From 89f256ff155879e035fcff6fe8455038606b820a Mon Sep 17 00:00:00 2001
From: niu niu <zihaoAK47@aliyun.com>
Date: Wed, 18 Oct 2023 10:09:51 +0800
Subject: [PATCH] Change format code

---
 .../optimizer/metadata/schema/SQLFederationTable.java         | 2 +-
 .../optimizer/operator/physical/EnumerableModify.java         | 4 ++--
 .../planner/rule/converter/EnumerableModifyConverterRule.java | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/metadata/schema/SQLFederationTable.java b/kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/metadata/schema/SQLFederationTable.java
index b7a3d4c0dd524..b580026638985 100644
--- a/kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/metadata/schema/SQLFederationTable.java
+++ b/kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/metadata/schema/SQLFederationTable.java
@@ -135,7 +135,7 @@ public Statistic getStatistic() {
     
     @Override
     public Collection<Object[]> getModifiableCollection() {
-        return null;
+        throw new UnsupportedOperationException();
     }
     
     @Override
diff --git a/kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/operator/physical/EnumerableModify.java b/kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/operator/physical/EnumerableModify.java
index a35fd14ca6f97..458adb81ce807 100644
--- a/kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/operator/physical/EnumerableModify.java
+++ b/kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/operator/physical/EnumerableModify.java
@@ -46,7 +46,7 @@ public RelNode copy(final RelTraitSet traitSet, final List<RelNode> inputs) {
     
     @Override
     public Result implement(final EnumerableRelImplementor implementor, final Prefer prefer) {
-        // TODO generate delete statements based on the data set and related table information.
-        return null;
+        // TODO generate modification statements based on dataset and related table information.
+        throw new UnsupportedOperationException();
     }
 }
diff --git a/kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/planner/rule/converter/EnumerableModifyConverterRule.java b/kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/planner/rule/converter/EnumerableModifyConverterRule.java
index ed384cfbaf23e..b12378e97c2f2 100644
--- a/kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/planner/rule/converter/EnumerableModifyConverterRule.java
+++ b/kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/planner/rule/converter/EnumerableModifyConverterRule.java
@@ -43,7 +43,7 @@ private EnumerableModifyConverterRule(final Config config) {
     public RelNode convert(final RelNode rel) {
         TableModify modify = (TableModify) rel;
         ModifiableTable modifiableTable = modify.getTable().unwrap(ModifiableTable.class);
-        if (modifiableTable == null) {
+        if (null == modifiableTable) {
             return null;
         } else {
             RelTraitSet traitSet = modify.getTraitSet().replace(EnumerableConvention.INSTANCE);