database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-29 05:21:33 +03:00
Code Activity

MDEV-15492: Subquery crash similar to MDEV-10050

Browse Source 
Detection of first execution of PS fixed.
More debug info.
This commit is contained in:
Oleksandr Byelkin
2018-03-21 12:13:37 +01:00
parent 2dd4e50d5f
commit f3994b7432
4 changed files with 65 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
sql/sql_prepare.cc
View File

@ -3819,6 +3819,7 @@ bool Prepared_statement::execute(String *expanded_query, bool open_cursor)
Statement stmt_backup;
Query_arena *old_stmt_arena;
bool error= TRUE;
bool qc_executed= FALSE;
char saved_cur_db_name_buf[SAFE_NAME_LEN+1];
LEX_STRING saved_cur_db_name=
@ -3937,6 +3938,7 @@ bool Prepared_statement::execute(String *expanded_query, bool open_cursor)
thd->lex->sql_command= SQLCOM_SELECT;
status_var_increment(thd->status_var.com_stat[SQLCOM_SELECT]);
thd->update_stats();
qc_executed= TRUE;
}
}
@ -3960,7 +3962,7 @@ bool Prepared_statement::execute(String *expanded_query, bool open_cursor)
thd->set_statement(&stmt_backup);
thd->stmt_arena= old_stmt_arena;
if (state == Query_arena::STMT_PREPARED)
if (state == Query_arena::STMT_PREPARED && !qc_executed)
state= Query_arena::STMT_EXECUTED;
if (error == 0 && this->lex->sql_command == SQLCOM_CALL)