Merge remote-tracking branch 'refs/remotes/origin/master' into ISSUE_…

…31437_WITH_KEYWORD_QUERY_ERROR_MYSQL
apache · Dec 26, 2024 · 6c8660a · 6c8660a
2 parents 027ea9f + ad02d16
commit 6c8660a
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diff --git a/RELEASE-NOTES.md b/RELEASE-NOTES.md
@@ -41,6 +41,9 @@
 1. SQL Binder: Support select with statement sql bind and add bind test case - [#34141](https://github.com/apache/shardingsphere/pull/34141)
 1. SQL Binder: Support sql bind for select with current select projection reference - [#34151](https://github.com/apache/shardingsphere/pull/34151)
 1. SQL Binder: Support alter table, drop table sql bind and add test case - [#34154](https://github.com/apache/shardingsphere/pull/34154)
+1. SQL Binder: Support rename table statement sql bind and split segment bind to ddl and dml package - [#34158](https://github.com/apache/shardingsphere/pull/34158)
+1. SQL Binder: Support copy statement sql bind and add bind test case - [#34159](https://github.com/apache/shardingsphere/pull/34159)
+1. SQL Binder: Support truncate table sql bind and add test case - [#34162](https://github.com/apache/shardingsphere/pull/34162)
 
 ### Bug Fixes
 

diff --git a/...java/org/apache/shardingsphere/sharding/checker/sql/dml/ShardingCopySupportedChecker.java b/...java/org/apache/shardingsphere/sharding/checker/sql/dml/ShardingCopySupportedChecker.java
@@ -35,12 +35,12 @@ public final class ShardingCopySupportedChecker implements SupportedSQLChecker<C
 
     @Override
     public boolean isCheck(final SQLStatementContext sqlStatementContext) {
-        return sqlStatementContext instanceof CopyStatementContext;
+        return sqlStatementContext instanceof CopyStatementContext && ((CopyStatementContext) sqlStatementContext).getSqlStatement().getTable().isPresent();
     }
 
     @Override
     public void check(final ShardingRule rule, final ShardingSphereDatabase database, final ShardingSphereSchema currentSchema, final CopyStatementContext sqlStatementContext) {
-        String tableName = sqlStatementContext.getSqlStatement().getTableSegment().getTableName().getIdentifier().getValue();
+        String tableName = sqlStatementContext.getSqlStatement().getTable().map(optional -> optional.getTableName().getIdentifier().getValue()).orElse("");
         ShardingSpherePreconditions.checkState(!rule.isShardingTable(tableName), () -> new UnsupportedShardingOperationException("COPY", tableName));
     }
 }
diff --git a/.../org/apache/shardingsphere/sharding/checker/sql/dml/ShardingCopySupportedCheckerTest.java b/.../org/apache/shardingsphere/sharding/checker/sql/dml/ShardingCopySupportedCheckerTest.java
@@ -45,14 +45,14 @@ class ShardingCopySupportedCheckerTest {
     @Test
     void assertCheckWhenTableSegmentForPostgreSQL() {
         PostgreSQLCopyStatement sqlStatement = new PostgreSQLCopyStatement();
-        sqlStatement.setTableSegment(new SimpleTableSegment(new TableNameSegment(0, 0, new IdentifierValue("t_order"))));
+        sqlStatement.setTable(new SimpleTableSegment(new TableNameSegment(0, 0, new IdentifierValue("t_order"))));
         assertDoesNotThrow(() -> new ShardingCopySupportedChecker().check(rule, mock(), mock(), new CopyStatementContext(sqlStatement)));
     }
 
     @Test
     void assertCheckWhenTableSegmentForOpenGauss() {
         OpenGaussCopyStatement sqlStatement = new OpenGaussCopyStatement();
-        sqlStatement.setTableSegment(new SimpleTableSegment(new TableNameSegment(0, 0, new IdentifierValue("t_order"))));
+        sqlStatement.setTable(new SimpleTableSegment(new TableNameSegment(0, 0, new IdentifierValue("t_order"))));
         assertDoesNotThrow(() -> new ShardingCopySupportedChecker().check(rule, mock(), mock(), new CopyStatementContext(sqlStatement)));
     }
 
