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--limit= mechanism plus new limits for facets

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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.html

Closes #270
Closes #264
This commit is contained in:
Simon Willison 2018-05-17 22:08:26 -07:00
commit cef9a9a870
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10 changed files with 118 additions and 72 deletions
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README.md
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@ -114,9 +114,6 @@ http://localhost:8001/History/downloads.json?_shape=objects will return that dat
--cors Enable CORS by serving Access-Control-Allow-
Origin: *
--page_size INTEGER Page size - default is 100
--max_returned_rows INTEGER Max allowed rows to return at once - default is
1000. Set to 0 to disable check entirely.
--sql_time_limit_ms INTEGER Max time allowed for SQL queries in ms
--load-extension PATH Path to a SQLite extension to load
--inspect-file TEXT Path to JSON file created using "datasette
inspect"
@ -126,6 +123,8 @@ http://localhost:8001/History/downloads.json?_shape=objects will return that dat
--plugins-dir DIRECTORY Path to directory containing custom plugins
--static STATIC MOUNT mountpoint:path-to-directory for serving static
files
--limit LIMIT Set a limit using limitname:integer
datasette.readthedocs.io/en/latest/limits.html
--help Show this message and exit.
## metadata.json
@ -214,13 +213,13 @@ If you have docker installed you can use `datasette package` to create a new Doc
Both publish and package accept an `extra_options` argument option, which will affect how the resulting application is executed. For example, say you want to increase the SQL time limit for a particular container:
datasette package parlgov.db --extra-options="--sql_time_limit_ms=2500 --page_size=10"
datasette package parlgov.db --extra-options="--limit sql_time_limit_ms:2500 --page_size=10"
The resulting container will run the application with those options.
Here's example output for the package command:
$ datasette package parlgov.db --extra-options="--sql_time_limit_ms=2500 --page_size=10"
$ datasette package parlgov.db --extra-options="--limit sql_time_limit_ms:2500 --page_size=10"
Sending build context to Docker daemon 4.459MB
Step 1/7 : FROM python:3
---> 79e1dc9af1c1
@ -239,7 +238,7 @@ Here's example output for the package command:
Step 6/7 : EXPOSE 8001
---> Using cache
---> 8e83844b0fed
Step 7/7 : CMD datasette serve parlgov.db --port 8001 --inspect-file inspect-data.json --sql_time_limit_ms=2500 --page_size=10
Step 7/7 : CMD datasette serve parlgov.db --port 8001 --inspect-file inspect-data.json --limit sql_time_limit_ms:2500 --page_size=10
---> Using cache
---> 1bd380ea8af3
Successfully built 1bd380ea8af3