MDEV-22265 Connect string character limit too small for full 64 character...

MDEV-22265 Connect string character limit too small for full 64 character InnoDB table-name limit when using ad-hoc Spider server definitions.

Fix length for getting default table name.

storage/spider/mysql-test/spider/bugfix/include/mdev_22265_deinit.inc

+--disable_warnings
+--disable_query_log
+--disable_result_log
+--source ../t/test_deinit.inc
+--enable_result_log
+--enable_query_log
+--enable_warnings

storage/spider/mysql-test/spider/bugfix/include/mdev_22265_init.inc

+--disable_warnings
+--disable_query_log
+--disable_result_log
+--source ../t/test_init.inc
+--enable_result_log
+--enable_query_log
+--enable_warnings

storage/spider/mysql-test/spider/bugfix/r/mdev_22265.result

+for master_1
+for child2
+for child3
+
+this test is for MDEV-22265
+
+drop and create databases
+connection master_1;
+CREATE DATABASE auto_test_local;
+USE auto_test_local;
+
+create table
+connection master_1;
+create table t2345678911234567892123456789312345678941234567895123(id int) ENGINE=SPIDER DEFAULT CHARSET=latin1 COMMENT='host "h114", user "spider", password "spider", port "3306", database "test32738"';
+
+deinit
+connection master_1;
+DROP DATABASE IF EXISTS auto_test_local;
+for master_1
+for child2
+for child3
+
+end of test

storage/spider/mysql-test/spider/bugfix/t/mdev_22265.cnf

+!include include/default_mysqld.cnf
+!include ../my_1_1.cnf

storage/spider/mysql-test/spider/bugfix/t/mdev_22265.test

+--source ../include/mdev_22265_init.inc
+--echo
+--echo this test is for MDEV-22265
+--echo
+--echo drop and create databases
+
+--connection master_1
+--disable_warnings
+CREATE DATABASE auto_test_local;
+USE auto_test_local;
+--enable_warnings
+
+--echo
+--echo create table
+--connection master_1
+create table t2345678911234567892123456789312345678941234567895123(id int) ENGINE=SPIDER DEFAULT CHARSET=latin1 COMMENT='host "h114", user "spider", password "spider", port "3306", database "test32738"';
+
+--echo
+--echo deinit
+--disable_warnings
+
+--connection master_1
+DROP DATABASE IF EXISTS auto_test_local;
+
+--enable_warnings
+--source ../include/mdev_22265_deinit.inc
+--echo
+--echo end of test

storage/spider/spd_table.cc

@@ -3737,7 +3737,8 @@ int spider_set_connect_info_default(
     if (!share->tgt_table_names[roop_count] && table_share)
     {
       DBUG_PRINT("info",("spider create default tgt_table_names"));
-      share->tgt_table_names_lengths[roop_count] = share->table_name_length;
+      share->tgt_table_names_lengths[roop_count] =
+        table_share->table_name.length;
       if (
         !(share->tgt_table_names[roop_count] = spider_create_table_name_string(
           table_share->table_name.str,