Mercurial > dive4elements > river
diff backend/doc/schema/postgresql-minfo.sql @ 6045:2d16f4a0bdcc
Schema change: there is only one bed height per station at a given point in time
| author | Tom Gottfried <tom@intevation.de> |
|---|---|
| date | Thu, 16 May 2013 18:03:39 +0200 |
| parents | 62e6598a2c4b |
| children | 7fb0e755e4fa df402b3e0281 |
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--- a/backend/doc/schema/postgresql-minfo.sql Thu May 16 16:14:28 2013 +0200 +++ b/backend/doc/schema/postgresql-minfo.sql Thu May 16 18:03:39 2013 +0200 @@ -92,6 +92,7 @@ sounding_width NUMERIC, width NUMERIC, PRIMARY KEY(id), + UNIQUE (station, bed_height_single_id), CONSTRAINT fk_bed_single_values_parent FOREIGN KEY (bed_height_single_id) REFERENCES bed_height_single(id) ON DELETE CASCADE );