@@ -67,7 +67,7 @@ void assertCheckCopyWithShardingTableForOpenGauss() {
     }
 
     private void assertCheckCopyTable(final CopyStatement sqlStatement) {
-        sqlStatement.setTableSegment(new SimpleTableSegment(new TableNameSegment(0, 0, new IdentifierValue("t_order"))));
+        sqlStatement.setTable(new SimpleTableSegment(new TableNameSegment(0, 0, new IdentifierValue("t_order"))));
         CopyStatementContext sqlStatementContext = new CopyStatementContext(sqlStatement);
         String tableName = "t_order";
         when(rule.isShardingTable(tableName)).thenReturn(true);

diff --git a/...va/org/apache/shardingsphere/infra/binder/context/statement/dml/CopyStatementContext.java b/...va/org/apache/shardingsphere/infra/binder/context/statement/dml/CopyStatementContext.java
@@ -21,8 +21,12 @@
 import org.apache.shardingsphere.infra.binder.context.segment.table.TablesContext;
 import org.apache.shardingsphere.infra.binder.context.statement.CommonSQLStatementContext;
 import org.apache.shardingsphere.infra.binder.context.type.TableAvailable;
+import org.apache.shardingsphere.sql.parser.statement.core.segment.generic.table.SimpleTableSegment;
 import org.apache.shardingsphere.sql.parser.statement.core.statement.dml.CopyStatement;
 
+import java.util.Collection;
+import java.util.Collections;
+
 /**
  * Copy statement context.
  */
@@ -33,7 +37,8 @@ public final class CopyStatementContext extends CommonSQLStatementContext implem
 
     public CopyStatementContext(final CopyStatement sqlStatement) {
         super(sqlStatement);
-        tablesContext = new TablesContext(sqlStatement.getTableSegment());
+        Collection<SimpleTableSegment> tables = sqlStatement.getTable().isPresent() ? Collections.singleton(sqlStatement.getTable().get()) : Collections.emptyList();
+        tablesContext = new TablesContext(tables);
     }
 
     @Override

diff --git a/...nder/src/main/java/org/apache/shardingsphere/infra/binder/engine/segment/SegmentType.java b/...nder/src/main/java/org/apache/shardingsphere/infra/binder/engine/segment/SegmentType.java
@@ -22,5 +22,5 @@
  */
 public enum SegmentType {
 
-    PROJECTION, PREDICATE, JOIN_ON, JOIN_USING, ORDER_BY, GROUP_BY, LOCK, SET_ASSIGNMENT, VALUES, INSERT_COLUMNS, DEFINITION_COLUMNS
+    PROJECTION, PREDICATE, JOIN_ON, JOIN_USING, ORDER_BY, GROUP_BY, LOCK, SET_ASSIGNMENT, VALUES, COPY, INSERT_COLUMNS, DEFINITION_COLUMNS
 }
diff --git a/...column/ColumnDefinitionSegmentBinder.java → ...column/ColumnDefinitionSegmentBinder.java b/...column/ColumnDefinitionSegmentBinder.java → ...column/ColumnDefinitionSegmentBinder.java
@@ -15,17 +15,17 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.infra.binder.engine.segment.column;
+package org.apache.shardingsphere.infra.binder.engine.segment.ddl.column;
 
 import com.cedarsoftware.util.CaseInsensitiveMap.CaseInsensitiveString;
 import com.google.common.collect.LinkedHashMultimap;
 import com.google.common.collect.Multimap;
 import lombok.AccessLevel;
 import lombok.NoArgsConstructor;
 import org.apache.shardingsphere.infra.binder.engine.segment.SegmentType;
-import org.apache.shardingsphere.infra.binder.engine.segment.expression.type.ColumnSegmentBinder;
-import org.apache.shardingsphere.infra.binder.engine.segment.from.context.TableSegmentBinderContext;
-import org.apache.shardingsphere.infra.binder.engine.segment.from.type.SimpleTableSegmentBinder;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.expression.type.ColumnSegmentBinder;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.from.context.TableSegmentBinderContext;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.from.type.SimpleTableSegmentBinder;
 import org.apache.shardingsphere.infra.binder.engine.statement.SQLStatementBinderContext;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.ddl.column.ColumnDefinitionSegment;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.column.ColumnSegment;

