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authorOleksandr Byelkin <sanja@mariadb.com>2018-03-21 12:13:37 +0100
committerOleksandr Byelkin <sanja@mariadb.com>2018-03-21 19:47:42 +0100
commitf3994b74327eef37fa6010368f7f8db044cf70f8 (patch)
tree119fadc19e3476a13cc9df65ede9fd0f446861ba /sql/sql_prepare.cc
parent2dd4e50d5f74451a5f6bf56d1a36bafffcca878c (diff)
downloadmariadb-git-f3994b74327eef37fa6010368f7f8db044cf70f8.tar.gz
MDEV-15492: Subquery crash similar to MDEV-10050
Detection of first execution of PS fixed. More debug info.
Diffstat (limited to 'sql/sql_prepare.cc')
-rw-r--r--sql/sql_prepare.cc4
1 files changed, 3 insertions, 1 deletions
diff --git a/sql/sql_prepare.cc b/sql/sql_prepare.cc
index a3bf9d6c93c..6aa6aacc504 100644
--- a/sql/sql_prepare.cc
+++ b/sql/sql_prepare.cc
@@ -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)