html_url,issue_url,id,node_id,user,user_label,created_at,updated_at,author_association,body,reactions,issue,issue_label,performed_via_github_app
https://github.com/simonw/sqlite-utils/issues/42#issuecomment-513262013,https://api.github.com/repos/simonw/sqlite-utils/issues/42,513262013,MDEyOklzc3VlQ29tbWVudDUxMzI2MjAxMw==,9599,simonw,2019-07-19T14:58:23Z,2020-09-22T18:12:11Z,OWNER,"CLI design idea:

    $ sqlite-utils extract my.db \
        dea_sales company_name

Here we just specify the original table and column - the new extracted table will automatically be called ""company_name"" and will have ""id"" and ""value"" columns, by default.

To set a custom extract table:

    $ sqlite-utils extract my.db \
        dea_sales company_name \
        --table companies

And for extracting multiple columns and renaming them on the created table, maybe something like this:

    $ sqlite-utils extract my.db \
        dea_sales company_name company_address \
        --table companies \
        --column company_name name \
        --column company_address address
","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",470345929,"table.extract(...) method and ""sqlite-utils extract"" command",
https://github.com/simonw/datasette/issues/943#issuecomment-693009048,https://api.github.com/repos/simonw/datasette/issues/943,693009048,MDEyOklzc3VlQ29tbWVudDY5MzAwOTA0OA==,9599,simonw,2020-09-15T22:17:30Z,2020-09-22T14:37:00Z,OWNER,"Maybe instead of implementing `datasette.get()` and `datasette.post()` and `datasette.request()` and `datasette.stream()` I could instead have a nested object called `datasette.client` which is a preconfigured `AsyncClient` instance.

```python
response = await datasette.client.get(""/"")
```
Or perhaps this should be a method in case I ever need to be able to `await` it:
```python
response = await (await datasette.client()).get(""/"")
```
This is a bit cosmetically ugly though, I'd rather avoid that if possible.

Maybe I could get this working by returning an object from `.client()` which provides a `await obj.get()` method:
```python
response = await datasette.client().get(""/"")
```
I don't think there's any benefit to that over `await datasette.client.get()` though.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",681375466,await datasette.client.get(path) mechanism for executing internal requests,
https://github.com/simonw/sqlite-utils/pull/161#issuecomment-696442621,https://api.github.com/repos/simonw/sqlite-utils/issues/161,696442621,MDEyOklzc3VlQ29tbWVudDY5NjQ0MjYyMQ==,9599,simonw,2020-09-22T00:00:23Z,2020-09-22T00:00:23Z,OWNER,I still need to figure out what to do about these various other table properties: https://github.com/simonw/sqlite-utils/blob/b34c9b40c206d7a9d7ee57a8c1f198ff1f522735/sqlite_utils/db.py#L775-L787,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",705975133,table.transform() method,
https://github.com/simonw/sqlite-utils/pull/161#issuecomment-696443042,https://api.github.com/repos/simonw/sqlite-utils/issues/161,696443042,MDEyOklzc3VlQ29tbWVudDY5NjQ0MzA0Mg==,9599,simonw,2020-09-22T00:01:50Z,2020-09-22T00:01:50Z,OWNER,"When you transform a table, it should keep its primary key, foreign keys, not_null and defaults. I don't think it needs to care about `hash_id` or `extracts=` since those don't affect the structure of the table as it is being created - well, `hash_id` does but if we are transforming an existing table we will get the `hash_id` column for free.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",705975133,table.transform() method,
https://github.com/simonw/sqlite-utils/pull/161#issuecomment-696443190,https://api.github.com/repos/simonw/sqlite-utils/issues/161,696443190,MDEyOklzc3VlQ29tbWVudDY5NjQ0MzE5MA==,9599,simonw,2020-09-22T00:02:22Z,2020-09-22T00:02:22Z,OWNER,How would I detect which columns are `not_null` and what their defaults are? I don`t think my introspection logic handles that yet.,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",705975133,table.transform() method,
https://github.com/simonw/sqlite-utils/pull/161#issuecomment-696443845,https://api.github.com/repos/simonw/sqlite-utils/issues/161,696443845,MDEyOklzc3VlQ29tbWVudDY5NjQ0Mzg0NQ==,9599,simonw,2020-09-22T00:04:31Z,2020-09-22T00:04:44Z,OWNER,"Good news: the `.columns` introspection does tell me those things:
```
>>> import sqlite_utils
>>> db = sqlite_utils.Database(memory=True)
>>> db.create_table(""foo"", {""id"": int, ""name"": str, ""age"": int}, defaults={""age"": 1}, not_null={""name"", ""age""})
<Table foo (id, name, age)>
>>> db[""foo""]
<Table foo (id, name, age)>
>>> print(db[""foo""].schema)
CREATE TABLE [foo] (
   [id] INTEGER,
   [name] TEXT NOT NULL,
   [age] INTEGER NOT NULL DEFAULT 1
)
>>> db[""foo""].columns
[Column(cid=0, name='id', type='INTEGER', notnull=0, default_value=None, is_pk=0),
 Column(cid=1, name='name', type='TEXT', notnull=1, default_value=None, is_pk=0),
 Column(cid=2, name='age', type='INTEGER', notnull=1, default_value='1', is_pk=0)]
```","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",705975133,table.transform() method,
https://github.com/simonw/sqlite-utils/pull/161#issuecomment-696444353,https://api.github.com/repos/simonw/sqlite-utils/issues/161,696444353,MDEyOklzc3VlQ29tbWVudDY5NjQ0NDM1Mw==,9599,simonw,2020-09-22T00:06:12Z,2020-09-22T00:06:12Z,OWNER,I should support `not_null=` and `default=` arguments to the `.transform()` method because it looks like you can't use `ALTER TABLE` to change those.,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",705975133,table.transform() method,
https://github.com/simonw/sqlite-utils/pull/161#issuecomment-696444842,https://api.github.com/repos/simonw/sqlite-utils/issues/161,696444842,MDEyOklzc3VlQ29tbWVudDY5NjQ0NDg0Mg==,9599,simonw,2020-09-22T00:07:43Z,2020-09-22T00:09:05Z,OWNER,"Syntax challenge: I could use `.transform(defaults={""age"": None})` to indicate that the `age` column should have its default removed, but how would I tell `.transform()` that the `age` column, currently `not null`, should have the `not null` removed from it?

