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/* Dynamic loading of the database backend.
* We use GLib's multiplatform dl() wrapper
* to open up db_mysql.so, db_pgsql.so or db_sqlite.so
* and populate the global 'db' structure.
*
* (c) 2005 Aaron Stone <aaron@serendipity.cx>
*/
#ifndef DBMODULE_H
#define DBMODULE_H
/* Prototypes must match with those in db.h
* and in the database drivers. */
typedef struct {
int (* connect)(void);
int (* disconnect)(void);
int (* check_connection)(void);
int (* query)(const char *the_query);
u64_t (* insert_result)(const char *sequence_identifier);
unsigned (* num_rows)(void);
unsigned (* num_fields)(void);
const char * (* get_result)(unsigned row, unsigned field);
void (* free_result)(void);
unsigned long (* escape_string)(char *to,
const char *from, unsigned long length );
unsigned long (* escape_binary)(char *to,
const char *from, unsigned long length );
int (* do_cleanup)(const char **tables, int num_tables);
u64_t (* get_length)(unsigned row, unsigned field);
u64_t (* get_affected_rows)(void);
void (* use_msgbuf_result)(void);
void (* store_msgbuf_result)(void);
void (* set_result_set)(void *res);
const char * (* get_sql)(sql_fragment_t frag);
} db_func_t;
#endif
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