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_sort and _sort_desc parameters for table views

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Allows for paginated sorted results based on a specified column.

Refs #189
This commit is contained in:
Simon Willison 2018-04-08 17:06:10 -07:00
commit 3704db669f
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5 changed files with 146 additions and 24 deletions
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37
tests/fixtures.py
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@ -1,6 +1,7 @@
from datasette.app import Datasette
import itertools
import os
import random
import sqlite3
import sys
import string
@ -34,6 +35,25 @@ def generate_compound_rows(num):
yield a, b, c, '{}-{}-{}'.format(a, b, c)
def generate_sortable_rows(num):
rand = random.Random(42)
for a, b in itertools.islice(
itertools.product(string.ascii_lowercase, repeat=2), num
):
yield {
'pk1': a,
'pk2': b,
'content': '{}-{}'.format(a, b),
'sortable': rand.randint(-100, 100),
'sortable_with_nulls': rand.choice([
None, rand.random(), rand.random()
]),
'sortable_with_nulls_2': rand.choice([
None, rand.random(), rand.random()
]),
}
METADATA = {
'title': 'Datasette Title',
'description': 'Datasette Description',
@ -70,7 +90,6 @@ CREATE TABLE compound_primary_key (
INSERT INTO compound_primary_key VALUES ('a', 'b', 'c');
CREATE TABLE compound_three_primary_keys (
pk1 varchar(30),
pk2 varchar(30),
@ -79,6 +98,15 @@ CREATE TABLE compound_three_primary_keys (
PRIMARY KEY (pk1, pk2, pk3)
);
CREATE TABLE sortable (
pk1 varchar(30),
pk2 varchar(30),
content text,
sortable integer,
sortable_with_nulls real,
sortable_with_nulls_2 real,
PRIMARY KEY (pk1, pk2)
);
CREATE TABLE no_primary_key (
content text,
@ -142,6 +170,13 @@ CREATE VIEW simple_view AS
'INSERT INTO compound_three_primary_keys VALUES ("{a}", "{b}", "{c}", "{content}");'.format(
a=a, b=b, c=c, content=content
) for a, b, c, content in generate_compound_rows(1001)
]) + '\n'.join([
'''INSERT INTO sortable VALUES (
"{pk1}", "{pk2}", "{content}", {sortable},
{sortable_with_nulls}, {sortable_with_nulls_2});
'''.format(
**row
).replace('None', 'null') for row in generate_sortable_rows(201)
])