I could do this: `.transform(not_not_null={""age""})` - it's a bit gross but it's also kind of funny. I actually like it!","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",705975133,table.transform() method,
https://github.com/simonw/sqlite-utils/pull/161#issuecomment-696445766,https://api.github.com/repos/simonw/sqlite-utils/issues/161,696445766,MDEyOklzc3VlQ29tbWVudDY5NjQ0NTc2Ng==,9599,simonw,2020-09-22T00:10:50Z,2020-09-22T00:11:12Z,OWNER,"A less horrible interface might be the following:
```python
# Ensure the 'age' column is not null:
table.transform(not_null={""age""})
# The 'age' column is not null but I don't want it to be:
table.transform(not_null={""age"": False})
```
So if the argument is a set it means ""make sure these are all not null"" - if the argument is a dictionary it means ""set these to be null or not null depending on if their dictionary value is true or false"".","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",705975133,table.transform() method,
https://github.com/simonw/sqlite-utils/pull/161#issuecomment-696446658,https://api.github.com/repos/simonw/sqlite-utils/issues/161,696446658,MDEyOklzc3VlQ29tbWVudDY5NjQ0NjY1OA==,9599,simonw,2020-09-22T00:13:55Z,2020-09-22T00:14:21Z,OWNER,"Idea: allow a `conversions=` parameter, as seen on `.insert_all()` and friends, which lets you apply a SQL transformation function as part of the operation. E.g.:

```python
table.transform({""age"": int}, conversions={""name"": ""upper(?)""})
```

https://sqlite-utils.readthedocs.io/en/stable/python-api.html#converting-column-values-using-sql-functions","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",705975133,table.transform() method,
https://github.com/simonw/sqlite-utils/issues/162#issuecomment-696449345,https://api.github.com/repos/simonw/sqlite-utils/issues/162,696449345,MDEyOklzc3VlQ29tbWVudDY5NjQ0OTM0NQ==,9599,simonw,2020-09-22T00:22:46Z,2020-09-22T00:22:46Z,OWNER,Inspired by the idea of adding `conversions=` to #114 - since this would make it easy to register custom Python functions that can be used to convert the values in a table.,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",705995722,A decorator for registering custom SQL functions,
https://github.com/simonw/sqlite-utils/issues/162#issuecomment-696454084,https://api.github.com/repos/simonw/sqlite-utils/issues/162,696454084,MDEyOklzc3VlQ29tbWVudDY5NjQ1NDA4NA==,9599,simonw,2020-09-22T00:40:44Z,2020-09-22T00:40:44Z,OWNER,Documentation: https://sqlite-utils.readthedocs.io/en/latest/python-api.html#registering-custom-sql-functions,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",705995722,A decorator for registering custom SQL functions,
https://github.com/simonw/sqlite-utils/issues/114#issuecomment-696454485,https://api.github.com/repos/simonw/sqlite-utils/issues/114,696454485,MDEyOklzc3VlQ29tbWVudDY5NjQ1NDQ4NQ==,9599,simonw,2020-09-22T00:42:35Z,2020-09-22T00:42:35Z,OWNER,The reason I'm working on this now is that I'd like to support many more options for data cleanup in the Datasette ecosystem - so being able to do things like convert the type of existing columns becomes increasingly important.,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",621989740,table.transform() method for advanced alter table,
https://github.com/simonw/sqlite-utils/issues/163#issuecomment-696465788,https://api.github.com/repos/simonw/sqlite-utils/issues/163,696465788,MDEyOklzc3VlQ29tbWVudDY5NjQ2NTc4OA==,9599,simonw,2020-09-22T01:33:04Z,2020-09-22T01:33:04Z,OWNER,This would apply to `.transform()` in #114 too.,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",706001517,Idea: conversions= could take Python functions,
https://github.com/simonw/sqlite-utils/issues/164#issuecomment-696473559,https://api.github.com/repos/simonw/sqlite-utils/issues/164,696473559,MDEyOklzc3VlQ29tbWVudDY5NjQ3MzU1OQ==,9599,simonw,2020-09-22T02:10:37Z,2020-09-22T02:10:37Z,OWNER,"Maybe something like this:

    sqlite-utils transform mydb.db mytable -c age integer --rename age dog_age
","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",706017416,sqlite-utils transform sub-command,
https://github.com/simonw/sqlite-utils/pull/161#issuecomment-696480925,https://api.github.com/repos/simonw/sqlite-utils/issues/161,696480925,MDEyOklzc3VlQ29tbWVudDY5NjQ4MDkyNQ==,9599,simonw,2020-09-22T02:45:47Z,2020-09-22T02:45:47Z,OWNER,"I'm not going to do `conversions=` because it would be inconsistent with how they work elsewhere. The SQL generated by this function looks like this:

