From 83ac44b9d05acc6df07d7cec0e0889d2d2681acb Mon Sep 17 00:00:00 2001
From: lw112 <131352377+felixwluo@users.noreply.github.com>
Date: Sat, 20 Apr 2024 20:22:38 +0800
Subject: [PATCH] [feature](MultiPartition)user could modify multi partition
 prefix(#33898)

---
 .../src/main/java/org/apache/doris/common/Config.java     | 8 ++++++++
 .../org/apache/doris/analysis/MultiPartitionDesc.java     | 3 ++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/fe/fe-common/src/main/java/org/apache/doris/common/Config.java b/fe/fe-common/src/main/java/org/apache/doris/common/Config.java
index c7ffdae5214893..e099f4567b92e0 100644
--- a/fe/fe-common/src/main/java/org/apache/doris/common/Config.java
+++ b/fe/fe-common/src/main/java/org/apache/doris/common/Config.java
@@ -1411,6 +1411,14 @@ public class Config extends ConfigBase {
     @ConfField(mutable = true, masterOnly = true)
     public static int max_multi_partition_num = 4096;
 
+    /**
+     * Use this parameter to set the partition name prefix for multi partition,
+     * Only multi partition takes effect, not dynamic partitions.
+     * The default prefix is "p".
+     */
+    @ConfField(mutable = true, masterOnly = true)
+    public static String multi_partition_name_prefix = "p";
+
     /**
      * Control the max num of backup/restore job per db
      */
diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/MultiPartitionDesc.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/MultiPartitionDesc.java
index 8423acc83d87d8..b8711f61ee60d9 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/MultiPartitionDesc.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/MultiPartitionDesc.java
@@ -49,7 +49,6 @@ public class MultiPartitionDesc implements AllPartitionDesc {
     public static final String DATETIME_FORMAT = "yyyy-MM-dd HH:mm:ss";
 
 
-    private final String partitionPrefix = "p";
     private LocalDateTime startTime;
     private LocalDateTime endTime;
 
@@ -75,6 +74,8 @@ public class MultiPartitionDesc implements AllPartitionDesc {
     );
 
     private final Integer maxAllowedLimit = Config.max_multi_partition_num;
+    //multi_partition_name_prefix default: p
+    private final String partitionPrefix = Config.multi_partition_name_prefix;
 
     public MultiPartitionDesc(PartitionKeyDesc partitionKeyDesc,
             Map<String, String> properties) throws AnalysisException {