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Update cycle_notification_history_in_batches.sql

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poveyd
2020-05-04 15:20:10 +01:00
committed by GitHub
parent 37f5981de8
commit 490d7d8d39
1 changed files with 2 additions and 2 deletions
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database_maintenance/cycle_notification_history_in_batches.sql
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@@ -4,13 +4,13 @@ CREATE TABLE notification_history_pivot AS SELECT * from notification_history WH
CREATE TEMPORARY TABLE nh_temp AS SELECT id FROM notification_history; CREATE TEMPORARY TABLE nh_temp AS SELECT id FROM notification_history;
SELECT COUNT(*) AS 'Total number of rows in nh' FROM nh_temp; SELECT COUNT(*) AS "Total number of rows in nh" FROM nh_temp;
DELETE FROM nh_temp t DELETE FROM nh_temp t
USING notification_history_pivot p USING notification_history_pivot p
WHERE t.id = p.id; WHERE t.id = p.id;
SELECT COUNT(*) AS 'Number of rows remaining that need moving across from nh to nh_pivot' FROM nh_temp; SELECT COUNT(*) AS "Number of rows remaining that need moving across from nh to nh_pivot" FROM nh_temp;
-- In each function call, using same database connection as used for the above SQL (needs to be in a transaction; this can be inside a stored function or in a transaction from the code) -- In each function call, using same database connection as used for the above SQL (needs to be in a transaction; this can be inside a stored function or in a transaction from the code)