    INSERT INTO dogs_new_tmp VALUES (a, b) SELECT a, b from dogs;

So passing `conversions={""name"": ""upper(?)""})` wouldn't make sense, since we're not using arguments hence there is no-where for that `?` to go.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",705975133,table.transform() method,
https://github.com/simonw/sqlite-utils/pull/161#issuecomment-696485791,https://api.github.com/repos/simonw/sqlite-utils/issues/161,696485791,MDEyOklzc3VlQ29tbWVudDY5NjQ4NTc5MQ==,9599,simonw,2020-09-22T03:10:15Z,2020-09-22T03:10:15Z,OWNER,"Design decision needed on foreign keys: what does the syntax look like for removing an existing foreign key?

Since I already have a good implementation of `add_foreign_key()` I'm tempted to only support dropping them. Maybe like this:

```python
table.transform(drop_foreign_keys=[(""author_id"", ""author"", ""id"")])
```
It's a bit crufty but it's such a rare use-case that I think this will be good enough.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",705975133,table.transform() method,
https://github.com/simonw/sqlite-utils/pull/161#issuecomment-696488201,https://api.github.com/repos/simonw/sqlite-utils/issues/161,696488201,MDEyOklzc3VlQ29tbWVudDY5NjQ4ODIwMQ==,9599,simonw,2020-09-22T03:21:16Z,2020-09-22T03:21:16Z,OWNER,Just needs documentation now.,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",705975133,table.transform() method,
https://github.com/simonw/sqlite-utils/pull/161#issuecomment-696490851,https://api.github.com/repos/simonw/sqlite-utils/issues/161,696490851,MDEyOklzc3VlQ29tbWVudDY5NjQ5MDg1MQ==,9599,simonw,2020-09-22T03:33:54Z,2020-09-22T03:33:54Z,OWNER,It would be neat if `.transform(pk=None)` converted a primary key table to a rowid table.,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",705975133,table.transform() method,
https://github.com/simonw/sqlite-utils/pull/161#issuecomment-696494070,https://api.github.com/repos/simonw/sqlite-utils/issues/161,696494070,MDEyOklzc3VlQ29tbWVudDY5NjQ5NDA3MA==,9599,simonw,2020-09-22T03:48:58Z,2020-09-22T03:48:58Z,OWNER,"One last thing. https://www.sqlite.org/lang_altertable.html#making_other_kinds_of_table_schema_change says that the first step should be:

>  If foreign key constraints are enabled, disable them using PRAGMA foreign_keys=OFF. 

And the last steps should be:

> If foreign key constraints were originally enabled then run PRAGMA foreign_key_check to verify that the schema change did not break any foreign key constraints.
>
> Commit the transaction started in step 2.
>
> If foreign keys constraints were originally enabled, reenable them now. 

I need to implement that.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",705975133,table.transform() method,
https://github.com/simonw/sqlite-utils/issues/167#issuecomment-696565981,https://api.github.com/repos/simonw/sqlite-utils/issues/167,696565981,MDEyOklzc3VlQ29tbWVudDY5NjU2NTk4MQ==,9599,simonw,2020-09-22T07:53:13Z,2020-09-22T07:53:13Z,OWNER,"Confirmed this is a bug, https://www.sqlite.org/lang_altertable.html#making_other_kinds_of_table_schema_changes explicitly says you should do the `PRAGMA foreign_keys` bits before and after the transaction, not during.

Right now my code does this INSIDE the transaction: https://github.com/simonw/sqlite-utils/blob/f29f6821f2d08e91c5c6d65d885a1bbc0c743bdd/sqlite_utils/db.py#L790-L793

