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Update cycle_notification_history.sql

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poveyd
2020-04-28 11:43:52 +01:00
committed by GitHub
parent d087e17f7a
commit d6344d3370
1 changed files with 4 additions and 2 deletions
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database_maintenance/cycle_notification_history.sql
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@@ -5,7 +5,7 @@ ALTER TABLE notification_history_pivot ADD PRIMARY KEY (id);
-- CREATE TRIGGER update_pivot BEFORE UPDATE ON notification_history
create trigger to update notification_history_pivot when update to notification_history
create foreign key constraints in notification_history_pivot
Create foreign key constraints in notification_history_pivot with dummy names - prefix with "nh_"
insert data into notification_history_pivot in batches
@@ -14,8 +14,10 @@ create remaining indices on notification_history_pivot
-- Run basic sanity checks on data in notification_history_pivot, ensuring same number of entries present in notification_history and notification_history_pivot
ALTER TABLE notification_history RENAME TO notification_history_old;
-- TODO: Drop constraints on notification_history_old
Drop constraints on notification_history_old
ALTER TABLE notification_history_pivot RENAME TO notification_history;
Create foreign key constraints in notification_history using correct names. Names of constraints will now be available after step above ("Drop constraints on notification_history_old").
Drop constraints in notification_history that are prefixed with "nh_".
-- Run sanity checks on data in notification_history_pivot
-- 1. Ensure same number of entries in notification_history and notification_history_pivot