[PATCH] Add script to migrate an Oracle DB from schema 3.1.9 to 3.1.10

[Wald Commits]

# HG changeset patch
# User Tom Gottfried <tom at intevation.de>
# Date 1448387544 -3600
# Node ID 76c84294c1d394c2c03d44bd9a8637356d86f960
# Parent  062a1da97ea19d77322f6024fa6538e1570379d0
Add script to migrate an Oracle DB from schema 3.1.9 to 3.1.10.

diff -r 062a1da97ea1 -r 76c84294c1d3 backend/doc/schema/oracle_migrations/from3.1.9to3.1.10.sql
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/backend/doc/schema/oracle_migrations/from3.1.9to3.1.10.sql	Tue Nov 24 18:52:24 2015 +0100
@@ -0,0 +1,86 @@
+-- SEDDB_NAME
+-- Lookup table for optional matching with differing river names in SedDB
+-- Add name here and set rivers.seddb_name_id to id
+CREATE TABLE seddb_name (
+    id                  NUMBER(38,0) NOT NULL,
+    name                VARCHAR2(255) NOT NULL,
+    PRIMARY KEY         (id)
+);
+
+ALTER TABLE rivers ADD seddb_name_id NUMBER(38,0);
+
+ALTER TABLE rivers ADD CONSTRAINT cRiversSeddbNames
+      FOREIGN KEY (seddb_name_id) REFERENCES seddb_name;
+
+
+-- bed heights
+ALTER TABLE bed_height_single DROP CONSTRAINT fk_bed_single_river_id;
+ALTER TABLE bed_height_single DROP CONSTRAINT fk_type;
+ALTER TABLE bed_height_single DROP CONSTRAINT fk_location_system;
+ALTER TABLE bed_height_single DROP CONSTRAINT fk_cur_elevation_model;
+ALTER TABLE bed_height_single DROP CONSTRAINT fk_old_elevation_model;
+ALTER TABLE bed_height_single DROP CONSTRAINT fk_range;
+
+ALTER TABLE bed_height_single DROP COLUMN sounding_width;
+
+ALTER TABLE bed_height_single RENAME TO bed_height;
+
+ALTER TABLE bed_height ADD CONSTRAINT fk_bh_river_id
+      FOREIGN KEY (river_id) REFERENCES rivers(id) ON DELETE CASCADE;
+ALTER TABLE bed_height ADD CONSTRAINT fk_bh_type
+      FOREIGN KEY (type_id) REFERENCES bed_height_type(id);
+ALTER TABLE bed_height ADD CONSTRAINT fk_bh_location_system
+      FOREIGN KEY (location_system_id) REFERENCES location_system(id);
+ALTER TABLE bed_height ADD CONSTRAINT fk_bh_cur_elevation_model
+      FOREIGN KEY (cur_elevation_model_id) REFERENCES elevation_model(id);
+ALTER TABLE bed_height ADD CONSTRAINT fk_bh_old_elevation_model
+      FOREIGN KEY (old_elevation_model_id) REFERENCES elevation_model(id);
+ALTER TABLE bed_height ADD CONSTRAINT fk_bh_range
+      FOREIGN KEY (range_id) REFERENCES ranges(id) ON DELETE CASCADE;
+
+-- the following is needed because Oracle is not able to mix DDL with
+-- DML in a subselect
+VARIABLE seqval NUMBER
+BEGIN
+    SELECT BED_HEIGHT_SINGLE_ID_SEQ.NEXTVAL INTO :seqval FROM DUAL;
+    execute immediate('CREATE SEQUENCE BED_HEIGHT_ID_SEQ START WITH '
+                      || :seqval);
+END;
+/
+DROP SEQUENCE BED_HEIGHT_SINGLE_ID_SEQ;
+
+
+-- bed height values
+ALTER TABLE bed_height_single_values
+      DROP CONSTRAINT fk_bed_single_values_parent;
+
+ALTER TABLE bed_height_single_values
+      RENAME COLUMN bed_height_single_id TO bed_height_id;
+ALTER TABLE bed_height_single_values DROP COLUMN width;
+
+ALTER TABLE bed_height_single_values RENAME TO bed_height_values;
+
+ALTER TABLE bed_height_values ADD CONSTRAINT fk_bed_values_parent
+      FOREIGN KEY (bed_height_id) REFERENCES bed_height(id) ON DELETE CASCADE;
+
+BEGIN
+    SELECT BED_SINGLE_VALUES_ID_SEQ.NEXTVAL INTO :seqval FROM DUAL;
+    execute immediate('CREATE SEQUENCE BED_HEIGHT_VALUES_ID_SEQ START WITH '
+                      || :seqval);
+END;
+/
+DROP SEQUENCE BED_SINGLE_VALUES_ID_SEQ;
+
+
+-- measurement stations
+ALTER TABLE measurement_station ADD CONSTRAINT check_m_type
+      CHECK(measurement_type IN ('Geschiebe', 'Schwebstoff'));
+
+
+-- SQ relations
+ALTER TABLE sq_relation DROP CONSTRAINT fk_sqr_river_id;
+
+ALTER TABLE sq_relation DROP COLUMN river_id;
+
+ALTER TABLE sq_relation_value ADD CONSTRAINT sq_mstation_param_key
+      UNIQUE(sq_relation_id, measurement_station_id, parameter);