fix: update mapping precision values

Signed-off-by: zacsun <zacsun@lilith.com>

Author: predator4ann

trino-connector/trino-connector/src/main/java/org/apache/gravitino/trino/connector/catalog/jdbc/mysql/MySQLDataTypeTransformer.java

@@ -55,24 +55,54 @@ public io.trino.spi.type.Type getTrinoType(Type type) {
   }
 
   private static TimestampWithTimeZoneType getTimestampWithTimeZoneType(int precision) {
-    if (precision == 0) return TimestampWithTimeZoneType.TIMESTAMP_TZ_SECONDS;
-    if (precision <= 3) return TimestampWithTimeZoneType.TIMESTAMP_TZ_MILLIS;
-    if (precision <= 6) return TimestampWithTimeZoneType.TIMESTAMP_TZ_MICROS;
-    return TimestampWithTimeZoneType.TIMESTAMP_TZ_NANOS;
+    switch (precision) {
+      case 0:
+        return TimestampWithTimeZoneType.TIMESTAMP_TZ_SECONDS;
+      case 3:
+        return TimestampWithTimeZoneType.TIMESTAMP_TZ_MILLIS;
+      case 6:
+        return TimestampWithTimeZoneType.TIMESTAMP_TZ_MICROS;
+      case 9:
+        return TimestampWithTimeZoneType.TIMESTAMP_TZ_NANOS;
+      default:
+        throw new TrinoException(
+            GravitinoErrorCode.GRAVITINO_ILLEGAL_ARGUMENT,
+            "Invalid timestamp precision: " + precision + ". Valid values are 0, 3, 6, 9");
+    }
   }
 
   private static TimestampType getTimestampType(int precision) {
-    if (precision == 0) return TimestampType.TIMESTAMP_SECONDS;
-    if (precision <= 3) return TimestampType.TIMESTAMP_MILLIS;
-    if (precision <= 6) return TimestampType.TIMESTAMP_MICROS;
-    return TimestampType.TIMESTAMP_NANOS;
+    switch (precision) {
+      case 0:
+        return TimestampType.TIMESTAMP_SECONDS;
+      case 3:
+        return TimestampType.TIMESTAMP_MILLIS;
+      case 6:
+        return TimestampType.TIMESTAMP_MICROS;
+      case 9:
+        return TimestampType.TIMESTAMP_NANOS;
+      default:
+        throw new TrinoException(
+            GravitinoErrorCode.GRAVITINO_ILLEGAL_ARGUMENT,
+            "Invalid timestamp precision: " + precision + ". Valid values are 0, 3, 6, 9");
+    }
   }
 
   private static TimeType getTimeType(int precision) {
-    if (precision == 0) return TimeType.TIME_SECONDS;
-    if (precision <= 3) return TimeType.TIME_MILLIS;
-    if (precision <= 6) return TimeType.TIME_MICROS;
-    return TimeType.TIME_NANOS;
+    switch (precision) {
+      case 0:
+        return TimeType.TIME_SECONDS;
+      case 3:
+        return TimeType.TIME_MILLIS;
+      case 6:
+        return TimeType.TIME_MICROS;
+      case 9:
+        return TimeType.TIME_NANOS;
+      default:
+        throw new TrinoException(
+            GravitinoErrorCode.GRAVITINO_ILLEGAL_ARGUMENT,
+            "Invalid time precision: " + precision + ". Valid values are 0, 3, 6, 9");
+    }
   }
 
   @Override