fix(flow-php/postgresql): lower BulkInsert upsert with empty update set to ON CONFLICT DO NOTHING

[norberttech]

Change Log

---

Added

Fixed

• flow-php/postgresql - BulkInsert upsert with an empty update set now emits ON CONFLICT DO NOTHING instead of a plain INSERT.

Changed

Removed

Deprecated

Security

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.11%. Comparing base (ab928a3) to head (e07412c).
⚠️ Report is 2 commits behind head on 1.x.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@             Coverage Diff              @@
##                1.x    #2452      +/-   ##
============================================
- Coverage     85.11%   85.11%   -0.01%     
- Complexity        0    21162   +21162     
============================================
  Files          1599     1599              
  Lines         65334    65336       +2     
============================================
  Hits          55612    55612              
- Misses         9722     9724       +2     

Components	Coverage Δ
etl	88.32% <ø> (ø)
cli	89.40% <ø> (ø)
lib-array-dot	81.44% <ø> (ø)
lib-azure-sdk	64.44% <ø> (ø)
lib-doctrine-dbal-bulk	93.61% <ø> (ø)
lib-filesystem	85.03% <ø> (ø)
lib-types	90.06% <ø> (ø)
lib-parquet	70.10% <ø> (ø)
lib-parquet-viewer	82.26% <ø> (ø)
lib-snappy	88.93% <ø> (-0.89%)	⬇️
lib-dremel	0.00% <ø> (ø)
lib-postgresql	88.59% <100.00%> (+<0.01%)	⬆️
lib-telemetry	85.95% <ø> (ø)
bridge-filesystem-async-aws	92.74% <ø> (ø)
bridge-filesystem-azure	90.45% <ø> (ø)
bridge-monolog-http	96.82% <ø> (ø)
bridge-monolog-telemetry	94.11% <ø> (ø)
bridge-openapi-specification	92.07% <ø> (ø)
symfony-http-foundation	78.57% <ø> (ø)
bridge-psr18-telemetry	100.00% <ø> (ø)
bridge-psr3-telemetry	97.84% <ø> (ø)
bridge-psr7-telemetry	100.00% <ø> (ø)
bridge-telemetry-otlp	89.89% <ø> (ø)
bridge-symfony-http-foundation-telemetry	89.47% <ø> (ø)
bridge-symfony-filesystem-bundle	90.20% <ø> (ø)
bridge-symfony-filesystem-cache	98.14% <ø> (ø)
bridge-symfony-postgresql-bundle	93.83% <ø> (ø)
bridge-symfony-postgresql-cache	94.41% <ø> (ø)
bridge-symfony-postgresql-messenger	98.80% <ø> (ø)
bridge-symfony-postgresql-session	93.65% <ø> (ø)
bridge-symfony-telemetry-bundle	80.80% <ø> (ø)
adapter-chartjs	84.05% <ø> (ø)
adapter-csv	91.16% <ø> (ø)
adapter-doctrine	90.79% <ø> (ø)
adapter-elasticsearch	92.07% <ø> (ø)
adapter-google-sheet	99.18% <ø> (ø)
adapter-http	72.34% <ø> (ø)
adapter-json	88.63% <ø> (ø)
adapter-logger	50.00% <ø> (ø)
adapter-parquet	77.70% <ø> (ø)
adapter-text	74.13% <ø> (ø)
adapter-xml	83.40% <ø> (ø)
adapter-avro	0.00% <ø> (ø)
adapter-excel	94.21% <ø> (ø)
adapter-postgresql	91.11% <ø> (ø)
bridge-phpunit-postgresql	75.30% <ø> (ø)
bridge-phpunit-telemetry	80.08% <ø> (ø)
bridge-phpstan-types	0.00% <ø> (ø)
bridge-postgresql-valinor	100.00% <ø> (ø)

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