[CONJ-852] CmdInformationSingle.isDuplicateKeyUpdate() fails to detec…

…t ON DUPLICATE KEY clause if there are newlines in query.

Solved by enabling DOTALL mode in regexp.

src/main/java/org/mariadb/jdbc/internal/com/read/dao/CmdInformationSingle.java

@@ -137,7 +137,7 @@ public ResultSet getGeneratedKeys(Protocol protocol, String sql) {
   }
 
   private boolean isDuplicateKeyUpdate(String sql) {
-    return sql.matches("(?i).*ON\\s+DUPLICATE\\s+KEY\\s+UPDATE.*");
+    return sql.matches("(?s)(?i).*ON\\s+DUPLICATE\\s+KEY\\s+UPDATE.*");
   }
 
   @Override

src/test/java/org/mariadb/jdbc/MultiTest.java

@@ -1457,7 +1457,7 @@ public void shouldDuplicateKeyUpdateNotReturnExtraRows() throws Throwable {
       }
       try (PreparedStatement pstmt =
           con.prepareStatement(
-              "INSERT INTO testMultiGeneratedKey (id, text) VALUES (?, ?) "
+              "INSERT INTO testMultiGeneratedKey (id, text) \nVALUES (?, ?) "
                   + "ON DUPLICATE KEY UPDATE text = VALUES(text)",
               Statement.RETURN_GENERATED_KEYS)) {
         // Insert a row.