version 1.200, 2016/08/14 16:13:21
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version 1.205, 2021/03/02 19:51:02
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Line 1082 sub store_updatetime {
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Line 1082 sub store_updatetime {
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$dbh->do($request); |
$dbh->do($request); |
} |
} |
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my $requested_max_packet = 0; |
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my $max_allowed_packet; |
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sub store_student_data { |
sub store_student_data { |
my ($sname,$sdom,$courseid,$student_data) = @_; |
my ($sname,$sdom,$courseid,$student_data) = @_; |
# |
# |
Line 1102 sub store_student_data {
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Line 1105 sub store_student_data {
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my $starttime = Time::HiRes::time; |
my $starttime = Time::HiRes::time; |
my $elapsed = 0; |
my $elapsed = 0; |
my $rows_stored; |
my $rows_stored; |
my $store_parameters_command = 'INSERT IGNORE INTO '.$parameters_table. |
my $store_parameters_prefix = 'INSERT IGNORE INTO '.$parameters_table. |
' VALUES '."\n"; |
' VALUES '."\n"; |
my $num_parameters = 0; |
my $num_parameters = 0; |
my $store_performance_command = 'INSERT IGNORE INTO '.$performance_table. |
my $store_performance_prefix = 'INSERT IGNORE INTO '.$performance_table. |
' VALUES '."\n"; |
' VALUES '."\n"; |
return ('error',undef) if (! defined($dbh)); |
return ('error',undef) if (! defined($dbh)); |
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unless ($requested_max_packet) { |
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(undef,$max_allowed_packet) = $dbh->selectrow_array( |
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qq{show variables LIKE ? }, |
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undef, |
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"max_allowed_packet"); |
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if ($max_allowed_packet !~ /^\d+$/) { |
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$max_allowed_packet = ''; |
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} |
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$requested_max_packet = 1; |
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} |
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my @store_parameters_values = (); |
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my $curr_params_values = ''; |
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my $curr_params_length = 0; |
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my @store_performance_values = (); |
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my $curr_perf_values = ''; |
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my $curr_perf_length = 0; |
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my ($max_param,$max_perf); |
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if ($max_allowed_packet) { |
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$max_param = $max_allowed_packet - length($store_parameters_prefix); |
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$max_perf = $max_allowed_packet - length($store_performance_prefix); |
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} |
while (my ($current_symb,$param_hash) = each(%{$student_data})) { |
while (my ($current_symb,$param_hash) = each(%{$student_data})) { |
# |
# |
# make sure the symb is set up properly |
# make sure the symb is set up properly |
Line 1120 sub store_student_data {
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Line 1144 sub store_student_data {
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$symb_id,$student_id, |
$symb_id,$student_id, |
$parameter)."',". |
$parameter)."',". |
$dbh->quote($value)."),\n"; |
$dbh->quote($value)."),\n"; |
$num_parameters ++; |
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if ($sql_parameter !~ /''/) { |
if ($sql_parameter !~ /''/) { |
$store_parameters_command .= $sql_parameter; |
if ($max_param) { |
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my $length = length($sql_parameter); |
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if ($length > $max_param) { |
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&Apache::lonnet::logthis("SQL parameter insert for student: $sname for parameter: $parameter would exceed max_allowed_packet size"); |
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&Apache::lonnet::logthis("symb_id: $symb_id"); |
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&Apache::lonnet::logthis("Skipping this item. You may want to increase the max_allowed_packet size from the current: $max_allowed_packet"); |
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next; |
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} else { |
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if ($length + $curr_params_length > $max_param) { |
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push(@store_parameters_values,$curr_params_values); |
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$curr_params_values = $sql_parameter; |
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$curr_params_length = $length; |
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} else { |
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$curr_params_values .= $sql_parameter; |
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$curr_params_length += $length; |
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} |
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} |
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} else { |
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$curr_params_values .= $sql_parameter; |
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} |
#$rows_stored++; |
#$rows_stored++; |
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$num_parameters ++; |
} |
} |
} |
} |
} |
} |
Line 1165 sub store_student_data {
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Line 1208 sub store_student_data {
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"('".join("','",$symb_id,$student_id,$part_id,$part, |
"('".join("','",$symb_id,$student_id,$part_id,$part, |
$solved,$tries,$awarded,$award, |
$solved,$tries,$awarded,$award, |
$awarddetail,$timestamp)."'),\n"; |
$awarddetail,$timestamp)."'),\n"; |
$store_performance_command .= $sql_performance; |
if ($max_perf) { |
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my $length = length($sql_performance); |
