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2024-08-07-unique-constraint-fk_1-fk_2-to-re_-tables #369

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merged 3 commits into from
Aug 12, 2024
Merged

2024-08-07-unique-constraint-fk_1-fk_2-to-re_-tables #369

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9e31006
add UNIQUE INDEX in_re_building_group_disposal_fks
sjib Aug 7, 2024
1919c2e
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Aug 7, 2024
acb409c
move re_ unique indices to end - else fk_* are not created yet
sjib Aug 9, 2024
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6 changes: 6 additions & 0 deletions datamodel/changelogs/0001/03_tww_db_dss.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,7 @@ CREATE TABLE tww_od.re_building_group_disposal
CONSTRAINT pkey_tww_od_re_building_group_disposal_id PRIMARY KEY (id)
);
COMMENT ON COLUMN tww_od.re_building_group_disposal.id IS 'UUID generated with uuid_generate_v4 see https://www.postgresql.org/docs/16/uuid-ossp.html#UUID-OSSP-FUNCTIONS-SECT';

-------
CREATE TABLE tww_od.re_maintenance_event_wastewater_structure
(
Expand Down Expand Up @@ -5179,3 +5180,8 @@ ALTER TABLE tww_od.farm ADD CONSTRAINT rel_od_farm_fk_dataprovider FOREIGN KEY (
CREATE UNIQUE INDEX in_od_hydraulic_char_data_identifier ON tww_od.hydraulic_char_data USING btree (identifier ASC NULLS LAST, fk_dataowner ASC NULLS LAST);
CREATE UNIQUE INDEX in_od_catchment_area_totals_identifier ON tww_od.catchment_area_totals USING btree (identifier ASC NULLS LAST, fk_dataowner ASC NULLS LAST);
CREATE UNIQUE INDEX in_od_building_group_identifier ON tww_od.building_group USING btree (identifier ASC NULLS LAST, fk_dataowner ASC NULLS LAST);

-- For m:n relation tables to avoid duplicate entries
CREATE UNIQUE INDEX in_re_maintenance_event_wastewater_structure_fks ON tww_od.re_maintenance_event_wastewater_structure USING btree (fk_maintenance_event ASC NULLS LAST, fk_wastewater_structure ASC NULLS LAST);

CREATE UNIQUE INDEX in_re_building_group_disposal_fks ON tww_od.re_building_group_disposal USING btree (fk_building_group ASC NULLS LAST, fk_disposal ASC NULLS LAST);