Command-line tool to simplify some common maintenance tasks on PostgreSQL databases
Project description
PGtool is a command-line tool designed to simplify some common maintenance tasks on PostgreSQL databases. It works with Python 2.7 and 3.3+ using the psycopg2 driver.
Available commands:
- cp SOURCE DEST
Uses CREATE DATABASE … TEMPLATE to create a duplicate of a database. Additionally copies over database-specific settings.
When used with –force, an existing database with the same name as DEST is replaced, the original is renamed out of place in the form DEST_old_YYYYMMDD (unless –no-backup is specified).
- mv SOURCE DEST
Rename a database within a server.
When used with –force, an existing database with the same name as DEST is replaced, the original is renamed out of place in the form DEST_old_YYYYMMDD (unless –no-backup is specified).
- kill DBNAME [DBNAME …]
Kills all active connections to the specified database(s).
- reindex IDXNAME [IDXNAME …]
Uses CREATE INDEX CONCURRENTLY to create a duplicate index, then tries to swap the new index for the original.
The index swap is done using a short lock timeout to prevent it from interfering with running queries. Retries until the rename succeeds.
Resources
Changelog
0.0.1 (2015-10-26)
Initial public release, commands: ‘cp’, ‘mv’, ‘kill’ & ‘reindex’
Contributing
Code style:
In general follow the Python PEP-8 coding style, except line length can go up to 120 chars.
Strings that have meaning for humans use double quotes ("), otherwise single quotes ('). When in doubt, don’t worry about it.
Code should be compatible with both Python 2 and 3, preferably without version-specific conditionals.
Run the test suite using python setup.py test.
Submit your changes as pull requests on GitHub.
License
Copyright 2015 Voicecom, Marti Raudsepp & contributors
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
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.
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