treedb_topic_size()

`treedb_topic_size()`#

treedb_topic_size() returns the number of nodes in the specified topic within the given TreeDB instance.

C

Prototype

size_t treedb_topic_size(
    json_t      *tranger,
    const char  *treedb_name,
    const char  *topic_name
);

Parameters

Key	Type	Description
`tranger`	`json_t *`	Pointer to the `tranger` instance managing the TreeDB.
`treedb_name`	`const char *`	Name of the TreeDB instance containing the topic.
`topic_name`	`const char *`	Name of the topic whose node count is to be retrieved.

Return Value

Returns the number of nodes in the specified topic.

Notes

If the topic does not exist, the function may return 0.

JS

Prototype

// Not applicable in JS

Python

Prototype

# Not applicable in Python