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2b5e64a359
84121: Merged V4.2-BUG-FIX (4.2.4) to HEAD-BUG-FIX (5.0/Cloud)
82508: Merged V4.1-BUG-FIX (4.1.10) to V4.2-BUG-FIX (4.2.4)
82319: Merged DEV to V4.1-BUG-FIX (4.1.10)
81073 : MNT-9532 : SQL performance issue - WHERE ... IS NULL statements
- Initial commit to revert fixes for MNT-8527 (r48757) and MNT-9483 (r56137) as this fixes causes performance issue for Oracle.
81966 : MNT-9532 : SQL performance issue - WHERE ... IS NULL statements
- Default value for feed_user_id and site_network is now @@NULL@@.
- IS NULL clause was completly removed from activities queries.
- Upgrade sql script was added to replace nulls for Oracle (empty strings for other dialect) with @@NULL@@.
- Version schema was incremented by 1.
82278 : MNT-9532 : SQL performance issue - WHERE ... IS NULL statements
- Fixed unit test failure.
83431: MNT-9532 : SQL performance issue - WHERE ... IS NULL statements
- Fixed build failure
84115: MNT-9532/MNT-11871: with the revert of MNT-11871 patch, MNT-9532 should be using a lower schema number.
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@84632 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
48 lines
2.4 KiB
SQL
48 lines
2.4 KiB
SQL
--
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-- Title: Update ALF_ACTIVITY_FEED and ALF_ACTIVITY_FEED_CONTROL tables by setting special @@NULL@@ value for nullable columns feed_user_id and site_network.
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-- Database: Generic
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-- Since: V4.1 Schema 5149
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-- Author: Pavel Yurkevich
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--
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-- Please contact support@alfresco.com if you need assistance with the upgrade.
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--
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-- MNT-9532: SQL performance issue - WHERE ... IS NULL statements
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--
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-- Record script finish
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--
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-- Since oracle treats empty strings as NULLs, we have to use following format in where clause
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-- ((feed_user_id IS NULL AND '' IS NULL) OR feed_user_id = '')
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-- (feed_user_id IS NULL AND '' IS NULL) is Oracle specific part
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--FOREACH alf_activity_feed.id system.upgrade.alf_activity_feed.batchsize
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UPDATE alf_activity_feed af
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SET feed_user_id = '@@NULL@@'
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WHERE
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((feed_user_id IS NULL AND '' IS NULL) OR feed_user_id = '') AND af.id >= ${LOWERBOUND} AND af.id <= ${UPPERBOUND};
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--FOREACH alf_activity_feed.id system.upgrade.alf_activity_feed.batchsize
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UPDATE alf_activity_feed af
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SET site_network = '@@NULL@@'
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WHERE
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((site_network IS NULL AND '' IS NULL) OR site_network = '') AND af.id >= ${LOWERBOUND} AND af.id <= ${UPPERBOUND};
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--FOREACH alf_activity_feed_control.id system.upgrade.alf_activity_feed_control.batchsize
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UPDATE alf_activity_feed_control afc
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SET feed_user_id = '@@NULL@@'
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WHERE
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((feed_user_id IS NULL AND '' IS NULL) OR feed_user_id = '') AND afc.id >= ${LOWERBOUND} AND afc.id <= ${UPPERBOUND};
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--FOREACH alf_activity_feed_control.id system.upgrade.alf_activity_feed_control.batchsize
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UPDATE alf_activity_feed_control afc
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SET site_network = '@@NULL@@'
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WHERE
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((site_network IS NULL AND '' IS NULL) OR site_network = '') AND afc.id >= ${LOWERBOUND} AND afc.id <= ${UPPERBOUND};
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DELETE FROM alf_applied_patch WHERE id = 'patch.db-V4.1-update-activiti-nullable-columns';
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INSERT INTO alf_applied_patch
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(id, description, fixes_from_schema, fixes_to_schema, applied_to_schema, target_schema, applied_on_date, applied_to_server, was_executed, succeeded, report)
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VALUES
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(
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'patch.db-V4.1-update-activiti-nullable-columns', 'Manually executed script upgrade V4.1: ALF_ACTIVITY_FEED and ALF_ACTIVITY_FEED_CONTROL tables. Updates feed_user_id and site_network columns with @@NULL@@ value',
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0, 5149, -1, 5150, null, 'UNKNOWN', ${TRUE}, ${TRUE}, 'Script completed'
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); |