Speed up sys segments per datasource queries - #19729
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Makes the datasource UI page go fast
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| * output. Per-datasource read authorization is applied here so results match a scan of | ||
| * {@code sys.segments}. | ||
| */ | ||
| public class SegmentsRollupRel extends AbstractRelNode implements BindableRel |
| ) | ||
| { | ||
| super( | ||
| operand(Aggregate.class, operand(Project.class, operand(TableScan.class, none()))), |
| ) | ||
| { | ||
| super( | ||
| operand(Aggregate.class, operand(Project.class, operand(TableScan.class, none()))), |
| ) | ||
| { | ||
| super( | ||
| operand(Aggregate.class, operand(Project.class, operand(TableScan.class, none()))), |
| ) | ||
| { | ||
| super( | ||
| operand(Aggregate.class, operand(Project.class, operand(TableScan.class, none()))), |
| // segment. In that case, we use numRows from the segment polled from the Coordinator. | ||
| numRows = val.getNumRows(); | ||
| } else if (available != null) { | ||
| numRows = available.getNumRows(); |
| static DerivedSegmentStatus forAvailable(final AvailableSegmentMetadata val) | ||
| { | ||
| final DataSegment segment = val.getSegment(); | ||
| final long numRows = segment.getTotalRows() != null ? segment.getTotalRows() : val.getNumRows(); |
| * This table contains row per segment from metadata store as well as served segments. | ||
| */ | ||
| static class SegmentsTable extends AbstractTable implements ProjectableFilterableTable | ||
| static class SegmentsTable extends AbstractTable implements ProjectableFilterableTable, SegmentsRollupSource |
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Description
Fixed the bug ...
Renamed the class ...
Added a forbidden-apis entry ...
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