fix format bug

hutool-db/src/main/java/org/dromara/hutool/db/sql/SqlBuilder.java

@@ -615,6 +615,15 @@ public class SqlBuilder implements Builder<String> {
 		return this.paramValues.toArray(new Object[0]);
 	}
 
+	/**
+	 * 格式化SQL语句
+	 * @return SqlBuilder
+	 */
+	public SqlBuilder format() {
+		this.sql.replace(0, this.sql.length(), SqlFormatter.format(this.sql.toString()));
+		return this;
+	}
+
 	/**
 	 * 构建，默认打印SQL日志
 	 *

hutool-db/src/main/java/org/dromara/hutool/db/sql/SqlFormatter.java

@@ -122,6 +122,12 @@ public class SqlFormatter {
 						t = this.tokens.nextToken();
 						this.token += t;
 					} while (!"\"".equals(t));
+				} else if ("`".equals(this.token)) {
+					String t;
+					do {
+						t = this.tokens.nextToken();
+						this.token += t;
+					} while (!"`".equals(t));
 				}
 
 				if ((this.afterByOrSetOrFromOrSelect) && (",".equals(this.token))) {
@@ -320,7 +326,7 @@ public class SqlFormatter {
 		}
 
 		private static boolean isFunctionName(final String tok) {
-			if(StrUtil.isEmpty(tok)){
+			if (StrUtil.isEmpty(tok)) {
 				return true;
 			}
 			final char begin = tok.charAt(0);

hutool-db/src/test/java/org/dromara/hutool/db/sql/SqlFormatterTest.java

@@ -1,5 +1,6 @@
 package org.dromara.hutool.db.sql;
 
+import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 
 public class SqlFormatterTest {
@@ -11,4 +12,15 @@ public class SqlFormatterTest {
 		final String sql = "(select 1 from dual) union all (select 1 from dual)";
 		SqlFormatter.format(sql);
 	}
+
+	@Test
+	public void issue3246Test() {
+		final String sql = "select * from `order`";
+		final String format = SqlFormatter.format(sql);
+		Assertions.assertEquals(
+			"select\n" +
+			"        * \n" +
+			"    from\n" +
+			"        `order`", format);
+	}
 }