/[SQL2XLS]/sql2xlsx.cgi
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revision 2 by dpavlin, Mon Mar 24 15:57:14 2008 UTC revision 14 by dpavlin, Mon Nov 3 20:42:55 2008 UTC
# Line 1  Line 1 
1  #!/usr/bin/perl -w  #!/usr/bin/perl -T
2  #  use warnings;
 # convert sql queries on file system to excel file (one query per  
 # sheet)  
 #  
 # Dobrica Pavlinsic <dpavlin@rot13.org>, 2002-04-10  
   
3  use strict;  use strict;
4    
5    =head1 NAME
6    
7    sql2xls.pl - convert sql queries on file system to Excel file
8    
9    =head1 USAGE
10    
11    Each file in current directory which ends in C<*.sql> will
12    be converted to Excel sheet. If you want to have specific order, you can
13    prefix filenames with numbers which will be striped when creating sheet
14    names.
15    
16    Comments in sql files (lines beginning with C<-->) will be placed
17    in first line in bold.
18    
19    To specify database on which SQL query is executed
20    C<\c database> syntax is supported.
21    
22    You can also run script from command line, and it will produce
23    C<sql_reports.xls> file.
24    
25    If run within directory, it will use files in it to produce file.
26    
27    When called as CGI, directory name can be appended to name of script
28    to produce report for any sub-directory within directory where
29    C<sql2xls.cgi> is installed.
30    
31    =head1 INSTALLATION
32    
33    Only required file is this script C<< sql2xls.cgi >>
34    
35    If your server is configured to execute C<.cgi> files, you can
36    drop this script anywhere, but you can also add something like
37    
38       ScriptAlias /xls-reports /srv/SQL2XLS/sql2xls.cgi
39    
40    in Apache's virtual host configuration to get nice URLs
41    
42    To configure default database, user, password and other settings create
43    C<config.pl> file in same directory in which C<sql2xls.cgi> is with something
44    like this:
45    
46      $dsn      = 'DBI:mysql:dbname=';
47      $database = 'database';
48      $user     = 'user';
49      $passwd   = 'password';
50      $path     = 'sql_reports.xls';
51    
52      $db_encoding     = 'utf-8';
53      $xls_date_format = 'dd.mm.yyyy';
54    
55      $debug = 1;
56    
57    =head1 SECURITY
58    
59    There is none. Use apache auth modules if you need it.
60    
61    =head1 AUTHOR
62    
63    Dobrica Pavlinusic, dpavlin@rot13.org, L<http://svn.rot13.org/index.cgi/SQL2XLS/>
64    
65    =cut
66    
67  use Spreadsheet::WriteExcel;  use Spreadsheet::WriteExcel;
68  use DBI;  use DBI;
69  use CGI::Carp qw(fatalsToBrowser);  use CGI::Carp qw(fatalsToBrowser);
 use CGI qw(path_translated);  
70  use Encode qw/decode/;  use Encode qw/decode/;
71    use Data::Dump qw/dump/;
72    
73    # edit following to set defaults
74    our $dsn      = 'DBI:Pg:dbname=';
75    our $database = 'template1';
76    our $user     = 'dpavlin';
77    our $passwd   = '';
78    our $path     = 'sql_reports.xls';
79    
80  # Connect to DB  our $db_encoding     = 'iso-8859-2';
81  my $connect = "DBI:Pg:dbname=new";  our $xls_date_format = 'dd.mm.yyyy';
 my $user = "web";  
 my $passwd = "";  
82    
83  my $debug = 1;  our $debug = 1;
84    
85  my $sql_dir = path_translated || '.';  my $sql_dir = $ENV{SCRIPT_FILENAME} || '.';
86  $sql_dir =~ s,/[^/]+$,,;  $sql_dir =~ s,/[^/]+$,,;
87    
88    my $config_path = "$sql_dir/config.pl";
89    warn "# using $config_path\n";
90    require $config_path if -e $config_path;
91    
92    my $reports_path = $ENV{PATH_INFO};
93    $reports_path =~ s/\.\.//g; # some protection against path exploits
94    $reports_path ||= shift @ARGV; # for CLI invocation
95    $sql_dir .= "/$reports_path" if -e "$sql_dir/$reports_path";
96    
97    warn "# reading SQL queries from $sql_dir\n" if $debug;
98    
99  opendir(DIR, $sql_dir) || die "can't opendir $sql_dir: $!";  opendir(DIR, $sql_dir) || die "can't opendir $sql_dir: $!";
100  my @sql_files = sort grep { /\.sql$/i && -f "$sql_dir/$_" } readdir(DIR);  my @sql_files = sort grep { /\.sql$/i && -f "$sql_dir/$_" } readdir(DIR);
101  closedir DIR;  closedir DIR;
102    
103  my $workbook;  my $workbook;
104  if ($0 =~ m/\.cgi$/i) {  if ($ENV{GATEWAY_INTERFACE} && $ENV{GATEWAY_INTERFACE} =~ m/CGI/i) {
105          # use as cgi script          # use as cgi script
106          print "Content-type: application/vnd.ms-excel\n\n";          print "Content-type: application/vnd.ms-excel\n\n";
107          $workbook = Spreadsheet::WriteExcel->new("-");          $workbook = Spreadsheet::WriteExcel->new("-");
108  } else {  } else {
109          # Create a new Excel workbook          # Create a new Excel workbook
110          $workbook = Spreadsheet::WriteExcel->new("sql_result.xls");          $workbook = Spreadsheet::WriteExcel->new( $path );
111            warn "Creating XLS file $path\n";
112  }  }
113    
114  my $dbh = DBI->connect($connect,$user,$passwd) || die $DBI::errstr;  my $date_format = $workbook->add_format(num_format => $xls_date_format);
115    
116    my $dbh = DBI->connect($dsn . $database,$user,$passwd, { RaiseError => 1, AutoCommit => 0 }) || die $DBI::errstr;
117    
118  sub _c {  sub _c {
119          return decode('iso-8859-2', shift);          return decode( $db_encoding, shift );
