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revision 397 by roland, Tue Sep 14 07:41:39 2010 UTC revision 399 by frank, Mon Sep 20 14:51:38 2010 UTC
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1    2010-09-20  Frank Koormann   <[email protected]>
2    
3            * formed/formed/plugins/export/latex.py (RecursiveExporter):
4            Add "required"-field information to output and include
5            choice list contents.
6    
7    2010-09-16  Bernhard Herzog  <[email protected]>
8    
9            Avoid database deadlocks that can happen when database clients try
10            to work with the same case using two separate database
11            connections.  See mpuls/issue1145 for details.
12    
13            * formed/formed/plugins/export/rg_sql.py (SQL_TEMPLATE): Split the
14            computation of the new json structure description into the new
15            database function compute_case_structure
16            (TRIGGER_TMPL): Change the trigger functions to immediately update
17            the cached json structure description instead of just setting the
18            modified flag.  This avoids the lazy recomputation that makes what
19            seems like a read-only access (calling get_case_structure) into a
20            writing access (updates of the cache).  The writes lock the row in
21            the case_structure table which prevent other connections from
22            accessing the same case.  As part of this, the delete triggers are
23            now AFTER triggers because the repeat groups instance must have
24            been removed when the structure is recomputed.
25            (SUBSELECT_TMPL): Since the delete trigger is now an after
26            trigger, we need to change the way the master id is computed.  We
27            cannot join with the repeatgroup table in question because the row
28            has already been deleted.  However, we can use the master_id
29            column of the OLD row to select the row of the parent table.
30            (create_triggers): Avoid the inner joins with the current repeat
31            group for the above mentioned reasons.  In the very common case of
32            repeat groups which are direct children of the master_tbl, we can
33            compare the master_tbl.id directly with the row's master_id.
34    
35  2010-09-14 Roland Geider <[email protected]>  2010-09-14 Roland Geider <[email protected]>
36    
37          * formed/formed/plugins/export/xsd.py: issue1131: update XSD for new          * formed/formed/plugins/export/xsd.py: issue1131: update XSD for new

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