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Merge mysql.com:/home/hf/work/mysql-4.1.20318

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into mysql.com:/home/hf/work/mysql-4.1.clean
This commit is contained in:
holyfoot@mysql.com
2006-06-26 22:17:42 +05:00
parent 5a96a1b090 d8d42948b2
commit bb347299b1
5 changed files with 91 additions and 108 deletions
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59
sql/sql_parse.cc
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@ -667,6 +667,37 @@ static void reset_mqh(THD *thd, LEX_USER *lu, bool get_them= 0)
#endif /* NO_EMBEDDED_ACCESS_CHECKS */
}
void thd_init_client_charset(THD *thd, uint cs_number)
{
/*
Use server character set and collation if
- opt_character_set_client_handshake is not set
- client has not specified a character set
- client character set is the same as the servers
- client character set doesn't exists in server
*/
if (!opt_character_set_client_handshake ||
!(thd->variables.character_set_client= get_charset(cs_number, MYF(0))) ||
!my_strcasecmp(&my_charset_latin1,
global_system_variables.character_set_client->name,
thd->variables.character_set_client->name))
{
thd->variables.character_set_client=
global_system_variables.character_set_client;
thd->variables.collation_connection=
global_system_variables.collation_connection;
thd->variables.character_set_results=
global_system_variables.character_set_results;
}
else
{
thd->variables.character_set_results=
thd->variables.collation_connection=
thd->variables.character_set_client;
}
}
/*
Perform handshake, authorize client and update thd ACL variables.
SYNOPSIS
@ -809,33 +840,7 @@ static int check_connection(THD *thd)
thd->client_capabilities|= ((ulong) uint2korr(net->read_pos+2)) << 16;
thd->max_client_packet_length= uint4korr(net->read_pos+4);
DBUG_PRINT("info", ("client_character_set: %d", (uint) net->read_pos[8]));
/*
Use server character set and collation if
- opt_character_set_client_handshake is not set
- client has not specified a character set
- client character set is the same as the servers
- client character set doesn't exists in server
*/
if (!opt_character_set_client_handshake ||
!(thd->variables.character_set_client=
get_charset((uint) net->read_pos[8], MYF(0))) ||
!my_strcasecmp(&my_charset_latin1,
global_system_variables.character_set_client->name,
thd->variables.character_set_client->name))
{
thd->variables.character_set_client=
global_system_variables.character_set_client;
thd->variables.collation_connection=
global_system_variables.collation_connection;
thd->variables.character_set_results=
global_system_variables.character_set_results;
}
else
{
thd->variables.character_set_results=
thd->variables.collation_connection=
thd->variables.character_set_client;
}
thd_init_client_charset(thd, (uint) net->read_pos[8]);
thd->update_charset();
end= (char*) net->read_pos+32;
}