seed csv2mysql with csv2sql

diff --git a/text/csv2mysql b/text/csv2mysql
new file mode 100755 (executable)
index 0000000..2d74d0a
--- /dev/null
+++ b/text/csv2mysql
@@ -0,0 +1,188 @@
+#!/usr/bin/perl -w
+use Getopt::Long;
+use Text::CSV::Auto;
+use Data::Dumper;
+use DBI;
+use File::Basename;
+use Env qw(
+    HOME PGHOST PGPORT PGUSER PGDATABASE MIGSCHEMA
+    MIGBASEWORKDIR MIGBASEGITDIR MIGGITDIR MIGWORKDIR
+);
+
+my $dbh;
+my $cfg;
+my $csv_config;
+
+sub init {
+    if ($PGHOST and $PGPORT and $PGUSER and $PGDATABASE) 
+    {
+        $dbh = connect_db($PGDATABASE,$PGUSER,undef,$PGHOST) or die $DBI::errstr;
+    } else {
+        our %config;
+        eval `cat /openils/conf/offline-config.pl`;
+        $dbh = DBI->connect( $config{dsn}, $config{usr}, $config{pw} ) or die $DBI::errstr;
+    }
+
+       $cfg = {
+               schema => 'm_foo',
+               auto_options => {
+               }
+       };
+       our %CSV_options = (
+           binary => 1,
+           auto_diag => 1,
+           diag_verbose => 1,
+       );
+       $cfg->{auto_options}->{csv_options} = \%CSV_options;
+
+       GetOptions(
+               'config=s' => \$csv_config,
+               'no-legacy-prefix' => \($cfg->{no_legacy_prefix}),
+               'use-no-headers-file' => \($cfg->{use_no_headers_file}),
+               'add-x-migrate' => \($cfg->{add_x_migrate}),
+        'outfile=s' => \($cfg->{outfile}),
+               'schema=s' => \($cfg->{schema}),
+               'parent=s' => \($cfg->{parent}),
+               'help|?' => \$help
+       );
+       if ($help || ((@ARGV == 0) && (-t STDIN))) {
+               die qq^\n\t$0 [--config <CONFIG>] [--add-x-migrate] [--no-legacy-prefix] [--schema <schema>] [--parent <base table>] [--outfile <file to create>] <"clean" file from clean_csv script>\n\n^;
+       }
+       if ($csv_config && ! -e $csv_config) {
+               die "$csv_config does not exist\n";
+       }
+       if ($csv_config && -e $csv_config) {
+               eval `cat $csv_config`;
+       }
+       if (! -e $ARGV[0]) {
+               die "$ARGV[0] does not exist\n";
+       }
+}
+
+sub connect_db {
+    my ($db, $dbuser, $dbpw, $dbhost) = @_;
+
+    my $dsn = "dbi:Pg:host=$dbhost;dbname=$db;port=5432";
+
+    my $attrs = {
+        ShowErrorStatement => 1,
+        RaiseError => 1,
+        PrintError => 1,
+        pg_enable_utf8 => 1,
+    };
+    my $dbh = DBI->connect($dsn, $dbuser, $dbpw, $attrs);
+
+    return $dbh;
+}
+
+
+sub write_sql_sample {
+       my $cfg = shift;
+       my $info = shift;
+       my $fn = $cfg->{outfile} || $cfg->{auto_options}->{file} . '.sql';
+
+       print "\twriting $fn\n";
+       local *SQL;
+       open SQL, ">$fn";
+       print SQL "-- $cfg->{auto_options}->{file}\n/*\n";
+       open IN, $cfg->{auto_options}->{file};
+       foreach (1..5) {
+               my $line = <IN>;
+               print SQL $line;
+       }
+       close IN;
+       print SQL "*/\n";
+       return *SQL;
+}
+
+sub write_sql_table {
+       my $sql = shift;
+       my $cfg = shift;
+       my $info = shift;
+       my $fn = $cfg->{auto_options}->{file};
+       my @indices = ();
+
+       print "\twriting table definition\n";
+    if ($cfg->{parent}) {
+        $cfg->{table_name} = $cfg->{parent} . '_legacy';
