Enable flag in "rename column with special characters and data skipping stats" test

spark/src/test/scala/org/apache/spark/sql/delta/DeltaColumnRenameSuite.scala

@@ -569,69 +569,71 @@ class DeltaColumnRenameSuite extends QueryTest
   }
 
   testColumnMapping("rename column with special characters and data skipping stats") { mode =>
-    withTable("t1") {
-      spark.sql(
-        s"""
-           |CREATE TABLE t1 (c int, d string)
-           |USING DELTA
-           |TBLPROPERTIES (
-           |  '${DeltaConfigs.COLUMN_MAPPING_MODE.key}' = '$mode',
-           |  '${DeltaConfigs.DATA_SKIPPING_STATS_COLUMNS.key}' = 'c,d'
-           |)
-           |""".stripMargin)
-      spark.sql("INSERT INTO t1 VALUES (1, 'value1'), (2, 'value2'), (3, 'value3')")
-
-      // Verify stats are collected before rename
-      val deltaLog = DeltaLog.forTable(spark, spark.sessionState.catalog.getTableMetadata(
-        spark.sessionState.sqlParser.parseTableIdentifier("t1")))
-      val statsBefore = deltaLog.update().allFiles.collect().head.stats
-      assert(statsBefore != null && statsBefore.contains("numRecords"))
-
-      // Rename column c to a name with special characters
-      spark.sql("ALTER TABLE t1 RENAME COLUMN c TO `c#2`")
-
-      // Verify the rename worked
-      checkAnswer(
-        spark.table("t1"),
-        Seq(Row(1, "value1"), Row(2, "value2"), Row(3, "value3")))
-
-      // Verify we can query using the new column name
-      checkAnswer(
-        spark.sql("SELECT `c#2` FROM t1 WHERE `c#2` > 1"),
-        Seq(Row(2), Row(3)))
-
-      // Insert data after rename to ensure stats collection still works
-      spark.sql("INSERT INTO t1 VALUES (4, 'value4'), (5, 'value5')")
-
-      checkAnswer(
-        spark.table("t1"),
-        Seq(
-          Row(1, "value1"),
-          Row(2, "value2"),
-          Row(3, "value3"),
-          Row(4, "value4"),
-          Row(5, "value5")))
-
-      // Verify stats are still being collected after rename
-      val statsAfter = deltaLog.update().allFiles.collect().last.stats
-      assert(statsAfter != null && statsAfter.contains("numRecords"))
-
-      // Verify the rename history includes the escaped column name
-      val renameHistoryDf = sql("DESCRIBE HISTORY t1")
-        .where("operation = 'RENAME COLUMN'")
-        .select("operationParameters")
+    withSQLConf(DeltaSQLConf.DELTA_RENAME_COLUMN_ESCAPE_NAME.key -> "true") {
+      withTable("t1") {
+        spark.sql(
+          s"""
+             |CREATE TABLE t1 (c int, d string)
+             |USING DELTA
+             |TBLPROPERTIES (
+             |  '${DeltaConfigs.COLUMN_MAPPING_MODE.key}' = '$mode',
+             |  '${DeltaConfigs.DATA_SKIPPING_STATS_COLUMNS.key}' = 'c,d'
+             |)
+             |""".stripMargin)
+        spark.sql("INSERT INTO t1 VALUES (1, 'value1'), (2, 'value2'), (3, 'value3')")
+
+        // Verify stats are collected before rename
+        val deltaLog = DeltaLog.forTable(spark, spark.sessionState.catalog.getTableMetadata(
+          spark.sessionState.sqlParser.parseTableIdentifier("t1")))
+        val statsBefore = deltaLog.update().allFiles.collect().head.stats
+        assert(statsBefore != null && statsBefore.contains("numRecords"))
+
+        // Rename column c to a name with special characters
+        spark.sql("ALTER TABLE t1 RENAME COLUMN c TO `c#2`")
+
+        // Verify the rename worked
+        checkAnswer(
+          spark.table("t1"),
+          Seq(Row(1, "value1"), Row(2, "value2"), Row(3, "value3")))
+
+        // Verify we can query using the new column name
+        checkAnswer(
+          spark.sql("SELECT `c#2` FROM t1 WHERE `c#2` > 1"),
+          Seq(Row(2), Row(3)))
+
+        // Insert data after rename to ensure stats collection still works
+        spark.sql("INSERT INTO t1 VALUES (4, 'value4'), (5, 'value5')")
+
+        checkAnswer(
+          spark.table("t1"),
+          Seq(
+            Row(1, "value1"),
+            Row(2, "value2"),
+            Row(3, "value3"),
+            Row(4, "value4"),
+            Row(5, "value5")))
+
+        // Verify stats are still being collected after rename
+        val statsAfter = deltaLog.update().allFiles.collect().last.stats
+        assert(statsAfter != null && statsAfter.contains("numRecords"))
+
+        // Verify the rename history includes the escaped column name
+        val renameHistoryDf = sql("DESCRIBE HISTORY t1")
+          .where("operation = 'RENAME COLUMN'")
+          .select("operationParameters")
 
-      val operationParams = renameHistoryDf.head().getMap[String, String](0)
-      assert(operationParams("oldColumnPath") == "c")
-      assert(operationParams("newColumnPath").contains("c#2"))
+        val operationParams = renameHistoryDf.head().getMap[String, String](0)
+        assert(operationParams("oldColumnPath") == "c")
+        assert(operationParams("newColumnPath").contains("c#2"))
 
-      // Rename c#2 back to c before renaming column d
-      spark.sql("ALTER TABLE t1 RENAME COLUMN `c#2` TO c")
+        // Rename c#2 back to c before renaming column d
+        spark.sql("ALTER TABLE t1 RENAME COLUMN `c#2` TO c")
 
-      // Verify rename back worked
-      checkAnswer(
-        spark.sql("SELECT c FROM t1 WHERE c = 3"),
-        Seq(Row(3)))
+        // Verify rename back worked
+        checkAnswer(
+          spark.sql("SELECT c FROM t1 WHERE c = 3"),
+          Seq(Row(3)))
+      }
     }
   }
 }