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[Andreas Preikschat <1068613@xxxxxxxxxxxxxxxxxx>]

** Also affects: openlp/trunk
   Importance: Wishlist
       Status: New

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https://bugs.launchpad.net/bugs/1068613

Title:
  caching sqlalchemy queries

Status in OpenLP - Worship Presentation Software:
  New
Status in OpenLP trunk series:
  New

Bug description:
  Sqlite nor sqlalchemy does not provide any mechanism for caching data.
  Everytime all sql queries are processed even when the same queries are
  done several times.

  We could improve the openlp performance in retrieving data from sqlite
  database files with some caching mechanism.

  Sqlalchemy provides some examples how to do that with Beaker
  (http://pypi.python.org/pypi/Beaker/):

  http://docs.sqlalchemy.org/en/rel_0_7/orm/examples.html#beaker-caching

  Beaker is a pure-python library. It allows caching on filesystem and
  even in memory only.

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