Added DatabaseMetaData.getDatabaseCompatabilityLevel

src/main/java/com/microsoft/sqlserver/jdbc/SQLServerDatabaseMetaData.java

@@ -2537,6 +2537,27 @@ public boolean locatorsUpdateCopy() throws SQLException {
         checkClosed();
         return true;
     }
+
+    /* -------------- MSSQL-JDBC Extension methods start here --------------- */
+
+    /**
+     * Returns the database compatibility level setting for the current database.  This is useful if the
+     * database's compatibility level is lower than the engine version.  In this case the database will only
+     * support SQL commands at its compatibility level, and not the wider set of commands accepted by the
+     * engine.
+     *
+     * @return the database compatibility level value (from sys.databases table).
+     */
+    public int getDatabaseCompatibilityLevel() throws SQLException {
+        checkClosed();
+        String database = connection.getCatalog();
+        SQLServerResultSet rs = getResultSetFromInternalQueries(null,
+                "select name, compatibility_level from sys.databases where name = '" + database + "'");
+        if (!rs.next()) {
+            return 0;
+        }
+        return rs.getInt("compatibility_level");
+    }
 }
 
 

src/test/java/com/microsoft/sqlserver/jdbc/databasemetadata/DatabaseMetaDataTest.java

@@ -120,6 +120,15 @@ public void testDriverVersion() throws SQLException, IOException {
         }
     }
 
+    @Test
+    public void testDatabaseCompatibilityLevel() throws SQLException {
+        try (Connection conn = getConnection()) {
+            SQLServerDatabaseMetaData dbmData = (SQLServerDatabaseMetaData) conn.getMetaData();
+            int compatibilityLevel = dbmData.getDatabaseCompatibilityLevel();
+            assertTrue(compatibilityLevel > 0);
+        }
+    }
+
     /**
      * Your password should not be in getURL method.
      *