html_url,issue_url,id,node_id,user,created_at,updated_at,author_association,body,reactions,issue,performed_via_github_app
https://github.com/simonw/sqlite-utils/issues/585#issuecomment-1683217284,https://api.github.com/repos/simonw/sqlite-utils/issues/585,1683217284,IC_kwDOCGYnMM5kU9uE,9599,2023-08-18T01:50:21Z,2023-08-18T01:50:21Z,OWNER,"And a test of the `--sql` option:
```bash
sqlite-utils create-table /tmp/t.db places id integer name text country integer city integer continent integer --pk id
sqlite-utils create-table /tmp/t.db country id integer name text
sqlite-utils create-table /tmp/t.db city id integer name text
sqlite-utils create-table /tmp/t.db continent id integer name text
sqlite-utils transform /tmp/t.db places --add-foreign-key country country id --add-foreign-key continent continent id --sql
```
Outputs:
```sql
CREATE TABLE [places_new_6a705d2f5a13] (
   [id] INTEGER PRIMARY KEY,
   [name] TEXT,
   [country] INTEGER REFERENCES [country]([id]),
   [city] INTEGER,
   [continent] INTEGER REFERENCES [continent]([id])
);
INSERT INTO [places_new_6a705d2f5a13] ([id], [name], [country], [city], [continent])
   SELECT [id], [name], [country], [city], [continent] FROM [places];
DROP TABLE [places];
ALTER TABLE [places_new_6a705d2f5a13] RENAME TO [places];
```","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",1855894222,
https://github.com/simonw/sqlite-utils/issues/585#issuecomment-1683212074,https://api.github.com/repos/simonw/sqlite-utils/issues/585,1683212074,IC_kwDOCGYnMM5kU8cq,9599,2023-08-18T01:43:54Z,2023-08-18T01:43:54Z,OWNER,"Some manual testing:
```bash
sqlite-utils create-table /tmp/t.db places id integer name text country integer city integer continent integer --pk id
sqlite-utils schema /tmp/t.db
```
```sql
CREATE TABLE [places] (
   [id] INTEGER PRIMARY KEY,
   [name] TEXT,
   [country] INTEGER,
   [city] INTEGER,
   [continent] INTEGER
);
```
```bash
sqlite-utils create-table /tmp/t.db country id integer name text
sqlite-utils create-table /tmp/t.db city id integer name text
sqlite-utils create-table /tmp/t.db continent id integer name text
sqlite-utils schema /tmp/t.db
```
```sql
CREATE TABLE [places] (
   [id] INTEGER PRIMARY KEY,
   [name] TEXT,
   [country] INTEGER,
   [city] INTEGER,
   [continent] INTEGER
);
CREATE TABLE [country] (
   [id] INTEGER,
   [name] TEXT
);
CREATE TABLE [city] (
   [id] INTEGER,
   [name] TEXT
);
CREATE TABLE [continent] (
   [id] INTEGER,
   [name] TEXT
);
```
```bash
sqlite-utils transform /tmp/t.db places --add-foreign-key country country id --add-foreign-key continent continent id
sqlite-utils schema /tmp/t.db
```
```sql
CREATE TABLE [country] (
   [id] INTEGER,
   [name] TEXT
);
CREATE TABLE [city] (
   [id] INTEGER,
   [name] TEXT
);
CREATE TABLE [continent] (
   [id] INTEGER,
   [name] TEXT
);
CREATE TABLE ""places"" (
   [id] INTEGER PRIMARY KEY,
   [name] TEXT,
   [country] INTEGER REFERENCES [country]([id]),
   [city] INTEGER,
   [continent] INTEGER REFERENCES [continent]([id])
);
```
```bash
sqlite-utils transform /tmp/t.db places --drop-foreign-key country
sqlite-utils schema /tmp/t.db places
```
```sql
CREATE TABLE ""places"" (
   [id] INTEGER PRIMARY KEY,
   [name] TEXT,
   [country] INTEGER,
   [city] INTEGER,
   [continent] INTEGER REFERENCES [continent]([id])
)
```","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",1855894222,
https://github.com/simonw/sqlite-utils/issues/585#issuecomment-1683201239,https://api.github.com/repos/simonw/sqlite-utils/issues/585,1683201239,IC_kwDOCGYnMM5kU5zX,9599,2023-08-18T01:30:46Z,2023-08-18T01:30:46Z,OWNER,"Help can now look like this:
```
  --drop-foreign-key TEXT         Drop foreign key constraint for this column
  --add-foreign-key <TEXT TEXT TEXT>...
