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# Copyright 2016 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Change the last_token to last_stream_ordering now that pushers no longer
# listen on an event stream but instead select out of the event_push_actions
# table.
import logging
logger = logging.getLogger(__name__)
def token_to_stream_ordering(token):
return int(token[1:].split("_")[0])
def run_create(cur, database_engine, *args, **kwargs):
logger.info("Porting pushers table, delta 31...")
cur.execute(
"""
CREATE TABLE IF NOT EXISTS pushers2 (
id BIGINT PRIMARY KEY,
user_name TEXT NOT NULL,
access_token BIGINT DEFAULT NULL,
profile_tag VARCHAR(32) NOT NULL,
kind VARCHAR(8) NOT NULL,
app_id VARCHAR(64) NOT NULL,
app_display_name VARCHAR(64) NOT NULL,
device_display_name VARCHAR(128) NOT NULL,
pushkey TEXT NOT NULL,
ts BIGINT NOT NULL,
lang VARCHAR(8),
data TEXT,
last_stream_ordering INTEGER,
last_success BIGINT,
failing_since BIGINT,
UNIQUE (app_id, pushkey, user_name)
)
"""
)
cur.execute(
"""SELECT
id, user_name, access_token, profile_tag, kind,
app_id, app_display_name, device_display_name,
pushkey, ts, lang, data, last_token, last_success,
failing_since
FROM pushers
"""
)
count = 0
for row in cur.fetchall():
row = list(row)
row[12] = token_to_stream_ordering(row[12])
cur.execute(
database_engine.convert_param_style(
"""
INSERT into pushers2 (
id, user_name, access_token, profile_tag, kind,
app_id, app_display_name, device_display_name,
pushkey, ts, lang, data, last_stream_ordering, last_success,
failing_since
) values (%s)"""
% (",".join(["?" for _ in range(len(row))]))
),
row,
)
count += 1
cur.execute("DROP TABLE pushers")
cur.execute("ALTER TABLE pushers2 RENAME TO pushers")
logger.info("Moved %d pushers to new table", count)
def run_upgrade(cur, database_engine, *args, **kwargs):
pass
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