Support drop index sql bind and add test case.

infra/binder/src/main/java/org/apache/shardingsphere/infra/binder/engine/statement/ddl/DropIndexStatementBinder.java

@@ -0,0 +1,59 @@
+/*
+ * 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.statement.ddl;
+
+import com.cedarsoftware.util.CaseInsensitiveMap;
+import com.google.common.collect.LinkedHashMultimap;
+import com.google.common.collect.Multimap;
+import lombok.SneakyThrows;
+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.SQLStatementBinder;
+import org.apache.shardingsphere.infra.binder.engine.statement.SQLStatementBinderContext;
+import org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.DropIndexStatement;
+
+/**
+ * Drop index statement binder.
+ */
+public class DropIndexStatementBinder implements SQLStatementBinder<DropIndexStatement> {
+
+    @Override
+    public DropIndexStatement bind(final DropIndexStatement sqlStatement, final SQLStatementBinderContext binderContext) {
+        if (!sqlStatement.getSimpleTable().isPresent()) {
+            return sqlStatement;
+        }
+        DropIndexStatement result = copy(sqlStatement);
+        Multimap<CaseInsensitiveMap.CaseInsensitiveString, TableSegmentBinderContext> tableBinderContexts = LinkedHashMultimap.create();
+        result.setSimpleTable(SimpleTableSegmentBinder.bind(sqlStatement.getSimpleTable().get(), binderContext, tableBinderContexts));
+        sqlStatement.getIndexes().forEach(each -> result.getIndexes().add(each));
+        return result;
+    }
+
+    @SneakyThrows(ReflectiveOperationException.class)
+    private static DropIndexStatement copy(final DropIndexStatement sqlStatement) {
+        DropIndexStatement result = sqlStatement.getClass().getDeclaredConstructor().newInstance();
+        sqlStatement.getSimpleTable().ifPresent(result::setSimpleTable);
+        sqlStatement.getAlgorithmType().ifPresent(result::setAlgorithmType);
+        sqlStatement.getLockTable().ifPresent(result::setLockTable);
+        result.setIfExists(sqlStatement.isIfExists());
+        result.addParameterMarkerSegments(sqlStatement.getParameterMarkerSegments());
+        result.getCommentSegments().addAll(sqlStatement.getCommentSegments());
+        result.getVariableNames().addAll(sqlStatement.getVariableNames());
+        return result;
+    }
+}

infra/binder/src/main/java/org/apache/shardingsphere/infra/binder/engine/type/DDLStatementBindEngine.java

@@ -25,6 +25,7 @@
 import org.apache.shardingsphere.infra.binder.engine.statement.ddl.CreateTableStatementBinder;
 import org.apache.shardingsphere.infra.binder.engine.statement.ddl.CursorStatementBinder;
 import org.apache.shardingsphere.infra.binder.engine.statement.ddl.DropTableStatementBinder;
+import org.apache.shardingsphere.infra.binder.engine.statement.ddl.DropIndexStatementBinder;
 import org.apache.shardingsphere.infra.binder.engine.statement.ddl.RenameTableStatementBinder;
 import org.apache.shardingsphere.infra.binder.engine.statement.ddl.TruncateStatementBinder;
 import org.apache.shardingsphere.infra.hint.HintValueContext;
@@ -36,6 +37,7 @@
 import org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.CursorStatement;
 import org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.DDLStatement;
 import org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.DropTableStatement;
+import org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.DropIndexStatement;
 import org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.RenameTableStatement;
 import org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.TruncateStatement;
 
@@ -83,6 +85,9 @@ public DDLStatement bind(final DDLStatement statement) {
         if (statement instanceof TruncateStatement) {
             return new TruncateStatementBinder().bind((TruncateStatement) statement, binderContext);
         }
+        if (statement instanceof DropIndexStatement) {
+            return new DropIndexStatementBinder().bind((DropIndexStatement) statement, binderContext);
+        }
         return statement;
     }
 }

parser/sql/dialect/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/sqlserver/visitor/statement/type/SQLServerDDLStatementVisitor.java

@@ -348,7 +348,8 @@ public ASTNode visitAlterIndex(final AlterIndexContext ctx) {
 