                                  Add a foreign key constraint from a column
                                  to another table with another column
```","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",1855894222,
https://github.com/simonw/sqlite-utils/issues/585#issuecomment-1683200128,https://api.github.com/repos/simonw/sqlite-utils/issues/585,1683200128,IC_kwDOCGYnMM5kU5iA,9599,2023-08-18T01:29:00Z,2023-08-18T01:29:00Z,OWNER,I'm not going to implement the `foreign_keys=` option that entirely replaces existing foreign keys - I'll just do a `--add-foreign-key` multi-option.,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",1855894222,
https://github.com/simonw/sqlite-utils/issues/585#issuecomment-1683198740,https://api.github.com/repos/simonw/sqlite-utils/issues/585,1683198740,IC_kwDOCGYnMM5kU5MU,9599,2023-08-18T01:26:47Z,2023-08-18T01:26:47Z,OWNER,"The only CLI feature that supports providing just the column name appears to be this:
```bash
sqlite-utils add-foreign-key --help
```
```
Usage: sqlite-utils add-foreign-key [OPTIONS] PATH TABLE COLUMN [OTHER_TABLE]
                                    [OTHER_COLUMN]

  Add a new foreign key constraint to an existing table

  Example:

      sqlite-utils add-foreign-key my.db books author_id authors id

  WARNING: Could corrupt your database! Back up your database file first.
```
I can drop that WARNING now since I'm not writing to `sqlite_master` any more.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",1855894222,
https://github.com/simonw/sqlite-utils/issues/585#issuecomment-1683197882,https://api.github.com/repos/simonw/sqlite-utils/issues/585,1683197882,IC_kwDOCGYnMM5kU4-6,9599,2023-08-18T01:25:53Z,2023-08-18T01:25:53Z,OWNER,"Probably most relevant here is this snippet from:
```bash
sqlite-utils create-table --help
```
```
  --default <TEXT TEXT>...  Default value that should be set for a column
  --fk <TEXT TEXT TEXT>...  Column, other table, other column to set as a
                            foreign key
```","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",1855894222,
https://github.com/simonw/sqlite-utils/issues/585#issuecomment-1683195669,https://api.github.com/repos/simonw/sqlite-utils/issues/585,1683195669,IC_kwDOCGYnMM5kU4cV,9599,2023-08-18T01:24:57Z,2023-08-18T01:24:57Z,OWNER,"Currently:
```bash
sqlite-utils transform --help
```
```
Usage: sqlite-utils transform [OPTIONS] PATH TABLE

  Transform a table beyond the capabilities of ALTER TABLE

  Example:

      sqlite-utils transform mydb.db mytable \
          --drop column1 \
          --rename column2 column_renamed

Options:
  --type <TEXT CHOICE>...   Change column type to INTEGER, TEXT, FLOAT or BLOB
  --drop TEXT               Drop this column
  --rename <TEXT TEXT>...   Rename this column to X
  -o, --column-order TEXT   Reorder columns
  --not-null TEXT           Set this column to NOT NULL
  --not-null-false TEXT     Remove NOT NULL from this column
  --pk TEXT                 Make this column the primary key
  --pk-none                 Remove primary key (convert to rowid table)
  --default <TEXT TEXT>...  Set default value for this column
  --default-none TEXT       Remove default from this column
  --drop-foreign-key TEXT   Drop foreign key constraint for this column
  --sql                     Output SQL without executing it
  --load-extension TEXT     Path to SQLite extension, with optional
                            :entrypoint
  -h, --help                Show this message and exit.
```","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",1855894222,