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Restore previous used client charset in mysql_reconnect

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Moved mysql_set_character_set function to client.c
Changed function prototype for mysql_set_character_set (as suggested
by Konstantin)
This commit is contained in:
georg@lmy002.wdf.sap.corp
2005-07-16 07:13:40 +02:00
parent 02599bdf27
commit 53c630a524
3 changed files with 44 additions and 35 deletions
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44
sql-common/client.c
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@@ -2206,7 +2206,8 @@ my_bool mysql_reconnect(MYSQL *mysql)
tmp_mysql.rpl_pivot = mysql->rpl_pivot;
if (!mysql_real_connect(&tmp_mysql,mysql->host,mysql->user,mysql->passwd,
mysql->db, mysql->port, mysql->unix_socket,
mysql->client_flag | CLIENT_REMEMBER_OPTIONS))
mysql->client_flag | CLIENT_REMEMBER_OPTIONS) ||
mysql_set_character_set(&tmp_mysql, mysql->charset->csname))
{
mysql->net.last_errno= tmp_mysql.net.last_errno;
strmov(mysql->net.last_error, tmp_mysql.net.last_error);
@@ -2778,8 +2779,49 @@ uint STDCALL mysql_errno(MYSQL *mysql)
return mysql->net.last_errno;
}
const char * STDCALL mysql_error(MYSQL *mysql)
{
return mysql->net.last_error;
}
/*
mysql_set_character_set function sends SET NAMES cs_name to
the server (which changes character_set_client, character_set_result
and character_set_connection) and updates mysql->charset so other
functions like mysql_real_escape will work correctly.
*/
int STDCALL mysql_set_character_set(MYSQL *mysql, const 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 (strlen(cs_name) < MY_CS_NAME_SIZE &&
(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_real_query(mysql, buff, strlen(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;
}