Produce better SQL queries for "instance_select_query". The new version allows to specify the base_table, which is either cr_revisions (defa…
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Produce better SQL queries for "instance_select_query". The new version allows to specify the base_table,which is either cr_revisions (default) or the automatically generated view (such as e.g. xowiki_pagei).This change allows to avoid joins of large tables, which might be in large installations slowallthough all involved join conditions are indexed. The join with acs-objects is now aswell done only when needed (maybe we add an option for make this explicit later, when needed).
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