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201 lines
7.2 KiB
MySQL
201 lines
7.2 KiB
MySQL
--
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-- From examples in chapter 1.12.1 of
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-- "Spatial Topology and Network Data Models" (Oracle manual)
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--
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-- Modified to use postgis-based topology model.
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-- Loads the whole topology represented in Figure 1-1 of the
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-- manual
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--
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--ORA---------------------------------------------------------------------
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--ORA---- Main steps for using the topology data model with a topology
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--ORA---- built from edge, node, and face data
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--ORA---------------------------------------------------------------------
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--ORA---- 1. Create a topology.
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--ORA---- 2. Load (normally bulk-load) topology data
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--ORA---- (node, edge, and face tables).
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BEGIN;
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-- 1. Create the topology.
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--
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-- NOTE:
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-- Returns topology id... which depend on how many
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-- topologies where created in the regress database
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-- so we just check it's a number greater than 0
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--
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SELECT topology.CreateTopology('city_data', @SRID@) > 0;
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-- 2. Load topology data (node, edge, and face tables).
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-- Use INSERT statements here instead of a bulk-load utility.
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-- 2A. Insert data into <topology_name>.FACE table.
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INSERT INTO city_data.face(face_id) VALUES(1); -- F1
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INSERT INTO city_data.face(face_id) VALUES(2); -- F2
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INSERT INTO city_data.face(face_id) VALUES(3); -- F3
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INSERT INTO city_data.face(face_id) VALUES(4); -- F4
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INSERT INTO city_data.face(face_id) VALUES(5); -- F5
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INSERT INTO city_data.face(face_id) VALUES(6); -- F6
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INSERT INTO city_data.face(face_id) VALUES(7); -- F7
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INSERT INTO city_data.face(face_id) VALUES(8); -- F8
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INSERT INTO city_data.face(face_id) VALUES(9); -- F9
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-- UPDATE Face id sequence
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SELECT setval('city_data.face_face_id_seq', 9);
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-- 2B. Insert data into <topology_name>.NODE table.
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-- N1
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INSERT INTO city_data.node(node_id, geom, containing_face)
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VALUES(1, 'SRID=@SRID@;POINT(8 30)', NULL);
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-- N2
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INSERT INTO city_data.node(node_id, geom, containing_face)
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VALUES(2, 'SRID=@SRID@;POINT(25 30)', NULL);
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-- N3
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INSERT INTO city_data.node(node_id, geom, containing_face)
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VALUES(3, 'SRID=@SRID@;POINT(25 35)', NULL);
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-- N4
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INSERT INTO city_data.node(node_id, geom, containing_face)
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VALUES(4, 'SRID=@SRID@;POINT(20 37)', 2);
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-- N5
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INSERT INTO city_data.node(node_id, geom, containing_face)
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VALUES(5, 'SRID=@SRID@;POINT(36 38)', NULL);
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-- N6
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INSERT INTO city_data.node(node_id, geom, containing_face)
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VALUES(6, 'SRID=@SRID@;POINT(57 33)', NULL);
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-- N7
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INSERT INTO city_data.node(node_id, geom, containing_face)
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VALUES(7, 'SRID=@SRID@;POINT(41 40)', NULL);
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-- N8
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INSERT INTO city_data.node(node_id, geom, containing_face)
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VALUES(8, 'SRID=@SRID@;POINT(9 6)', NULL);
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-- N9
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INSERT INTO city_data.node(node_id, geom, containing_face)
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VALUES(9, 'SRID=@SRID@;POINT(21 6)', NULL);
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-- N10
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INSERT INTO city_data.node(node_id, geom, containing_face)
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VALUES(10, 'SRID=@SRID@;POINT(35 6)', NULL);
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-- N11
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INSERT INTO city_data.node(node_id, geom, containing_face)
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VALUES(11, 'SRID=@SRID@;POINT(47 6)', NULL);
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-- N12
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INSERT INTO city_data.node(node_id, geom, containing_face)
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VALUES(12, 'SRID=@SRID@;POINT(47 14)', NULL);
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-- N13
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INSERT INTO city_data.node(node_id, geom, containing_face)
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VALUES(13, 'SRID=@SRID@;POINT(35 14)', NULL);
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-- N14
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INSERT INTO city_data.node(node_id, geom, containing_face)
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VALUES(14, 'SRID=@SRID@;POINT(21 14)', NULL);
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-- N15
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INSERT INTO city_data.node(node_id, geom, containing_face)
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VALUES(15, 'SRID=@SRID@;POINT(9 14)', NULL);
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-- N16
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INSERT INTO city_data.node(node_id, geom, containing_face)
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VALUES(16, 'SRID=@SRID@;POINT(9 22)', NULL);
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-- N17
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INSERT INTO city_data.node(node_id, geom, containing_face)
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VALUES(17, 'SRID=@SRID@;POINT(21 22)', NULL);
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-- N18
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INSERT INTO city_data.node(node_id, geom, containing_face)
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VALUES(18, 'SRID=@SRID@;POINT(35 22)', NULL);
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-- N19
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INSERT INTO city_data.node(node_id, geom, containing_face)
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VALUES(19, 'SRID=@SRID@;POINT(47 22)', NULL);
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-- N20
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INSERT INTO city_data.node(node_id, geom, containing_face)
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VALUES(20, 'SRID=@SRID@;POINT(4 31)', NULL);
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-- N21
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INSERT INTO city_data.node(node_id, geom, containing_face)
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VALUES(21, 'SRID=@SRID@;POINT(9 35)', NULL);
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-- N22
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INSERT INTO city_data.node(node_id, geom, containing_face)
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VALUES(22, 'SRID=@SRID@;POINT(13 35)', NULL);
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-- UPDATE Node id sequence
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SELECT setval('city_data.node_node_id_seq', 22);
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-- 2C. Insert data into <topology_name>.EDGE table.
