Practice 3 using the provided json as-is

2 years ago · b4b82b0f74
2 changed files with 68 additions and 0 deletions
--- a/docs/practices.md
+++ b/docs/practices.md
@ -79,3 +79,38 @@ FROM japan_segments
 ```
 ![Kagoshima segments](./img/kagoshima_segments.png)
 ```sql
 SELECT id FROM japan_segments
 WHERE ST_Within(
    bounds,
    ST_SetSRID(ST_GeomFromGeoJSON('{
        "type": "Polygon",
        "coordinates": [
            [
                [
                    130.27313232421875,
                    30.519681272749402
                ],
                [
                    131.02020263671875,
                    30.519681272749402
                ],
                [
                    131.02020263671875,
                    30.80909017893796
                ],
                [
                    130.27313232421875,
                    30.80909017893796
                ],
                [
                    130.27313232421875,
                    30.519681272749402
                ]
            ]
        ]
    }'), 4326)
 );
 ```
--- a/test/test_example.py
+++ b/test/test_example.py
@ -169,7 +169,40 @@ class TestExample(DbTest):
            os.path.join(PATH_TO_SQL_DIR, "japan_segments.sql")
        )
        # Taking this task very literally and using the GeoJSON
        # directly with PostGIS `ST_GeomFromGeoJSON`
        sql = """
        SELECT id FROM japan_segments
        WHERE ST_Within(
            bounds,
            ST_SetSRID(ST_GeomFromGeoJSON('{
                "type": "Polygon",
                "coordinates": [
                    [
                        [
                            130.27313232421875,
                            30.519681272749402
                        ],
                        [
                            131.02020263671875,
                            30.519681272749402
                        ],
                        [
                            131.02020263671875,
                            30.80909017893796
                        ],
                        [
                            130.27313232421875,
                            30.80909017893796
                        ],
                        [
                            130.27313232421875,
                            30.519681272749402
                        ]
                    ]
                ]
            }'), 4326)
        );
        """
        with conn.cursor(cursor_factory=RealDictCursor) as cur:
            cur.execute(sql)