74 lines
2.4 KiB
PL/PgSQL
74 lines
2.4 KiB
PL/PgSQL
CREATE OR REPLACE FUNCTION boundary_class(featureclass VARCHAR) RETURNS VARCHAR
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AS $$
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BEGIN
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RETURN CASE
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WHEN featureclass ILIKE 'line of control%' THEN 'control'
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WHEN featureclass ILIKE 'disputed%' THEN 'dispute'
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WHEN featureclass ILIKE 'lease%' THEN 'lease'
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WHEN featureclass ILIKE 'overlay%' THEN 'overlay'
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ELSE 'boundary'
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END;
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END;
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$$ LANGUAGE plpgsql IMMUTABLE;
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CREATE OR REPLACE VIEW boundary_z0 AS (
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SELECT geom, 0 AS admin_level, scalerank,
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boundary_class(featurecla) AS class
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FROM ne_110m_admin_0_boundary_lines_land
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);
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CREATE OR REPLACE VIEW boundary_z1 AS (
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SELECT geom, 0 AS admin_level, scalerank,
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boundary_class(featurecla) AS class
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FROM ne_50m_admin_0_boundary_lines_land
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UNION ALL
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SELECT geom, 1 AS admin_level, scalerank,
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boundary_class(featurecla) AS class
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FROM ne_50m_admin_1_states_provinces_lines
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WHERE scalerank <= 2
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);
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CREATE OR REPLACE VIEW boundary_z3 AS (
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SELECT geom, 0 AS admin_level, scalerank,
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boundary_class(featurecla) AS class
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FROM ne_50m_admin_0_boundary_lines_land
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UNION ALL
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SELECT geom, 1 AS admin_level, scalerank,
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boundary_class(featurecla) AS class
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FROM ne_50m_admin_1_states_provinces_lines
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);
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CREATE OR REPLACE VIEW boundary_z4 AS (
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SELECT geom, 0 AS admin_level, scalerank,
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boundary_class(featurecla) AS class
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FROM ne_10m_admin_0_boundary_lines_land
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UNION ALL
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SELECT geom, 1 AS admin_level, scalerank,
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boundary_class(featurecla) AS class
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FROM ne_10m_admin_1_states_provinces_lines_shp
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WHERE scalerank <= 3 AND featurecla = 'Adm-1 boundary'
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);
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CREATE OR REPLACE VIEW boundary_z5 AS (
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SELECT geom, 0 AS admin_level, scalerank,
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boundary_class(featurecla) AS class
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FROM ne_10m_admin_0_boundary_lines_land
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UNION ALL
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SELECT geom, 1 AS admin_level, scalerank,
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boundary_class(featurecla) AS class
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FROM ne_10m_admin_1_states_provinces_lines_shp
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WHERE scalerank <= 7 AND featurecla = 'Adm-1 boundary'
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);
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CREATE OR REPLACE VIEW boundary_z7 AS (
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SELECT geom, 0 AS admin_level, scalerank,
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boundary_class(featurecla) AS class
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FROM ne_10m_admin_0_boundary_lines_land
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UNION ALL
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SELECT geom, 1 AS admin_level, scalerank,
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boundary_class(featurecla) AS class
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FROM ne_10m_admin_1_states_provinces_lines_shp
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WHERE featurecla = 'Adm-1 boundary'
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);
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