Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
552 views
in Technique[技术] by (71.8m points)

sed - How to restore a single table from a .sql postgresql backup?

A table's rows were mistakenly deleted from the database. We have a db backup which results in a sql file that can restored like so:

psql -h localhost -d proddump -f /Users/U/Desktop/prod_db_backup/PostgreSQL/site_prod.sql

This ends up doing a full restore locally. But what we need is to restore a single table's rows to production. Any tips on how to make this work with PostgreSQL 9.1?

Thanks

See Question&Answers more detail:os

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Answer

0 votes
by (71.8m points)

I'm not aware of any tool for this, but this one-liner extracts precious_table from my_backup.sql file:

sed -n '/^COPY precious_table /,/^\.$/p' my_backup.sql

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

2.1m questions

2.1m answers

60 comments

56.8k users

...