The column name should be case sensitive when inject column stats.

fe/fe-core/src/main/java/org/apache/doris/analysis/AlterColumnStatsStmt.java

@@ -17,6 +17,7 @@
 
 package org.apache.doris.analysis;
 
+import org.apache.doris.catalog.Column;
 import org.apache.doris.catalog.DatabaseIf;
 import org.apache.doris.catalog.Env;
 import org.apache.doris.catalog.OlapTable;
@@ -26,7 +27,6 @@
 import org.apache.doris.common.AnalysisException;
 import org.apache.doris.common.ErrorCode;
 import org.apache.doris.common.ErrorReport;
-import org.apache.doris.common.FeNameFormat;
 import org.apache.doris.common.UserException;
 import org.apache.doris.common.util.PrintableMap;
 import org.apache.doris.datasource.CatalogIf;
@@ -173,10 +173,9 @@ private void checkPartitionAndColumn() throws AnalysisException {
             }
             indexId = idxId;
         }
-
-        if (table.getColumn(columnName) == null) {
-            ErrorReport.reportAnalysisException(ErrorCode.ERR_WRONG_COLUMN_NAME,
-                    columnName, FeNameFormat.getColumnNameRegex());
+        Column column = table.getColumn(columnName);
+        if (column == null || !column.getName().equals(columnName)) {
+            ErrorReport.reportAnalysisException(ErrorCode.ERR_BAD_FIELD_ERROR, columnName, table.getName());
         }
 
         if (optPartitionNames != null && table instanceof OlapTable) {

regression-test/suites/nereids_rules_p0/mv/grouping_sets/grouping_sets.groovy

@@ -127,7 +127,7 @@ suite("materialized_view_grouping_sets") {
     sql """analyze table orders with sync;"""
     sql """analyze table partsupp with sync;"""
 
-    sql """alter table orders modify column o_comment set stats ('row_count'='10');"""
+    sql """alter table orders modify column O_COMMENT set stats ('row_count'='10');"""
     sql """alter table lineitem modify column l_comment set stats ('row_count'='7');"""
 
     // query has group sets, and mv doesn't

regression-test/suites/nereids_rules_p0/mv/join/dphyp_outer/outer_join_dphyp.groovy

@@ -124,7 +124,7 @@ suite("outer_join_dphyp") {
     sql """analyze table partsupp with sync;"""
 
     sql """alter table lineitem modify column l_comment set stats ('row_count'='5');"""
-    sql """alter table orders modify column o_comment set stats ('row_count'='8');"""
+    sql """alter table orders modify column O_COMMENT set stats ('row_count'='8');"""
     sql """alter table partsupp modify column ps_comment set stats ('row_count'='2');"""
 
     // without filter

regression-test/suites/nereids_rules_p0/mv/join/left_outer/outer_join.groovy

@@ -285,11 +285,11 @@ suite("outer_join") {
 
     sql """alter table lineitem modify column l_comment set stats ('row_count'='5');"""
     sql """alter table lineitem_same_col modify column l_comment set stats ('row_count'='5');"""
-    sql """alter table orders modify column o_comment set stats ('row_count'='8');"""
-    sql """alter table orders_same_col modify column o_comment set stats ('row_count'='18');"""
+    sql """alter table orders modify column O_COMMENT set stats ('row_count'='8');"""
+    sql """alter table orders_same_col modify column O_COMMENT set stats ('row_count'='18');"""
     sql """alter table partsupp modify column ps_comment set stats ('row_count'='2');"""
     sql """alter table lineitem_null modify column l_comment set stats ('row_count'='5');"""
-    sql """alter table orders_null modify column o_comment set stats ('row_count'='5');"""
+    sql """alter table orders_null modify column O_COMMENT set stats ('row_count'='5');"""
 
 
     // without filter

regression-test/suites/nereids_rules_p0/mv/same_name/sync_async_same_name.groovy

@@ -57,7 +57,7 @@ suite("sync_async_same_name") {
     (5, 2, 'o', 1.2, '2023-12-12', 'c','d',2, 'mi');  
     """
 
-    sql """alter table orders modify column o_comment set stats ('row_count'='8');"""
+    sql """alter table orders modify column O_COMMENT set stats ('row_count'='8');"""
 
     sql """analyze table orders with sync;"""
 

regression-test/suites/nereids_rules_p0/mv/single_table_without_agg/single_table_without_aggregate.groovy

