version 1.94, 2003/09/30 15:35:56
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version 1.102, 2003/10/07 15:30:09
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Line 711 sub init_dbs {
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Line 711 sub init_dbs {
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{ name => 'transaction', |
{ name => 'transaction', |
type => 'MEDIUMINT UNSIGNED', |
type => 'MEDIUMINT UNSIGNED', |
restrictions => 'NOT NULL' }, |
restrictions => 'NOT NULL' }, |
{ name => 'tries', |
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type => 'SMALLINT UNSIGNED', |
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restrictions => 'NOT NULL' }, |
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{ name => 'awarddetail', |
{ name => 'awarddetail', |
type => 'TINYTEXT' }, |
type => 'TINYTEXT' }, |
# { name => 'message', |
# { name => 'message', |
Line 1072 sub get_student {
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Line 1069 sub get_student {
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=pod |
=pod |
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=item &clear_internal_caches() |
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Causes the internal caches used in get_student_id, get_student, |
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get_symb_id, get_symb, get_part_id, and get_part to be undef'd. |
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Needs to be called before the first operation with the MySQL database |
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for a given Apache request. |
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=cut |
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################################################ |
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################################################ |
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sub clear_internal_caches { |
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$have_read_part_table = 0; |
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undef(%ids_by_part); |
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undef(%parts_by_id); |
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$have_read_symb_table = 0; |
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undef(%ids_by_symb); |
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undef(%symbs_by_id); |
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$have_read_student_table = 0; |
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undef(%ids_by_student); |
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undef(%students_by_id); |
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} |
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################################################ |
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################################################ |
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=pod |
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=item &update_full_student_data($sname,$sdom,$courseid) |
=item &update_full_student_data($sname,$sdom,$courseid) |
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Does a lonnet::dump on a student to populate the courses tables. |
Does a lonnet::dump on a student to populate the courses tables. |
Line 1149 sub update_full_student_data {
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Line 1176 sub update_full_student_data {
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# We can deal with 'timestamp' right away |
# We can deal with 'timestamp' right away |
my @timestamp_storage = ($symb_id,$student_id, |
my @timestamp_storage = ($symb_id,$student_id, |
$transaction,$value); |
$transaction,$value); |
my $store_command = 'INSERT INTO '.$fulldump_timestamp_table. |
my $store_command = 'INSERT IGNORE INTO '.$fulldump_timestamp_table. |
" VALUES ('".join("','",@timestamp_storage)."');"; |
" VALUES ('".join("','",@timestamp_storage)."');"; |
$dbh->do($store_command); |
$dbh->do($store_command); |
if ($dbh->err()) { |
if ($dbh->err()) { |
Line 1185 sub update_full_student_data {
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Line 1212 sub update_full_student_data {
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} |
} |
# deal with response specific data |
# deal with response specific data |
if (defined($resp_id) && |
if (defined($resp_id) && |
$field =~ /^(tries| |
$field =~ /^(awarddetail| |
awarddetail| |
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submission| |
submission| |
submissiongrading| |
submissiongrading| |
molecule)$/x) { |
molecule)$/x) { |
Line 1196 sub update_full_student_data {
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Line 1222 sub update_full_student_data {
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# However, there is one wrinkle: submissions which end in |
# However, there is one wrinkle: submissions which end in |
# and odd number of '\' cause insert errors to occur. |
# and odd number of '\' cause insert errors to occur. |
# Best trap this somehow... |
# Best trap this somehow... |
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$value =~ s/\'/\\\'/g; |
my ($offensive_string) = ($value =~ /(\\+)$/); |
my ($offensive_string) = ($value =~ /(\\+)$/); |
if (length($offensive_string) % 2) { |
if (length($offensive_string) % 2) { |
$value =~ s/\\$/\\\\/; |
$value =~ s/\\$/\\\\/; |
