upscaledb
2.1.13
|
#include <upscaledb_uqi.h>
Data Fields | |
ups_bool_t(* | predicate_func )(const void *key_data, uint16_t key_size, void *context) |
void * | context |
A predicate function with context parameters returning a bool value.
The predicate function is applied to various analytical functions of this API and is generally used to select keys where a predicate applies.
Definition at line 42 of file upscaledb_uqi.h.
void* uqi_bool_predicate_t::context |
User-supplied context data
Definition at line 48 of file upscaledb_uqi.h.
ups_bool_t(* uqi_bool_predicate_t::predicate_func) (const void *key_data, uint16_t key_size, void *context) |
A function pointer; receives a key, returns a bool
Definition at line 44 of file upscaledb_uqi.h.