120  }  }
121    
122  foreach my $sql_file (@sql_files) {  foreach my $sql_file (@sql_files) {
# Line 50  foreach my $sql_file (@sql_files) { Line 127  foreach my $sql_file (@sql_files) {
127          $sheet_name =~ s/\.sql//;          $sheet_name =~ s/\.sql//;
128    
129          # Add a worksheet          # Add a worksheet
130          my $worksheet = $workbook->addworksheet($sheet_name);          warn "# clipping sheet name '$sheet_name' to 31 char limit\n" if length $sheet_name > 31;
131            my $worksheet = $workbook->addworksheet( substr($sheet_name,0,31) );
132    
133          print STDERR "working on $sql_file...\n" if ($debug);          print STDERR "working on $sql_file\n" if ($debug);
134    
135          open(SQL,$sql_file) || die "can't open sql file '$sql_file': $!";          open(SQL,"$sql_dir/$sql_file") || die "can't open sql file '$sql_dir/$sql_file': $!";
136          my $comment;          my $comment = '';
137          my $sql = "";          my $sql = "";
138          while(<SQL>) {          while(<SQL>) {
139                  chomp;                  chomp;
140                  if (/^--(.+)/) {                  if (/^\\c\s+(\S+)/) {
141                            $dbh->disconnect if $dbh;
142                            print STDERR "## connect to $1\n" if $debug;
143                            $dbh = DBI->connect($dsn . $1,$user,$passwd, { RaiseError => 1, AutoCommit => 0 }) || die $DBI::errstr;
144                    } elsif (/^--(.+)/) {
145                          $comment.=$1;                          $comment.=$1;
146                  } else {                  } else {
147                          $sql.=$_;                          $sql.= ' ' . $_;
148                  }                  }
149          }          }
150          close(SQL);          close(SQL);
151    
152            $sql =~ s/\s\s+/ /gs;
153    
154          print STDERR "sql: $sql\ncomment: $comment\n" if ($debug);          print STDERR "sql: $sql\ncomment: $comment\n" if ($debug);
155    
156          my $row = 0;          my $row = 0;
# Line 77  foreach my $sql_file (@sql_files) { Line 161  foreach my $sql_file (@sql_files) {
161                  my $fmt_comment = $workbook->addformat();    # Add a format                  my $fmt_comment = $workbook->addformat();    # Add a format
162                  $fmt_comment->set_bold();                  $fmt_comment->set_bold();
163    
164                    $comment =~ s/^\s+//;
165                    $comment =~ s/\s+$//;
166    
167                  $worksheet->write($row, 0, _c($comment), $fmt_comment);                  $worksheet->write($row, 0, _c($comment), $fmt_comment);
168                  $row+=2;                  $row+=2;
169          }          }
170    
171          my $sth = $dbh->prepare($sql) || die $dbh->errstr();          my $sth = $dbh->prepare($sql);
172          $sth->execute() || die $sth->errstr();          $sth->execute();
173    
174          my $fmt_header = $workbook->addformat();    # Add a format          my $fmt_header = $workbook->addformat();    # Add a format
175          $fmt_header->set_italic();          $fmt_header->set_italic();
# Line 92  foreach my $sql_file (@sql_files) { Line 179  foreach my $sql_file (@sql_files) {
179          }          }
180          $row++;          $row++;
181    
182            my @types = map { $dbh->type_info($_) ? $dbh->type_info($_)->{TYPE_NAME} : '?' } @{ $sth->{TYPE} };
183    
184          while (my @row = $sth->fetchrow_array() ) {          while (my @row = $sth->fetchrow_array() ) {
185                  for(my $col=0; $col<=$#row; $col++) {                  for(my $col=0; $col<=$#row; $col++) {
186                          $worksheet->write($row, $col, _c( $row[$col] ) );                          my $data = $row[$col];
187                            if ( $types[$col] =~ m/^date/i ) {
188                                    $data .= 'T' if $data =~ m/^\d\d\d\d-\d\d-\d\d$/;
189                                    $data =~ s/^(\d\d\d\d-\d\d-\d\d)\s(\d\d:\S+)$/$1T$2/;
190                                    warn "## $data\n";
191                                    $worksheet->write_date_time( $row, $col, $data, $date_format );
192                            } else {
193                                    $worksheet->write($row, $col, _c( $data ) );
194                            }
195                  }                  }
196                  $row++;                  $row++;
197          }          }
# Line 107  $dbh->disconnect; Line 204  $dbh->disconnect;
204    
205  __END__  __END__
206    
 =head1 NAME  
   
 sql2xls.pl - convert sql queries on file system to excel file  
   
 =head1 USAGE  
   
 Edit top of script and edit @sql_files array which describes  
 files which are going to be loaded and executed producing  
 Excel sheets (one sheet per file)  
   
 Comments in sql files (lines beginning with --) will be placed  
 in outout sheet on top in bold.  
   
 Sheet will have name same as sql file.  
   
 Run script and examine b<sql_result.xls> file.  
   
 =head1 AUTHOR  
   
 Dobrica Pavlinusic, dpavlin@rot13.org  
   
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