Line 1213 sub update_full_student_data {
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Line 1240 sub update_full_student_data {
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} |
} |
## |
## |
## Store the part data |
## Store the part data |
my $store_command = 'INSERT INTO '.$fulldump_part_table. |
my $store_command = 'INSERT IGNORE INTO '.$fulldump_part_table. |
' VALUES '."\n"; |
' VALUES '."\n"; |
my $store_rows = 0; |
my $store_rows = 0; |
while (my ($symb_id,$hash1) = each (%$partdata)) { |
while (my ($symb_id,$hash1) = each (%$partdata)) { |
Line 1241 sub update_full_student_data {
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Line 1268 sub update_full_student_data {
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} |
} |
## |
## |
## Store the response data |
## Store the response data |
$store_command = 'INSERT INTO '.$fulldump_response_table. |
$store_command = 'INSERT IGNORE INTO '.$fulldump_response_table. |
' VALUES '."\n"; |
' VALUES '."\n"; |
$store_rows = 0; |
$store_rows = 0; |
while (my ($symb_id,$hash1) = each (%$respdata)) { |
while (my ($symb_id,$hash1) = each (%$respdata)) { |
Line 1251 sub update_full_student_data {
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Line 1278 sub update_full_student_data {
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$store_command .= "('".join("','",$symb_id,$part_id, |
$store_command .= "('".join("','",$symb_id,$part_id, |
$resp_id,$student_id, |
$resp_id,$student_id, |
$transaction, |
$transaction, |
$data->{'tries'}, |
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$data->{'awarddetail'}, |
$data->{'awarddetail'}, |
$data->{'response_specific'}, |
$data->{'response_specific'}, |
$data->{'response_specific_value'}, |
$data->{'response_specific_value'}, |
Line 1353 sub update_student_data {
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Line 1379 sub update_student_data {
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my @Results = &store_student_data($sname,$sdom,$courseid,\%student_data); |
my @Results = &store_student_data($sname,$sdom,$courseid,\%student_data); |
# |
# |
# Set the students update time |
# Set the students update time |
&Apache::lonmysql::replace_row($studentdata_table, |
if ($Results[0] eq 'okay') { |
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&Apache::lonmysql::replace_row($studentdata_table, |
[$student_id,$time_of_retrieval,undef,undef,undef]); |
[$student_id,$time_of_retrieval,undef,undef,undef]); |
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} |
# |
# |
return @Results; |
return @Results; |
} |
} |
Line 1379 sub store_student_data {
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Line 1407 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 $store_parameters_command = 'INSERT INTO '.$parameters_table. |
my $store_parameters_command = 'INSERT IGNORE INTO '.$parameters_table. |
' VALUES '."\n"; |
' VALUES '."\n"; |
my $num_parameters = 0; |
my $num_parameters = 0; |
my $store_performance_command = 'INSERT INTO '.$performance_table. |
my $store_performance_command = 'INSERT IGNORE INTO '.$performance_table. |
' VALUES '."\n"; |
' VALUES '."\n"; |
return ('error',undef) if (! defined($dbh)); |
return ('error',undef) if (! defined($dbh)); |
while (my ($current_symb,$param_hash) = each(%{$student_data})) { |
while (my ($current_symb,$param_hash) = each(%{$student_data})) { |
Line 1678 sub get_student_data_from_performance_ca
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Line 1706 sub get_student_data_from_performance_ca
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$studentdata->{$symb}->{$base.'.awarddetail'} = $awarddetail; |
$studentdata->{$symb}->{$base.'.awarddetail'} = $awarddetail; |
$studentdata->{$symb}->{'timestamp'} = $time if (defined($time) && $time ne ''); |
$studentdata->{$symb}->{'timestamp'} = $time if (defined($time) && $time ne ''); |
} |
} |
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## Get misc parameters |
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$request = 'SELECT c.symb,a.parameter,a.value '. |
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"FROM $student_table AS b ". |
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"LEFT JOIN $parameters_table AS a ON b.student_id=a.student_id ". |
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"LEFT JOIN $symb_table AS c ON c.symb_id = a.symb_id ". |
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"WHERE student='$student'"; |
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if (defined($symb) && $symb ne '') { |
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$request .= " AND c.symb=".$dbh->quote($symb); |
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} |
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$sth = $dbh->prepare($request); |
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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".$request."\n"); |
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&Apache::lonnet::logthis("error is:".$sth->errstr()); |
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if (defined($symb) && $symb ne '') { |
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$studentdata = $studentdata->{$symb}; |
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} |
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return $studentdata; |
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} |
