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doc: cli: mention SQLite primary key workaround (fix #2017)

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Simon Michael 2023-04-05 12:56:12 -10:00
parent 94e5aa3dfa
commit 78271d9204
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hledger/hledger.m4.md
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@ -607,7 +607,13 @@ Some notes about the various output formats:
- This is not yet much used; real-world feedback is welcome.
- SQL output is expected to work with sqlite, MySQL and PostgreSQL
- SQL output is expected to work at least with SQLite, MySQL and Postgres.
- For SQLite, it will be more useful if you modify the generated `id` field
to be a PRIMARY KEY. Eg:
```
$ hledger print -O sql | sed 's/id serial/id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL/g' | ...
```
- SQL output is structured with the expectations that statements will
be executed in the empty database. If you already have tables created