Jack Ling fc39fffe9c test(contrib/drivers/gaussdb): add builder, subquery, join, struct test coverage (#4688) ...

## Summary
- Port 4 test files from PgSQL driver to GaussDB driver
- Add `gaussdb_z_unit_feature_model_builder_test.go` (2 tests): SQL
builder with raw expressions and safe mode
- Add `gaussdb_z_unit_feature_model_subquery_test.go` (3 tests):
subquery in Select/Where/Having
- Add `gaussdb_z_unit_feature_model_join_test.go` (7 tests):
LeftJoin/RightJoin/InnerJoin with various conditions
- Add `gaussdb_z_unit_feature_model_struct_test.go` (11 tests):
struct-based insert/update/scan with tag mapping
- **23 new test functions**, ~861 net new lines

## Test plan
- [x] `go build ./...` passes
- [x] `gofmt` and `gci` applied
- [x] No remaining `pgsql` references in new files
- [ ] Run full test suite against GaussDB instance

ref #4689

2026-02-11 13:50:30 +08:00

..

config

feat: new version v2.10.0 (#4657)

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drivers

test(contrib/drivers/gaussdb): add builder, subquery, join, struct test coverage (#4688)

2026-02-11 13:50:30 +08:00

metric/otelmetric

feat: new version v2.10.0 (#4657)

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nosql/redis

feat: new version v2.10.0 (#4657)

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registry

feat: new version v2.10.0 (#4657)

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rpc/grpcx

feat: new version v2.10.0 (#4657)

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sdk/httpclient

feat: new version v2.10.0 (#4657)

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trace

feat: new version v2.10.0 (#4657)

2026-01-26 20:37:48 +08:00