version 1.149, 2005/07/14 02:28:25
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version 1.154, 2006/02/05 19:10:19
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Line 869 sub populate_student_table {
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Line 869 sub populate_student_table {
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my $dbh = &Apache::lonmysql::get_dbh(); |
my $dbh = &Apache::lonmysql::get_dbh(); |
my $request = 'INSERT IGNORE INTO '.$student_table. |
my $request = 'INSERT IGNORE INTO '.$student_table. |
"(student,section,status) VALUES "; |
"(student,section,status) VALUES "; |
my $classlist = &get_classlist($courseid); |
my $cdom = $env{'course.'.$courseid.'.domain'}; |
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my $cnum = $env{'course.'.$courseid.'.num'}; |
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my $classlist = &get_classlist($cdom,$cnum); |
my $student_count=0; |
my $student_count=0; |
while (my ($student,$data) = each %$classlist) { |
while (my ($student,$data) = each %$classlist) { |
my ($section,$status) = ($data->[&CL_SECTION()], |
my ($section,$status) = ($data->[&CL_SECTION()], |
Line 1289 sub store_student_data {
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Line 1291 sub store_student_data {
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while (my ($parameter,$value) = each(%$param_hash)) { |
while (my ($parameter,$value) = each(%$param_hash)) { |
next if ($parameter !~ /^resource\.(.*)\.(solved|awarded)$/); |
next if ($parameter !~ /^resource\.(.*)\.(solved|awarded)$/); |
my $part = $1; |
my $part = $1; |
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next if ($part =~ /\./); |
next if (exists($stored{$part})); |
next if (exists($stored{$part})); |
$stored{$part}++; |
$stored{$part}++; |
# |
# |
Line 1870 sub execute_SQL_request {
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Line 1873 sub execute_SQL_request {
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my ($dbh,$request)=@_; |
my ($dbh,$request)=@_; |
# &Apache::lonnet::logthis($request); |
# &Apache::lonnet::logthis($request); |
my $sth = $dbh->prepare($request); |
my $sth = $dbh->prepare($request); |
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if (!$sth) { |
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die($dbh->errstr . " SQL: $request"); |
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} |
$sth->execute(); |
$sth->execute(); |
my $row = $sth->fetchrow_arrayref(); |
my $row = $sth->fetchrow_arrayref(); |
if (ref($row) eq 'ARRAY' && scalar(@$row)>0) { |
if (ref($row) eq 'ARRAY' && scalar(@$row)>0) { |
Line 2027 Inputs:
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Line 2033 Inputs:
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$Sections: array ref of sections to include, |
$Sections: array ref of sections to include, |
$enrollment: string, |
$enrollment: string, |
$courseid (may be omitted) |
$courseid (may be omitted) |
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$starttime (may be omitted) |
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$endtime (may be omitted) |
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$has_award_for (may be omitted) |
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Returns; An array of arrays. The sub arrays contain a student name and |
Returns; An array of arrays. The sub arrays contain a student name and |
their score on the resources. |
their score on the resources. $starttime and $endtime constrain the |
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list to awards obtained during the given time limits. $has_score_on |
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constrains the list to those students who at least attempted the |
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resource identified by the given symb, which is used to filter out |
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such students for statistics that would be adversely affected by such |
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students. |
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=cut |
=cut |
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Line 2039 sub RNK_student { return 0; };
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Line 2053 sub RNK_student { return 0; };
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sub RNK_score { return 1; }; |
sub RNK_score { return 1; }; |
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sub rank_students_by_scores_on_resources { |
sub rank_students_by_scores_on_resources { |
my ($resources,$Sections,$enrollment,$courseid,$starttime,$endtime) = @_; |
my ($resources,$Sections,$enrollment,$courseid,$starttime,$endtime,$has_award_for) = @_; |
return if (! defined($resources) || ! ref($resources) eq 'ARRAY'); |
return if (! defined($resources) || ! ref($resources) eq 'ARRAY'); |
if (! defined($courseid)) { |
if (! defined($courseid)) { |
$courseid = $env{'request.course.id'}; |
$courseid = $env{'request.course.id'}; |
Line 2052 sub rank_students_by_scores_on_resources
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Line 2066 sub rank_students_by_scores_on_resources
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my $symb_limits = '('.join(' OR ',map {'a.symb_id='.&get_symb_id($_); |
my $symb_limits = '('.join(' OR ',map {'a.symb_id='.&get_symb_id($_); |
} @$resources |
} @$resources |
).')'; |
).')'; |
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my ($award_col, $award_join, $award_clause) = ('', '', ''); |
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if ($has_award_for) |
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{ |
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my $resource_id = &get_symb_id($has_award_for); |
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$award_col = ", perf.awarded"; |
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$award_join = "LEFT JOIN $performance_table AS perf ON perf.symb_id" |
