From 6a61eb7be672d34a101878bf00ce0088e4cdd1bd Mon Sep 17 00:00:00 2001
From: starocean999 <lichi@selectdb.com>
Date: Wed, 21 May 2025 15:32:28 +0800
Subject: [PATCH] [fix](planner)comparing partition column name should be case
 insensitive when pruning partition in DeleteJob (#50674)

---
 fe/fe-core/src/main/java/org/apache/doris/load/DeleteJob.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fe/fe-core/src/main/java/org/apache/doris/load/DeleteJob.java b/fe/fe-core/src/main/java/org/apache/doris/load/DeleteJob.java
index 44b58f33672b39..f14de5cbab0a7d 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/load/DeleteJob.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/load/DeleteJob.java
@@ -78,6 +78,7 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
+import java.util.TreeMap;
 import java.util.UUID;
 import java.util.concurrent.TimeUnit;
 import java.util.function.Function;
@@ -569,7 +570,7 @@ private List<Partition> getSelectedPartitions(OlapTable olapTable, Collection<St
                 if (olapTable.getPartitionInfo().getType() == PartitionType.RANGE
                         || olapTable.getPartitionInfo().getType() == PartitionType.LIST) {
                     Set<String> partitionColumnNameSet = olapTable.getPartitionColumnNames();
-                    Map<String, ColumnRange> columnNameToRange = Maps.newHashMap();
+                    Map<String, ColumnRange> columnNameToRange = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
                     for (String colName : partitionColumnNameSet) {
                         ColumnRange columnRange = createColumnRange(olapTable, colName, deleteConditions);
                         // Not all partition columns are involved in predicate conditions