open-telemetry / open-telemetry/opentelemetry-python-contrib
`opentelemetry-instrumentation-sqlite3`: expose `capture_parameters`
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- Python
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Description
Part of #4787 (global db.query.parameter.<key> tracking issue).
Background
sqlite3 builds on the dbapi base, so once the dbapi sub-issue lands it
already emits db.query.parameter.<key> correctly — but only when
capture_parameters=True. The instrumentor never exposes that option, so users
have no way to enable parameter capture.
psycopg2 already exposes capture_parameters and is the reference
implementation.
What to do
Thread a capture_parameters option through the instrumentor, mirroring
psycopg2:
- In
_instrument, readcapture_parameters = kwargs.get("capture_parameters", False)
and pass it todbapi.wrap_connect(...). - In
instrument_connection, add acapture_parametersparameter and pass it
todbapi.instrument_connection(...). - Document the option in the module docstring.
No parameter-formatting logic lives here — it all comes from the dbapi base.
Acceptance criteria
instrument(capture_parameters=True)and
instrument_connection(conn, capture_parameters=True)both enable capture.- With capture enabled, spans carry
db.query.parameter.<key>under the new
semconv anddb.statement.parametersunder the old semconv (via the base). - Default remains no parameter capture.
Tests
- Verify
capture_parametersis forwarded to the dbapi layer for both entry
points. - Verify
db.query.parameter.<key>appears under the new semconv when enabled,
including named parameters (sqlite3 supports:nameand?styles).
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the sqlite3 instrumentor entry points _instrument and instrument_connection, then compare the psycopg2 implementation and the dbapi.wrap_connect and dbapi.instrument_connection calls. Run the sqlite3 instrumentation tests to verify forwarding through both entry points, parameter attributes under both semconv versions, named parameters, and the default-disabled behavior.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python, sqlite
- Domain
- databases, observability
- Issue type
- Feature
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Quiet
- Clarity
- Clearly specified
- Newbie friendliness
- 72/100