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-- E1
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INSERT INTO city_data.edge VALUES(1, 1, 1, 1, -1, 1, 0,
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'SRID=@SRID@;LINESTRING(8 30, 16 30, 16 38, 3 38, 3 30, 8 30)');
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-- E2
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INSERT INTO city_data.edge VALUES(2, 2, 2, 3, -2, 2, 0,
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'SRID=@SRID@;LINESTRING(25 30, 31 30, 31 40, 17 40, 17 30, 25 30)');
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-- E3
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INSERT INTO city_data.edge VALUES(3, 2, 3, -3, 2, 2, 2,
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'SRID=@SRID@;LINESTRING(25 30, 25 35)');
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-- E4
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INSERT INTO city_data.edge VALUES(4, 5, 6, -5, 4, 0, 0,
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'SRID=@SRID@;LINESTRING(36 38, 38 35, 41 34, 42 33, 45 32, 47 28, 50 28, 52 32, 57 33)');
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-- E5
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INSERT INTO city_data.edge VALUES(5, 7, 6, -4, 5, 0, 0,
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'SRID=@SRID@;LINESTRING(41 40, 45 40, 47 42, 62 41, 61 38, 59 39, 57 36, 57 33)');
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-- E6
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INSERT INTO city_data.edge VALUES(6, 16, 17, 7, -21, 0, 3,
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'SRID=@SRID@;LINESTRING(9 22, 21 22)');
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-- E7
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INSERT INTO city_data.edge VALUES(7, 17, 18, 8, -19, 0, 4,
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'SRID=@SRID@;LINESTRING(21 22, 35 22)');
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-- E8
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INSERT INTO city_data.edge VALUES(8, 18, 19, -15, -17, 0, 5,
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'SRID=@SRID@;LINESTRING(35 22, 47 22)');
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-- E9
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INSERT INTO city_data.edge VALUES(9, 15, 14, 19, -22, 3, 6,
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'SRID=@SRID@;LINESTRING(9 14, 21 14)');
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-- E10
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INSERT INTO city_data.edge VALUES(10, 13, 14, -20, 17, 7, 4,
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'SRID=@SRID@;LINESTRING(35 14, 21 14)');
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-- E11
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INSERT INTO city_data.edge VALUES(11, 13, 12, 15, -18, 5, 8,
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'SRID=@SRID@;LINESTRING(35 14, 47 14)');
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-- E12
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INSERT INTO city_data.edge VALUES(12, 8, 9, 20, 22, 6, 0,
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'SRID=@SRID@;LINESTRING(9 6, 21 6)');
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-- E13
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INSERT INTO city_data.edge VALUES(13, 9, 10, 18, -12, 7, 0,
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'SRID=@SRID@;LINESTRING(21 6, 35 6)');
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-- E14
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INSERT INTO city_data.edge VALUES(14, 10, 11, 16, -13, 8, 0,
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'SRID=@SRID@;LINESTRING(35 6, 47 6)');
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-- E15
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INSERT INTO city_data.edge VALUES(15, 12, 19, -8, -16, 5, 0,
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'SRID=@SRID@;LINESTRING(47 14, 47 22)');
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-- E16
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INSERT INTO city_data.edge VALUES(16, 11, 12, -11, -14, 8, 0,
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'SRID=@SRID@;LINESTRING(47 6, 47 14)');
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-- E17
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INSERT INTO city_data.edge VALUES(17, 13, 18, -7, 11, 4, 5,
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'SRID=@SRID@;LINESTRING(35 14, 35 22)');
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-- E18
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INSERT INTO city_data.edge VALUES(18, 10, 13, 10, 14, 7, 8,
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'SRID=@SRID@;LINESTRING(35 6, 35 14)');
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-- E19
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INSERT INTO city_data.edge VALUES(19, 14, 17, -6, -10, 3, 4,
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'SRID=@SRID@;LINESTRING(21 14, 21 22)');
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-- E20
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INSERT INTO city_data.edge VALUES(20, 9, 14, -9, 13, 6, 7,
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'SRID=@SRID@;LINESTRING(21 6, 21 14)');
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-- E21
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INSERT INTO city_data.edge VALUES(21, 15, 16, 6, 9, 0, 3,
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'SRID=@SRID@;LINESTRING(9 14, 9 22)');
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-- E22
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INSERT INTO city_data.edge VALUES(22, 8, 15, 21, 12, 0, 6,
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'SRID=@SRID@;LINESTRING(9 6, 9 14)');
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-- E25
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INSERT INTO city_data.edge VALUES(25, 21, 22, -25, 25, 1, 1,
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'SRID=@SRID@;LINESTRING(9 35, 13 35)');
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-- E26
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INSERT INTO city_data.edge VALUES(26, 20, 20, 26, -26, 9, 1,
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'SRID=@SRID@;LINESTRING(4 31, 7 31, 7 34, 4 34, 4 31)');
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-- UPDATE Edge id sequence
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SELECT setval('city_data.edge_data_edge_id_seq', 26);
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-- Set face minimum bounding rectangle
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UPDATE city_data.face set mbr = ST_SetSRID( ( select st_extent(geom) from city_data.edge where left_face = face_id or right_face = face_id ), @SRID@ ) where face_id != 0;
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END;
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