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Revision 8574

continue to work on the criteria for selecting documents to restore.
expanded the criteria for setting archived=false to include any revision that was already obsoleted_by somethign else.

View differences:

upgrade-db-to-2.4.0-postgres.sql
2 2
 * Restore archived documents
3 3
 */
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/* Gather most recent docids from xml_revisions that
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 *  1. do not have systemMetadata.archived=true 
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 *  2. do not exist in xml_documents
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 *  TODO: hone the criteria for selecting documents to restore
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/* 
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 * Gather most recent docids from xml_revisions that
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 * TODO: hone the criteria for selecting documents to restore
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 *  1. have systemMetadata.archived=true
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 * 	2. have non-null obsoleted_by (they were updated by a newer version)
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 *  3. do not exist in xml_documents (they were incorrectly archived)
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 *  4. have access_log event='delete' by the CN?
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 * */
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CREATE TABLE restore_documents (
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	docid VARCHAR(250),
......
33 36
AND id.guid = sm.guid
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AND sm.archived = true
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AND sm.obsoleted_by is not null
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AND NOT EXISTS (SELECT * from xml_documents xd WHERE x.docid = xd.docid)
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AND NOT EXISTS (SELECT * FROM xml_documents xd WHERE x.docid = xd.docid)
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AND x.docid || '.' || x.rev IN 
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(SELECT docid
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FROM access_log al
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WHERE al.event = 'delete'
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AND al.date_logged >= '20140101'
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AND al.principal LIKE '%CNORC%')
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ORDER BY id.guid;
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SELECT docid
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FROM access_log al
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WHERE al.event = 'delete'
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AND al.date_logged >= '20140101'
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AND al.principal LIKE '%CNORC%';
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/* Move xml_revisions back into xml_documents for the affected docids 
40 55
 */
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INSERT INTO xml_documents
......
62 77
FROM xml_nodes_revisions x, restore_documents rd
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WHERE x.rootnodeid = rd.rootnodeid;
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/* Ensure previous revisions of docids do not have systemMetadata.archived=true
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/* Ensure ALL previous revisions of docids that
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 * have been obsoleted_by something else 
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 * do not also have archived=true flag set
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 * (Avoids encountering this issue again)
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 */
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UPDATE systemMetadata sm
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SET sm.archived = false
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FROM restore_documents rd
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WHERE sm.guid = rd.guid;
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FROM xml_documents x
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	identifier id
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WHERE x.docid = id.docid
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AND id.guid = sm.guid
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AND sm.obsoleted_by IS NOT null;
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/* Clean up
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 */

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