WIP: Testing compound key insert reveals weird type conversion

test/fixtures/schema.sql

@@ -4,7 +4,7 @@
 
 -- Dumped from database version 9.3.4
 -- Dumped by pg_dump version 9.3.1
--- Started on 2014-08-25 17:13:38 PDT
+-- Started on 2014-08-25 17:39:56 PDT
 
 SET statement_timeout = 0;
 SET lock_timeout = 0;
@@ -14,7 +14,7 @@ SET check_function_bodies = false;
 SET client_min_messages = warning;
 
 --
--- TOC entry 6 (class 2615 OID 229843)
+-- TOC entry 6 (class 2615 OID 229910)
 -- Name: 1; Type: SCHEMA; Schema: -; Owner: -
 --
 
@@ -22,7 +22,7 @@ CREATE SCHEMA "1";
 
 
 --
--- TOC entry 173 (class 3079 OID 12018)
+-- TOC entry 174 (class 3079 OID 12018)
 -- Name: plpgsql; Type: EXTENSION; Schema: -; Owner: -
 --
 
@@ -30,8 +30,8 @@ CREATE EXTENSION IF NOT EXISTS plpgsql WITH SCHEMA pg_catalog;
 
 
 --
--- TOC entry 2213 (class 0 OID 0)
--- Dependencies: 173
+-- TOC entry 2219 (class 0 OID 0)
+-- Dependencies: 174
 -- Name: EXTENSION plpgsql; Type: COMMENT; Schema: -; Owner: -
 --
 
@@ -45,7 +45,7 @@ SET default_tablespace = '';
 SET default_with_oids = false;
 
 --
--- TOC entry 170 (class 1259 OID 229844)
+-- TOC entry 170 (class 1259 OID 229911)
 -- Name: auto_incrementing_pk; Type: TABLE; Schema: 1; Owner: -; Tablespace: 
 --
 
@@ -58,7 +58,7 @@ CREATE TABLE auto_incrementing_pk (
 
 
 --
--- TOC entry 171 (class 1259 OID 229851)
+-- TOC entry 171 (class 1259 OID 229918)
 -- Name: auto_incrementing_pk_id_seq; Type: SEQUENCE; Schema: 1; Owner: -
 --
 
@@ -71,7 +71,7 @@ CREATE SEQUENCE auto_incrementing_pk_id_seq
 
 
 --
--- TOC entry 2214 (class 0 OID 0)
+-- TOC entry 2220 (class 0 OID 0)
 -- Dependencies: 171
 -- Name: auto_incrementing_pk_id_seq; Type: SEQUENCE OWNED BY; Schema: 1; Owner: -
 --
@@ -80,18 +80,30 @@ ALTER SEQUENCE auto_incrementing_pk_id_seq OWNED BY auto_incrementing_pk.id;
 
 
 --
--- TOC entry 172 (class 1259 OID 229859)
--- Name: contacts; Type: TABLE; Schema: 1; Owner: -; Tablespace: 
+-- TOC entry 173 (class 1259 OID 229931)
+-- Name: compound_pk; Type: TABLE; Schema: 1; Owner: -; Tablespace: 
 --
 
-CREATE TABLE contacts (
-    email character varying NOT NULL,
-    name character varying NOT NULL
+CREATE TABLE compound_pk (
+    k1 integer NOT NULL,
+    k2 integer NOT NULL,
+    extra integer
 );
 
 
 --
--- TOC entry 2096 (class 2604 OID 229853)
+-- TOC entry 172 (class 1259 OID 229920)
+-- Name: simple_pk; Type: TABLE; Schema: 1; Owner: -; Tablespace: 
+--
+
+CREATE TABLE simple_pk (
+    k character varying NOT NULL,
+    extra character varying NOT NULL
+);
+
+
+--
+-- TOC entry 2100 (class 2604 OID 229926)
 -- Name: id; Type: DEFAULT; Schema: 1; Owner: -
 --
 
@@ -99,7 +111,7 @@ ALTER TABLE ONLY auto_incrementing_pk ALTER COLUMN id SET DEFAULT nextval('auto_
 
 
 --
--- TOC entry 2098 (class 2606 OID 229855)
+-- TOC entry 2102 (class 2606 OID 229928)
 -- Name: auto_incrementing_pk_pkey; Type: CONSTRAINT; Schema: 1; Owner: -; Tablespace: 
 --
 
@@ -108,15 +120,24 @@ ALTER TABLE ONLY auto_incrementing_pk
 
 
 --
--- TOC entry 2100 (class 2606 OID 229866)
+-- TOC entry 2106 (class 2606 OID 229935)
+-- Name: compound_pk_pkey; Type: CONSTRAINT; Schema: 1; Owner: -; Tablespace: 
+--
+
+ALTER TABLE ONLY compound_pk
+    ADD CONSTRAINT compound_pk_pkey PRIMARY KEY (k1, k2);
+
+
+--
+-- TOC entry 2104 (class 2606 OID 229930)
 -- Name: contacts_pkey; Type: CONSTRAINT; Schema: 1; Owner: -; Tablespace: 
 --
 
-ALTER TABLE ONLY contacts
-    ADD CONSTRAINT contacts_pkey PRIMARY KEY (email);
+ALTER TABLE ONLY simple_pk
+    ADD CONSTRAINT contacts_pkey PRIMARY KEY (k);
 
 
--- Completed on 2014-08-25 17:13:38 PDT
+-- Completed on 2014-08-25 17:39:56 PDT
 
 --
 -- PostgreSQL database dump complete