I have a sql_query plugin for a irc bot. It will perform preconfigured sql queries, I want to extend it so users can specify a time range and query. I need to match time range provided by a user to a series of change records. It needs to match any changes start_time through end_time to the user provided range. The solution may be more of a sql issue. What I have now (not completely tested) will match any change that has a start_time or end_time w/in the user provided range but it will miss any records that both start and end out side the range provided by the user. Input is expected to be in this format () = optional: yr-mo-dd (hr:min:sec) - yr-mo-dd (hr:min:sec) search term (Updated) Using MySql and DBI. Great responses, thanks. 
$start_time_field='start_time';
$end_time_field='end_time';
$search = "yr-mo-dd (hr:min:sec) - yr-mo-dd (hr:min:sec) search term";
trim($search); # removes white space and non printables
my $date_field_start = $public_handlers{$cmd}->{'args'}->{'date_field_
+start'};
my $date_field_end = $public_handlers{$cmd}->{'args'}->{'date_field_en
+d'}; 
my $description_field = $public_handlers{$cmd}->{'args'}->{'descriptio
+n_field'}; 
($date1,$date2)=split / - /, $search;
($datetime_start) = $date1 =~ /(\d\d-\d\d-\d\d \(\d\d;\d\d:\d\d\))|(\d
+\d-\d\d-\d\d)/;
($datetime_end) = $date2 =~ /(\d\d-\d\d-\d\d \(\d\d;\d\d:\d\d\))|(\d\d
+-\d\d-\d\d)/;
($search_term) = $date2 =~ /\d\d-\d\d-\d\d \(\d\d;\d\d:\d\d\)(.+)|\d\d
+-\d\d-\d\d (.+)/;
if ($datetime_start !~ /\d\d:\d\d:\d\d/) {$datetime_start = $datetime_
+start . " 00:00:00"};
if ($datetime_end !~ /\d\d:\d\d:\d\d/) {$datetime_end = $datetime_end 
+. " 23:59:59"};
$query = "SELECT * FROM $table WHERE $description_field LIKE '%$search
+_term%' and $start_time_field or $end_time_field between '$datetime_s
+tart' and '$datetime_end' ";

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In reply to Trying to select all records that match a datetime range. by swares

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