates, though--"chfieldto" means
- # "a field that changed before this date", and delta_ts could be either
- # later or earlier than that.
+ # database an additional index to possibly choose, on a table that
+ # is smaller than bugs_activity.
if ($date_from ne '') {
push(@charts, ['delta_ts', 'greaterthaneq', $date_from]);
}
+ # It's not normally safe to do it for "to" dates, though--"chfieldto" means
+ # "a field that changed before this date", and delta_ts could be either
+ # later or earlier than that, if we're searching for the time that a field
+ # changed. However, chfieldto all by itself, without any chfieldvalue or
+ # chfield, means "just search delta_ts", and so we still want that to
+ # work.
+ if ($date_to ne '' and !@fields and $value_to eq '') {
+ push(@charts, ['delta_ts', 'lessthaneq', $date_to]);
+ }
# Basically, we construct the chart like:
#
return { chfield => $field, $ch_param => $value };
}
+ if ($field eq 'delta_ts' and $operator eq 'greaterthaneq') {
+ return { chfieldfrom => $value };
+ }
+ if ($field eq 'delta_ts' and $operator eq 'lessthaneq') {
+ return { chfieldto => $value };
+ }
+
if ($field eq 'deadline' and $operator eq 'greaterthaneq') {
return { deadlinefrom => $value };
}