SQLite Forum

Anton Dyachenko
If the migration involves `PRAGMA writable_schema=ON`, you'd better discard the connection in which you did that and open a new one.

Richard Hipp has suggested several ways to refresh the cached schema:

From: <https://sqlite.org/forum/forumpost/29bad1c5c1>

> There are many ways to force a check of the schema to see if it needs to be reread.  Here is one:
> `PRAGMA user_version;`

From: <https://sqlite.org/forum/forumpost/8067ae2895>

> OK, so it looks like you have to actually do something that needs to use the schema before the schema is checked.  Something like this will suffice:
> ` SELECT 1 FROM sqlite_master LIMIT 1;`