fixes #177

Author: wumpz

src/main/jjtree/net/sf/jsqlparser/parser/JSqlParserCC.jjt

@@ -546,7 +546,7 @@ String RelObjectName() :
       | tk=<K_LAST> | tk=<K_MATERIALIZED> | tk=<K_NULLS> | tk=<K_PARTITION> | tk=<K_RANGE> 
       | tk=<K_ROW> | tk=<K_ROWS> | tk=<K_SIBLINGS> | tk=<K_VALUE> | tk=<K_XML>
       | tk=<K_COLUMN> | tk=<K_REPLACE> | tk=<K_TRUNCATE> | tk=<K_KEY> | tk=<K_ANY>
-      | tk=<K_OPEN> | tk=<K_OVER> | tk=<K_VALUES> | tk=<K_PERCENT>
+      | tk=<K_OPEN> | tk=<K_OVER> | tk=<K_VALUES> | tk=<K_PERCENT> | tk=<K_PRIOR>
       )
 
     { return tk.image; }

src/test/java/net/sf/jsqlparser/test/create/CreateTableTest.java

@@ -171,6 +171,10 @@ public void testCreateTableColumnValue() throws JSQLParserException {
 	public void testCreateTableForeignKey5() throws JSQLParserException {
         assertSqlCanBeParsedAndDeparsed("CREATE TABLE IF NOT EXISTS table1 (id INTEGER PRIMARY KEY AUTO_INCREMENT, aid INTEGER REFERENCES accounts ON aid ON DELETE CASCADE, name STRING, lastname STRING)");
     }
+    
+    public void testCreateTableForeignKey6() throws JSQLParserException {
+        assertSqlCanBeParsedAndDeparsed("CREATE TABLE test (id long, fkey long references another_table (id))");
+    }
 
 	public void testRUBiSCreateList() throws Exception {
 		BufferedReader in = new BufferedReader(new InputStreamReader(CreateTableTest.class.getResourceAsStream("/RUBiS-create-requests.txt")));

src/test/java/net/sf/jsqlparser/test/select/SelectTest.java

@@ -1788,6 +1788,10 @@ public void testReservedKeyword2() throws JSQLParserException {
         final String stmt = "SELECT open FROM tableName";
         assertSqlCanBeParsedAndDeparsed(stmt);
     }
+    
+    public void testReservedKeyword3() throws JSQLParserException {
+        assertSqlCanBeParsedAndDeparsed("SELECT * FROM mytable1 t JOIN mytable2 AS prior ON t.id = prior.id");
+    }
 
     public void testCharacterSetClause() throws JSQLParserException {
         String stmt = "SELECT DISTINCT CAST(`view0`.`nick2` AS CHAR (8000) CHARACTER SET utf8) AS `v0` FROM people `view0` WHERE `view0`.`nick2` IS NOT NULL";