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if ($length > $max_perf) { |
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&Apache::lonnet::logthis("SQL performance insert for student: $sname would exceed max_allowed_packet size"); |
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&Apache::lonnet::logthis("symb_id: $symb_id"); |
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&Apache::lonnet::logthis("Skipping this item. You may want to increase the max_allowed_packet size from the current: $max_allowed_packet"); |
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next; |
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} else { |
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if ($length + $curr_perf_length > $max_perf) { |
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push(@store_performance_values,$curr_perf_values); |
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$curr_perf_values = $sql_performance; |
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$curr_perf_length = $length; |
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} else { |
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$curr_perf_values .= $sql_performance; |
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$curr_perf_length += $length; |
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} |
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} |
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} else { |
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$curr_perf_values .= $sql_performance; |
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} |
$rows_stored++; |
$rows_stored++; |
} |
} |
} |
} |
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if ($curr_params_values ne '') { |
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push(@store_parameters_values,$curr_params_values); |
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} |
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if ($curr_perf_values ne '') { |
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push(@store_performance_values,$curr_perf_values); |
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} |
if (! $rows_stored) { return ($returnstatus, undef); } |
if (! $rows_stored) { return ($returnstatus, undef); } |
$store_parameters_command =~ s|,\n$||; |
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$store_performance_command =~ s|,\n$||; |
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my $start = Time::HiRes::time; |
my $start = Time::HiRes::time; |
$dbh->do($store_performance_command); |
foreach my $item (@store_performance_values) { |
if ($dbh->err()) { |
$item =~ s|,\n$||; |
&Apache::lonnet::logthis('performance bigass insert error:'. |
if ($item ne '') { |
$dbh->errstr()); |
$dbh->do($store_performance_prefix.$item); |
&Apache::lonnet::logthis('command = '.$/.$store_performance_command); |
if ($dbh->err()) { |
$returnstatus = 'error: unable to insert performance into database'; |
&Apache::lonnet::logthis('performance insert error:'. |
return ($returnstatus,$student_data); |
$dbh->errstr()); |
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&Apache::lonnet::logthis('command = '.$/.$store_performance_prefix.$item); |
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$returnstatus = 'error: unable to insert performance into database'; |
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return ($returnstatus,$student_data); |
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} |
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} |
} |
} |
$dbh->do($store_parameters_command) if ($num_parameters>0); |
if ($num_parameters > 0) { |
if ($dbh->err()) { |
foreach my $item (@store_parameters_values) { |
&Apache::lonnet::logthis('parameters bigass insert error:'. |
$item =~ s|,\n$||; |
$dbh->errstr()); |
if ($item ne '') { |
&Apache::lonnet::logthis('command = '.$/.$store_parameters_command); |
$dbh->do($store_parameters_prefix.$item); |
&Apache::lonnet::logthis('rows_stored = '.$rows_stored); |
if ($dbh->err()) { |
&Apache::lonnet::logthis('student_id = '.$student_id); |
&Apache::lonnet::logthis('parameters insert error:'. |
$returnstatus = 'error: unable to insert parameters into database'; |
$dbh->errstr()); |
return ($returnstatus,$student_data); |
&Apache::lonnet::logthis('command = '.$/.$store_parameters_prefix.$item); |
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&Apache::lonnet::logthis('rows_stored = '.$rows_stored); |
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&Apache::lonnet::logthis('student_id = '.$student_id); |
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$returnstatus = 'error: unable to insert parameters into database'; |
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return ($returnstatus,$student_data); |
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} |
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} |
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} |
} |
} |
$elapsed += Time::HiRes::time - $start; |
$elapsed += Time::HiRes::time - $start; |
return ($returnstatus,$student_data); |
return ($returnstatus,$student_data); |
Line 1423 sub ensure_current_sections {
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Line 1501 sub ensure_current_sections {
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$updatetime = $tableinfo{'Update_time'}; |
$updatetime = $tableinfo{'Update_time'}; |
} |
} |
if ((!defined($updatetime)) || ($modifiedtime > $updatetime)) { |
if ((!defined($updatetime)) || ($modifiedtime > $updatetime)) { |
if (&Apache::lonmysql::drop_table($student_table)) { |
&update_student_table($cdom,$cnum); |
if (&init_dbs($courseid)) { |
} |
return "error creating $student_table\n"; |
return; |
} else { |
} |
&populate_student_table($courseid); |
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sub update_student_table { |
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my ($cdom,$cnum) = @_; |
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return unless (($cdom ne '') && ($cnum ne '')); |
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my (%roster,%sqldata); |
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my $classlist = &get_classlist($cdom,$cnum); |
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while (my ($student,$data) = each (%$classlist)) { |
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my ($section,$start,$end) = ($data->[&CL_SECTION()], |
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$data->[&CL_START()], |
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$data->[&CL_END()]); |
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if ($section eq '' || $section =~ /^\s*$/) { |
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$section = 'none'; |
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} |
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if ($start eq '') { $start = 0; } |
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if ($end eq '') { $end = 0; } |
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$roster{$student}{'section'} = $section; |
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$roster{$student}{'start'} = $start; |
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$roster{$student}{'end'} = $end; |
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} |
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my $dbh = &Apache::lonmysql::get_dbh(); |
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my $statement = "SELECT student_id,student,section,start,end FROM $student_table"; |
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my $sth = $dbh->prepare($statement); |
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$sth->execute(); |
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if ($sth->err()) { |
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&Apache::lonnet::logthis("Unable to execute MySQL request:"); |
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&Apache::lonnet::logthis("\n".$statement."\n"); |
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&Apache::lonnet::logthis("error is:".$sth->errstr()); |
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return undef; |
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} |
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foreach my $row (@{$sth->fetchall_arrayref}) { |
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my ($id,$student,$section,$start,$end) = (@$row); |
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if (ref($roster{$student}) eq 'HASH') { |
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if (($roster{$student}{'section'} ne $section) || |
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($roster{$student}{'start'} ne $start) || |
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($roster{$student}{'end'} ne $end)) { |
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$sqldata{$id} = { |
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section => $roster{$student}{'section'}, |
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start => $roster{$student}{'start'}, |
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end => $roster{$student}{'end'}, |
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}; |
} |
} |
} |
} |
} |
} |
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$sth->finish(); |
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if (keys(%sqldata)) { |
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foreach my $id (sort { $a <=> $b } keys(%sqldata)) { |
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my $request = "UPDATE $student_table SET section='$sqldata{$id}{section}'". |
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", start='$sqldata{$id}{start}'". |
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", end='$sqldata{$id}{end}' WHERE student_id='$id'"; |
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$dbh->do($request); |
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} |
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} |
return; |
return; |
} |
} |
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Line 1629 sub get_problem_statistics {
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Line 1755 sub get_problem_statistics {
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# |
# |
$request = 'SELECT MAX(tries),MIN(tries) FROM '.$stats_table. |
$request = 'SELECT MAX(tries),MIN(tries) FROM '.$stats_table. |
' WHERE awarded>0'; |
' WHERE awarded>0'; |
if (defined($time_requirements)) { |
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$request .= ' AND '.$time_requirements; |
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} |
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my ($max,$min) = &execute_SQL_request($dbh,$request); |
my ($max,$min) = &execute_SQL_request($dbh,$request); |
# |
# |
$request = 'SELECT SUM(awarded) FROM '.$stats_table; |
$request = 'SELECT SUM(awarded) FROM '.$stats_table; |
if (defined($time_requirements)) { |
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$request .= ' AND '.$time_requirements; |
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} |
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my ($Solved) = &execute_SQL_request($dbh,$request); |
my ($Solved) = &execute_SQL_request($dbh,$request); |
# |
# |
$request = 'SELECT SUM(awarded) FROM '.$stats_table. |
$request = 'SELECT SUM(awarded) FROM '.$stats_table. |
" WHERE solved='correct_by_override'"; |
" WHERE solved='correct_by_override'"; |
if (defined($time_requirements)) { |
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$request .= ' AND '.$time_requirements; |
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} |
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my ($solved) = &execute_SQL_request($dbh,$request); |
my ($solved) = &execute_SQL_request($dbh,$request); |
# |
# |
$Solved -= $solved; |
$Solved -= $solved; |
Line 1727 sub populate_weight_table {
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Line 1844 sub populate_weight_table {
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my @resources; |
my @resources; |
foreach my $seq (@sequences) { |
foreach my $seq (@sequences) { |
push(@resources,$navmap->retrieveResources($seq, |
push(@resources,$navmap->retrieveResources($seq, |
sub {shift->is_problem();}, |
sub {shift->is_gradable();}, |
0,0,0)); |
0,0,0)); |
} |
} |
if (! scalar(@resources)) { |
if (! scalar(@resources)) { |
Line 1885 sub rank_students_by_scores_on_resources
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Line 2002 sub rank_students_by_scores_on_resources
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$limits =~ s/( AND )$//; # Remove extra conjunction |
$limits =~ s/( AND )$//; # Remove extra conjunction |
$request .= "WHERE $limits"; |
$request .= "WHERE $limits"; |
} |
} |
$request .= " $award_clause GROUP BY a.student_id ORDER BY score"; |
$request .= " $award_clause GROUP BY a.student_id ORDER BY score, b.student"; |
#&Apache::lonnet::logthis('request = '.$/.$request); |
#&Apache::lonnet::logthis('request = '.$/.$request); |
my $sth = $dbh->prepare($request) or die "Can't prepare $request"; |
my $sth = $dbh->prepare($request) or die "Can't prepare $request"; |
$sth->execute(); |
$sth->execute(); |