A collection structure
A collection structure, MI_COLLECTION, is a DataBlade®
API structure
that holds the collection (LIST, MULTISET, or SET) and its elements.
The following table summarizes the memory operations for a collection
structure.
| Memory duration | Memory operation | Function name |
|---|---|---|
| Current® memory duration | Constructor | mi_collection_copy(), mi_collection_create(), mi_streamread_collection() |
| Current memory duration | Destructor | mi_collection_free() |
The following DataBlade
API functions
return an existing collection structure.
- mi_value(), mi_value_by_name()
- Returns a collection structure as a column value when the function returns an MI_COLLECTION_VALUE value status