Relationship to ACCENT R:  DB-MACH2

Programs with calls to HLI procedures can:

• access Data Set objects

• access Data Index objects

• access Schema Definition objects

• execute any ACCENT R command

• execute any CM object or PM object

In addition:

• DBL entries can be accessed as read-only Data Set objects.

• ACCENT R System Fields can be retrieved through HLI calls.

There are two features of ACCENT R DB-MACH2 Data Index objects that apply both within ACCENT R and also within the HLI:

• If a Data Index is specified in an ACCOPN call, the HLI will normally allow changing the value(s) of field(s) specified as key fields in the DOMAIN ... ON clause.  However, if the KEY CHANGE NOT ALLOWED clause was specified when the Data Index was defined in ACCENT R DB-MACH2, the HLI will not allow those field(s) to be changed.

• If a Data Index is specified in an ACCOPN call, the HLI will normally allow the creation of records with key values that are the same as key values of records already in the Data Set.  However, if the DUPLICATES NOT ALLOWED clause was specified when the Data Index was defined in ACCENT R DB-MACH2, the HLI will not allow the record to be created.

Each HLI procedure is related to an ACCENT R command or Process Module object statement as shown: