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Add pks parameter to render_cell() plugin hook

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The render_cell() hook now receives a pks parameter containing the list
of primary key column names for the table being rendered. This avoids
plugins needing to make redundant async calls to look up primary keys.

For tables without an explicit primary key, pks is ["rowid"]. For custom
SQL queries and views, pks is an empty list [].

https://claude.ai/code/session_01HFYfevAziq4fSYTNRD9ZCh
This commit is contained in:
Claude 2026-02-17 18:21:25 +00:00 • committed by Simon Willison
commit 170f9de774
8 changed files with 62 additions and 5 deletions
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3
tests/plugins/my_plugin.py
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@ -104,7 +104,7 @@ def extra_body_script(
@hookimpl
def render_cell(row, value, column, table, database, datasette, request):
def render_cell(row, value, column, table, pks, database, datasette, request):
async def inner():
# Render some debug output in cell with value RENDER_CELL_DEMO
if value == "RENDER_CELL_DEMO":
@ -113,6 +113,7 @@ def render_cell(row, value, column, table, database, datasette, request):
"column": column,
"table": table,
"database": database,
"pks": pks,
"config": datasette.plugin_config(
"name-of-plugin",
database=database,