(ctx context.Context, rgs []parquet.RowGroup, pf *parquet.File)
| 350 | type makeIterFn func(columnName string, predicate pq.Predicate, selectAs string) pq.Iterator |
| 351 | |
| 352 | func makeIterFunc(ctx context.Context, rgs []parquet.RowGroup, pf *parquet.File) makeIterFn { |
| 353 | return func(name string, predicate pq.Predicate, selectAs string) pq.Iterator { |
| 354 | index, _, maxDef := pq.GetColumnIndexByPath(pf, name) |
| 355 | if index == -1 { |
| 356 | // TODO - don't panic, error instead |
| 357 | panic("column not found in parquet file:" + name) |
| 358 | } |
| 359 | |
| 360 | opts := []pq.SyncIteratorOpt{ |
| 361 | pq.SyncIteratorOptColumnName(name), |
| 362 | pq.SyncIteratorOptPredicate(predicate), |
| 363 | pq.SyncIteratorOptSelectAs(selectAs), |
| 364 | pq.SyncIteratorOptMaxDefinitionLevel(maxDef), |
| 365 | } |
| 366 | if name != columnPathSpanID && name != columnPathTraceID { |
| 367 | opts = append(opts, pq.SyncIteratorOptIntern()) |
| 368 | } |
| 369 | |
| 370 | return pq.NewSyncIterator(ctx, rgs, index, opts...) |
| 371 | } |
| 372 | } |
| 373 | |
| 374 | func makeNilIterFunc(ctx context.Context, rgs []parquet.RowGroup, pf *parquet.File) makeIterFn { |
| 375 | return func(name string, predicate pq.Predicate, selectAs string) pq.Iterator { |
no outgoing calls