CREATE SCHEMA IF NOT EXISTS dummy AUTHORIZATION postgres; CREATE EXTENSION IF NOT EXISTS postgis WITH SCHEMA dummy; -- table with multiple geometry columns CREATE TABLE IF NOT EXISTS dummy.buildings( gid serial PRIMARY KEY, centroid geometry(POINT, 25833), contours geometry(POLYGON, 25833) ); INSERT INTO dummy.buildings(centroid, contours) VALUES (ST_GeomFromText('POINT (473449 7463146)', 25833), ST_GeomFromText('POLYGON ((473447.9967755177 7463140.685534775, 473453.51980463834 7463143.029921546, 473450.0032244818 7463151.314465227, 473444.4801953612 7463148.970078456, 473447.9967755177 7463140.685534775))', 25833)), (ST_GeomFromText('POINT (473458 7463104)', 25833), ST_GeomFromText('POLYGON ((473460.9359104787 7463106.762323238, 473457.1106914547 7463107.931810057, 473455.06408952177 7463101.237676765, 473458.88930854574 7463100.068189946, 473460.9359104787 7463106.762323238))', 25833)), (ST_GeomFromText('POINT (473446 7463144)', 25833), ST_GeomFromText('POLYGON ((473446.09474694915 7463138.853056925, 473450.31999101397 7463146.79958526, 473445.9052530499 7463149.146943075, 473441.6800089851 7463141.20041474, 473446.09474694915 7463138.853056925))', 25833)), (ST_GeomFromText('POINT (473449 7463142)', 25833), ST_GeomFromText('POLYGON ((473452.3381955018 7463138.820935548, 473452.65221123956 7463144.812712757, 473445.6618044963 7463145.179064451, 473445.3477887586 7463139.187287242, 473452.3381955018 7463138.820935548))', 25833)), (ST_GeomFromText('POINT (473443 7463137)', 25833), ST_GeomFromText('POLYGON ((473447.7083111685 7463135.5571535295, 473440.9159249468 7463141.46168479, 473438.2916888306 7463138.44284647, 473445.0840750523 7463132.538315209, 473447.7083111685 7463135.5571535295))', 25833)), (ST_GeomFromText('POINT (473433 7463125)', 25833), ST_GeomFromText('POLYGON ((473432.73905580025 7463120.082489641, 473436.8249702975 7463128.10154836, 473433.2609442007 7463129.917510359, 473429.1750297034 7463121.898451641, 473432.73905580025 7463120.082489641))', 25833)), (ST_GeomFromText('POINT (473451 7463140)', 25833), ST_GeomFromText('POLYGON ((473454.99435667787 7463139.456755368, 473453.4959303038 7463143.165490787, 473447.00564332213 7463140.543244633, 473448.5040696962 7463136.834509214, 473454.99435667787 7463139.456755368))', 25833)), (ST_GeomFromText('POINT (473438 7463144)', 25833), ST_GeomFromText('POLYGON ((473438.99554283824 7463137.7143898895, 473444.28561010957 7463144.995542839, 473437.00445716083 7463150.28561011, 473431.7143898895 7463143.00445716, 473438.99554283824 7463137.7143898895))', 25833)), (ST_GeomFromText('POINT (473474 7463101)', 25833), ST_GeomFromText('POLYGON ((473474.83006438427 7463097.491297516, 473477.55805782415 7463100.416712323, 473473.1699356148 7463104.508702483, 473470.441942174 7463101.583287676, 473474.83006438427 7463097.491297516))', 25833)), -- gid 10 (NULL, ST_GeomFromText('POLYGON ((473464.1495667333 7463116.574655892, 473461.1307284124 7463119.1988920085, 473457.85043326765 7463115.425344108, 473460.8692715885 7463112.8011079915, 473464.1495667333 7463116.574655892))', 25833)), -- gid 11 (ST_GeomFromText('POINT (473461 7463116)', 25833), NULL), -- gid 12 (NULL, NULL); /* Two tables which create a naming conflict The name of relationship or referred table is the same as the name of an existing column. Example adapted from https://docs-sqlalchemy.readthedocs.io/ko/latest/orm/extensions/automap.html#handling-simple-naming-conflicts */ CREATE TABLE IF NOT EXISTS dummy.referred_table( id INTEGER PRIMARY KEY ); CREATE TABLE IF NOT EXISTS dummy.naming_conflicts_table( id INTEGER PRIMARY KEY, point_geom geometry(POINT, 4326), referred_table INTEGER, FOREIGN KEY(referred_table) REFERENCES dummy.referred_table(id) );