Entry

The in-memory database. More...

Functions
int	_s4_add (s4_transaction_t *trans, const char *key_a, const s4_val_t *val_a, const char *key_b, const s4_val_t *val_b, const char *src)
	Adds a new relation to a database. More...
int	_s4_add_internal (s4_t *s4, const char *key_a, const s4_val_t *value_a, const char *key_b, const s4_val_t *value_b, const char *src)
int	_s4_del (s4_transaction_t *trans, const char *key_a, const s4_val_t *val_a, const char *key_b, const s4_val_t *val_b, const char *src)
	Deletes a relation from a database. More...
s4_resultset_t *	_s4_query (s4_transaction_t *trans, s4_fetchspec_t *fs, s4_condition_t *cond)
	Queries a database for all entries matching a condition, then fetches data from them. More...
s4_entry_data_t *	_entry_create_data ()
void	_entry_free_data (s4_entry_data_t *data)
void	_free_relations (s4_t *s4)
	Frees all relations in a database. More...

Detailed Description

The in-memory database.

Function Documentation

_entry_create_data()

s4_entry_data_t* _entry_create_data

(

void

)

Referenced by _reread_file().

_entry_free_data()

void _entry_free_data

(

s4_entry_data_t *

data

)

Referenced by _reread_file().

_free_relations()

void _free_relations

(

s4_t *

s4

)

Frees all relations in a database.

Parameters

s4	The database to free in

Referenced by _reread_file().

_s4_add()

int _s4_add	(	s4_transaction_t *	trans,
		const char *	key_a,
		const s4_val_t *	val_a,
		const char *	key_b,
		const s4_val_t *	val_b,
		const char *	src
	)

Adds a new relation to a database.

Parameters

s4	The database to add to
key_a	The key of the first entry
val_a	The value of the first entry
key_b	The key of the second entry
val_b	The value of the second entry
src	The source that made the relation

Returns

non-zero if everything went alrite, 0 otherwise

Referenced by _oplist_execute(), _oplist_rollback(), and s4_add().

_s4_add_internal()

int _s4_add_internal	(	s4_t *	s4,
		const char *	key_a,
		const s4_val_t *	value_a,
		const char *	key_b,
		const s4_val_t *	value_b,
		const char *	src
	)

_s4_del()

int _s4_del	(	s4_transaction_t *	trans,
		const char *	key_a,
		const s4_val_t *	val_a,
		const char *	key_b,
		const s4_val_t *	val_b,
		const char *	src
	)

Deletes a relation from a database.

Parameters

s4	The database to delete from
key_a	The key of the first entry
val_a	The value of the first entry
key_b	The key of the second entry
val_b	The value of the second entry
src	The source that made the relation

Returns

non-zero if everything went alrite, 0 otherwise

Referenced by _oplist_execute(), _oplist_rollback(), and s4_del().

_s4_query()

s4_resultset_t* _s4_query	(	s4_transaction_t *	trans,
		s4_fetchspec_t *	fs,
		s4_condition_t *	cond
	)

Queries a database for all entries matching a condition, then fetches data from them.

Parameters

trans	The transaction this query belongs to.
fs	The fetchspec to use when fetching data
cond	The condition to check entries against

Returns

A resultset with a row for every entry that matched