openerp-india team mailing list archive

["Ferdinand @ Camptocamp" <932524@xxxxxxxxxxxxxxxxxx>]

please take a look at the attachment
it clearly shows sequential scans which must not exist in an optimized DB (at least not for big tables)

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https://bugs.launchpad.net/bugs/932524

Title:
  account invoice report: massive performance problems

Status in OpenERP Addons (modules):
  Confirmed

Bug description:
  IMHO produces a carthesian product

  account/report/ account_invoice_report.py
  row 166
                  res_currency_rate cr
                  where cr.id in (select id from res_currency_rate cr2  where (cr2.currency_id = ai.currency_id)
                  and ((ai.date_invoice is not null and cr.name <= ai.date_invoice) or (ai.date_invoice is null and cr.name <= NOW())) limit 1)

  there as some 4000 entries in res_currency_rate
  it never returns

  EXPLAIN sais it will return > 1mio records
  for 400 invoicese
  500 invoice lines

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