From fcc291d93867c618341e5d81c0c45c1a0a1b5910 Mon Sep 17 00:00:00 2001
From: yiguolei <guolei@selectdb.com>
Date: Fri, 6 Nov 2026 12:37:44 +0800
Subject: [PATCH] [fix](show command) some show command should not be forward
 to master (#69677)

### What problem does this PR solve?

Issue Number: close #xxx

Related PR: #xxx

Problem Summary:

### Release note

None

### Check List (For Author)

- Test <!-- At least one of them must be included. -->
    - [ ] Regression test
    - [ ] Unit Test
    - [ ] Manual test (add detailed scripts or steps below)
    - [ ] No need to test or manual test. Explain why:
- [ ] This is a refactor/code format and no logic has been changed.
        - [ ] Previous test can cover this change.
        - [ ] No code files have been changed.
        - [ ] Other reason <!-- Add your reason?  -->

- Behavior changed:
    - [ ] No.
    - [ ] Yes. <!-- Explain the behavior change -->

- Does this need documentation?
    - [ ] No.
- [ ] Yes. <!-- Add document PR link here. eg:
https://github.com/apache/doris-website/pull/1214 -->

### Check List (For Reviewer who merge this PR)

- [ ] Confirm the release note
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---
 .../nereids/trees/plans/commands/ShowProcCommand.java  | 10 ++++++++++
 .../plans/commands/ShowWorkloadGroupsCommand.java      |  7 ++-----
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/commands/ShowProcCommand.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/commands/ShowProcCommand.java
index 8672a9d90f4759..a6e82fa5d8ce89 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/commands/ShowProcCommand.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/commands/ShowProcCommand.java
@@ -38,11 +38,17 @@
 
 import java.util.Collections;
 import java.util.List;
+import java.util.regex.Pattern;
 
 /**
  * show proc command
  */
 public class ShowProcCommand extends ShowCommand {
+    // Match the repeated slashes and whitespace accepted by ProcService.open().
+    private static final Pattern LOCAL_QUERY_PATH = Pattern.compile(
+            "[ \\t\\r\\n]*/+(?:current_queries|current_query_stmts|current_backend_instances)/*(?:[ \\t\\r\\n].*)?",
+            Pattern.DOTALL);
+
     private final String path;
 
     /**
@@ -122,6 +128,10 @@ public <R, C> R accept(PlanVisitor<R, C> visitor, C context) {
 
     @Override
     public RedirectStatus toRedirectStatus() {
+        // These nodes read this FE's coordinators, not cluster-wide query state.
+        if (LOCAL_QUERY_PATH.matcher(path).matches()) {
+            return RedirectStatus.NO_FORWARD;
+        }
         if (ConnectContext.get().getSessionVariable().getForwardToMaster()) {
             return RedirectStatus.FORWARD_NO_SYNC;
         } else {
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/commands/ShowWorkloadGroupsCommand.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/commands/ShowWorkloadGroupsCommand.java
index 684d559b7231b7..1ab9a6df8cda5e 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/commands/ShowWorkloadGroupsCommand.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/commands/ShowWorkloadGroupsCommand.java
@@ -91,10 +91,7 @@ public String toString() {
 
     @Override
     public RedirectStatus toRedirectStatus() {
-        if (ConnectContext.get().getSessionVariable().getForwardToMaster()) {
-            return RedirectStatus.FORWARD_NO_SYNC;
-        } else {
-            return RedirectStatus.NO_FORWARD;
-        }
+        // Running and waiting query counts belong to the local FE's query queues.
+        return RedirectStatus.NO_FORWARD;
     }
 }