Make nar_urls file sizes optional

guix-data-service/model/nar.scm

@@ -101,7 +101,7 @@ VALUES "
                        (quote-string
                         (uri->string uri))
                        (quote-string compression)
-                       file-size))
+                       (or file-size "NULL")))
                     (narinfo-uris narinfo)
                     (narinfo-compressions narinfo)
                     (narinfo-file-sizes narinfo)))

sqitch/deploy/make_nar_urls_file_size_optional.sql

@@ -0,0 +1,7 @@
+-- Deploy guix-data-service:make_nar_urls_file_size_optional to pg
+
+BEGIN;
+
+ALTER TABLE nar_urls ALTER COLUMN file_size DROP NOT NULL;
+
+COMMIT;

sqitch/revert/make_nar_urls_file_size_optional.sql

@@ -0,0 +1,7 @@
+-- Revert guix-data-service:make_nar_urls_file_size_optional from pg
+
+BEGIN;
+
+-- XXX Add DDLs here.
+
+COMMIT;

sqitch/sqitch.plan

@@ -58,3 +58,4 @@ create_narinfo_fetch_records_index 2020-03-25T19:07:28Z Christopher Baines <mail
 load_new_guix_revision_jobs_make_commits_unique 2020-03-27T21:38:42Z Christopher Baines <mail@cbaines.net> # Make load_new_guix_revision_jobs commits unique
 remove_odd_package_derivations 2020-04-24T20:36:06Z Christopher Baines <mail@cbaines.net> # Remove odd package derivations
 build_servers_lookup_builds 2020-05-24T15:18:09Z Christopher Baines <mail@cbaines.net> # Add build_servers.lookup_builds
+make_nar_urls_file_size_optional 2020-06-03T05:27:29Z Christopher Baines <mail@cbaines.net> # Make the nar_urls.file_size optional

sqitch/verify/make_nar_urls_file_size_optional.sql

@@ -0,0 +1,7 @@
+-- Verify guix-data-service:make_nar_urls_file_size_optional on pg
+
+BEGIN;
+
+-- XXX Add verifications here.
+
+ROLLBACK;