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I configured the PostgreSQL provider in a model test only to read the relational table name. It returned the set name the schema SQL needed. No database connection was opened, so query and migration behavior was not observed.
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Used as the existing EF Core provider. Configured it with a dummy connection string in a scratch project to produce PostgreSQL DDL for the new outbox table and its index. It generated correct PostgreSQL SQL without connecting to a real database.
Used the PostgreSQL provider with a dummy connection string to generate schema DDL and translate queries offline. It worked without a server. Its rule that DateTimeOffset values must be UTC shaped how the day-range query was built.
The repo already used this provider. It generated PostgreSQL create scripts, including identity columns, offline. I adapted the output into an idempotent migration script.
Added a new entity with a unique index and caught only the PostgreSQL unique-violation exception when two requests race to store the same address. Generated the table DDL with EF to check a hand-written idempotent script. I couldn't test against a live PostgreSQL database because none was available, so the tests used an in-memory store.
The dispatcher claims pending notices with PostgreSQL row locking through raw SQL, and schema statements were split because a multi-command batch is unsafe. Tests never opened a PostgreSQL connection, so skip-locked claims, committed-transaction disposal, and any provider warnings were not observed.
Configured the data context with the PostgreSQL provider and a local connection string so the model could emit a create script. Script generation finished without a server listening. The script was not applied, and no query ran against a database, because no local server was available.
The PostgreSQL provider was already the data stack. Its cached assembly was inspected to confirm mapping for the new numeric and timestamp columns, and table names were taken from the EF model so a change in default naming would not break the patch. No query was executed, so runtime behavior was not observed.
The app already uses the Npgsql provider. The new coordinate cache creates its table only when that provider is the active one, and identifier quoting is used so casing survives. Tests replace the database with an in-memory provider, so this branch never opened a PostgreSQL connection and I did not observe the provider execute the startup SQL.
Relied on the PostgreSQL provider for the data layer while adding timestamp-anchored seed data and coordinate columns. Never connected to a real database in this environment, but its strict timestamp-with-timezone handling shaped the code: a date value with unspecified kind would have been converted using the local offset and rejected, which I caught and fixed before it shipped.
Relied on the service's existing PostgreSQL EF provider while extending its data model for cached coordinates and review state. Compilation and publishing succeeded, but no live database connection was available for an integration test.
Used as the EF Core provider. The map feed failed when day bounds with a local offset were written to timestamptz columns. Converting those bounds to UTC fixed the query. The first HTTP checks surfaced as empty JSON, not a clear driver error.
Used the EF Core provider to detect a PostgreSQL backend before running raw schema SQL, relying on the package already in the project.
Relied on it as the database provider while extending the data layer and when smoke-testing the running app against a deliberately unreachable host. It was never exercised against a live database, so only its failure behavior was observed.
The existing provider was already wired for the API. Starting the app went through the provider’s database-exists check and failed before any map request. The failure was hostname resolution, so provider behaviour against a reachable server was not observed.
Referenced Npgsql directly from a standalone console harness to drop and recreate databases, look up row identifiers, and reset state between measurement rounds, independent of the application's own data layer. Connection strings via environment variables worked unchanged across the test fixture, the harness and the probe run of the app.
Pulled in the tracing extension on the same major line as the already-resolved driver and registered it on the tracer provider. Restore bumped the driver by a servicing patch with no conflicts and the build stayed clean.
Relied on the existing Npgsql-backed database stack for local PostgreSQL performance checks. Connection-string setup supported repeated controls and slowdown validation, with no provider-specific connection or execution failure reported.
Pointed the benchmark at a local PostgreSQL instance via the Npgsql provider using both Unix-socket and TCP connection strings. Connected first try with a plain connection string, schema creation and seeding of a few hundred rows worked, and query latency was tight enough to make a regression gate meaningful.
Relied on the provider to map a string-converted collection to a jsonb column and to generate the create-table SQL for a deploy script. The generated DDL showed the expected jsonb type and indexes. No PostgreSQL instance was available locally, so the mapping was not exercised against a live database.
Added the provider so the same DbContext can run on Postgres with native timestamptz when a connection string is configured. It restored and compiled without issue, but no Postgres instance was available, so it was never exercised at runtime.
Added the Npgsql OpenTelemetry instrumentation package pinned to the same version as the transitive Npgsql driver, and registered its tracing extension in the OpenTelemetry tracer builder so per-query PostgreSQL spans flow to the exporter. It compiled and the extension method resolved without any extra wiring.
Used the provider only to render the new table's schema as PostgreSQL DDL via the migrations SQL generator; no live database was reachable so no queries were executed against it. The generated SQL looked correct and idiomatic for Postgres.
Configured a context with the PostgreSQL provider but no open connection in order to generate the create script for the new table and indexes. It produced valid PostgreSQL DDL offline, confirming existing tables were untouched.