hanahmily opened a new pull request, #1222:
URL: https://github.com/apache/skywalking-banyandb/pull/1222
## What
Adds a program-generated test pipeline for **stream** queries under
`test/cases/stream/cmd/{generate,capture}`, mirroring the existing measure and
trace frameworks — plus a supporting engine fix it surfaced.
### Generator (`cmd/generate`)
- Three layers — leaf predicates, AND/OR criteria trees, and pairwise
feature combinations — systematically cover BinaryOps, logical nesting,
order-by (timestamp and indexed), limit/offset/projection, and multi-group
queries.
- Predicts each case's expected outcome (non-empty / empty / error)
**deterministically from the seed**, which is verified against `testdata` via
`verifySeedMirror`.
### Capture (`cmd/capture`, gated by `CAPTURE_STREAM_WANT_FIXTURES=1`)
- Runs each generated query against a standalone server and **verifies the
generator's prediction, failing on any mismatch**. It is the source of truth
for non-empty golden files.
### Engine fix
- Non-EQ/IN conditions on entity tags (`NE`, `NOT_IN`, `LT`/`GT`/`LE`/`GE`)
were silently dropped and returned all rows. The stream query planner now
returns `ErrUnsupportedConditionOp`, consistent with how `MATCH` on a skipping
index is handled. These operations are **kept as expected-error test cases**,
not dropped.
## Verification
- `make check` clean; `golangci-lint` clean; Apache license headers present.
- Capture oracle passes with zero prediction mismatches.
- `go test ./test/integration/standalone/query/...` green (measure + stream
+ trace + property).
## Notes
- `SeedAll` was extracted into the stream `data` package, shared by the
Ginkgo suite and the capture harness.
- New make targets: `generate-stream-test-cases`,
`capture-stream-test-cases`.
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