Fix FF pattern in TO_CHAR

h2/src/main/org/h2/util/ToChar.java

@@ -748,7 +748,7 @@ public class ToChar {
                 output.append(ff);
                 i += 3;
             } else if ((cap = containsAt(format, i, "FF")) != null) {
-                output.append(nanos / 1_000);
+                StringUtils.appendZeroPadded(output, 9, nanos);
                 i += 2;
 
                 // Time zone

h2/src/test/org/h2/test/db/TestFunctions.java

@@ -1453,7 +1453,7 @@ public class TestFunctions extends TestBase implements AggregateFunction {
         assertResult("-100-01-15 14:04:02.12", stat, "SELECT X FROM U");
         String expected = String.format("%tb", timestamp1979).toUpperCase();
         expected = stripTrailingPeriod(expected);
-        assertResult("12-" + expected + "-79 08.12.34.560000 AM", stat,
+        assertResult("12-" + expected + "-79 08.12.34.560000000 AM", stat,
                 "SELECT TO_CHAR(X) FROM T");
         assertResult("- / , . ; : text - /", stat,
                 "SELECT TO_CHAR(X, '- / , . ; : \"text\" - /') FROM T");
@@ -1534,7 +1534,7 @@ public class TestFunctions extends TestBase implements AggregateFunction {
         assertResult(Capitalization.CAPITALIZE.apply(expected), stat, "SELECT TO_CHAR(X, 'Dy') FROM T");
         assertResult(expected.toLowerCase(), stat, "SELECT TO_CHAR(X, 'dy') FROM T");
         assertResult(expected.toLowerCase(), stat, "SELECT TO_CHAR(X, 'dY') FROM T");
-        assertResult("08:12:34.560000", stat,
+        assertResult("08:12:34.560000000", stat,
                 "SELECT TO_CHAR(X, 'HH:MI:SS.FF') FROM T");
         assertResult("08:12:34.5", stat,
                 "SELECT TO_CHAR(X, 'HH:MI:SS.FF1') FROM T");
@@ -1554,10 +1554,8 @@ public class TestFunctions extends TestBase implements AggregateFunction {
                 "SELECT TO_CHAR(X, 'HH:MI:SS.FF8') FROM T");
         assertResult("08:12:34.560000000", stat,
                 "SELECT TO_CHAR(X, 'HH:MI:SS.FF9') FROM T");
-        assertResult("08:12:34.560000000", stat,
-                "SELECT TO_CHAR(X, 'HH:MI:SS.ff9') FROM T");
-        assertResult("08:12:34.560000000", stat,
-                "SELECT TO_CHAR(X, 'HH:MI:SS.fF9') FROM T");
+        assertResult("012345678", stat,
+                "SELECT TO_CHAR(TIME '0:00:00.012345678', 'FF') FROM T");
         assertResult("08:12", stat, "SELECT TO_CHAR(X, 'HH:MI') FROM T");
         assertResult("08:12", stat, "SELECT TO_CHAR(X, 'HH12:MI') FROM T");
         assertResult("08:12", stat, "SELECT TO_CHAR(X, 'HH24:MI') FROM T");