Mercurial > dive4elements > river
changeset 2349:775e316f255b
units table: Added update statements for existing databases
flys-backend/trunk@2890 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
|---|---|
| date | Wed, 05 Oct 2011 09:03:58 +0000 |
| parents | 8477965674ce |
| children | 3eb520b7a70e |
| files | flys-backend/ChangeLog |
| diffstat | 1 files changed, 20 insertions(+), 0 deletions(-) [+] |
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--- a/flys-backend/ChangeLog Wed Oct 05 08:33:25 2011 +0000 +++ b/flys-backend/ChangeLog Wed Oct 05 09:03:58 2011 +0000 @@ -1,3 +1,23 @@ +2011-10-05 Sascha L. Teichmann <sascha.teichmann@intevation.de>: + + * ChangeLog: Added database update statements. + + To update existing databases: + + BEGIN; + CREATE SEQUENCE UNITS_ID_SEQ; + CREATE TABLE units ( + id int PRIMARY KEY NOT NULL, + name VARCHAR(32) NOT NULL UNIQUE + ); + ALTER TABLE rivers ADD COLUMN wst_unit_id int REFERENCES units(id); + INSERT INTO units (id, name) VALUES (nextval('UNITS_ID_SEQ'), 'NN + m'); + INSERT INTO units (id, name) VALUES (nextval('UNITS_ID_SEQ'), 'NHN + m'); + UPDATE rivers SET wst_unit_id = (SELECT id FROM units WHERE name = 'NHN + m') WHERE name = 'Elbe'; + UPDATE rivers SET wst_unit_id = (SELECT id FROM units WHERE name = 'NN + m') WHERE name <> 'Elbe'; + ALTER TABLE rivers ALTER COLUMN wst_unit_id SET NOT NULL; + COMMIT; + 2011-10-05 Ingo Weinzierl <ingo@intevation.de> * contrib/dump-schema.sh: New. A small shell script that dumps the