1
0
mirror of https://github.com/postgrespro/pg_probackup.git synced 2025-01-09 14:45:47 +02:00
pg_probackup/tests/ptrack_move_to_tablespace.py
2017-05-17 12:46:38 +03:00

60 lines
2.3 KiB
Python

import unittest
from sys import exit
from testgres import get_new_node, stop_all
import os
from signal import SIGTERM
from .ptrack_helpers import ProbackupTest, idx_ptrack
from time import sleep
class SimpleTest(ProbackupTest, unittest.TestCase):
def __init__(self, *args, **kwargs):
super(SimpleTest, self).__init__(*args, **kwargs)
def teardown(self):
# clean_all()
stop_all()
def test_ptrack_recovery(self):
fname = self.id().split(".")[3]
node = self.make_simple_node(base_dir="tmp_dirs/ptrack/{0}".format(fname),
set_replication=True,
initdb_params=['--data-checksums', '-A trust'],
pg_options={'ptrack_enable': 'on', 'wal_level': 'replica', 'max_wal_senders': '2'})
node.start()
self.create_tblspace_in_node(node, 'somedata')
# Create table and indexes
node.psql("postgres",
"create table t_heap as select i as id, md5(i::text) as text,md5(repeat(i::text,10))::tsvector as tsvector from generate_series(0,256) i")
for i in idx_ptrack:
if idx_ptrack[i]['type'] != 'heap':
node.psql("postgres", "create index {0} on {1} using {2}({3})".format(
i, idx_ptrack[i]['relation'], idx_ptrack[i]['type'], idx_ptrack[i]['column']))
# Move table and indexes and make checkpoint
for i in idx_ptrack:
if idx_ptrack[i]['type'] == 'heap':
node.psql('postgres', 'alter table {0} set tablespace somedata;'.format(i))
continue
node.psql('postgres', 'alter index {0} set tablespace somedata'.format(i))
node.psql('postgres', 'checkpoint')
for i in idx_ptrack:
# get size of heap and indexes. size calculated in pages
idx_ptrack[i]['size'] = self.get_fork_size(node, i)
# get path to heap and index files
idx_ptrack[i]['path'] = self.get_fork_path(node, i)
# get ptrack for every idx
idx_ptrack[i]['ptrack'] = self.get_ptrack_bits_per_page_for_fork(
idx_ptrack[i]['path'], idx_ptrack[i]['size'])
# check that ptrack has correct bits after recovery
self.check_ptrack_recovery(idx_ptrack[i])
self.clean_pb(node)
node.stop()
if __name__ == '__main__':
unittest.main()