","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",706098005,Review the foreign key pragma stuff,
https://github.com/simonw/sqlite-utils/issues/26#issuecomment-696566750,https://api.github.com/repos/simonw/sqlite-utils/issues/26,696566750,MDEyOklzc3VlQ29tbWVudDY5NjU2Njc1MA==,9599,simonw,2020-09-22T07:55:00Z,2020-09-22T07:55:00Z,OWNER,"Problem: `extract` means something else now, see #47 and the upcoming work in #42.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",455486286,Mechanism for turning nested JSON into foreign keys / many-to-many,
https://github.com/simonw/sqlite-utils/issues/42#issuecomment-696567460,https://api.github.com/repos/simonw/sqlite-utils/issues/42,696567460,MDEyOklzc3VlQ29tbWVudDY5NjU2NzQ2MA==,9599,simonw,2020-09-22T07:56:42Z,2020-09-22T07:56:42Z,OWNER,`.transform()` has landed now which should make this a lot easier to solve.,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",470345929,"table.extract(...) method and ""sqlite-utils extract"" command",
https://github.com/simonw/sqlite-utils/issues/164#issuecomment-696567988,https://api.github.com/repos/simonw/sqlite-utils/issues/164,696567988,MDEyOklzc3VlQ29tbWVudDY5NjU2Nzk4OA==,9599,simonw,2020-09-22T07:57:50Z,2020-09-22T07:57:50Z,OWNER,Documentation: https://sqlite-utils.readthedocs.io/en/latest/cli.html#transforming-tables,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",706017416,sqlite-utils transform sub-command,
https://github.com/simonw/sqlite-utils/issues/168#issuecomment-696573944,https://api.github.com/repos/simonw/sqlite-utils/issues/168,696573944,MDEyOklzc3VlQ29tbWVudDY5NjU3Mzk0NA==,9599,simonw,2020-09-22T08:11:30Z,2020-09-22T08:11:30Z,OWNER,Huh... maybe I don't need to do anything here? It looks like it's been kept up to date: https://github.com/Homebrew/homebrew-core/commits/master/Formula/sqlite-utils.rb,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",706167456,Automate (as much as possible) updates published to Homebrew,
https://github.com/simonw/sqlite-utils/issues/114#issuecomment-696500767,https://api.github.com/repos/simonw/sqlite-utils/issues/114,696500767,MDEyOklzc3VlQ29tbWVudDY5NjUwMDc2Nw==,9599,simonw,2020-09-22T04:21:45Z,2020-09-22T04:21:45Z,OWNER,Documentation: https://sqlite-utils.readthedocs.io/en/latest/python-api.html#transforming-a-table,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",621989740,table.transform() method for advanced alter table,
https://github.com/simonw/sqlite-utils/issues/164#issuecomment-696500922,https://api.github.com/repos/simonw/sqlite-utils/issues/164,696500922,MDEyOklzc3VlQ29tbWVudDY5NjUwMDkyMg==,9599,simonw,2020-09-22T04:22:40Z,2020-09-22T04:22:40Z,OWNER,Documentation for the `.transform()` method #114 (now landed) is here: https://sqlite-utils.readthedocs.io/en/latest/python-api.html#transforming-a-table,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",706017416,sqlite-utils transform sub-command,
https://github.com/simonw/sqlite-utils/issues/164#issuecomment-696520928,https://api.github.com/repos/simonw/sqlite-utils/issues/164,696520928,MDEyOklzc3VlQ29tbWVudDY5NjUyMDkyOA==,9599,simonw,2020-09-22T05:50:17Z,2020-09-22T05:50:17Z,OWNER,"Idea for CLI options:
```
--type age integer
--drop colname
--rename oldname newname
--not-null col
--not-null-false col
--pk new_id
--pk-none
--default col value
--default-none column
--drop-foreign-key col other_table other_column
```","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",706017416,sqlite-utils transform sub-command,
https://github.com/simonw/datasette/issues/943#issuecomment-696769501,https://api.github.com/repos/simonw/datasette/issues/943,696769501,MDEyOklzc3VlQ29tbWVudDY5Njc2OTUwMQ==,9599,simonw,2020-09-22T14:45:49Z,2020-09-22T14:45:49Z,OWNER,"I put together a minimal prototype of this and it feels pretty good:
```diff
diff --git a/datasette/app.py b/datasette/app.py
index 20aae7d..fb3bdad 100644
--- a/datasette/app.py
+++ b/datasette/app.py
@@ -4,6 +4,7 @@ import collections
 import datetime
 import glob
 import hashlib
+import httpx
 import inspect
 import itertools
 from itsdangerous import BadSignature
@@ -312,6 +313,7 @@ class Datasette:
         self._register_renderers()
         self._permission_checks = collections.deque(maxlen=200)
         self._root_token = secrets.token_hex(32)
+        self.client = DatasetteClient(self)
 
     async def invoke_startup(self):
         for hook in pm.hook.startup(datasette=self):
@@ -1209,3 +1211,25 @@ def route_pattern_from_filepath(filepath):
 
 class NotFoundExplicit(NotFound):
     pass
+
+
+class DatasetteClient:
+    def __init__(self, ds):
+        self.app = ds.app()
+
+    def _fix(self, path):
+        if path.startswith(""/""):
+            path = ""http://localhost{}"".format(path)
+        return path
+
+    async def get(self, path, **kwargs):
+        async with httpx.AsyncClient(app=self.app) as client:
+            return await client.get(self._fix(path), **kwargs)
+
+    async def post(self, path, **kwargs):
+        async with httpx.AsyncClient(app=self.app) as client:
+            return await client.post(self._fix(path), **kwargs)
+
+    async def options(self, path, **kwargs):
+        async with httpx.AsyncClient(app=self.app) as client:
+            return await client.options(self._fix(path), **kwargs)
```
Used like this in `ipython`:
```
In [1]: from datasette.app import Datasette

In [2]: ds = Datasette([""fixtures.db""])

In [3]: (await ds.client.get(""/-/config.json"")).json()
Out[3]: 
{'default_page_size': 100,
 'max_returned_rows': 1000,
 'num_sql_threads': 3,
 'sql_time_limit_ms': 1000,
 'default_facet_size': 30,
 'facet_time_limit_ms': 200,
 'facet_suggest_time_limit_ms': 50,
 'hash_urls': False,
 'allow_facet': True,
 'allow_download': True,
 'suggest_facets': True,
 'default_cache_ttl': 5,
 'default_cache_ttl_hashed': 31536000,
 'cache_size_kb': 0,
 'allow_csv_stream': True,
 'max_csv_mb': 100,
 'truncate_cells_html': 2048,
 'force_https_urls': False,
 'template_debug': False,
 'base_url': '/'}

In [4]: (await ds.client.get(""/fixtures/facetable.json?_shape=array"")).json()
Out[4]: 
[{'pk': 1,
  'created': '2019-01-14 08:00:00',
  'planet_int': 1,
  'on_earth': 1,
  'state': 'CA',
  'city_id': 1,
  'neighborhood': 'Mission',
  'tags': '[""tag1"", ""tag2""]',
  'complex_array': '[{""foo"": ""bar""}]',
  'distinct_some_null': 'one'},
 {'pk': 2,
  'created': '2019-01-14 08:00:00',
  'planet_int': 1,
  'on_earth': 1,
  'state': 'CA',
  'city_id': 1,
  'neighborhood': 'Dogpatch',
  'tags': '[""tag1"", ""tag3""]',
  'complex_array': '[]',
  'distinct_some_null': 'two'},
```","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",681375466,await datasette.client.get(path) mechanism for executing internal requests,
https://github.com/simonw/datasette/issues/943#issuecomment-696769853,https://api.github.com/repos/simonw/datasette/issues/943,696769853,MDEyOklzc3VlQ29tbWVudDY5Njc2OTg1Mw==,9599,simonw,2020-09-22T14:46:21Z,2020-09-22T14:46:21Z,OWNER,This adds `httpx` as a dependency - I think I'm OK with that. I use it for testing in all of my plugins anyway.,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",681375466,await datasette.client.get(path) mechanism for executing internal requests,
https://github.com/simonw/datasette/issues/943#issuecomment-696774711,https://api.github.com/repos/simonw/datasette/issues/943,696774711,MDEyOklzc3VlQ29tbWVudDY5Njc3NDcxMQ==,9599,simonw,2020-09-22T14:53:56Z,2020-09-22T14:53:56Z,OWNER,"How important is it to use `httpx.AsyncClient` with a context manager?

