direct load detach task support 451 (#419)

Author: suz-yang

src/main/java/com/alipay/oceanbase/rpc/ObGlobal.java

@@ -172,6 +172,8 @@ public static boolean isDistributeNeedTabletIdSupport() {
 
     public static final long OB_VERSION_4_5_0_0 = calcVersion(4, (short) 5, (byte) 0, (byte) 0);
 
+    public static final long OB_VERSION_4_5_1_0 = calcVersion(4, (short) 5, (byte) 1, (byte) 0);
+
     public static long       OB_VERSION         = calcVersion(0, (short) 0, (byte) 0, (byte) 0);
 
     /*-------------------------------------------- OB_PROXY_VERSION --------------------------------------------*/

src/main/java/com/alipay/oceanbase/rpc/direct_load/protocol/v0/ObDirectLoadProtocolV0.java

@@ -125,12 +125,14 @@ public ObDirectLoadDetachRpc getDetachRpc(ObDirectLoadTraceId traceId)
                             + " is not supported, minimum version required is "
                             + ObGlobal.getObVsnString(ObGlobal.OB_VERSION_4_4_2_0));
             }
-        } else {
+        } else if (obVersion < ObGlobal.OB_VERSION_4_5_1_0) {
             logger.warn("detach in ob version " + ObGlobal.getObVsnString(obVersion)
-                        + "is not supported");
-            throw new ObDirectLoadNotSupportedException("detach in ob version "
-                                                        + ObGlobal.getObVsnString(obVersion)
-                                                        + " is not supported");
+                        + "is not supported, minimum version required is "
+                        + ObGlobal.getObVsnString(ObGlobal.OB_VERSION_4_5_1_0));
+            throw new ObDirectLoadNotSupportedException(
+                "detach in ob version " + ObGlobal.getObVsnString(obVersion)
+                        + " is not supported, minimum version required is "
+                        + ObGlobal.getObVsnString(ObGlobal.OB_VERSION_4_5_1_0));
         }
         return new ObDirectLoadDetachRpcV0(traceId);
     }