An Embeddable Datastore Engine

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Syntax

unsigned int vedis_array_count(vedis_value *pArray);

Return the total number of entries in a given array.

Description

This routine return the total number of entries in a given vedis array.

The vedis_value must be of type array obtained by a prior successful call to vedis_context_new_array() or passed as parameter to the foreign command.

Call vedis_value_is_array() to check if the given vedis_value is of the expected type. 

Note: This routine is not thread-safe.

Parameters

pArray

vedis_value to query which must be of type array.

Return value

This function return the total number of entries on success. 0 (zero) is returned if the target array is empty or the given vedis_value is not of the expected type (i.e: A scalar value such as an integer, Boolean, double, etc.).

Example

Compile this C file for a smart introduction to the array handling interfaces.

See also