Maximum Alpha Field Size
Increase maximum alpha field size to 4GB
Overview
Allow large alpha fields to be defined in the APPX DD (up to 4GB)
Note: Even thought the theoretical maximum size of an alpha field is 4GB, we have imposed edit checks to limit the maximum size of an alpha field to 1MB (1048576) in characters.
This change effects...
- Permanent disk files
- Memory Files
- Working Storage files
- Work fields
Exceptions...
- Consecutive disk files (no initial support for large alpha fields)
- Temporary disk files (no initial support for large alpha fields)
- One-Record disk files (no initial support for large alpha fields)
Test Plan:
DD Edit Checks: (untested)
Test Requirements:
Note: Test these with key and non-key fields
Does the Data Dictionary Editor enforce a 1M field size limit for...
- Permanent disk files?
- Memory Files?
- Working Storage files?
- Work fields?
Does the Data Dictionary Editor enforce the original 32K limit for...
- Consecutive disk files?
- Temporary disk files?
- One-Record disk files?
Test Results and Notes:
Untested
Storage and Processing Capabilities: (untested)
Test Requirements:
Note: Test there with key and non-key fields
Note: Perform the following tests for the following...
- Permanent disk files
- Memory Files
- Working Storage files
- Work fields
Using a Subroutine process, can you store and retrieve 1M character in an alpha field?
Using an Input process can you store and retrieve 1M character in an alpha field?
Using an Output process can you store and retrieve 1M characters in an alpha field for the following as Text and PDF...
(I'm not sure this is a doable test, is there a way to print 1M character in an Appx report from a single field?)
Using a Query process can you correctly Sort and Select on 1M alpha fields?
Using Child Constraints can you correctly access parent/child data with 1M alpha fields?
Does TECHDOC print the field sizes correctly up to the max of 1M?
Test Results and Notes:
untested
ILF Statements: (untested)
Test Requirements:
Do the following ILF Statements handle 1M alpha fields correctly?
- APPEND
- BEG AT / END AT
- IF / AND / OR - All relational operators
- IF DIFF
- PASS / RECEIVE
- SET
- STORE / RESTORE
Test Results and Notes:
untested
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PeteBrower - 2011-03-03