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# |
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foreach my $row (@{$sth->fetchall_arrayref}) { |
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$rows_retrieved++; |
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my ($symb,$parameter,$value) = (@$row); |
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$studentdata->{$symb}->{$parameter} = $value; |
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} |
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# |
if (defined($symb) && $symb ne '') { |
if (defined($symb) && $symb ne '') { |
$studentdata = $studentdata->{$symb}; |
$studentdata = $studentdata->{$symb}; |
} |
} |
Line 1825 sub get_problem_statistics {
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Line 1880 sub get_problem_statistics {
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return if (! defined($symb) || ! defined($part)); |
return if (! defined($symb) || ! defined($part)); |
$courseid = $ENV{'request.course.id'} if (! defined($courseid)); |
$courseid = $ENV{'request.course.id'} if (! defined($courseid)); |
# |
# |
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&setup_table_names($courseid); |
my $symb_id = &get_symb_id($symb); |
my $symb_id = &get_symb_id($symb); |
my $part_id = &get_part_id($part); |
my $part_id = &get_part_id($part); |
my $stats_table = $courseid.'_problem_stats'; |
my $stats_table = $courseid.'_problem_stats'; |
Line 1931 sub execute_SQL_request {
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Line 1987 sub execute_SQL_request {
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return (); |
return (); |
} |
} |
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sub get_optionresponse_data { |
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my ($students,$symb,$response,$courseid) = @_; |
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return if (! defined($symb) || |
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! defined($response)); |
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$courseid = $ENV{'request.course.id'} if (! defined($courseid)); |
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# |
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&setup_table_names($courseid); |
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my $symb_id = &get_symb_id($symb); |
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my $response_id = &get_part_id($response); |
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# |
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my $dbh = &Apache::lonmysql::get_dbh(); |
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return undef if (! defined($dbh)); |
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my $request = 'SELECT '. |
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'a.response_specific_value, a.submission, b.timestamp, c.tries '. |
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'FROM '.$fulldump_response_table.' AS a '. |
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'LEFT JOIN '.$fulldump_timestamp_table.' AS b '. |
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'ON a.symb_id=b.symb_id AND a.student_id=b.student_id AND '. |
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'a.transaction = b.transaction '. |
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'LEFT JOIN '.$fulldump_part_table.' AS c '. |
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'ON a.symb_id=c.symb_id AND a.student_id=c.student_id AND '. |
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'a.part_id=c.part_id AND a.transaction = c.transaction '. |
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'WHERE '. |
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'a.symb_id='.$symb_id.' AND a.response_id='.$response_id; |
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if (defined($students)) { |
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$request .= ' AND ('. |
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join(' OR ', map {'student_id='. |
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&get_student_id($_->{'username'}, |
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$_->{'domain'}) |
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} @$students |
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).')'; |
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} |
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$request .= ' ORDER BY b.timestamp'; |
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&Apache::lonnet::logthis("request =\n".$request); |
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my $sth = $dbh->prepare($request); |
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$sth->execute(); |
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my $dataset = $sth->fetchall_arrayref(); |
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if (ref($dataset) eq 'ARRAY' && scalar(@$dataset)>0) { |
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return @$dataset; |
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} |
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} |
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################################################ |
################################################ |
################################################ |
################################################ |