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misc: Add SQL practices

master
rkaneko 5 years ago
parent
b401fe6714
commit
1ed6ba9c56
6 changed files with 250 additions and 8 deletions
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  1. 5
      docker-compose.yml
  2. BIN
      docs/img/kagoshima_segments.png
  3. 61
      docs/practices.md
  4. 49
      sql/japan_segments.sql
  5. 5
      sql/schema.sql
  6. 136
      test/test_example.py

5
docker-compose.yml
View File

@ -27,9 +27,12 @@ services:
restart: "always"
env_file:
- "env/test/.env"
ports:
- "5432"
dbtest:
<<: *pipenv
command: ["bash", "-c", "pipenv install --dev --deploy --system && pytest -s"]
command: ["bash", "-c", "pipenv install --dev --deploy --system && pytest -s -vvv"]
depends_on:
- testdb

BIN
docs/img/kagoshima_segments.png
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Width: 1185  |  Height: 945  |  Size: 222 KiB

61
docs/practices.md
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@ -0,0 +1,61 @@
SQL practices
===
### ToC
- [Practice 1](#practice-1)
- [Practice 2](#practice-2)
- [Practice 3](#practice-3)
# Practice 1
- Count the number of subordinate 'ENTERPRISE\_CUSTOMER' organizations for each organization.
# Practice 2
- Calculate the center of each `japan_segment`.
# Practice 3
- Select `japan_segments` within the bounds represented as the following GeoJSON.
```json
{
"type": "FeatureCollection",
"features": [
{
"type": "Feature",
"properties": {},
"geometry": {
"type": "Polygon",
"coordinates": [
[
[
130.27313232421875,
30.519681272749402
],
[
131.02020263671875,
30.519681272749402
],
[
131.02020263671875,
30.80909017893796
],
[
130.27313232421875,
30.80909017893796
],
[
130.27313232421875,
30.519681272749402
]
]
]
}
}
]
}
```
![Kagoshima segments](./img/kagoshima_segments.png)

49
sql/japan_segments.sql
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@ -0,0 +1,49 @@
begin;
INSERT INTO japan_segments (
id,
bounds
) VALUES
(
'KAGOSHIMA_1'
, ST_GeomFromEWKT('SRID=4326;POLYGON((130.616250541204 30.6818181818182,130.616250541204 30.7272727272727,130.668206090345 30.7272727272727,130.668206090345 30.6818181818182,130.616250541204 30.6818181818182))')
)
,(
'KAGOSHIMA_2'
, ST_GeomFromEWKT('SRID=4326;POLYGON((130.668206090345 30.6818181818182,130.668206090345 30.7272727272727,130.720161639486 30.7272727272727,130.720161639486 30.6818181818182,130.668206090345 30.6818181818182))')
)
,(
'KAGOSHIMA_3'
, ST_GeomFromEWKT('SRID=4326;POLYGON((130.720161639486 30.6818181818182,130.720161639486 30.7272727272727,130.772117188628 30.7272727272727,130.772117188628 30.6818181818182,130.720161639486 30.6818181818182))')
)
,(
'KAGOSHIMA_4'
, ST_GeomFromEWKT('SRID=4326;POLYGON((129.68105065666 30.7272727272727,129.68105065666 30.7727272727273,129.733006205802 30.7727272727273,129.733006205802 30.7272727272727,129.68105065666 30.7272727272727))')
)
,(
'KAGOSHIMA_5'
, ST_GeomFromEWKT('SRID=4326;POLYGON((129.733006205802 30.7272727272727,129.733006205802 30.7727272727273,129.784961754943 30.7727272727273,129.784961754943 30.7272727272727,129.733006205802 30.7272727272727))')
)
,(
'KAGOSHIMA_6'
, ST_GeomFromEWKT('SRID=4326;POLYGON((129.784961754943 30.7272727272727,129.784961754943 30.7727272727273,129.836917304084 30.7727272727273,129.836917304084 30.7272727272727,129.784961754943 30.7272727272727))')
)
,(
'KAGOSHIMA_7'
, ST_GeomFromEWKT('SRID=4326;POLYGON((129.836917304084 30.7272727272727,129.836917304084 30.7727272727273,129.888872853226 30.7727272727273,129.888872853226 30.7272727272727,129.836917304084 30.7272727272727))')
)
,(
'KAGOSHIMA_8'
, ST_GeomFromEWKT('SRID=4326;POLYGON((129.888872853226 30.7272727272727,129.888872853226 30.7727272727273,129.940828402367 30.7727272727273,129.940828402367 30.7272727272727,129.888872853226 30.7272727272727))')
)
,(
'KAGOSHIMA_9'
, ST_GeomFromEWKT('SRID=4326;POLYGON((129.940828402367 30.7272727272727,129.940828402367 30.7727272727273,129.992783951508 30.7727272727273,129.992783951508 30.7272727272727,129.940828402367 30.7272727272727))')
)
,(
'KAGOSHIMA_10'
, ST_GeomFromEWKT('SRID=4326;POLYGON((129.992783951508 30.7272727272727,129.992783951508 30.7727272727273,130.044739500649 30.7727272727273,130.044739500649 30.7272727272727,129.992783951508 30.7272727272727))')
)
;
commit;

