[open-ils-commits] r18561 - in trunk/Open-ILS/src/sql/Pg: . upgrade (miker)

[svn at svn.open-ils.org]

Author: miker
Date: 2010-11-01 16:52:45 -0400 (Mon, 01 Nov 2010)
New Revision: 18561

Added:
   trunk/Open-ILS/src/sql/Pg/upgrade/0453.schema.vandely.add_field_fix.sql
Modified:
   trunk/Open-ILS/src/sql/Pg/002.schema.config.sql
   trunk/Open-ILS/src/sql/Pg/012.schema.vandelay.sql
   trunk/Open-ILS/src/sql/Pg/1.6.1-2.0-upgrade-db.sql
Log:
Make vandelay.add_field smarter about applying add rules when no target field exists before hand

Modified: trunk/Open-ILS/src/sql/Pg/002.schema.config.sql
===================================================================
--- trunk/Open-ILS/src/sql/Pg/002.schema.config.sql	2010-11-01 20:42:00 UTC (rev 18560)
+++ trunk/Open-ILS/src/sql/Pg/002.schema.config.sql	2010-11-01 20:52:45 UTC (rev 18561)
@@ -70,7 +70,7 @@
     install_date    TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW()
 );
 
-INSERT INTO config.upgrade_log (version) VALUES ('0452'); -- dbs
+INSERT INTO config.upgrade_log (version) VALUES ('0453'); -- miker
 
 CREATE TABLE config.bib_source (
 	id		SERIAL	PRIMARY KEY,

Modified: trunk/Open-ILS/src/sql/Pg/012.schema.vandelay.sql
===================================================================
--- trunk/Open-ILS/src/sql/Pg/012.schema.vandelay.sql	2010-11-01 20:42:00 UTC (rev 18560)
+++ trunk/Open-ILS/src/sql/Pg/012.schema.vandelay.sql	2010-11-01 20:52:45 UTC (rev 18561)
@@ -349,6 +349,7 @@
             for my $from_field ($source_r->field( $f )) {
                 my @tos = $target_r->field( $f );
                 if (!@tos) {
+                    next if (exists($fields{$f}{match}));
                     my @new_fields = map { $_->clone } $source_r->field( $f );
                     $target_r->insert_fields_ordered( @new_fields );
                 } else {

Modified: trunk/Open-ILS/src/sql/Pg/1.6.1-2.0-upgrade-db.sql
===================================================================
--- trunk/Open-ILS/src/sql/Pg/1.6.1-2.0-upgrade-db.sql	2010-11-01 20:42:00 UTC (rev 18560)
+++ trunk/Open-ILS/src/sql/Pg/1.6.1-2.0-upgrade-db.sql	2010-11-01 20:52:45 UTC (rev 18561)
@@ -23,7 +23,7 @@
 
 -- Highest-numbered individual upgrade script incorporated herein:
 
-INSERT INTO config.upgrade_log (version) VALUES ('0449');
+INSERT INTO config.upgrade_log (version) VALUES ('0453');
 
 -- Remove some uses of the connectby() function from the tablefunc contrib module
 CREATE OR REPLACE FUNCTION actor.org_unit_descendants( INT, INT ) RETURNS SETOF actor.org_unit AS $$
@@ -14010,6 +14010,7 @@
             for my $from_field ($source_r->field( $f )) {
                 my @tos = $target_r->field( $f );
                 if (!@tos) {
+                    next if (exists($fields{$f}{match}));
                     my @new_fields = map { $_->clone } $source_r->field( $f );
                     $target_r->insert_fields_ordered( @new_fields );
                 } else {

Added: trunk/Open-ILS/src/sql/Pg/upgrade/0453.schema.vandely.add_field_fix.sql
===================================================================
--- trunk/Open-ILS/src/sql/Pg/upgrade/0453.schema.vandely.add_field_fix.sql	                        (rev 0)
+++ trunk/Open-ILS/src/sql/Pg/upgrade/0453.schema.vandely.add_field_fix.sql	2010-11-01 20:52:45 UTC (rev 18561)
@@ -0,0 +1,78 @@
+BEGIN;
+
+INSERT INTO config.upgrade_log (version) VALUES ('0453'); -- miker
+
+CREATE OR REPLACE FUNCTION vandelay.add_field ( target_xml TEXT, source_xml TEXT, field TEXT ) RETURNS TEXT AS $_$
+
+    use MARC::Record;
+    use MARC::File::XML (BinaryEncoding => 'UTF-8');
+    use strict;
+
+    my $target_xml = shift;
+    my $source_xml = shift;
+    my $field_spec = shift;
+
+    my $target_r = MARC::Record->new_from_xml( $target_xml );
+    my $source_r = MARC::Record->new_from_xml( $source_xml );
+
+    return $target_xml unless ($target_r && $source_r);
+
+    my @field_list = split(',', $field_spec);
+
+    my %fields;
+    for my $f (@field_list) {
+        $f =~ s/^\s*//; $f =~ s/\s*$//;
+        if ($f =~ /^(.{3})(\w*)(?:\[([^]]*)\])?$/) {
+            my $field = $1;
+            $field =~ s/\s+//;
+            my $sf = $2;
+            $sf =~ s/\s+//;
+            my $match = $3;
+            $match =~ s/^\s*//; $match =~ s/\s*$//;
+            $fields{$field} = { sf => [ split('', $sf) ] };
+            if ($match) {
+                my ($msf,$mre) = split('~', $match);
+                if (length($msf) > 0 and length($mre) > 0) {
+                    $msf =~ s/^\s*//; $msf =~ s/\s*$//;
+                    $mre =~ s/^\s*//; $mre =~ s/\s*$//;
+                    $fields{$field}{match} = { sf => $msf, re => qr/$mre/ };
+                }
+            }
+        }
+    }
+
+    for my $f ( keys %fields) {
+        if ( @{$fields{$f}{sf}} ) {
+            for my $from_field ($source_r->field( $f )) {
+                my @tos = $target_r->field( $f );
+                if (!@tos) {
+                    next if (exists($fields{$f}{match}));
+                    my @new_fields = map { $_->clone } $source_r->field( $f );
+                    $target_r->insert_fields_ordered( @new_fields );
+                } else {
+                    for my $to_field (@tos) {
+                        if (exists($fields{$f}{match})) {
+                            next unless (grep { $_ =~ $fields{$f}{match}{re} } $to_field->subfield($fields{$f}{match}{sf}));
+                        }
+                        my @new_sf = map { ($_ => $from_field->subfield($_)) } @{$fields{$f}{sf}};
+                        $to_field->add_subfields( @new_sf );
+                    }
+                }
+            }
+        } else {
+            my @new_fields = map { $_->clone } $source_r->field( $f );
+            $target_r->insert_fields_ordered( @new_fields );
+        }
+    }
+
+    $target_xml = $target_r->as_xml_record;
+    $target_xml =~ s/^<\?.+?\?>$//mo;
+    $target_xml =~ s/\n//sgo;
+    $target_xml =~ s/>\s+</></sgo;
+
+    return $target_xml;
+
+$_$ LANGUAGE PLPERLU;
+
+COMMIT;
+