devdocs/specs/core-log-business.txt

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+Business history log
+
+FROM CASE 79
+
+A central event log used to track changes to business objects and events of significance in AyaNova.
+
+Auto prunes (can be set)
+
+Has some sort of checksum or verification so we can tell it wasn't fucked with
+
+Consumed by various widgets for record history purposes
+Each object defines it's own set of event id's of significance (int enum) in addition to some events common to all objects: 
+
+1=created
+2=modified
+3=deleted
+
+
+
+EVENT LOG DB SCHEMA
+------------------------------------
+AYTYPE (object type int), 
+AYID (object id),
+AYEVENT (event of interest type int defined in object), 
+TIMESTAMP (unix epoch), 
+USERID,
+TEXTRA (text field to identify stuff that can't be retrieved from source object, i.e. deleted record name) 
+
+