Fridolin Somers
0573d01eaa
Table pseudonymized_transactions contains : KEY `pseudonymized_transactions_ibfk_1` (`categorycode`), KEY `pseudonymized_transactions_borrowers_ibfk_2` (`branchcode`), KEY `pseudonymized_transactions_borrowers_ibfk_3` (`transaction_branchcode`) To improve SQL queries performance, it needs more indexes, specially on itemnumber. Looking at table statistics : KEY `timeidx` (`datetime`), KEY `branch_idx` (`branch`), KEY `type_idx` (`type`), KEY `itemnumber_idx` (`itemnumber`), So index is need on pseudonymized_transactions columns : itemnumber => For join with table items transaction_type => For filter on type issue, return ... datetime => For filter on date, this will help cleanup script Test plan : 1) Run updatedatabase.pl 2) Check indexes are created in table pseudonymized_transactions 3) Run SQL query : describe select * from pseudonymized_transactions join items using(itemnumber) where transaction_type='issue' and datetime < date_sub(curdate(), INTERVAL 30 DAY) => You see the 3 new indexes used in 'possible_keys'. Signed-off-by: David Nind <david@davidnind.com> Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl> Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de> |
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| .. | ||
| bug_36033.pl | ||
| README | ||
| skeleton.pl | ||
Please put your database revision files in this folder. The Release Manager will remove them here when pushing your patches. To use the skeleton .perl for your update: % cp installer/data/mysql/atomicupdate/skeleton.perl installer/data/mysql/atomicupdate/bug_XXXXX.perl and put your modifications in where noted.