diff --git a/...dingsphere/infra/binder/engine/segment/ddl/column/RenameTableDefinitionSegmentBinder.java b/...dingsphere/infra/binder/engine/segment/ddl/column/RenameTableDefinitionSegmentBinder.java
@@ -0,0 +1,50 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.shardingsphere.infra.binder.engine.segment.ddl.column;
+
+import com.cedarsoftware.util.CaseInsensitiveMap.CaseInsensitiveString;
+import com.google.common.collect.Multimap;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.from.context.TableSegmentBinderContext;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.from.type.SimpleTableSegmentBinder;
+import org.apache.shardingsphere.infra.binder.engine.statement.SQLStatementBinderContext;
+import org.apache.shardingsphere.sql.parser.statement.core.segment.ddl.table.RenameTableDefinitionSegment;
+
+/**
+ * Rename table definition segment binder.
+ */
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public final class RenameTableDefinitionSegmentBinder {
+
+    /**
+     * Bind rename table definition segment.
+     *
+     * @param segment rename table definition segment
+     * @param binderContext SQL statement binder context
+     * @param tableBinderContexts table binder contexts
+     * @return bound rename table definition segment
+     */
+    public static RenameTableDefinitionSegment bind(final RenameTableDefinitionSegment segment, final SQLStatementBinderContext binderContext,
+                                                    final Multimap<CaseInsensitiveString, TableSegmentBinderContext> tableBinderContexts) {
+        RenameTableDefinitionSegment result = new RenameTableDefinitionSegment(segment.getStartIndex(), segment.getStopIndex());
+        result.setTable(SimpleTableSegmentBinder.bind(segment.getTable(), binderContext, tableBinderContexts));
+        result.setRenameTable(SimpleTableSegmentBinder.bind(segment.getRenameTable(), binderContext, tableBinderContexts));
+        return result;
+    }
+}
diff --git a/...gment/assign/AssignmentSegmentBinder.java → ...t/dml/assign/AssignmentSegmentBinder.java b/...gment/assign/AssignmentSegmentBinder.java → ...t/dml/assign/AssignmentSegmentBinder.java
@@ -15,16 +15,16 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.infra.binder.engine.segment.assign;
+package org.apache.shardingsphere.infra.binder.engine.segment.dml.assign;
 
 import com.cedarsoftware.util.CaseInsensitiveMap.CaseInsensitiveString;
 import com.google.common.collect.Multimap;
 import lombok.AccessLevel;
 import lombok.NoArgsConstructor;
 import org.apache.shardingsphere.infra.binder.engine.segment.SegmentType;
-import org.apache.shardingsphere.infra.binder.engine.segment.expression.ExpressionSegmentBinder;
-import org.apache.shardingsphere.infra.binder.engine.segment.expression.type.ColumnSegmentBinder;
-import org.apache.shardingsphere.infra.binder.engine.segment.from.context.TableSegmentBinderContext;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.expression.ExpressionSegmentBinder;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.expression.type.ColumnSegmentBinder;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.from.context.TableSegmentBinderContext;
 import org.apache.shardingsphere.infra.binder.engine.statement.SQLStatementBinderContext;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.assignment.ColumnAssignmentSegment;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.assignment.SetAssignmentSegment;

diff --git a/...nt/column/InsertColumnsSegmentBinder.java → ...ml/column/InsertColumnsSegmentBinder.java b/...nt/column/InsertColumnsSegmentBinder.java → ...ml/column/InsertColumnsSegmentBinder.java
@@ -15,16 +15,16 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.infra.binder.engine.segment.column;
+package org.apache.shardingsphere.infra.binder.engine.segment.dml.column;
 
 import com.cedarsoftware.util.CaseInsensitiveMap.CaseInsensitiveString;
 import com.google.common.collect.LinkedHashMultimap;
 import com.google.common.collect.Multimap;
 import lombok.AccessLevel;
 import lombok.NoArgsConstructor;
 import org.apache.shardingsphere.infra.binder.engine.segment.SegmentType;
-import org.apache.shardingsphere.infra.binder.engine.segment.expression.type.ColumnSegmentBinder;
-import org.apache.shardingsphere.infra.binder.engine.segment.from.context.TableSegmentBinderContext;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.expression.type.ColumnSegmentBinder;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.from.context.TableSegmentBinderContext;
 import org.apache.shardingsphere.infra.binder.engine.statement.SQLStatementBinderContext;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.column.ColumnSegment;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.column.InsertColumnsSegment;

