Optimize SQL query to use full text search (i.e. index) in order to find...

Optimize SQL query to use full text search (i.e. index) in order to find related documents (i.e. referencing documents) rather than like (which scan all table rows).

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@28548 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_dms/SkinTemplateItem/portal_skins/erp5_dms/Base_zGetImplicitPredecessorValueList.xml

@@ -125,7 +125,7 @@ FROM\n
       AND <dtml-var "query[\'where_expression\']">\n
       </dtml-if>\n
       AND\n
-        <dtml-sqltest "\'%\'+str(reference)+\'%\'" column=SearchableText op=like type=string>\n
+        MATCH(SearchableText) AGAINST(<dtml-sqlvar reference type=string>)\n
       AND\n
         <dtml-sqltest reference op=ne type=string>\n
     ORDER BY reference, language_order DESC, version DESC, revision DESC\n
@@ -211,7 +211,7 @@ FROM\n
       AND <dtml-var "query[\'where_expression\']">\n
       </dtml-if>\n
       AND\n
-        <dtml-sqltest "\'%\'+str(reference)+\'%\'" column=SearchableText op=like type=string>\n
+        MATCH(SearchableText) AGAINST(<dtml-sqlvar reference type=string>)\n
       AND\n
         <dtml-sqltest reference op=ne type=string>\n
     ORDER BY reference, language_order DESC, version DESC, revision DESC\n

bt5/erp5_dms/bt/change_log

+2009-08-21 ivan
+* Use full text search to find related documents (i.e. referencing documents)
+
 2009-08-12 Kazuhiko
 * use iframe_content in OOoDocument_viewAsWeb for Drawing and Presentation to have better paginations.
 * use OOoDocument_viewAsWeb instead of Drawing_viewAsWeb in all preview for Drawing and Presentation.

bt5/erp5_dms/bt/revision

-1008
\ No newline at end of file
+1009
\ No newline at end of file