Mercurial > dive4elements > river
comparison flys-backend/doc/schema/oracle.sql @ 4651:83a42e6a562d
Added view for selecting ranges in wsts.
author | Sascha L. Teichmann <teichmann@intevation.de> |
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date | Thu, 06 Dec 2012 17:30:09 +0100 |
parents | 948c7289fc42 |
children | 20b6ebf23916 |
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4650:31327b3b2455 | 4651:83a42e6a562d |
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471 wst_column_pos | 471 wst_column_pos |
472 FROM official_lines ol | 472 FROM official_lines ol |
473 JOIN q_main_values qmv | 473 JOIN q_main_values qmv |
474 ON ol.river_id = qmv.river_id | 474 ON ol.river_id = qmv.river_id |
475 AND ol.name = qmv.name; | 475 AND ol.name = qmv.name; |
476 | |
477 CREATE VIEW wst_ranges | |
478 AS | |
479 SELECT wc.id AS wst_column_id, | |
480 wc.wst_id AS wst_id, | |
481 Min(wcv.position) AS a, | |
482 Max(wcv.position) AS b | |
483 FROM wst_columns wc | |
484 JOIN wst_column_values wcv | |
485 ON wc.id = wcv.wst_column_id | |
486 GROUP BY wc.id, | |
487 wc.wst_id; |