History Log - only show meta data, how can i get actual data

You can’t.  What you see in the history log attributes is as good as it gets.  You aren’t going to get a before and after object view for any objects.

You can use the SQL Query Tool to get a better report for specific information and old/new values.   Here’s an example for updates to the lot/batch tracking on master parts (I’ve removed HL.USERNAME for this post).  You will of course have to modify LU_NAME and the regexp_replace fields so the search/replace value reflects the appropriate attribute in the KEYS field.  Note that I also commented out the last line of the where clause where you can specify the key value that you’re looking for.   One last thing - the date input will be in the default format unless you change the TIME_STAMP format.

Date input format:

PartCatalog Example Query: 

SELECT HL.LOG_ID
,HL.LU_NAME
,HL.TABLE_NAME
,HL.TIME_STAMP
,HL.USERNAME
,regexp_replace(HL.KEYS, '.*PART_NO=([^\^]+).*', '\1') PART_NO
,regexp_replace(HL.KEYS, '.*CONTRACT=([^\^]+).*', '\1') CONTRACT
,HLA.COLUMN_NAME
,HLA.OLD_VALUE
,HLA.NEW_VALUE
FROM IFSAPP.HISTORY_LOG HL
JOIN IFSAPP.HISTORY_LOG_ATTRIBUTE HLA ON HLA.LOG_ID = HL.LOG_ID
WHERE LU_NAME = 'PartCatalog'
  AND TIME_STAMP > '&Start_Date'
  AND HLA.OLD_VALUE IS NOT NULL
  AND HL.USERNAME <> 'SFINTUSER'
  --AND regexp_replace(HL.KEYS, '.*PART_NO=([^\^]+).*', '\1') LIKE '&Part_No'

CustomerOrderCharge Example Query: 

SELECT HL.LOG_ID
,HL.LU_NAME
,HL.TABLE_NAME
,HL.TIME_STAMP
,HL.USERNAME
,regexp_replace(HL.KEYS, '.*ORDER_NO=([^\^]+).*', '\1') ORDER_NO
,regexp_replace(HL.KEYS, '.*SEQUENCE_NO=([^\^]+).*', '\1') SEQUENCE_NO
,HLA.COLUMN_NAME
,HLA.OLD_VALUE
,HLA.NEW_VALUE
FROM IFSAPP.HISTORY_LOG HL
JOIN IFSAPP.HISTORY_LOG_ATTRIBUTE HLA ON HLA.LOG_ID = HL.LOG_ID
WHERE LU_NAME = 'CustomerOrderCharge'
  AND regexp_replace(HL.KEYS, '.*ORDER_NO=([^\^]+).*', '\1') LIKE '&Order_No_' || '%'
  AND HLA.OLD_VALUE IS NOT NULL

Sorry, there was a mistake in the CONTRACT field in the Part Catalog example.  Here’s the corrected syntax.  

SELECT HL.LOG_ID
,HL.LU_NAME
,HL.TABLE_NAME
,HL.TIME_STAMP
,HL.USERNAME
,regexp_replace(HL.KEYS, '.*PART_NO=([^\^]+).*', '\1') PART_NO
,regexp_replace(HL.KEYS, 'CONTRACT=([^\^]+).*', '\1') CONTRACT
,HLA.COLUMN_NAME
,HLA.OLD_VALUE
,HLA.NEW_VALUE
FROM IFSAPP.HISTORY_LOG HL
JOIN IFSAPP.HISTORY_LOG_ATTRIBUTE HLA ON HLA.LOG_ID = HL.LOG_ID
WHERE LU_NAME = 'InventoryPart'
  AND OLD_VALUE IS NOT NULL
  AND TIME_STAMP > '&STARTDATE'