Truxton relation set b id
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This sets the B side of the relation in the sentence "A is a blank of B."
This corresponds to the [B_ID] column of the the [Relation] table in the database.
Syntax
void truxton_relation_set_b_id(uint64_t relation_handle, char const * id);
Parameters
relation_handle
The relation object to free.
This handle comes from calling truxton_relation_create().
id
The string representation of a GUID.
Sample
1 void set_primary_photo( uint64_t truxton, uint64_t media, uint64_t child_file )
2 {
3 char media_id[ 65 ];
4 char file_id[ 65 ];
5
6 truxton_media_get_id( media, media_id, sizeof( media_id ) );
7 truxton_child_file_get_id( child_file, file_id, sizeof( file_id ) );
8
9 uint64_t relation = truxton_relation_create( truxton );
10
11 // Now tell Truxton that child_file (A object) is the primary photo of media (B object)
12 truxton_relation_set_relation( relation, RELATION_PRIMARY_PHOTO );
13
14 // Set the A object, A is a file
15 truxton_relation_set_a_id( relation, file_id );
16 truxton_relation_set_a_type( relation, OBJECT_TYPE_FILE );
17
18 // Set the B object, B is a piece of media
19 truxton_relation_set_b_id( relation, media_id );
20 truxton_relation_set_b_type( relation, OBJECT_TYPE_MEDIA );
21
22 // Set the source object, source is a piece of media
23 truxton_relation_set_source_id( relation, media_id );
24 truxton_relation_set_source_type( relation, OBJECT_TYPE_MEDIA );
25
26 // Commit the data to the database
27 truxton_relation_save( relation );
28 truxton_relation_destroy( relation );
29 }