diff --git a/...segment/combine/CombineSegmentBinder.java → ...ent/dml/combine/CombineSegmentBinder.java b/...segment/combine/CombineSegmentBinder.java → ...ent/dml/combine/CombineSegmentBinder.java
@@ -15,13 +15,13 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.infra.binder.engine.segment.combine;
+package org.apache.shardingsphere.infra.binder.engine.segment.dml.combine;
 
 import com.cedarsoftware.util.CaseInsensitiveMap;
 import com.google.common.collect.Multimap;
 import lombok.AccessLevel;
 import lombok.NoArgsConstructor;
-import org.apache.shardingsphere.infra.binder.engine.segment.from.context.TableSegmentBinderContext;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.from.context.TableSegmentBinderContext;
 import org.apache.shardingsphere.infra.binder.engine.statement.SQLStatementBinderContext;
 import org.apache.shardingsphere.infra.binder.engine.statement.dml.SelectStatementBinder;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.combine.CombineSegment;

diff --git a/...t/expression/ExpressionSegmentBinder.java → ...l/expression/ExpressionSegmentBinder.java b/...t/expression/ExpressionSegmentBinder.java → ...l/expression/ExpressionSegmentBinder.java
@@ -15,23 +15,23 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.infra.binder.engine.segment.expression;
+package org.apache.shardingsphere.infra.binder.engine.segment.dml.expression;
 
 import com.cedarsoftware.util.CaseInsensitiveMap.CaseInsensitiveString;
 import com.google.common.collect.LinkedHashMultimap;
 import com.google.common.collect.Multimap;
 import lombok.AccessLevel;
 import lombok.NoArgsConstructor;
 import org.apache.shardingsphere.infra.binder.engine.segment.SegmentType;
-import org.apache.shardingsphere.infra.binder.engine.segment.expression.type.BetweenExpressionSegmentBinder;
-import org.apache.shardingsphere.infra.binder.engine.segment.expression.type.BinaryOperationExpressionBinder;
-import org.apache.shardingsphere.infra.binder.engine.segment.expression.type.ColumnSegmentBinder;
-import org.apache.shardingsphere.infra.binder.engine.segment.expression.type.ExistsSubqueryExpressionBinder;
-import org.apache.shardingsphere.infra.binder.engine.segment.expression.type.FunctionExpressionSegmentBinder;
-import org.apache.shardingsphere.infra.binder.engine.segment.expression.type.InExpressionBinder;
-import org.apache.shardingsphere.infra.binder.engine.segment.expression.type.NotExpressionBinder;
-import org.apache.shardingsphere.infra.binder.engine.segment.expression.type.SubquerySegmentBinder;
-import org.apache.shardingsphere.infra.binder.engine.segment.from.context.TableSegmentBinderContext;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.expression.type.BetweenExpressionSegmentBinder;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.expression.type.BinaryOperationExpressionBinder;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.expression.type.ColumnSegmentBinder;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.expression.type.ExistsSubqueryExpressionBinder;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.expression.type.FunctionExpressionSegmentBinder;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.expression.type.InExpressionBinder;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.expression.type.NotExpressionBinder;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.expression.type.SubquerySegmentBinder;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.from.context.TableSegmentBinderContext;
 import org.apache.shardingsphere.infra.binder.engine.statement.SQLStatementBinderContext;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.column.ColumnSegment;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.BetweenExpression;

diff --git a/.../type/BetweenExpressionSegmentBinder.java → .../type/BetweenExpressionSegmentBinder.java b/.../type/BetweenExpressionSegmentBinder.java → .../type/BetweenExpressionSegmentBinder.java
@@ -15,15 +15,15 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.infra.binder.engine.segment.expression.type;
+package org.apache.shardingsphere.infra.binder.engine.segment.dml.expression.type;
 
