Revision fb8a8097
Von Bernd Bleßmann vor mehr als 9 Jahren hinzugefügt
sql/Pg-upgrade2/custom_variables_delete_via_trigger.pl | ||
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use parent qw(SL::DBUpgrade2::Base); |
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sub run { |
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my ($self) = @_; |
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my @queries = ( |
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#Delete orphaned entries |
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q|DELETE FROM custom_variables WHERE sub_module = 'orderitems' |
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AND NOT EXISTS (SELECT id FROM orderitems WHERE orderitems.id = custom_variables.trans_id)|, |
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q|DELETE FROM custom_variables WHERE sub_module = 'delivery_order_items' |
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AND NOT EXISTS (SELECT id FROM delivery_order_items WHERE delivery_order_items.id = custom_variables.trans_id)|, |
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q|DELETE FROM custom_variables WHERE sub_module = 'invoice' |
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AND NOT EXISTS (SELECT id FROM invoice WHERE invoice.id = custom_variables.trans_id)|, |
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#Create trigger |
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q|CREATE OR REPLACE FUNCTION orderitems_before_delete_trigger() RETURNS trigger AS $$ |
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BEGIN |
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DELETE FROM custom_variables WHERE sub_module = 'orderitems' AND trans_id = OLD.id; |
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RETURN OLD; |
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END; |
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$$ LANGUAGE plpgsql|, |
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q|DROP TRIGGER IF EXISTS delete_orderitems_dependencies ON orderitems|, |
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q|CREATE TRIGGER delete_orderitems_dependencies |
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BEFORE DELETE ON orderitems |
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FOR EACH ROW EXECUTE PROCEDURE orderitems_before_delete_trigger()|, |
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q|CREATE OR REPLACE FUNCTION delivery_order_items_before_delete_trigger() RETURNS trigger AS $$ |
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BEGIN |
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DELETE FROM custom_variables WHERE sub_module = 'delivery_order_items' AND trans_id = OLD.id; |
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RETURN OLD; |
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END; |
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$$ LANGUAGE plpgsql|, |
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q|DROP TRIGGER IF EXISTS delete_delivery_order_items_dependencies ON delivery_order_items|, |
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q|CREATE TRIGGER delete_delivery_order_items_dependencies |
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BEFORE DELETE ON delivery_order_items |
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FOR EACH ROW EXECUTE PROCEDURE delivery_order_items_before_delete_trigger()|, |
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q|CREATE OR REPLACE FUNCTION invoice_before_delete_trigger() RETURNS trigger AS $$ |
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BEGIN |
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DELETE FROM custom_variables WHERE sub_module = 'invoice' AND trans_id = OLD.id; |
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RETURN OLD; |
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END; |
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$$ LANGUAGE plpgsql|, |
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q|DROP TRIGGER IF EXISTS delete_invoice_dependencies ON invoice|, |
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q|CREATE TRIGGER delete_invoice_dependencies |
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BEFORE DELETE ON invoice |
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FOR EACH ROW EXECUTE PROCEDURE invoice_before_delete_trigger()| |
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); |
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$self->db_query($_) for @queries; |
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# This script is intentionally empty, because there is another upgrade script |
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# which provides this functionality. |
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return 1; |
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} |
Auch abrufbar als: Unified diff
Redundante Upgrade-Skripte zum Löschen von CVars via Trigger entfernt.
Nicht gelöscht, sondern "geleert" und ein weiteres Skript zum Löschen
der Trigger und Funktionen.