https://www.python-httpx.org/async/#opening-and-closing-clients says:

> Alternatively, use `await client.aclose()` if you want to close a client explicitly:
> 
> ```
> client = httpx.AsyncClient()
> ...
> await client.aclose()
> ```
The `.aclose()` method has a comment saying ""Close transport and proxies"" - I'm not using proxies, so the relevant implementation seems to be a call to `await self._transport.aclose()` in https://github.com/encode/httpx/blob/f932af9172d15a803ad40061a4c2c0cd891645cf/httpx/_client.py#L1741-L1751

The transport I am using is a class called `ASGITransport` in https://github.com/encode/httpx/blob/master/httpx/_transports/asgi.py

The `aclose()` method on that class does nothing. So it looks like I can instantiate a client without bothering with the `async with httpx.AsyncClient` bit.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",681375466,await datasette.client.get(path) mechanism for executing internal requests,
https://github.com/simonw/datasette/issues/943#issuecomment-696775516,https://api.github.com/repos/simonw/datasette/issues/943,696775516,MDEyOklzc3VlQ29tbWVudDY5Njc3NTUxNg==,9599,simonw,2020-09-22T14:55:10Z,2020-09-22T14:55:10Z,OWNER,"Even smaller `DatasetteClient` implementation:
```python
class DatasetteClient:
    def __init__(self, ds):
        self._client = httpx.AsyncClient(app=ds.app())

    def _fix(self, path):
        if path.startswith(""/""):
            path = ""http://localhost{}"".format(path)
        return path

    async def get(self, path, **kwargs):
        return await self._client.get(self._fix(path), **kwargs)

    async def post(self, path, **kwargs):
        return await self._client.post(self._fix(path), **kwargs)

    async def options(self, path, **kwargs):
        return await self._client.options(self._fix(path), **kwargs)
```","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",681375466,await datasette.client.get(path) mechanism for executing internal requests,
https://github.com/simonw/datasette/issues/943#issuecomment-696776828,https://api.github.com/repos/simonw/datasette/issues/943,696776828,MDEyOklzc3VlQ29tbWVudDY5Njc3NjgyOA==,9599,simonw,2020-09-22T14:57:13Z,2020-09-22T14:57:13Z,OWNER,"I may as well implement all of the HTTP methods supported by the `httpx` client:

- get
- options
- head
- post
- put
- patch
- delete","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",681375466,await datasette.client.get(path) mechanism for executing internal requests,
https://github.com/simonw/datasette/issues/943#issuecomment-696777886,https://api.github.com/repos/simonw/datasette/issues/943,696777886,MDEyOklzc3VlQ29tbWVudDY5Njc3Nzg4Ng==,9599,simonw,2020-09-22T14:58:54Z,2020-09-22T14:58:54Z,OWNER,"```python
class DatasetteClient:
    def __init__(self, ds):
        self._client = httpx.AsyncClient(app=ds.app())

    def _fix(self, path):
        if path.startswith(""/""):
            path = ""http://localhost{}"".format(path)
        return path

    async def get(self, path, **kwargs):
        return await self._client.get(self._fix(path), **kwargs)

    async def options(self, path, **kwargs):
        return await self._client.options(self._fix(path), **kwargs)

    async def head(self, path, **kwargs):
        return await self._client.head(self._fix(path), **kwargs)

    async def post(self, path, **kwargs):
        return await self._client.post(self._fix(path), **kwargs)

    async def put(self, path, **kwargs):
        return await self._client.put(self._fix(path), **kwargs)

    async def patch(self, path, **kwargs):
        return await self._client.patch(self._fix(path), **kwargs)

    async def delete(self, path, **kwargs):
        return await self._client.delete(self._fix(path), **kwargs)
```","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",681375466,await datasette.client.get(path) mechanism for executing internal requests,
https://github.com/simonw/datasette/issues/943#issuecomment-696778735,https://api.github.com/repos/simonw/datasette/issues/943,696778735,MDEyOklzc3VlQ29tbWVudDY5Njc3ODczNQ==,9599,simonw,2020-09-22T15:00:13Z,2020-09-22T15:00:39Z,OWNER,"Am I going to rewrite ALL of my tests to use this instead? It would clean up a lot of test code, at the cost of quite a bit of work.

It would make for much neater plugin tests too, and neater testing documentation: https://docs.datasette.io/en/stable/testing_plugins.html","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",681375466,await datasette.client.get(path) mechanism for executing internal requests,
https://github.com/simonw/datasette/issues/969#issuecomment-696788109,https://api.github.com/repos/simonw/datasette/issues/969,696788109,MDEyOklzc3VlQ29tbWVudDY5Njc4ODEwOQ==,9599,simonw,2020-09-22T15:15:14Z,2020-09-22T15:15:14Z,OWNER,"I don't think a standard ""pass these extra arguments to the publish tool"" mechanism will work because there's no guarantee that a publisher uses a CLI tool - or if it does, it might make several calls to different CLI tools. The Cloud Run one runs a couple of commands, as illustrated by this test:

https://github.com/simonw/datasette/blob/a648bb82bac201c7658f6fdb499ff8ac17ebd2e8/tests/test_publish_cloudrun.py#L63-L73

Adding a `--tar` option for `datasette publish heroku` is a good fix for this though.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",705057955,"Add --tar option to ""datasette publish heroku""",
https://github.com/simonw/datasette/issues/973#issuecomment-696798114,https://api.github.com/repos/simonw/datasette/issues/973,696798114,MDEyOklzc3VlQ29tbWVudDY5Njc5ODExNA==,9599,simonw,2020-09-22T15:31:25Z,2020-09-22T15:31:25Z,OWNER,D'oh because I have a new variable called `open`.,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",706486323,'bool' object is not callable error,
https://github.com/simonw/sqlite-utils/issues/42#issuecomment-696893244,https://api.github.com/repos/simonw/sqlite-utils/issues/42,696893244,MDEyOklzc3VlQ29tbWVudDY5Njg5MzI0NA==,9599,simonw,2020-09-22T18:14:33Z,2020-09-22T18:14:45Z,OWNER,"Thinking more about this one:
```
$ sqlite-utils extract my.db \
    dea_sales company_name company_address \
    --table companies
```
The goal here is to pull the company name and address pair out into a separate table.

Some questions:
- should this first verify that every company_name has just one company_address? I like the idea of a unique constraint on the created table for this.
- what should the foreign key column that gets added to the `companies` table be called?","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",470345929,"table.extract(...) method and ""sqlite-utils extract"" command",
https://github.com/simonw/sqlite-utils/issues/42#issuecomment-696893774,https://api.github.com/repos/simonw/sqlite-utils/issues/42,696893774,MDEyOklzc3VlQ29tbWVudDY5Njg5Mzc3NA==,9599,simonw,2020-09-22T18:15:33Z,2020-09-22T18:15:33Z,OWNER,I think the new foreign key column is called `company_name_id` by default in this example but can be customized by passing `--fk-column=xxx`,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",470345929,"table.extract(...) method and ""sqlite-utils extract"" command",
https://github.com/simonw/datasette/issues/973#issuecomment-696800410,https://api.github.com/repos/simonw/datasette/issues/973,696800410,MDEyOklzc3VlQ29tbWVudDY5NjgwMDQxMA==,9599,simonw,2020-09-22T15:35:28Z,2020-09-22T15:35:28Z,OWNER,"Confirmed in local dev:
```
% datasette fixtures.db --inspect-file inspect.json
Traceback (most recent call last):
  File ""/Users/simon/.local/share/virtualenvs/datasette-AWNrQs95/bin/datasette"", line 11, in <module>
    load_entry_point('datasette', 'console_scripts', 'datasette')()
  File ""/Users/simon/.local/share/virtualenvs/datasette-AWNrQs95/lib/python3.8/site-packages/click/core.py"", line 829, in __call__
    return self.main(*args, **kwargs)
  File ""/Users/simon/.local/share/virtualenvs/datasette-AWNrQs95/lib/python3.8/site-packages/click/core.py"", line 782, in main
    rv = self.invoke(ctx)
  File ""/Users/simon/.local/share/virtualenvs/datasette-AWNrQs95/lib/python3.8/site-packages/click/core.py"", line 1259, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File ""/Users/simon/.local/share/virtualenvs/datasette-AWNrQs95/lib/python3.8/site-packages/click/core.py"", line 1066, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File ""/Users/simon/.local/share/virtualenvs/datasette-AWNrQs95/lib/python3.8/site-packages/click/core.py"", line 610, in invoke
    return callback(*args, **kwargs)
  File ""/Users/simon/Dropbox/Development/datasette/datasette/cli.py"", line 406, in serve
    inspect_data = json.load(open(inspect_file))
TypeError: 'bool' object is not callable
```","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",706486323,'bool' object is not callable error,
https://github.com/simonw/sqlite-utils/issues/42#issuecomment-696976678,https://api.github.com/repos/simonw/sqlite-utils/issues/42,696976678,MDEyOklzc3VlQ29tbWVudDY5Njk3NjY3OA==,9599,simonw,2020-09-22T20:57:57Z,2020-09-22T20:57:57Z,OWNER,"I think I understand the shape of this feature now. It lets you specify one or more columns on the source table which will be extracted into another table. It uses the `.lookup()` mechanism to populate that other table, which means each unique column value / pair / triple will be assigned an integer ID.

That integer ID gets written back into the first of the columns that are being transformed. A `.transform()` call then converts that column to an integer (and drops the additional columns). Finally we set up the new foreign key relationship.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",470345929,"table.extract(...) method and ""sqlite-utils extract"" command",
https://github.com/simonw/sqlite-utils/issues/42#issuecomment-696979168,https://api.github.com/repos/simonw/sqlite-utils/issues/42,696979168,MDEyOklzc3VlQ29tbWVudDY5Njk3OTE2OA==,9599,simonw,2020-09-22T21:02:24Z,2020-09-22T21:02:24Z,OWNER,"In Python it looks like this:
```python
# Simple case - species column species_id pointing to species table
db[""trees""].extract(""species"")