 import com.cedarsoftware.util.CaseInsensitiveMap.CaseInsensitiveString;
 import com.google.common.collect.Multimap;
 import lombok.AccessLevel;
 import lombok.NoArgsConstructor;
 import org.apache.shardingsphere.infra.binder.engine.segment.SegmentType;
-import org.apache.shardingsphere.infra.binder.engine.segment.expression.ExpressionSegmentBinder;
-import org.apache.shardingsphere.infra.binder.engine.segment.from.context.TableSegmentBinderContext;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.expression.ExpressionSegmentBinder;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.from.context.TableSegmentBinderContext;
 import org.apache.shardingsphere.infra.binder.engine.statement.SQLStatementBinderContext;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.BetweenExpression;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.ExpressionSegment;

diff --git a/...type/BinaryOperationExpressionBinder.java → ...type/BinaryOperationExpressionBinder.java b/...type/BinaryOperationExpressionBinder.java → ...type/BinaryOperationExpressionBinder.java
@@ -15,15 +15,15 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.infra.binder.engine.segment.expression.type;
+package org.apache.shardingsphere.infra.binder.engine.segment.dml.expression.type;
 
 import com.cedarsoftware.util.CaseInsensitiveMap.CaseInsensitiveString;
 import com.google.common.collect.Multimap;
 import lombok.AccessLevel;
 import lombok.NoArgsConstructor;
 import org.apache.shardingsphere.infra.binder.engine.segment.SegmentType;
-import org.apache.shardingsphere.infra.binder.engine.segment.expression.ExpressionSegmentBinder;
-import org.apache.shardingsphere.infra.binder.engine.segment.from.context.TableSegmentBinderContext;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.expression.ExpressionSegmentBinder;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.from.context.TableSegmentBinderContext;
 import org.apache.shardingsphere.infra.binder.engine.statement.SQLStatementBinderContext;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.BinaryOperationExpression;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.ExpressionSegment;

diff --git a/.../expression/type/ColumnSegmentBinder.java → .../expression/type/ColumnSegmentBinder.java b/.../expression/type/ColumnSegmentBinder.java → .../expression/type/ColumnSegmentBinder.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.infra.binder.engine.segment.expression.type;
+package org.apache.shardingsphere.infra.binder.engine.segment.dml.expression.type;
 
 import com.cedarsoftware.util.CaseInsensitiveMap.CaseInsensitiveString;
 import com.cedarsoftware.util.CaseInsensitiveSet;
@@ -25,9 +25,9 @@
 import lombok.NoArgsConstructor;
 import org.apache.groovy.util.Maps;
 import org.apache.shardingsphere.infra.binder.engine.segment.SegmentType;
-import org.apache.shardingsphere.infra.binder.engine.segment.from.context.TableSegmentBinderContext;
-import org.apache.shardingsphere.infra.binder.engine.segment.from.context.type.FunctionTableSegmentBinderContext;
-import org.apache.shardingsphere.infra.binder.engine.segment.from.context.type.SimpleTableSegmentBinderContext;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.from.context.TableSegmentBinderContext;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.from.context.type.FunctionTableSegmentBinderContext;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.from.context.type.SimpleTableSegmentBinderContext;
 import org.apache.shardingsphere.infra.binder.engine.statement.SQLStatementBinderContext;
 import org.apache.shardingsphere.infra.exception.core.ShardingSpherePreconditions;
 import org.apache.shardingsphere.infra.exception.kernel.metadata.ColumnNotFoundException;

diff --git a/.../type/ExistsSubqueryExpressionBinder.java → .../type/ExistsSubqueryExpressionBinder.java b/.../type/ExistsSubqueryExpressionBinder.java → .../type/ExistsSubqueryExpressionBinder.java
@@ -15,13 +15,13 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.infra.binder.engine.segment.expression.type;
+package org.apache.shardingsphere.infra.binder.engine.segment.dml.expression.type;
 
 import com.cedarsoftware.util.CaseInsensitiveMap.CaseInsensitiveString;
 import com.google.common.collect.Multimap;
 import lombok.AccessLevel;
 import lombok.NoArgsConstructor;
-import org.apache.shardingsphere.infra.binder.engine.segment.from.context.TableSegmentBinderContext;
+import org.apache.shardingsphere.infra.binder.engine.segment.dml.from.context.TableSegmentBinderContext;
 import org.apache.shardingsphere.infra.binder.engine.statement.SQLStatementBinderContext;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.ExistsSubqueryExpression;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.subquery.SubquerySegment;