while implementing unmerging of merged authors as part of #49, I had …

…the following test error:

CDbException: Column name must be either a string or an array.

Which indicates that a database table is missing a primary key. In this case, it was author_rel that didn't have a primary key index set up in postgresql.

sql/gigadb_tables.sql

@@ -3336,6 +3336,14 @@ ALTER TABLE ONLY author
     ADD CONSTRAINT author_pkey PRIMARY KEY (id);
 
 
+--
+-- TOC entry 2496 (class 2606 OID 18532)
+-- Name: author_rel_pkey; Type: CONSTRAINT; Schema: public; Owner: gigadb
+--
+
+ALTER TABLE ONLY author_rel
+    ADD CONSTRAINT author_rel_pkey PRIMARY KEY (id);
+
 --
 -- TOC entry 2501 (class 2606 OID 18534)
 -- Name: dataset_attributes_pkey; Type: CONSTRAINT; Schema: public; Owner: gigadb

sql/gigadb_testdata.sql

@@ -3007,6 +3007,13 @@ ALTER TABLE ONLY attribute
 ALTER TABLE ONLY author
     ADD CONSTRAINT author_pkey PRIMARY KEY (id);
 
+--
+-- TOC entry 2496 (class 2606 OID 18532)
+-- Name: author_rel_pkey; Type: CONSTRAINT; Schema: public; Owner: gigadb
+--
+
+ALTER TABLE ONLY author_rel
+    ADD CONSTRAINT author_rel_pkey PRIMARY KEY (id);
 
 --
 -- Name: dataset_attributes_pkey; Type: CONSTRAINT; Schema: public; Owner: gigadb; Tablespace: 

sql/gigadb_testdata_penguin.sql

@@ -2904,6 +2904,13 @@ ALTER TABLE ONLY attribute
 ALTER TABLE ONLY author
     ADD CONSTRAINT author_pkey PRIMARY KEY (id);
 
+--
+-- TOC entry 2496 (class 2606 OID 18532)
+-- Name: author_rel_pkey; Type: CONSTRAINT; Schema: public; Owner: gigadb
+--
+
+ALTER TABLE ONLY author_rel
+    ADD CONSTRAINT author_rel_pkey PRIMARY KEY (id);
 
 --
 -- Name: dataset_attributes_pkey; Type: CONSTRAINT; Schema: public; Owner: gigadb; Tablespace: