These new querystring arguments can be used to request expanded foreign keys
in both JSON and CSV formats.
?_labels=on turns on expansions for ALL foreign key columns
?_label=COLUMN1&_label=COLUMN2 can be used to pick specific columns to expand
e.g. `Street_Tree_List.json?_label=qSpecies&_label=qLegalStatus`
{
"rowid": 233,
"TreeID": 121240,
"qLegalStatus": {
"value" 2,
"label": "Private"
}
"qSpecies": {
"value": 16,
"label": "Sycamore"
}
"qAddress": "91 Commonwealth Ave",
...
}
The labels option also works for the HTML and CSV views.
HTML defaults to `?_labels=on`, so if you pass `?_labels=off` you can disable
foreign key expansion entirely - or you can use `?_label=COLUMN` to request
just specific columns.
If you expand labels on CSV you get additional columns in the output:
`/Street_Tree_List.csv?_label=qLegalStatus`
rowid,TreeID,qLegalStatus,qLegalStatus_label...
1,141565,1,Permitted Site...
2,232565,2,Undocumented...
I also refactored the existing foreign key expansion code.
Closes#233. Refs #266.
Replaced the --max_returned_rows and --sql_time_limit_ms options to
"datasette serve" with a new --limit option, which supports a larger
list of limits.
Example usage:
datasette serve --limit max_returned_rows:1000 \
--limit sql_time_limit_ms:2500 \
--limit default_facet_size:50 \
--limit facet_time_limit_ms:1000 \
--limit facet_suggest_time_limit_ms:500
New docs: https://datasette.readthedocs.io/en/latest/limits.htmlCloses#270Closes#264
* Default is now ?_shape=arrays (renamed from lists)
* New ?_shape=array returns an array of objects as the root object
* Changed ?_shape=object to return the object as the root
* Updated docs
New _shape= parameter replacing old .jsono extension
Now instead of this:
/database/table.jsono
We use the _shape parameter like this:
/database/table.json?_shape=objects
Also introduced a new _shape called 'object' which looks like this:
/database/table.json?_shape=object
Returning an object for the rows key:
...
"rows": {
"pk1": {
...
},
"pk2": {
...
}
}
Refs #122
Simon Willison