During my last migration to IRIS I met this Compatibility parameter
- NullSubscripts true
0 - Throw error when referencing a null subscript. 1 - Null subscript references do not throw an error.
The consequences are shocking. This was allowed:
Globals are multidimensional sparse arrays which are stored in InterSystems Data Platform. Everything in InterSystems Products is stored in Globals: Classes, Tables, Documents, Code.