VECTOR indexes support for RENAME TABLE

Rename high-level indexes along with a table.

mysql-test/main/vector.result

@@ -318,3 +318,35 @@ t1	CREATE TABLE `t1` (
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
 drop table t1;
 db.opt
+# Test RENAME TABLE with vector index
+create table t1 (id int auto_increment primary key, v blob not null, vector index (v)) engine=MyISAM;
+db.opt
+t1#i#01.MYD
+t1#i#01.MYI
+t1.MYD
+t1.MYI
+t1.frm
+rename table t1 to t2;
+db.opt
+t2#i#01.MYD
+t2#i#01.MYI
+t2.MYD
+t2.MYI
+t2.frm
+create database test1;
+rename table test.t2 to test1.t1;
+db.opt
+t1#i#01.MYD
+t1#i#01.MYI
+t1.MYD
+t1.MYI
+t1.frm
+rename table test1.t2 to test1.t1;
+ERROR 42S02: Table 'test1.t2' doesn't exist
+db.opt
+t1#i#01.MYI
+t1.MYD
+t1.MYI
+t1.frm
+drop database test1;
+db.opt

mysql-test/main/vector.test

@@ -119,3 +119,19 @@ replace_result InnoDB MyISAM;
 show create table t1;
 drop table t1;
 list_files $datadir/test;
+
+--echo # Test RENAME TABLE with vector index
+create table t1 (id int auto_increment primary key, v blob not null, vector index (v)) engine=MyISAM;
+list_files $datadir/test;
+rename table t1 to t2;
+list_files $datadir/test;
+create database test1;
+rename table test.t2 to test1.t1;
+list_files $datadir/test1;
+
+remove_file $datadir/test1/t1#i#01.MYD;
+--error ER_NO_SUCH_TABLE
+rename table test1.t2 to test1.t1;
+list_files $datadir/test1;
+drop database test1;
+list_files $datadir/test;

mysql-test/suite/archive/discover.result

@@ -65,6 +65,7 @@ flush tables;
 rename table t2 to t0;
 db.opt
 t0.ARZ
+t0.frm
 t1.ARZ
 t1.frm
 #
@@ -83,6 +84,7 @@ flush tables;
 drop table t1;
 db.opt
 t0.ARZ
+t0.frm
 #
 # discover of table non-existence on drop
 #

sql/sql_table.cc

@@ -5363,6 +5363,43 @@ mysql_rename_table(handlerton *base, const LEX_CSTRING *old_db,
     }
     else
       log_query= true;
+
+    /* Rename high-level indexes */
+    if (file && !error)
+    {
+      char idx_from[FN_REFLEN + 1], idx_to[FN_REFLEN + 1];
+      char *idx_from_end= strmov(idx_from, from_base);
+      char *idx_to_end= strmov(idx_to, to_base);
+      TABLE_SHARE share;
+
+      init_tmp_table_share(thd, &share, new_db->str, 0, new_name->str, to, 1);
+      if (!open_table_def(thd, &share, GTS_TABLE | GTS_USE_DISCOVERY))
+      {
+        for (uint i= share.keys; i < share.total_keys; i++)
+        {
+          my_snprintf(idx_from_end, HLINDEX_BUF_LEN, HLINDEX_TEMPLATE, i);
+          my_snprintf(idx_to_end, HLINDEX_BUF_LEN, HLINDEX_TEMPLATE, i);
+          if ((error= file->ha_rename_table(idx_from, idx_to)))
+          {
+            for (; i >= share.keys; i--)
+            {
+              my_snprintf(idx_from_end, HLINDEX_BUF_LEN, HLINDEX_TEMPLATE, i);
+              my_snprintf(idx_to_end, HLINDEX_BUF_LEN, HLINDEX_TEMPLATE, i);
+              file->ha_rename_table(idx_to, idx_from);
+            }
+            file->ha_rename_table(to_base, from_base);
+            rename_file_ext(to, from, reg_ext);
+          }
+        }
+      }
+      else
+      {
+        file->ha_rename_table(to_base, from_base);
+        rename_file_ext(to, from, reg_ext);
+        error= 1;
+      }
+      free_table_share(&share);
+    }
   }
   if (!error && log_query && !(flags & (FN_TO_IS_TMP | FN_FROM_IS_TMP)))
   {