[mythtv-commits] Ticket #13649: Excessive calls to SELECT sourceid FROM capturecard WHERE cardid = ?

[MythTV]

#13649: Excessive calls to SELECT sourceid FROM capturecard WHERE cardid = ?
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 Reporter:  bib1963               |          Owner:  Klaas de Waal
     Type:  Bug Report - General  |         Status:  closed
 Priority:  minor                 |      Milestone:  31.1
Component:  MythTV - General      |        Version:  Unspecified
 Severity:  medium                |     Resolution:  fixed
 Keywords:                        |  Ticket locked:  0
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Changes (by Klaas de Waal <kdewaal@…>):

 * status:  accepted => closed
 * resolution:   => fixed


Comment:

 In [changeset:"f7a1f4b1a0204f624985d872395c7d689ca91da2/mythtv"
 f7a1f4b1a/mythtv]:
             {{{
             #!CommitTicketReference repository="mythtv"
 revision="f7a1f4b1a0204f624985d872395c7d689ca91da2"
             Create key for DVB channel master lock only once

 Create master key only once and use that each time the lock is requested
 instead of creating the key every time again. This solves the problem that
 the database is accessed 40 times per second for the source ID of a
 capture card for each capture card while monitoring the signal status.

 Fixes #13649

 (cherry picked from commit 7277ae9af33093bdf50b532888bd49b5a2d69bb0)
 Signed-off-by: Klaas de Waal <kdewaal at mythtv.org>
             }}}

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Ticket URL: <https://code.mythtv.org/trac/ticket/13649#comment:5>
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