[BugFix] Fix the bug of bitmap_to_string overflow (#37405)

Signed-off-by: trueeyu <lxhhust350@qq.com>
(cherry picked from commit 299165e)

be/src/types/bitmap_value.cpp

@@ -835,7 +835,7 @@ std::string BitmapValue::to_string() const {
     }
     case SET:
         int pos = 0;
-        int64_t values[_set->size()];
+        uint64_t values[_set->size()];
         for (auto value : *_set) {
             values[pos++] = value;
         }

be/test/types/bitmap_value_test.cpp

@@ -671,6 +671,19 @@ TEST_F(BitmapValueTest, bitmap_to_string) {
             "0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,"
             "37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63",
             _large_bitmap.to_string().c_str());
+
+    auto bitmap = std::make_unique<BitmapValue>(18446744073709551611ul);
+    ASSERT_EQ("18446744073709551611", bitmap->to_string());
+    bitmap->add(18446744073709551612ul);
+    ASSERT_EQ("18446744073709551611,18446744073709551612", bitmap->to_string());
+    for (size_t i = 0; i < 64; i++) {
+        bitmap->add(i);
+    }
+    ASSERT_EQ(
+            "0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,"
+            "37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,18446744073709551611,"
+            "18446744073709551612",
+            bitmap->to_string());
 }
 
 TEST_F(BitmapValueTest, bitmap_to_array) {

test/sql/test_bitmap_functions/R/test_bitmap_to_string

@@ -0,0 +1,31 @@
+-- name: test_bitmap_to_string
+CREATE TABLE `t1` (
+  `c1` int(11) NULL COMMENT "",
+  `c2` bitmap BITMAP_UNION NULL COMMENT ""
+) ENGINE=OLAP
+AGGREGATE KEY(`c1`)
+DISTRIBUTED BY HASH(`c1`) BUCKETS 1
+PROPERTIES ("replication_num" = "1");
+-- result:
+-- !result
+insert into t1 select 1, bitmap_agg(generate_series) from TABLE(generate_series(18446744073709551611));
+-- result:
+E: (1064, "Getting analyzing error. Detail message: Unknown table function 'generate_series(LARGEINT)'.")
+-- !result
+select bitmap_to_string(c2) from t1;
+-- result:
+-- !result
+insert into t1 select 1, bitmap_agg(generate_series) from TABLE(generate_series(18446744073709551611, 18446744073709551615));
+-- result:
+-- !result
+select bitmap_to_string(c2) from t1;
+-- result:
+18446744073709551611,18446744073709551612,18446744073709551613,18446744073709551614,18446744073709551615
+-- !result
+insert into t1 select 1, bitmap_agg(generate_series) from TABLE(generate_series(18446744073709551551, 18446744073709551615));
+-- result:
+-- !result
+select bitmap_to_string(c2) from t1;
+-- result:
+18446744073709551551,18446744073709551552,18446744073709551553,18446744073709551554,18446744073709551555,18446744073709551556,18446744073709551557,18446744073709551558,18446744073709551559,18446744073709551560,18446744073709551561,18446744073709551562,18446744073709551563,18446744073709551564,18446744073709551565,18446744073709551566,18446744073709551567,18446744073709551568,18446744073709551569,18446744073709551570,18446744073709551571,18446744073709551572,18446744073709551573,18446744073709551574,18446744073709551575,18446744073709551576,18446744073709551577,18446744073709551578,18446744073709551579,18446744073709551580,18446744073709551581,18446744073709551582,18446744073709551583,18446744073709551584,18446744073709551585,18446744073709551586,18446744073709551587,18446744073709551588,18446744073709551589,18446744073709551590,18446744073709551591,18446744073709551592,18446744073709551593,18446744073709551594,18446744073709551595,18446744073709551596,18446744073709551597,18446744073709551598,18446744073709551599,18446744073709551600,18446744073709551601,18446744073709551602,18446744073709551603,18446744073709551604,18446744073709551605,18446744073709551606,18446744073709551607,18446744073709551608,18446744073709551609,18446744073709551610,18446744073709551611,18446744073709551612,18446744073709551613,18446744073709551614,18446744073709551615
+-- !result

test/sql/test_bitmap_functions/T/test_bitmap_to_string

@@ -0,0 +1,19 @@
+-- name: test_bitmap_to_string
+
+-- large int
+CREATE TABLE `t1` (
+  `c1` int(11) NULL COMMENT "",
+  `c2` bitmap BITMAP_UNION NULL COMMENT ""
+) ENGINE=OLAP
+AGGREGATE KEY(`c1`)
+DISTRIBUTED BY HASH(`c1`) BUCKETS 1
+PROPERTIES ("replication_num" = "1");
+
+insert into t1 select 1, bitmap_agg(generate_series) from TABLE(generate_series(18446744073709551611));
+select bitmap_to_string(c2) from t1;
+
+insert into t1 select 1, bitmap_agg(generate_series) from TABLE(generate_series(18446744073709551611, 18446744073709551615));
+select bitmap_to_string(c2) from t1;
+
+insert into t1 select 1, bitmap_agg(generate_series) from TABLE(generate_series(18446744073709551551, 18446744073709551615));
+select bitmap_to_string(c2) from t1;