NAME¶

rulexdb_remove_this_item - remove sequentially retrieved item from the rulex dictionary

SYNOPSIS¶

#include <rulexdb.h>

int rulexdb_remove_this_item(RULEXDB *rulexdb, int item_type);

DESCRIPTION¶

The rulexdb_remove_this_item() function removes the last accessed via rulexdb_seq(3) lexical item from the dictionary dataset defined by item_type argument that may accept one of the following values:

RULEXDB_LEXBASE

Remove item from the Implicit dictionary.

RULEXDB_EXCEPTION

Remove item from the Explicit dictionary.

Note that the data type must be specified explicitly. The value RULEXDB_DEFAULT is not allowed here.

The argument rulexdb references the database to deal with.

RETURN VALUE¶

The rulexdb_remove_this_item() function returns RULEXDB_SUCCESS which is zero when specified item was successfully removed, positive value RULEXDB_SPECIAL when this record is already deleted, or negative error code in the case of other failure.

ERRORS¶

RULEXDB_FAILURE

Referenced database has not been opened, internal data structures are corrupted or some other general failure has occurred.

RULEXDB_EPARM

The argument rulexdb or item_type has an invalid value.

RULEXDB_EACCESS

The database is not opened for updating or the dataset was never accessed sequentially yet.

SEE ALSO¶

rulexdb_classify(3), rulexdb_close(3), rulexdb_dataset_name(3), rulexdb_discard_dictionary(3), rulexdb_discard_ruleset(3), rulexdb_fetch_rule(3), rulexdb_lexbase(3), rulexdb_load_ruleset(3), rulexdb_open(3), rulexdb_remove_item(3), rulexdb_remove_rule(3), rulexdb_retrieve_item(3), rulexdb_search(3), rulexdb_seq(3), rulexdb_subscribe_item(3), rulexdb_subscribe_rule(3)

AUTHOR¶

Igor B. Poretsky <poretsky@mlbox.ru>.