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Fix constraints so DELETE FROM usr; will work.

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Andrew McMillan 2008-11-24 09:04:35 +13:00
parent ba12d86fbb
commit 7df7da3132
2 changed files with 40 additions and 7 deletions
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14
dba/davical.sql
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@ -29,7 +29,7 @@ CREATE TABLE caldav_data (
modified TIMESTAMP WITH TIME ZONE,
caldav_data TEXT,
caldav_type TEXT,
logged_user INT references usr(user_no),
logged_user INT references usr(user_no) ON UPDATE CASCADE ON DELETE SET DEFAULT DEFERRABLE,
dav_id INT8 UNIQUE DEFAULT nextval('dav_id_seq'),
collection_id INT8 REFERENCES collection(collection_id) ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE,
@ -48,7 +48,7 @@ CREATE TABLE time_zone (
-- The parsed calendar item. Here we have pulled those events/todos/journals apart somewhat.
CREATE TABLE calendar_item (
user_no INT references usr(user_no),
user_no INT references usr(user_no) ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE,
dav_name TEXT,
dav_etag TEXT,
@ -97,9 +97,9 @@ CREATE TABLE relationship_type (
CREATE TABLE relationship (
from_user INT REFERENCES usr (user_no) ON UPDATE CASCADE,
to_user INT REFERENCES usr (user_no) ON UPDATE CASCADE,
rt_id INT REFERENCES relationship_type (rt_id) ON UPDATE CASCADE,
from_user INT REFERENCES usr (user_no) ON UPDATE CASCADE ON DELETE CASCADE,
to_user INT REFERENCES usr (user_no) ON UPDATE CASCADE ON DELETE CASCADE,
rt_id INT REFERENCES relationship_type (rt_id) ON UPDATE CASCADE ON DELETE CASCADE,
PRIMARY KEY ( from_user, to_user, rt_id )
);
@ -123,7 +123,7 @@ CREATE TABLE property (
property_name TEXT,
property_value TEXT,
changed_on TIMESTAMP DEFAULT current_timestamp,
changed_by INT REFERENCES usr ( user_no ),
changed_by INT REFERENCES usr ( user_no ) ON UPDATE CASCADE ON DELETE SET DEFAULT,
PRIMARY KEY ( dav_name, property_name )
);
CREATE INDEX properties_dav_name_idx ON property(dav_name);
@ -235,4 +235,4 @@ CREATE TABLE privilege (
);
SELECT new_db_revision(1,2,2, 'Fevrier' );
SELECT new_db_revision(1,2,5, 'Mai' );

33
dba/patches/1.2.5.sql Normal file
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@ -0,0 +1,33 @@
-- This database update refines the constraint on usr in order to try and be
-- able to actually DELETE FROM usr WHERE user_no = x; and have the database
-- do the right thing...
BEGIN;
SELECT check_db_revision(1,2,4);
ALTER TABLE calendar_item DROP CONSTRAINT "calendar_item_user_no_fkey";
ALTER TABLE calendar_item ADD CONSTRAINT "calendar_item_user_no_fkey" FOREIGN KEY (user_no) REFERENCES usr(user_no)
ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE;
ALTER TABLE caldav_data DROP CONSTRAINT "caldav_data_logged_user_fkey";
ALTER TABLE caldav_data ADD CONSTRAINT "caldav_data_logged_user_fkey" FOREIGN KEY (logged_user) REFERENCES usr(user_no)
ON UPDATE CASCADE ON DELETE SET DEFAULT DEFERRABLE;
ALTER TABLE relationship DROP CONSTRAINT "relationship_from_user_fkey";
ALTER TABLE relationship ADD CONSTRAINT "relationship_from_user_fkey" FOREIGN KEY (from_user) REFERENCES usr(user_no) ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE;
ALTER TABLE relationship DROP CONSTRAINT "relationship_to_user_fkey";
ALTER TABLE relationship ADD CONSTRAINT "relationship_to_user_fkey" FOREIGN KEY (to_user) REFERENCES usr(user_no) ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE;
ALTER TABLE relationship DROP CONSTRAINT "relationship_rt_id_fkey";
ALTER TABLE relationship ADD CONSTRAINT "relationship_rt_id_fkey" FOREIGN KEY (rt_id) REFERENCES relationship_type(rt_id) ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE;
ALTER TABLE property DROP CONSTRAINT "property_changed_by_fkey";
ALTER TABLE property ADD CONSTRAINT "property_changed_by_fkey" FOREIGN KEY (changed_by) REFERENCES usr(user_no)
ON UPDATE CASCADE ON DELETE SET DEFAULT DEFERRABLE;
SELECT new_db_revision(1,2,5, 'Mai' );
COMMIT;
ROLLBACK;