diff --git a/tests/fixtures/kingfisher_process.sql b/tests/fixtures/kingfisher_process.sql
index c28179e..735c4c1 100644
--- a/tests/fixtures/kingfisher_process.sql
+++ b/tests/fixtures/kingfisher_process.sql
@@ -1,5 +1,5 @@
 CREATE TABLE IF NOT EXISTS collection (
-    id bigint NOT NULL,
+    id bigint NOT NULL PRIMARY KEY,
     source_id text NOT NULL,
     data_version timestamp with time zone NOT NULL,
     store_start_at timestamp with time zone NOT NULL,
@@ -21,20 +21,20 @@ CREATE TABLE IF NOT EXISTS collection (
 );
 
 CREATE TABLE IF NOT EXISTS collection_file (
-    id bigint NOT NULL,
+    id bigint NOT NULL PRIMARY KEY,
     filename text NOT NULL,
     url text NOT NULL,
     collection_id bigint NOT NULL
 );
 
 CREATE TABLE IF NOT EXISTS collection_file_item (
-    id bigint NOT NULL,
+    id bigint NOT NULL PRIMARY KEY,
     number integer NOT NULL,
     collection_file_id bigint NOT NULL
 );
 
 CREATE TABLE IF NOT EXISTS compiled_release (
-    id bigint NOT NULL,
+    id bigint NOT NULL PRIMARY KEY,
     ocid text NOT NULL,
     collection_id bigint NOT NULL,
     collection_file_item_id bigint NOT NULL,
@@ -42,19 +42,19 @@ CREATE TABLE IF NOT EXISTS compiled_release (
 );
 
 CREATE TABLE IF NOT EXISTS data (
-    id bigint NOT NULL,
+    id bigint NOT NULL PRIMARY KEY,
     hash_md5 text NOT NULL,
     data jsonb NOT NULL
 );
 
 CREATE TABLE IF NOT EXISTS package_data (
-    id bigint NOT NULL,
+    id bigint NOT NULL PRIMARY KEY,
     hash_md5 text NOT NULL,
     data jsonb NOT NULL
 );
 
 CREATE TABLE IF NOT EXISTS record (
-    id bigint NOT NULL,
+    id bigint NOT NULL PRIMARY KEY,
     ocid text NOT NULL,
     collection_id bigint NOT NULL,
     collection_file_item_id bigint NOT NULL,
@@ -63,7 +63,7 @@ CREATE TABLE IF NOT EXISTS record (
 );
 
 CREATE TABLE IF NOT EXISTS release (
-    id bigint NOT NULL,
+    id bigint NOT NULL PRIMARY KEY,
     release_id text NOT NULL,
     ocid text NOT NULL,
     collection_id bigint NOT NULL,