Changed jdbc key from defaulting the primary key to KEY and now using YCSB_KEY...

Changed jdbc key from defaulting the primary key to KEY and now using YCSB_KEY since KEY isn't valid in MySQL code. Also added a MySQL version of create_table.

db/jdbc/sql/create_table.mysql

+-- Creates a Table.
+
+-- Drop the table if it exists;
+DROP TABLE IF EXISTS usertable;
+
+-- Create the user table with 5 fields.
+CREATE TABLE usertable(YCSB_KEY VARCHAR (255) PRIMARY KEY,
+  FIELD1 TEXT, FIELD2 TEXT,
+  FIELD3 TEXT, FIELD4 TEXT,
+  FIELD5 TEXT, FIELD6 TEXT,
+  FIELD7 TEXT, FIELD8 TEXT,
+  FIELD9 TEXT, FIELD10 TEXT);

db/jdbc/sql/create_table.sql

 -- Creates a Table.
 
 -- Drop the table if it exists;
-DROP TABLE IF EXISTS USERTABLE;
+DROP TABLE IF EXISTS usertable;
 
 -- Create the user table with 5 fields.
-CREATE TABLE usertable(KEY VARCHAR PRIMARY KEY,
+CREATE TABLE usertable(YCSB_KEY VARCHAR PRIMARY KEY,
   FIELD1 VARCHAR, FIELD2 VARCHAR,
   FIELD3 VARCHAR, FIELD4 VARCHAR,
   FIELD5 VARCHAR, FIELD6 VARCHAR,

db/jdbc/src/com/yahoo/ycsb/db/JdbcDBClientConstants.java

@@ -49,7 +49,7 @@ public interface JdbcDBClientConstants {
   public static final int SUCCESS = 0;
   
   /** The primary key in the user table.*/
-  public static String PRIMARY_KEY = "KEY";
+  public static String PRIMARY_KEY = "YCSB_KEY";
   
   /** The field name prefix in the table.*/
   public static String COLUMN_PREFIX = "FIELD";