Fixed mismatching PK/FK types (INT vs. BIGINT), causing issues on old…

…er PostgreSQL releases.

dss/tpch-create.sql

@@ -15,15 +15,15 @@ CREATE TABLE SUPPLIER (
 	S_SUPPKEY		SERIAL,
 	S_NAME			CHAR(25),
 	S_ADDRESS		VARCHAR(40),
-	S_NATIONKEY		BIGINT NOT NULL, -- references N_NATIONKEY
+	S_NATIONKEY		INTEGER NOT NULL, -- references N_NATIONKEY
 	S_PHONE			CHAR(15),
 	S_ACCTBAL		DECIMAL,
 	S_COMMENT		VARCHAR(101)
 );
 
 CREATE TABLE PARTSUPP (
-	PS_PARTKEY		BIGINT NOT NULL, -- references P_PARTKEY
-	PS_SUPPKEY		BIGINT NOT NULL, -- references S_SUPPKEY
+	PS_PARTKEY		INTEGER NOT NULL, -- references P_PARTKEY
+	PS_SUPPKEY		INTEGER NOT NULL, -- references S_SUPPKEY
 	PS_AVAILQTY		INTEGER,
 	PS_SUPPLYCOST	DECIMAL,
 	PS_COMMENT		VARCHAR(199)
@@ -33,7 +33,7 @@ CREATE TABLE CUSTOMER (
 	C_CUSTKEY		SERIAL,
 	C_NAME			VARCHAR(25),
 	C_ADDRESS		VARCHAR(40),
-	C_NATIONKEY		BIGINT NOT NULL, -- references N_NATIONKEY
+	C_NATIONKEY		INTEGER NOT NULL, -- references N_NATIONKEY
 	C_PHONE			CHAR(15),
 	C_ACCTBAL		DECIMAL,
 	C_MKTSEGMENT	CHAR(10),
@@ -42,7 +42,7 @@ CREATE TABLE CUSTOMER (
 
 CREATE TABLE ORDERS (
 	O_ORDERKEY		SERIAL,
-	O_CUSTKEY		BIGINT NOT NULL, -- references C_CUSTKEY
+	O_CUSTKEY		INTEGER NOT NULL, -- references C_CUSTKEY
 	O_ORDERSTATUS	CHAR(1),
 	O_TOTALPRICE	DECIMAL,
 	O_ORDERDATE		DATE,
@@ -53,9 +53,9 @@ CREATE TABLE ORDERS (
 );
 
 CREATE TABLE LINEITEM (
-	L_ORDERKEY		BIGINT NOT NULL, -- references O_ORDERKEY
-	L_PARTKEY		BIGINT NOT NULL, -- references P_PARTKEY (compound fk to PARTSUPP)
-	L_SUPPKEY		BIGINT NOT NULL, -- references S_SUPPKEY (compound fk to PARTSUPP)
+	L_ORDERKEY		INTEGER NOT NULL, -- references O_ORDERKEY
+	L_PARTKEY		INTEGER NOT NULL, -- references P_PARTKEY (compound fk to PARTSUPP)
+	L_SUPPKEY		INTEGER NOT NULL, -- references S_SUPPKEY (compound fk to PARTSUPP)
 	L_LINENUMBER	INTEGER,
 	L_QUANTITY		DECIMAL,
 	L_EXTENDEDPRICE	DECIMAL,
@@ -74,7 +74,7 @@ CREATE TABLE LINEITEM (
 CREATE TABLE NATION (
 	N_NATIONKEY		SERIAL,
 	N_NAME			CHAR(25),
-	N_REGIONKEY		BIGINT NOT NULL,  -- references R_REGIONKEY
+	N_REGIONKEY		INTEGER NOT NULL,  -- references R_REGIONKEY
 	N_COMMENT		VARCHAR(152)
 );