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diff --git a/sqlite/README.txt b/sqlite/README.txt new file mode 100644 index 0000000..26f782a --- /dev/null +++ b/sqlite/README.txt @@ -0,0 +1,10 @@ + The query manager will properly initialize and upgrade the database schema +based on files in this folder. The initial schema should be in `schema.sql` and +upgrades should be in `upgrade-N.sql` where N is a number starting from 1. The +`upgrade-N.sql` file should take the database from version N to N + 1. + The only restriction to these files is that they can't have transaction +statements ("BEGIN", "ROLLBACK", "COMMIT") because the query manager will +already bundle them into a transaction that also sets `user_version`, and +and nested transactions aren't allowed. + The current database version can be retrieved with the "PRAGMA user_version" +query in the SQLite shell.
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