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Struct ReverseScanOption (2.36.0-rc)
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Read rows in reverse order.
The rows will be streamed in reverse lexicographic order of the keys. This is particularly useful to get the last N records before a key.
This option does not affect the contents of the rows, just the order that the rows are returned.
Note:
When using this option, the order of row keys in a bigtable::RowRange
does not change. The row keys still must be supplied in lexicographic order.
namespace cbt = :: google :: cloud :: bigtable ; using :: google :: cloud :: Options ; using :: google :: cloud :: StatusOr ; []( cbt :: Table table ) { // Read and print the rows. auto reader = table . ReadRows ( cbt:: RowRange :: RightOpen ( "phone#5c10102" , "phone#5c10103" ), 3 , cbt:: Filter :: PassAllFilter (), Options {}. set < cbt :: ReverseScanOption >( true )); for ( StatusOr < cbt :: Row >& row : reader ) { if (! row ) throw std :: move ( row ). status (); PrintRow (* row ); } }
See Also
https://cloud.google.com/bigtable/docs/reads#reverse-scan
Type Aliases
Type
Alias Of : bool
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Last updated 2025-02-14 UTC.
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