ketr.photos/server/db/MODIFY.md

Dump schema

cat << EOF | sqlite3 db/photos.db > photos.schema
.schema
EOF

Edit schema

nano photos.schema

Backup database

cp db/photos.db photos.db.bk

For the table you want to modify

Backup the table

cat << EOF | sqlite3 db/photos.db
.output faces.dump
.dump faces
.quit
EOF

Drop the table

cat << EOF | sqlite3 db/photos.db
drop table faces
EOF

Create the table with the modified schema

cat photos.schema | sqlite3 db/photos.db

Re-populate the table

cat faces.dump | sqlite3 db/photos.db