Hi, Alexey!
On Jan 20, Alexey Botchkov wrote:
> +typedef struct st_mysql MYSQL;
> +typedef struct st_mysql_res MYSQL_RES;
> +typedef char **MYSQL_ROW;
> +
> +extern struct sql_service_st {
> + MYSQL *(*sqls_init)(MYSQL *mysql);
> + void (*sqls_close)(MYSQL *mysql);
> + int (*sqls_real_query)(MYSQL *mysql, const char *q,
> + unsigned long length);
> + unsigned long (*sqls_affected_rows)(MYSQL *mysql);
> + uint (*sqls_errno)(MYSQL *mysql);
> + const char *(*sqls_error)(MYSQL *mysql);
> + MYSQL_RES *(*sqls_store_result)(MYSQL *mysql);
> + void (*sqls_free_result)(MYSQL_RES *result);
> + unsigned long (*sqls_num_rows)(MYSQL_RES *res);
> + unsigned int (*sqls_num_fields)(MYSQL_RES *res);
> + MYSQL_ROW (*sqls_fetch_row)(MYSQL_RES *result);
> + unsigned long * (*sqls_fetch_lengths)(MYSQL_RES *result);
> +} *sql_service;
I'd say, if you're emulating client C API, you don't need all these
sqls* functions. You basically only need one function, let's call it
mysql_internal_connect()
which is a variant of mysql_real_connect() for running SQL internally in
the server. And it'll do
mysql->methods= &internal_sql_methods;
which will be your callback table, you won't need a second one.
And after that mysql_* API functions will work normally.
At least those that you decide to support.
Alternatively you don't even need mysql_internal_connect(), you can
integrate it into CLI_MYSQL_REAL_CONNECT (just like you've done with
libmysqld.c:mysql_real_connect() calling cli_mysql_real_connect()).
Regards,
Sergei
Chief Architect MariaDB
and secur...@mariadb.org
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