+    } else {
+           $cfg->{table_name} = lc(basename($fn)); $cfg->{table_name} =~ s/[\-\. ]/_/g;
+    }
+       print $sql "DROP TABLE IF EXISTS $cfg->{schema}.$cfg->{table_name};\n";
+       print $sql "CREATE UNLOGGED TABLE $cfg->{schema}.$cfg->{table_name} (\n";
+       my $idx = 0;
+       if ($cfg->{add_x_migrate}) {
+               print $sql "    x_migrate BOOLEAN\n";
+               $idx++;
+               push @indices, 'x_migrate';
+       }
+       foreach my $column (@{ $info }) {
+               my $cn = $column->{'header'};
+               if ($cn =~ /^x_/) {
+                       push @indices, $cn;
+               }
+               my $col_info = Dumper($column);
+               $col_info =~ s/^\$VAR1 = //;
+               print $sql "   " . ($idx++ ? ',' : ' ');
+               print $sql "l_" unless $cfg->{no_legacy_prefix} or $column->{'header'} =~ /^x_/ or $column->{'header'} =~ /^l_/;
+        print $sql "$cn " . ($cn eq 'x_eg_bib_id' ? 'BIGINT' : 'TEXT');
+        print $sql " /*\n         $col_info   */\n";
+       }
+    if ($cfg->{parent}) {
+           print $sql ') INHERITS (' . $cfg->{schema} . '.' . $cfg->{parent} . ");\n";
+    } else {
+           print $sql ");\n";
+    }
+       foreach my $cn (@indices) {
+               print $sql "CREATE INDEX ON $cfg->{schema}.$cfg->{table_name} ($cn);\n";
+       }
+}
+
+sub write_sql_loader {
+       my $sql = shift;
+       my $cfg = shift;
+       my $auto = shift;
+       my $info = shift;
+       my $fn = $cfg->{auto_options}->{file} . ($cfg->{use_no_headers_file} ? '.no_headers' : '');
+
+       print "\twriting copy statement\n";
+       print $sql "\n\\COPY $cfg->{schema}.$cfg->{table_name} (";
+    my $idx = 0;
+    foreach my $column (@{ $info }) {
+        print $sql ($idx++ ? ',' : '');
+        print $sql "l_" unless $cfg->{no_legacy_prefix} or $column->{'header'} =~ /^x_/ or $column->{'header'} =~ /^l_/;
+        print $sql $column->{'header'};
+    }
+    print $sql ") FROM '$fn'";
+    if ($auto->csv->sep_char eq chr(9) && ! defined $auto->csv->quote_char && ! defined $auto->csv->escape_char) {
+        # true .tsv, don't treat as csv
+    } elsif ($auto->csv->sep_char eq chr(9)) {
+        # probably good enough .tsv, don't treat as csv
+    } else {
+        print $sql " WITH csv " . ($cfg->{use_no_headers_file} ? "" : "header");
+        print $sql " delimiter " . $dbh->quote( $auto->csv->sep_char ) unless $dbh->quote( $auto->csv->sep_char ) eq 'NULL';
+        print $sql " quote " . $dbh->quote( $auto->csv->quote_char ) unless $dbh->quote( $auto->csv->quote_char ) eq 'NULL';
+        print $sql " escape " . $dbh->quote( $auto->csv->escape_char ) unless $dbh->quote( $auto->csv->escape_char ) eq 'NULL';
+    }
+       print $sql "\n";
+}
+
+sub main {
+       init();
+       foreach my $fn (@ARGV) {
+               print "processing $fn\n";
+               $cfg->{auto_options}->{file} = $fn;
+               my $auto = Text::CSV::Auto->new($cfg->{auto_options});
+
+               my $info = $auto->analyze();
+               my $sql = write_sql_sample($cfg,$info);
+               write_sql_table($sql,$cfg,$info);
+               write_sql_loader($sql,$cfg,$auto,$info);
+               close $sql;
+
+               print "\tdone.\n";
+       }
+}
+
+main();
+