@@ -55,7 +55,7 @@ suite("single_table_without_aggregate") {
     """
 
     sql "analyze table orders with sync;"
-    sql """alter table orders modify column o_comment set stats ('row_count'='2');"""
+    sql """alter table orders modify column O_COMMENT set stats ('row_count'='2');"""
     sql """set enable_stats=false;"""
 
     def check_rewrite = { mv_sql, query_sql, mv_name ->
@@ -324,4 +324,4 @@ suite("single_table_without_aggregate") {
     check_rewrite(mv4_1, query7_3, "mv7_3")
     order_qt_query7_3 "${query7_3}"
     sql """DROP MATERIALIZED VIEW IF EXISTS mv7_3 ON orders"""
-}
+}

regression-test/suites/nereids_rules_p0/mv/unsafe_equals/null_un_safe_equals.groovy

@@ -57,7 +57,7 @@ suite("null_unsafe_equals") {
     (5, 2, 'o', 1.2, '2023-12-12', 'c','d', null, 'mi');  
     """
 
-    sql """alter table orders modify column o_comment set stats ('row_count'='8');"""
+    sql """alter table orders modify column O_COMMENT set stats ('row_count'='8');"""
 
     def mv1_0 =
             """

regression-test/suites/nereids_rules_p0/mv/with_auth/with_select_table_auth.groovy

@@ -112,7 +112,7 @@ suite("with_select_table_auth","p0,auth") {
     sql """analyze table lineitem with sync"""
     sql """analyze table orders with sync"""
 
-    sql """alter table orders modify column o_comment set stats ('row_count'='18');"""
+    sql """alter table orders modify column O_COMMENT set stats ('row_count'='18');"""
     sql """alter table lineitem modify column l_comment set stats ('row_count'='5');"""
 
     sql """grant select_priv on ${db}.orders to ${user_name}"""

regression-test/suites/nereids_rules_p0/mv/with_sql_limit/query_with_sql_limit.groovy

@@ -143,7 +143,7 @@ suite("query_with_sql_limit") {
     sql """analyze table lineitem with sync"""
     sql """analyze table orders with sync"""
 
-    sql """alter table orders modify column o_comment set stats ('row_count'='18');"""
+    sql """alter table orders modify column O_COMMENT set stats ('row_count'='18');"""
     sql """alter table lineitem modify column l_comment set stats ('row_count'='5');"""
  sql """alter table partsupp modify column ps_comment set stats ('row_count'='3');"""
 

regression-test/suites/statistics/test_alter_table_set_column_stats.groovy

@@ -0,0 +1,55 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+suite("test_alter_table_set_column_stats") {
+
+    sql """drop database if exists test_alter_table_set_column_stats"""
+    sql """create database test_alter_table_set_column_stats"""
+    sql """use test_alter_table_set_column_stats"""
+    sql """set global force_sample_analyze=false"""
+    sql """set global enable_auto_analyze=false"""
+    sql """drop table if exists et"""
+    sql """
+        CREATE TABLE `et` (
+        `QTY` DECIMAL(18, 2) NOT NULL
+        ) ENGINE=OLAP
+        UNIQUE KEY(`QTY`)
+        COMMENT 'st_entry_detail_et'
+        DISTRIBUTED BY HASH(`QTY`) BUCKETS 40
+        PROPERTIES ("replication_allocation" = "tag.location.default: 1");
+    """
+
+    sql """alter table et modify column QTY set stats ('row_count'='1690909875', 'ndv'='836', 'min_value'='-893077', 'max_value'='987118080', 'avg_size'='288004948', 'max_size'='288004948' );"""
+    def result = sql """show column stats et"""
+    assertEquals(1, result.size())
+    assertEquals("QTY", result[0][0])
+    assertEquals("et", result[0][1])
+    assertEquals("1.690909875E9", result[0][2])
+    assertEquals("836.0", result[0][3])
+    assertEquals("0.0", result[0][4])
+    assertEquals("0.0", result[0][5])
+    assertEquals("0.0", result[0][6])
+    assertEquals("-893077", result[0][7])
+    assertEquals("987118080", result[0][8])
+
+    test {
+        sql """alter table et modify column qty set stats ('row_count'='1690909875', 'ndv'='836', 'min_value'='-893077', 'max_value'='987118080', 'avg_size'='288004948', 'max_size'='288004948' );"""
+        exception "Unknown column 'qty' in 'et'"
+    }
+    sql """drop database if exists test_alter_table_set_column_stats"""
+}
+