ORC Columnar Fixture Matrix
Pick ORC fixtures for warehouse scans, predicate pushdown checks, and metadata-aware reader validation.
3
Fixture-rijen
3
Hoe je deze matrix gebruikt
Use the matrix when the validation target is a set of variants rather than one canonical sample.
Hoe je deze matrix gebruikt
Coverage
- Covers baseline ORC reads, predicate pushdown cases, and metadata-focused files.
- Useful for warehouse readers, scan filtering checks, and ORC-vs-Parquet compatibility work.
- Anchored to warehouse-comparison and columnar-compatibility packs.
Fixture-rijen
Available Variants
| Variant | Profile | Testfocus | File | Size | Download |
|---|---|---|---|---|---|
|
Baseline ORC
Good default ORC file for scan and reader smoke tests.
|
Warehouse baseline | General ORC reader support |
orc_test1_sample.orc
|
1.7 KB | Download |
|
Predicate-Pushdown ORC
Useful when validating filtered reads and predicate-aware warehouse scans.
|
Filtered scan fixture | Predicate pushdown behavior |
orc_predicate_pushdown_sample.orc
|
15.3 KB | Download |
|
Metadata ORC
Targets readers and tooling that inspect ORC metadata before full scans.
|
Metadata-heavy fixture | Schema and metadata inspection |
orc_metadata_sample.orc
|
41.0 KB | Download |
Gerelateerde strategische pagina's