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Diff for /loncom/interface/lonmysql.pm between versions 1.4 and 1.5

version 1.4, 2002/08/05 12:43:18 version 1.5, 2002/08/09 17:08:19
Line 481  sub update_table_info { Line 481  sub update_table_info {
     # Determine the column order      # Determine the column order
     #      #
     $db_command = "DESCRIBE $tablename";      $db_command = "DESCRIBE $tablename";
     my $sth = $dbh->prepare($db_command);      $sth = $dbh->prepare($db_command);
     $sth->execute();      $sth->execute();
     if ($sth->err) {      if ($sth->err) {
         $errorstring = "$dbh ATTEMPTED:\n".$db_command."\nRESULTING ERROR:\n".          $errorstring = "$dbh ATTEMPTED:\n".$db_command."\nRESULTING ERROR:\n".
Line 609  Used internally to prevent table name co Line 609  Used internally to prevent table name co
 ###############################  ###############################
 sub get_new_table_id {  sub get_new_table_id {
     my $newid = 0;      my $newid = 0;
     my $name_regex = '^'.$ENV{'user.name'}.'_'.$ENV{'user.domain'}."_(\d+)\$";  
     my @tables = &tables_in_db();      my @tables = &tables_in_db();
     foreach (@tables) {      foreach (@tables) {
         if (/^$ENV{'user.name'}_$ENV{'user.domain'}_(\d+)$/) {          if (/^$ENV{'user.name'}_$ENV{'user.domain'}_(\d+)$/) {
Line 738  Returns undef on error. Line 737  Returns undef on error.
 ###########################################  ###########################################
 sub tables_in_db {  sub tables_in_db {
     return undef if (!defined(&connect_to_db()));      return undef if (!defined(&connect_to_db()));
     my $sth=$dbh->prepare('SHOW TABLES;');      my $sth=$dbh->prepare('SHOW TABLES');
     $sth->execute();      $sth->execute();
     if ($sth->err) {      if ($sth->err) {
         $errorstring = "$dbh ATTEMPTED:\n".'SHOW TABLES'.          $errorstring = "$dbh ATTEMPTED:\n".'SHOW TABLES'.
Line 808  sub check_table { Line 807  sub check_table {
     return $result;      return $result;
 }  }
   
   ###########################################
   
   =pod
   
   =item &remove_from_table($table_id,$column,$value)
   
   Executes a "delete from $tableid where $column like binary '$value'".
   
   =cut
   
   ###########################################
   sub remove_from_table {
       my ($table_id,$column,$value) = @_;
       return undef if (!defined(&connect_to_db()));
       #
       $table_id = &translate_id($table_id);
       my $command = 'DELETE FROM '.$table_id.' WHERE '.$dbh->quote($column).
           " LIKE BINARY ".$dbh->quote($value);
       my $sth = $dbh->prepare($command); 
       $sth->execute();
       if ($sth->err) {
           $errorstring = "ERROR on execution of ".$command."\n".$sth->errstr;
           return undef;
       }
       my $rows = $sth->rows;
       return $rows;
   }
   
   
 1;  1;
   
 __END__;  __END__;
   
   =pod
   
   =back
   
   =cut
Removed from v.1.4  
changed lines
  Added in v.1.5

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