fix(query): Fix drop Aggregating index failed (#19131)

* fix(query): Fix drop Aggregating index failed

* fix

* fix

Author: b41sh

src/query/sql/src/planner/binder/ddl/index.rs

@@ -296,9 +296,10 @@ impl Binder {
     ) -> Result<Plan> {
         let DropIndexStmt { if_exists, index } = stmt;
 
+        let index_name = self.normalize_object_identifier(index);
         let plan = DropIndexPlan {
             if_exists: *if_exists,
-            index: index.to_string(),
+            index: index_name,
         };
         Ok(Plan::DropIndex(Box::new(plan)))
     }

tests/sqllogictests/suites/query/index/02_aggregating_index/02_0004_ddl_create_drop_index.test

@@ -56,8 +56,15 @@ CREATE OR REPLACE AGGREGATING INDEX replace_idx AS SELECT b, SUM(a) FROM t1 WHER
 statement ok
 DROP AGGREGATING INDEX replace_idx
 
+statement ok
+CREATE AGGREGATING INDEX "Test.agg.idx" AS SELECT SUM(a), b FROM t1 WHERE b > 3 GROUP BY b
+
+statement ok
+DROP AGGREGATING INDEX "Test.agg.idx"
+
 statement ok
 USE default
 
 statement ok
 DROP DATABASE IF EXISTS test_index_db
+