# Setting a custom table
db[""trees""].extract(""species"", table=""Species"")

# Custom foreign key column on trees
db[""trees""].extract(""species"", fk_column=""species"")

# Extracting multiple columns
db[""trees""].extract([""common_name"", ""latin_name""])
# (this creates a lookup table called common_name_latin_name ref'd by common_name_latin_name_id)

# Or with explicit table (fk_column here defaults to species_id because of the table name)
db[""trees""].extract([""common_name"", ""latin_name""], table=""species"")
```","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",470345929,"table.extract(...) method and ""sqlite-utils extract"" command",
https://github.com/simonw/sqlite-utils/issues/42#issuecomment-696979626,https://api.github.com/repos/simonw/sqlite-utils/issues/42,696979626,MDEyOklzc3VlQ29tbWVudDY5Njk3OTYyNg==,9599,simonw,2020-09-22T21:03:11Z,2020-09-22T21:03:11Z,OWNER,"And if you want to rename some of the columns in the new table:
```python
db[""trees""].extract([""common_name"", ""latin_name""], table=""species"", rename={""common_name"": ""name""})
```","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",470345929,"table.extract(...) method and ""sqlite-utils extract"" command",
https://github.com/simonw/sqlite-utils/issues/42#issuecomment-696980503,https://api.github.com/repos/simonw/sqlite-utils/issues/42,696980503,MDEyOklzc3VlQ29tbWVudDY5Njk4MDUwMw==,9599,simonw,2020-09-22T21:04:45Z,2020-09-22T21:04:45Z,OWNER,"`table.extract()` can take an optional `progress=` argument which is a callback which will be used to report progress - called after each batch with `(num_done, total)`. It will get called with `(0, total)` once at the start to allow progress bars to be initialized. The command-line progress bar will use this.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",470345929,"table.extract(...) method and ""sqlite-utils extract"" command",
https://github.com/simonw/sqlite-utils/issues/42#issuecomment-696980709,https://api.github.com/repos/simonw/sqlite-utils/issues/42,696980709,MDEyOklzc3VlQ29tbWVudDY5Njk4MDcwOQ==,9599,simonw,2020-09-22T21:05:07Z,2020-09-22T21:05:07Z,OWNER,"So `.extract()` probably takes a `batch_size=` argument too, which defaults to maybe 1000.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",470345929,"table.extract(...) method and ""sqlite-utils extract"" command",
https://github.com/simonw/sqlite-utils/issues/42#issuecomment-696987257,https://api.github.com/repos/simonw/sqlite-utils/issues/42,696987257,MDEyOklzc3VlQ29tbWVudDY5Njk4NzI1Nw==,9599,simonw,2020-09-22T21:17:34Z,2020-09-22T21:17:34Z,OWNER,"What to do if the table already exists? The `.lookup()` function already knows how to modify an existing table to create the correct constraints etc, so I'll rely on that mechanism.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",470345929,"table.extract(...) method and ""sqlite-utils extract"" command",
https://github.com/simonw/sqlite-utils/issues/42#issuecomment-696987925,https://api.github.com/repos/simonw/sqlite-utils/issues/42,696987925,MDEyOklzc3VlQ29tbWVudDY5Njk4NzkyNQ==,9599,simonw,2020-09-22T21:19:04Z,2020-09-22T21:19:04Z,OWNER,Need to make sure this works correctly for `rowid` tables.,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",470345929,"table.extract(...) method and ""sqlite-utils extract"" command",
https://github.com/simonw/sqlite-utils/issues/42#issuecomment-697012111,https://api.github.com/repos/simonw/sqlite-utils/issues/42,697012111,MDEyOklzc3VlQ29tbWVudDY5NzAxMjExMQ==,9599,simonw,2020-09-22T22:18:13Z,2020-09-22T22:18:13Z,OWNER,"Here's how I'm generating the examples for the documentation:
```
In [2]: import sqlite_utils

