wrapping some calls in eval to safeguard bad records crashing load

[migration-tools.git] / mig-bin / mig-loadbibs

diff --git a/mig-bin/mig-loadbibs b/mig-bin/mig-loadbibs
index 96b12e8..119a1ec 100755 (executable)
--- a/mig-bin/mig-loadbibs
+++ b/mig-bin/mig-loadbibs
@@ -61,6 +61,8 @@ pod2usage(-verbose => 1) if ! $ARGV[1];
 my $next_arg_is_file = 0;
 my $append = 0;
 my $next_arg_is_source = 0;
+my $next_arg_is_stage = 0;
+my $stage_table = 'biblio_record_entry_legacy';
 my $source = 'default';
 my $file_is_xml = 0;
 my $dbh = Mig::db_connect();
@@ -91,6 +93,15 @@ foreach my $arg (@ARGV) {
         $next_arg_is_source = 0;
         next;
     }
+    if ($arg eq '--stage_table') {
+        $next_arg_is_stage = 1;
+        next;
+    }
+    if ($next_arg_is_stage) {
+        $stage_table = $arg;
+        $next_arg_is_stage = 0;
+        next;
+    }
        if ($arg eq '--append') {
                $append = 1;
                next;
@@ -105,8 +116,8 @@ create_child_table($dbh); #and test to see if it exists
 
 # normal stage table creation
 if ($append == 0) { 
-    drop_stage_table($dbh); 
-    create_stage_table($dbh);
+    drop_stage_table($dbh,$stage_table); 
+    create_stage_table($dbh,$stage_table);
     }
 if ($file_is_xml) {
        $batch = MARC::Batch->new('XML',$infile);
@@ -115,7 +126,9 @@ if ($file_is_xml) {
 } 
 $batch->strict_off();
 
-while ( my $record = $batch->next() ) {
+my $record;
+#while ( my $record = $batch->next() ) {
+while ( eval {$record = $batch->next()} or do { if (!$record and !$@) { last; } else { next; }} ) {
        my $xml = $record->as_xml_record();
     $xml = marc8_to_utf8($xml);
        $i++;
@@ -124,9 +137,9 @@ while ( my $record = $batch->next() ) {
        my @warnings = $batch->warnings();
        my $warning_string;
        if (@warnings) { $warning_string = "'" . join(':',@warnings) . "'"; } else { $warning_string = "'none'"; }
-       my $sql = "INSERT INTO $MIGSCHEMA.biblio_record_entry_legacy (marc,x_source,x_warnings) VALUES ($xml,'$source',$warning_string);";
+       my $sql = "INSERT INTO $MIGSCHEMA.$stage_table (marc,x_source,x_warnings) VALUES ($xml,'$source',$warning_string);";
     my $sth = $dbh->prepare($sql);
-    $sth->execute();
+    eval { $sth->execute() };
        report_progress("Records staged", $i) if 0 != $i % 100;
 }
 
@@ -140,14 +153,20 @@ print "Finis.\n";
 
 sub drop_stage_table {
     my $dbh = shift;
-    $dbh->do("DROP TABLE IF EXISTS $MIGSCHEMA.biblio_record_entry_legacy;");
+    my $stage_table = shift;
+    my $tablecheck = check_for_mig_table($dbh,$stage_table);
+    my $answer = 'null';
+    if ($tablecheck == 1) { $answer = prompt('Do you want to drop $MIGSCHEMA.$stage_table? This will not remove any bibs loaded to production. y/n'); }
+    if ($tablecheck == 1 and $answer eq 'y') { $dbh->do("DROP TABLE IF EXISTS $MIGSCHEMA.$stage_table;"); } 
+    if ($tablecheck == 1 and $answer ne 'y') { abort('Table not dropped, bib load aborted.'); }
     return();
 }
 
 sub create_stage_table {
        my $dbh = shift;
+    my $stage_table = shift;
 
-    $dbh->do("CREATE UNLOGGED TABLE $MIGSCHEMA.biblio_record_entry_legacy (
+    $dbh->do("CREATE UNLOGGED TABLE $MIGSCHEMA.$stage_table (
             l_bib_id    TEXT,
             x_source    TEXT,
             x_warnings  TEXT,
@@ -202,3 +221,24 @@ sub report_progress {
         print STDERR "$msg\n";
     }
 }
+
+sub check_for_mig_table {
+    my $dbh = shift;
+    my $table = shift;
+    my $sql = "SELECT 1 FROM information_schema.tables WHERE table_schema = '$MIGSCHEMA' AND table_name = '$table';";
+    my $sth = $dbh->prepare($sql);
+    $sth->execute();
+    my @sqlresult = $sth->fetchrow_array;
+    my $r = pop @sqlresult;
+    if ($r) { return $r; } else { return 0; }
+}
+
+sub prompt {
+  my ($query) = @_; 
+  local $| = 1; 
+  print $query;
+  chomp(my $answer = <STDIN>);
+  return $answer;
+}
+
+