5
sql/schema.sql
View File

@ -32,3 +32,8 @@ CREATE TABLE enterprise_sales_enterprise_customers (
customer_organization_id
)
);
CREATE TABLE japan_segments (
"id" character varying(24) PRIMARY KEY NOT NULL,
"bounds" geometry(Polygon,4326) NOT NULL
);

136
test/test_example.py
View File

@ -4,7 +4,10 @@ from .dbtest import (
)
import os
from psycopg2.extras import RealDictCursor
from psycopg2.extras import (
RealDictCursor,
RealDictRow
)
PATH_TO_SQL_DIR = os.path.abspath(
@ -32,19 +35,140 @@ class TestExample(DbTest):
assert len(organizations) == 7
@dbconnect
def test_select_addresses(self, conn):
def test_count_the_number_of_subordinates(self, conn):
self.load_fixtures(
conn,
os.path.join(PATH_TO_SQL_DIR, "organizations.sql")
)
sql = """
SELECT * FROM addresses;
"""
with conn.cursor(cursor_factory=RealDictCursor) as cur:
cur.execute(sql)
addresses = cur.fetchall()
actual = cur.fetchall()
print(actual)
assert len(actual) == 7
assert actual == [
RealDictRow(**{
"subordinates_count": 0,
"id": 1,
})
, RealDictRow(**{
"subordinates_count": 4,
"id": 2,
})
, RealDictRow(**{
"subordinates_count": 0,
"id": 3,
})
, RealDictRow(**{
"subordinates_count": 0,
"id": 4,
})
, RealDictRow(**{
"subordinates_count": 0,
"id": 5,
})
, RealDictRow(**{
"subordinates_count": 1,
"id": 6,
})
, RealDictRow(**{
"subordinates_count": 0,
"id": 7,
})
]
assert len(addresses) == 7
@dbconnect
def test_calculate_center_of_each_segment(self, conn):
self.load_fixtures(
conn,
os.path.join(PATH_TO_SQL_DIR, "japan_segments.sql")
)
sql = """
"""
with conn.cursor(cursor_factory=RealDictCursor) as cur:
cur.execute(sql)
actual = cur.fetchall()
print(actual)
assert len(actual) == 10
assert actual == [
RealDictRow(**{
"id": "KAGOSHIMA_1",
"longitude": 130.642228315775,
"latitude": 30.7045454545455,
})
, RealDictRow(**{
"id": "KAGOSHIMA_2",
"longitude": 130.694183864916,
"latitude": 30.7045454545455,
})
, RealDictRow(**{
"id": "KAGOSHIMA_3",
"longitude": 130.746139414057,
"latitude": 30.7045454545455,
})
, RealDictRow(**{
"id": "KAGOSHIMA_4",
"longitude": 129.707028431231,
"latitude": 30.75,
})
, RealDictRow(**{
"id": "KAGOSHIMA_5",
"longitude": 129.758983980373,
"latitude": 30.75,
})
, RealDictRow(**{
"id": "KAGOSHIMA_6",
"longitude": 129.810939529514,
"latitude": 30.75,
})
, RealDictRow(**{
"id": "KAGOSHIMA_7",
"longitude": 129.862895078655,
"latitude": 30.75,
})
, RealDictRow(**{
"id": "KAGOSHIMA_8",
"longitude": 129.914850627797,
"latitude": 30.75,
})
, RealDictRow(**{
"id": "KAGOSHIMA_9",
"longitude": 129.966806176937,
"latitude": 30.75,
})
, RealDictRow(**{
"id": "KAGOSHIMA_10",
"longitude": 130.018761726079,
"latitude": 30.75,
})
]
@dbconnect
def test_segments_using_geojson_boundary(self, conn):
self.load_fixtures(
conn,
os.path.join(PATH_TO_SQL_DIR, "japan_segments.sql")
)
sql = """
"""
with conn.cursor(cursor_factory=RealDictCursor) as cur:
cur.execute(sql)
actual = cur.fetchall()
print(actual)
assert len(actual) == 3
assert actual == [
RealDictRow(**{
"id": "KAGOSHIMA_1",
})
, RealDictRow(**{
"id": "KAGOSHIMA_2",
})
, RealDictRow(**{
"id": "KAGOSHIMA_3",
})
]
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