Fix condition in SqlInsertParser and add test case for short insert parsing

Author: Mikhail Yevchenko

src/main/java/com/azazar/sqldumpparser/SqlInsertParser.java

@@ -114,7 +114,7 @@ private static void extractTupleIdentifiers(SqlTokenGroup group, List<String> id
     private static void processInsertStatement(SqlStatement stmt, Set<String> tableNames, SqlInsertParseCallback callback) throws SqlInsertParseException {
         List<SqlToken> tokens = stmt.getTokens();
 
-        if (tokens.size() < 6) {
+        if (tokens.size() < 5) {
             throw new SqlInsertParseException("Statement is too short", stmt);
         }
 

src/test/java/com/azazar/sqldumpparser/InsertParserTest.java

@@ -80,6 +80,24 @@ void testInsertParser() throws Exception {
         assertDeepEquals(expectedValues2, capturedInserts.get(1));
     }
 
+    @Test
+    void testShortInsertParsing() throws Exception {
+        String inputSql = "INSERT INTO users VALUES (1);";
+        StringReader inputReader = new StringReader(inputSql);
+        
+        SqlInsertParseCallback callback = (tableName, values) -> {
+            var m = new LinkedHashMap<String, Object>();
+            for (Map.Entry<String,SqlValue> e : values.entrySet()) {
+                m.put(e.getKey(), e.getValue().getValue());
+            }
+            capturedInserts.add(m);
+        };
+        
+        SqlInsertParser.parse(inputReader, tableNames, callback);
+        
+        assertEquals(1, capturedInserts.size());
+    }
+
     @Test
     void testInsertWithoutColumnsParser() throws Exception {
         String inputSql = "INSERT INTO `libgenrelist` VALUES (1,'sf_history','Альтернативная история','Фантастика'),(2,'sf_action','Боевая фантастика','Фантастика'),(3,'sf_epic','Эпическая фантастика','Фантастика'),(4,'sf_heroic','Героическая фантастика','Фантастика'),(252,'tbg_higher','Учебники и пособия ВУЗов','Учебники и пособия'),(254,'popadancy','Попаданцы','Фантастика');";