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-19776: Assertion `to_len >= 8' failed in convert_to_printable with optimizer trace enabled

Browse Source 
Introduced the convert_to_printable_required_length to return the correct length(taking into
consideration of dots in the case of error messages).
This commit is contained in:
Varun Gupta
2019-06-20 12:03:32 +05:30
parent cfbd714868
commit 8b576616b4
5 changed files with 25 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
sql/sql_string.cc
View File

@ -1197,10 +1197,14 @@ uint convert_to_printable(char *to, size_t to_len,
return (uint) (t - to);
}
size_t convert_to_printable_required_length(uint len)
{
return static_cast<size_t>(len) * 4 + 3/*dots*/ + 1/*trailing \0 */;
}
bool String::append_semi_hex(const char *s, uint len, CHARSET_INFO *cs)
{
size_t dst_len= len * 4 + 1; //extra length for the '\0' character
size_t dst_len= convert_to_printable_required_length(len);
if (reserve(dst_len))
return true;
uint nbytes= convert_to_printable(Ptr + str_length, dst_len, s, len, cs);