version 1.81, 2003/07/14 13:10:39
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version 1.81.2.2, 2003/10/03 15:33:25
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Line 872 sub get_student {
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Line 872 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_student_data() |
=item &update_student_data() |
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Input: $sname, $sdom, $courseid |
Input: $sname, $sdom, $courseid |
Line 1165 sub get_student_data_from_performance_ca
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Line 1195 sub get_student_data_from_performance_ca
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$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}; |
} |
} |