Mercurial > dive4elements > river
comparison flys-backend/ChangeLog @ 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 |
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| 2348:8477965674ce | 2349:775e316f255b |
|---|---|
| 1 2011-10-05 Sascha L. Teichmann <sascha.teichmann@intevation.de>: | |
| 2 | |
| 3 * ChangeLog: Added database update statements. | |
| 4 | |
| 5 To update existing databases: | |
| 6 | |
| 7 BEGIN; | |
| 8 CREATE SEQUENCE UNITS_ID_SEQ; | |
| 9 CREATE TABLE units ( | |
| 10 id int PRIMARY KEY NOT NULL, | |
| 11 name VARCHAR(32) NOT NULL UNIQUE | |
| 12 ); | |
| 13 ALTER TABLE rivers ADD COLUMN wst_unit_id int REFERENCES units(id); | |
| 14 INSERT INTO units (id, name) VALUES (nextval('UNITS_ID_SEQ'), 'NN + m'); | |
| 15 INSERT INTO units (id, name) VALUES (nextval('UNITS_ID_SEQ'), 'NHN + m'); | |
| 16 UPDATE rivers SET wst_unit_id = (SELECT id FROM units WHERE name = 'NHN + m') WHERE name = 'Elbe'; | |
| 17 UPDATE rivers SET wst_unit_id = (SELECT id FROM units WHERE name = 'NN + m') WHERE name <> 'Elbe'; | |
| 18 ALTER TABLE rivers ALTER COLUMN wst_unit_id SET NOT NULL; | |
| 19 COMMIT; | |
| 20 | |
| 1 2011-10-05 Ingo Weinzierl <ingo@intevation.de> | 21 2011-10-05 Ingo Weinzierl <ingo@intevation.de> |
| 2 | 22 |
| 3 * contrib/dump-schema.sh: New. A small shell script that dumps the | 23 * contrib/dump-schema.sh: New. A small shell script that dumps the |
| 4 database schema of a given database to SQL. | 24 database schema of a given database to SQL. |
| 5 | 25 |