Support NAME keyword in Oracle XMLELEMENT function

core/src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java

@@ -1873,6 +1873,15 @@ protected SQLExpr methodRest(SQLExpr expr, boolean acceptLPAREN) {
             SQLExpr contentExpr = expr();
             methodInvokeExpr.setContent(contentExpr);
         }
+        if ("XMLELEMENT".equals(methodName) && lexer.identifierEquals("NAME")) {
+            Lexer.SavePoint mark = lexer.markOut();
+            lexer.nextToken(); // Skip NAME if it is a keyword
+            if (lexer.token != Token.IDENTIFIER) {
+                // No other identifier name comes after NAME, so NAME itself is
+                // the xml element name. Reset lexer to NAME
+                lexer.reset(mark);
+            }
+        }
         if (token != Token.RPAREN && token != Token.FROM) {
             exprList(methodInvokeExpr.getArguments(), methodInvokeExpr);
             if (lexer.token == Token.RPAREN) {

core/src/test/java/com/alibaba/druid/bvt/sql/oracle/OracleXmlelementTest.java

@@ -0,0 +1,45 @@
+package com.alibaba.druid.bvt.sql.oracle;
+
+import com.alibaba.druid.sql.OracleTest;
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser;
+import com.alibaba.druid.sql.dialect.oracle.visitor.OracleSchemaStatVisitor;
+import org.junit.Assert;
+
+import java.util.List;
+
+public class OracleXmlelementTest extends OracleTest {
+    public void testOracleXmlelement() {
+        String sql = "SELECT /* NUSQL.TEST */ XMLELEMENT(NAME foo).getstringval() from dual";
+
+        OracleStatementParser parser = new OracleStatementParser(sql);
+        List<SQLStatement> statementList = parser.parseStatementList();
+        SQLStatement statement = statementList.get(0);
+        print(statementList);
+
+        Assert.assertEquals(1, statementList.size());
+
+        OracleSchemaStatVisitor visitor = new OracleSchemaStatVisitor();
+        statement.accept(visitor);
+
+        Assert.assertEquals(0, visitor.getTables().size());
+        Assert.assertEquals(0, visitor.getColumns().size());
+    }
+
+    public void testOracleXmlelement_WithoutNameKeyword() {
+        String sql = "SELECT /* NUSQL.TEST */ XMLELEMENT(foo).getstringval() from dual";
+
+        OracleStatementParser parser = new OracleStatementParser(sql);
+        List<SQLStatement> statementList = parser.parseStatementList();
+        SQLStatement statement = statementList.get(0);
+        print(statementList);
+
+        Assert.assertEquals(1, statementList.size());
+
+        OracleSchemaStatVisitor visitor = new OracleSchemaStatVisitor();
+        statement.accept(visitor);
+
+        Assert.assertEquals(0, visitor.getTables().size());
+        Assert.assertEquals(0, visitor.getColumns().size());
+    }
+}