From c8a7596c14b2781e986ec8eed58bb29760786df8 Mon Sep 17 00:00:00 2001
From: liugddx <liugddx@gmail.com>
Date: Mon, 26 Feb 2024 10:26:01 +0800
Subject: [PATCH] 1

---
 .../java/org/apache/doris/qe/ShowExecutor.java  | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/fe/fe-core/src/main/java/org/apache/doris/qe/ShowExecutor.java b/fe/fe-core/src/main/java/org/apache/doris/qe/ShowExecutor.java
index f0617f8bdf4c79..ab208415eb1f51 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/qe/ShowExecutor.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/qe/ShowExecutor.java
@@ -34,6 +34,7 @@
 import org.apache.doris.analysis.ShowBuildIndexStmt;
 import org.apache.doris.analysis.ShowCatalogRecycleBinStmt;
 import org.apache.doris.analysis.ShowCatalogStmt;
+import org.apache.doris.analysis.ShowCharsetStmt;
 import org.apache.doris.analysis.ShowCollationStmt;
 import org.apache.doris.analysis.ShowColumnHistStmt;
 import org.apache.doris.analysis.ShowColumnStatsStmt;
@@ -339,6 +340,8 @@ public ShowResultSet execute() throws AnalysisException {
             handleShowData();
         } else if (stmt instanceof ShowQueryStatsStmt) {
             handleShowQueryStats();
+        } else if (stmt instanceof ShowCharsetStmt) {
+            handleShowCharset();
         } else if (stmt instanceof ShowCollationStmt) {
             handleShowCollation();
         } else if (stmt instanceof ShowPartitionsStmt) {
@@ -1653,6 +1656,20 @@ private void handleShowAlter() throws AnalysisException {
         resultSet = new ShowResultSet(showStmt.getMetaData(), rows);
     }
 
+    // Show character set.
+    private void handleShowCharset() throws AnalysisException {
+        ShowCharsetStmt showStmt = (ShowCharsetStmt) stmt;
+        List<List<String>> rows = Lists.newArrayList();
+        List<String> row = Lists.newArrayList();
+        // | utf8mb4 | UTF-8 Unicode | utf8mb4_general_ci | 4|
+        row.add("utf8mb4");
+        row.add("UTF-8 Unicode");
+        row.add("utf8mb4_general_ci");
+        row.add("4");
+        rows.add(row);
+        resultSet = new ShowResultSet(showStmt.getMetaData(), rows);
+    }
+
     // Show alter statement.
     private void handleShowCollation() throws AnalysisException {
         ShowCollationStmt showStmt = (ShowCollationStmt) stmt;