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." = $resource_id AND perf.student_id = b.student_id "; |
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$award_clause = "AND perf.awarded IS NOT NULL"; |
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} |
my $time_limits = &limit_by_start_end_time($starttime,$endtime,'a'); |
my $time_limits = &limit_by_start_end_time($starttime,$endtime,'a'); |
my $request = 'SELECT b.student,SUM(a.awarded*w.weight) AS score FROM '. |
my $request = "SELECT b.student,SUM(a.awarded*w.weight) AS score " |
$performance_table.' AS a '. |
."$award_col FROM $performance_table AS a ". |
'NATURAL LEFT JOIN '.$weight_table.' AS w '. |
"NATURAL LEFT JOIN $weight_table AS w ". |
'LEFT JOIN '.$student_table.' AS b ON a.student_id=b.student_id '. |
"LEFT JOIN $student_table AS b ON a.student_id=b.student_id ". |
'WHERE '; |
"$award_join WHERE "; |
if (defined($section_limits)) { |
if (defined($section_limits)) { |
$request .= $section_limits.' AND '; |
$request .= $section_limits.' AND '; |
} |
} |
Line 2072 sub rank_students_by_scores_on_resources
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Line 2095 sub rank_students_by_scores_on_resources
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} |
} |
$request =~ s/( AND )$//; # Remove extra conjunction |
$request =~ s/( AND )$//; # Remove extra conjunction |
$request =~ s/( WHERE )$//; # In case there were no limits placed on it |
$request =~ s/( WHERE )$//; # In case there were no limits placed on it |
$request .= ' GROUP BY a.student_id ORDER BY score'; |
$request .= " $award_clause GROUP BY a.student_id ORDER BY score"; |
#&Apache::lonnet::logthis('request = '.$/.$request); |
#&Apache::lonnet::logthis('request = '.$/.$request); |
my $sth = $dbh->prepare($request); |
my $sth = $dbh->prepare($request) or die "Can't prepare $request"; |
$sth->execute(); |
$sth->execute(); |
my $rows = $sth->fetchall_arrayref(); |
my $rows = $sth->fetchall_arrayref(); |
return ($rows); |
return ($rows); |
Line 2209 sub score_stats {
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Line 2232 sub score_stats {
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# &Apache::lonnet::logthis('request = '.$/.$request); |
# &Apache::lonnet::logthis('request = '.$/.$request); |
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$request = 'SELECT SUM(weight) FROM '.$weight_table. |
$request = 'SELECT SUM(weight) FROM '.$weight_table. |
' WHERE ('.$symb_restriction.')'; |
' AS a WHERE ('.$symb_restriction.')'; |
my ($max_possible) = &execute_SQL_request($dbh,$request); |
my ($max_possible) = &execute_SQL_request($dbh,$request); |
# &Apache::lonnet::logthis('request = '.$/.$request); |
# &Apache::lonnet::logthis('request = '.$/.$request); |
return($min,$max,$ave,$std,$count,$max_possible); |
return($min,$max,$ave,$std,$count,$max_possible); |
Line 2258 sub count_stats {
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Line 2281 sub count_stats {
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$request = |
$request = |
'CREATE TEMPORARY TABLE '.$stats_table.' '. |
'CREATE TEMPORARY TABLE '.$stats_table.' '. |
'SELECT a.student_id,'. |
'SELECT a.student_id,'. |
'COUNT(a.award) AS count FROM '. |
'SUM(a.awarded) AS count FROM '. |
$performance_table.' AS a '. |
$performance_table.' AS a '. |
'LEFT JOIN '.$student_table.' AS b ON a.student_id=b.student_id '. |
'LEFT JOIN '.$student_table.' AS b ON a.student_id=b.student_id '. |
'WHERE ('.$symb_restriction.')'. |
'WHERE ('.$symb_restriction.')'; |
" AND a.award!='INCORRECT_ATTEMPTED'"; |
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if ($time_limits) { |
if ($time_limits) { |
$request .= ' AND '.$time_limits; |
$request .= ' AND '.$time_limits; |
} |
} |
Line 2697 Retrieve the classist of a given class o
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Line 2719 Retrieve the classist of a given class o
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information is returned from the classlist.db file and, if needed, |
information is returned from the classlist.db file and, if needed, |
from the students environment. |
from the students environment. |
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Optional arguments are $cid, $cdom, and $cnum (course id, course domain, |
Optional arguments are $cdom, and $cnum (course domain, |
and course number, respectively). Any omitted arguments will be taken |
and course number, respectively). If either is ommitted the course |
from the current environment ($env{'request.course.id'}, |
will be taken from the current environment ($env{'request.course.id'}, |
$env{'course.'.$cid.'.domain'}, and $env{'course.'.$cid.'.num'}). |
$env{'course.'.$cid.'.domain'}, and $env{'course.'.$cid.'.num'}). |
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Returns a reference to a hash which contains: |
Returns a reference to a hash which contains: |
Line 2727 sub CL_TYPE { return 8; }
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Line 2749 sub CL_TYPE { return 8; }
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sub CL_LOCKEDTYPE { return 9; } |
sub CL_LOCKEDTYPE { return 9; } |
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sub get_classlist { |
sub get_classlist { |
my ($cid,$cdom,$cnum) = @_; |
my ($cdom,$cnum) = @_; |
$cid = $cid || $env{'request.course.id'}; |
my $cid = $cdom.'_'.$cnum; |
$cdom = $cdom || $env{'course.'.$cid.'.domain'}; |
if (!defined($cdom) || !defined($cnum)) { |
$cnum = $cnum || $env{'course.'.$cid.'.num'}; |
$cid = $env{'request.course.id'}; |
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$cdom = $env{'course.'.$cid.'.domain'}; |
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$cnum = $env{'course.'.$cid.'.num'}; |
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} |
my $now = time; |
my $now = time; |
# |
# |
my %classlist=&Apache::lonnet::dump('classlist',$cdom,$cnum); |
my %classlist=&Apache::lonnet::dump('classlist',$cdom,$cnum); |