31 lines
1.3 KiB
SQL
31 lines
1.3 KiB
SQL
--Landuse is hierachical. Highest level is Order (ie. Residential) then Group (ie Residential-Dwelling) then Class (ie Residential-Dwelling-Detached house)
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--Interface will collected most detailed (class) but visualise highest level (order)
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--Landuse is a table as #358
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--Land use class, group and order will be stored in a new table
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DROP TABLE IF EXISTS reference_tables.buildings_landuse_order CASCADE;
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DROP TABLE IF EXISTS reference_tables.buildings_landuse_group CASCADE;
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DROP TABLE IF EXISTS reference_tables.buildings_landuse_class CASCADE;
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-- Land use class or classes, array object, client constrained.
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ALTER TABLE buildings DROP COLUMN IF EXISTS current_landuse_class;
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ALTER TABLE buildings DROP COLUMN IF EXISTS current_landuse_group;
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-- Land use order, singular. Client and db constrained.
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ALTER TABLE buildings DROP COLUMN IF EXISTS current_landuse_order;
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--===========================================
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--
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-- We also collect original landuse, structure & process is as current land use
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-- We don't currently collect intermediate historic uses
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--
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--===========================================
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-- Original Land use class or classes, array object, client constrained.
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ALTER TABLE buildings DROP COLUMN IF EXISTS original_landuse_class;
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-- Land use order, singular. Client and db constrained.
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ALTER TABLE buildings DROP COLUMN IF EXISTS original_landuse_order;
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