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MDEV-14581 Server does not clear diagnostics between sessions

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Amend previous patch, so it works in all cases (also for "change user"
command, and for RESET CONNECTION in 10.3)
This commit is contained in:
Vladislav Vaintroub
2018-10-04 14:24:14 +01:00
parent 33fadbfefc
commit 7fefd53f94
3 changed files with 20 additions and 4 deletions
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5
sql/sql_class.cc
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@ -1332,6 +1332,11 @@ void THD::change_user(void)
cleanup_done= 0;
reset_killed();
thd_clear_errors(this);
/* Clear warnings. */
if (!get_stmt_da()->is_warning_info_empty())
get_stmt_da()->clear_warning_info(0);
init();
stmt_map.reset();
my_hash_init(&user_vars, system_charset_info, USER_VARS_HASH_SIZE, 0, 0,