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added function mysql_set_character_set (reviewed by Monty)

Browse source 
as a work around for #8317 and #9637

This function sends SET NAMES command and changes mysql->charset
so mysql_real_escape_string will work as expected.


libmysql/libmysql.def:
  added new function mysql_set_character_set
This commit is contained in:
unknown 2005-05-13 15:06:11 +02:00
parent cbbc4ff6a2
commit 29f3f4a27f
2 changed files with 31 additions and 0 deletions
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30
libmysql/libmysql.c
View file

@ -1509,6 +1509,36 @@ const char * STDCALL mysql_character_set_name(MYSQL *mysql)
return mysql->charset->csname;
}
int STDCALL mysql_set_character_set(MYSQL *mysql, char *cs_name)
{
struct charset_info_st *cs;
const char *save_csdir = charsets_dir;
if (mysql->options.charset_dir)
charsets_dir = mysql->options.charset_dir;
if ( (cs = get_charset_by_csname(cs_name, MY_CS_PRIMARY, MYF(0))) )
{
char buff[MY_CS_NAME_SIZE + 10];
charsets_dir = save_csdir;
sprintf(buff, "SET NAMES %s", cs_name);
if (!mysql_query(mysql, buff)) {
mysql->charset = cs;
}
} else {
char cs_dir_name[FN_REFLEN];
get_charsets_dir(cs_dir_name);
mysql->net.last_errno=CR_CANT_READ_CHARSET;
strmov(mysql->net.sqlstate, unknown_sqlstate);
my_snprintf(mysql->net.last_error, sizeof(mysql->net.last_error)-1,
ER(mysql->net.last_errno),
cs_name,
cs_dir_name);
}
charsets_dir = save_csdir;
return mysql->net.last_errno;
}
uint STDCALL mysql_thread_safe(void)
{

1
libmysql/libmysql.def
View file

@ -146,4 +146,5 @@ EXPORTS
mysql_rpl_query_type
mysql_slave_query
mysql_embedded
mysql_set_character_set
get_defaults_files