From fdcabf16b105d7b3b10e8cd2954aa32071df653e Mon Sep 17 00:00:00 2001
From: xueweizhang <zxw520blue1@163.com>
Date: Thu, 22 Dec 2022 09:43:15 +0800
Subject: [PATCH] [fix](multi-catalog) fix show data on external catalog
 (#15227)

if switch external catalog, and use a database that has same name with one database of internal catalog,
query 'show data', will get data info from internal catalog.
---
 .../src/main/java/org/apache/doris/analysis/ShowDataStmt.java   | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/ShowDataStmt.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/ShowDataStmt.java
index 3f061d9df1..ce19a53135 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/ShowDataStmt.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/ShowDataStmt.java
@@ -99,6 +99,8 @@ public class ShowDataStmt extends ShowStmt {
             // disallow external catalog
             Util.prohibitExternalCatalog(tableName.getCtl(), this.getClass().getSimpleName());
             dbName = tableName.getDb();
+        } else {
+            Util.prohibitExternalCatalog(analyzer.getDefaultCatalog(), this.getClass().getSimpleName());
         }
 
         Database db = Env.getCurrentInternalCatalog().getDbOrAnalysisException(dbName);