In [3]: db = sqlite_utils.Database(memory=True)

In [4]: db[""Trees""].insert({""id"": 1, ""TreeAddress"": ""52 Vine St"", ""CommonName"":
   ...: ""Palm"", ""LatinName"": ""foo""}, pk=""id"")
Out[4]: <Table Trees (id, TreeAddress, CommonName, LatinName)>

In [5]: db[""Trees""].extract([""CommonName"", ""LatinName""], table=""Species"", fk_col
   ...: umn=""species_id"")

In [6]: print(db[""Trees""].schema)
CREATE TABLE ""Trees"" (
   [id] INTEGER PRIMARY KEY,
   [TreeAddress] TEXT,
   [species_id] INTEGER,
   FOREIGN KEY(species_id) REFERENCES Species(id)
)

In [7]: print(db[""Species""].schema)
CREATE TABLE [Species] (
   [id] INTEGER PRIMARY KEY,
   [CommonName] TEXT,
   [LatinName] TEXT
)
```","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",470345929,"table.extract(...) method and ""sqlite-utils extract"" command",
https://github.com/simonw/sqlite-utils/issues/42#issuecomment-697013681,https://api.github.com/repos/simonw/sqlite-utils/issues/42,697013681,MDEyOklzc3VlQ29tbWVudDY5NzAxMzY4MQ==,9599,simonw,2020-09-22T22:22:49Z,2020-09-22T22:22:49Z,OWNER,"The command-line version of this needs to accept a table and one or more columns, then a `--table` and `--fk-column` option.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",470345929,"table.extract(...) method and ""sqlite-utils extract"" command",
https://github.com/simonw/sqlite-utils/issues/42#issuecomment-697019944,https://api.github.com/repos/simonw/sqlite-utils/issues/42,697019944,MDEyOklzc3VlQ29tbWVudDY5NzAxOTk0NA==,9599,simonw,2020-09-22T22:40:00Z,2020-09-22T22:40:00Z,OWNER,"I tried out the prototype of the CLI on the Global Power Plants data:
```
wget 'https://raw.githubusercontent.com/wri/global-power-plant-database/master/output_database/global_power_plant_database.csv'
sqlite-utils insert global.db power_plants global_power_plant_database.csv --csv
sqlite-utils extract global.db power_plants country country_long
```
This threw an error because `rowid` columns are not yet supported. I fixed that like so:
```
sqlite-utils transform global.db power_plants --rename rowid id
sqlite-utils extract global.db power_plants country country_long
```
That worked! But it didn't play great with Datasette, because the resulting extracted table had columns `country` and `country_long` and neither of those are called `name` or `value` or `title`.

Based on this I need to add `rowid` table support AND I need to implement the proposed `rename=` argument for renaming columns on their way into the new table.
","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",470345929,"table.extract(...) method and ""sqlite-utils extract"" command",
https://github.com/simonw/sqlite-utils/issues/42#issuecomment-697025403,https://api.github.com/repos/simonw/sqlite-utils/issues/42,697025403,MDEyOklzc3VlQ29tbWVudDY5NzAyNTQwMw==,9599,simonw,2020-09-22T22:57:53Z,2020-09-22T22:57:53Z,OWNER,The documentation for the `.extract()` method is here: https://sqlite-utils.readthedocs.io/en/latest/python-api.html#extracting-columns-into-a-separate-table,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",470345929,"table.extract(...) method and ""sqlite-utils extract"" command",
https://github.com/simonw/sqlite-utils/issues/42#issuecomment-697031174,https://api.github.com/repos/simonw/sqlite-utils/issues/42,697031174,MDEyOklzc3VlQ29tbWVudDY5NzAzMTE3NA==,9599,simonw,2020-09-22T23:16:00Z,2020-09-22T23:16:00Z,OWNER,"Trying this demo again:
```
wget 'https://raw.githubusercontent.com/wri/global-power-plant-database/master/output_database/global_power_plant_database.csv'
sqlite-utils insert global.db power_plants global_power_plant_database.csv --csv
sqlite-utils extract global.db power_plants country country_long --table countries --rename country_long name
```
It worked!","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",470345929,"table.extract(...) method and ""sqlite-utils extract"" command",
https://github.com/simonw/sqlite-utils/issues/42#issuecomment-697037974,https://api.github.com/repos/simonw/sqlite-utils/issues/42,697037974,MDEyOklzc3VlQ29tbWVudDY5NzAzNzk3NA==,9599,simonw,2020-09-22T23:39:31Z,2020-09-22T23:39:31Z,OWNER,Documentation for `sqlite-utils extract`: https://sqlite-utils.readthedocs.io/en/latest/cli.html#extracting-columns-into-a-separate-table,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",470345929,"table.extract(...) method and ""sqlite-utils extract"" command",