I've added debug prints to cube extension. g_custom_cube_a_f8 and
g_custom_cube_picksplit are the only called methods.
After that it prints:
ERROR: failed to add item to index page in "lc_idx"
Cube extension modifications:
#define MAX_DIM (512)
Python test source code has been attached to the letter.
P.S.
sorry for the previous letter, didn't configure plain text composition
import psycopg2
import logging
import numpy
import unittest
import python.utils.logging
import python.custom_db.backends
import python.custom_db.backends.postgresql
class TestPostgresql(unittest.TestCase):
def test_gist(self):
b = python.custom_db.backends.postgresql.Postgresql(
databases=dict(
test=dict(
minconn=1,
maxconn=1
)
)
)
b.connect()
try:
c = b.get_connection(use='test')
c2 = c[0]
with c2.cursor() as cur:
cur.execute(r'''
drop table if exists test;
create table test(image_id integer primary key, latent_code custom_cube);
create index lc_idx on test using gist(latent_code);
''')
c2.commit()
with self.assertRaises(psycopg2.errors.InternalError_):
for k in range(10):
logging.info('test_postgresql.test_gist, k = %d' % k)
cur.execute(
r'''
insert into test (image_id, latent_code)
values (%s, custom_cube(%s))
''',
[
k,
[float(x) for x in numpy.random.uniform(0, 1, 512)],
]
)
c2.commit()
finally:
b.put_connection(c2, 'test')
