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git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@5702 57a11ea4-9604-0410-9ed3-97b8803252fd
This commit is contained in:
Linas Vepstas 2001-10-19 21:51:19 +00:00
parent 34eb691af8
commit ed94d8b79b
1 changed files with 13 additions and 2 deletions
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15
src/backend/postgres/table-audit.sql
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@ -10,11 +10,22 @@
-- HISTORY:
-- Copyright (C) 2000, 2001 Linas Vepstas
--
-- audit trail tables
-- The change field may be 'a' -- add, 'd' -- delete/drop, 'm' -- modify
--
-- The objtype field may be 'a' -- account, 'c' -- commodity, 'e' -- entry,
-- 'k' -- kvp, 'p' -- price, 't' -- transaction
--
-- The objtype is the class type of the child class.
--
-- Note that SQL is only partially object-oriented. Thus, we use the
-- gncAuditTrail table to define the parent class; the children inherit
-- from it. Since SQL doesn't tell the parent who the child was, we use
-- the 'objtype' field to store the class type of the child.
--
-- Thus, we should really enforce a constraint on this field:
-- CREATE TABLE gncAccountTrail (
-- objtype CHAR NOT NULL CHECK (objtype == 'a')
-- and so on.
CREATE TABLE gncAuditTrail (
sessionGuid CHAR(32) NOT NULL, -- who changed it