     @Override
     public ASTNode visitDropIndex(final DropIndexContext ctx) {
-        SQLServerDropIndexStatement result = new SQLServerDropIndexStatement(null != ctx.ifExists());
+        SQLServerDropIndexStatement result = new SQLServerDropIndexStatement();
+        result.setIfExists(null != ctx.ifExists());
         result.getIndexes().add((IndexSegment) visit(ctx.indexName()));
         result.setSimpleTable((SimpleTableSegment) visit(ctx.tableName()));
         return result;

parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/ddl/DropIndexStatement.java

@@ -45,6 +45,14 @@ public Optional<SimpleTableSegment> getSimpleTable() {
         return Optional.empty();
     }
 
+    /**
+     * Set simple table.
+     *
+     * @param simpleTableSegment simple table
+     */
+    public void setSimpleTable(final SimpleTableSegment simpleTableSegment) {
+    }
+
     /**
      * Judge whether contains exist clause or not.
      *
@@ -54,6 +62,14 @@ public boolean isIfExists() {
         return false;
     }
 
+    /**
+     * Set if exists or not.
+     *
+     * @param ifExists if exists or not
+     */
+    public void setIfExists(final boolean ifExists) {
+    }
+
     /**
      * Get algorithm type.
      *
@@ -63,6 +79,14 @@ public Optional<AlgorithmTypeSegment> getAlgorithmType() {
         return Optional.empty();
     }
 
+    /**
+     * Set algorithm type.
+     *
+     * @param algorithmTypeSegment algorithm type
+     */
+    public void setAlgorithmType(final AlgorithmTypeSegment algorithmTypeSegment) {
+    }
+
     /**
      * Get lock table segment.
      *
@@ -71,4 +95,12 @@ public Optional<AlgorithmTypeSegment> getAlgorithmType() {
     public Optional<LockTableSegment> getLockTable() {
         return Optional.empty();
     }
+
+    /**
+     * Set lock table segment.
+     *
+     * @param lockTableSegment lock table segment
+     */
+    public void setLockTable(final LockTableSegment lockTableSegment) {
+    }
 }

parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/ddl/SQLServerDropIndexStatement.java

@@ -34,7 +34,7 @@
 @Setter
 public final class SQLServerDropIndexStatement extends DropIndexStatement implements SQLServerStatement {
 
-    private final boolean ifExists;
+    private boolean ifExists;
 
     private SimpleTableSegment simpleTable;
 

test/it/binder/src/test/resources/cases/ddl/drop-index.xml

@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ 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.
+  -->
+
+<sql-parser-test-cases>
+    <drop-index sql-case-id="drop_index">
+        <index name="idx_user_id" start-index="11" stop-index="21"/>
+        <table name="t_order" start-index="26" stop-index="32">
+            <table-bound>
+                <original-database name="foo_db_1"/>
+                <original-schema name="foo_db_1"/>
+            </table-bound>
+        </table>
+    </drop-index>
+    <drop-index sql-case-id="drop_index_for_sqlserver">
+        <index name="idx_user_id" start-index="11" stop-index="21"/>
+        <table name="t_order" start-index="26" stop-index="32">
+            <table-bound>
+                <original-database name="foo_db_1"/>
+                <original-schema name="dbo"/>
+            </table-bound>
+        </table>
+    </drop-index>
+    <drop-index sql-case-id="drop_index_with_lock_algorithm">
+        <index name="idx_user_id" start-index="11" stop-index="21"/>
+        <table name="t_order" start-index="26" stop-index="32">
+            <table-bound>
+                <original-database name="foo_db_1"/>
+                <original-schema name="foo_db_1"/>
+            </table-bound>
+        </table>
+        <lock-option type="SHARED" start-index="40" stop-index="50"/>
+        <algorithm-option type="COPY" start-index="52" stop-index="65"/>
+    </drop-index>
+</sql-parser-test-cases>

test/it/binder/src/test/resources/sqls/ddl/drop-index.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ 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.
+  -->
+
+<sql-cases>
+    <sql-case id="drop_index" value="DROP INDEX idx_user_id ON t_order" db-types="MySQL,Doris" />
+    <sql-case id="drop_index_for_sqlserver" value="DROP INDEX idx_user_id ON t_order" db-types="SQLServer" />
+    <sql-case id="drop_index_with_lock_algorithm" value="DROP INDEX idx_user_id ON t_order LOCK=SHARED ALGORITHM=COPY" db-types="MySQL,Doris" />
+</sql-cases>